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1375 lines
56 KiB
1375 lines
56 KiB
/*
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* Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*/
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package com.sun.org.apache.xerces.internal.impl;
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import com.sun.org.apache.xerces.internal.util.NamespaceContextWrapper;
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import com.sun.org.apache.xerces.internal.util.NamespaceSupport;
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import com.sun.org.apache.xerces.internal.util.SymbolTable;
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import com.sun.org.apache.xerces.internal.util.XMLAttributesImpl;
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import com.sun.org.apache.xerces.internal.util.XMLChar;
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import com.sun.org.apache.xerces.internal.util.XMLStringBuffer;
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import com.sun.org.apache.xerces.internal.xni.XNIException;
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import com.sun.org.apache.xerces.internal.xni.parser.XMLInputSource;
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import com.sun.xml.internal.stream.Entity;
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import com.sun.xml.internal.stream.StaxErrorReporter;
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import com.sun.xml.internal.stream.XMLEntityStorage;
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import com.sun.xml.internal.stream.dtd.nonvalidating.DTDGrammar;
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import com.sun.xml.internal.stream.dtd.nonvalidating.XMLNotationDecl;
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import com.sun.xml.internal.stream.events.EntityDeclarationImpl;
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import com.sun.xml.internal.stream.events.NotationDeclarationImpl;
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import java.io.BufferedInputStream;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.Reader;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.Iterator;
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import java.util.List;
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import javax.xml.XMLConstants;
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import javax.xml.namespace.NamespaceContext;
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import javax.xml.namespace.QName;
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import javax.xml.stream.Location;
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import javax.xml.stream.XMLInputFactory;
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import javax.xml.stream.XMLStreamConstants;
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import javax.xml.stream.XMLStreamException;
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import javax.xml.stream.events.XMLEvent;
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/** This class implements javax.xml.stream.XMLStreamReader. It makes use of XML*Scanner classes to
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* derive most of its functionality. If desired, Application can reuse this instance by calling
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* reset() and setInputSource().
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*
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* @author Neeraj Bajaj Sun Microsystems,Inc.
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* @author K.Venugopal Sun Microsystems,Inc.
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* @author Sunitha Reddy Sun Microsystems,Inc.
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*/
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public class XMLStreamReaderImpl implements javax.xml.stream.XMLStreamReader {
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/** Property identifier: entity manager. */
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protected static final String ENTITY_MANAGER =
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Constants.XERCES_PROPERTY_PREFIX + Constants.ENTITY_MANAGER_PROPERTY;
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/** Property identifier: Error Reporter. */
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protected static final String ERROR_REPORTER =
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Constants.XERCES_PROPERTY_PREFIX + Constants.ERROR_REPORTER_PROPERTY;
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/** Property identifier: Symbol table. */
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protected static final String SYMBOL_TABLE =
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Constants.XERCES_PROPERTY_PREFIX + Constants.SYMBOL_TABLE_PROPERTY;
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protected static final String READER_IN_DEFINED_STATE =
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Constants.READER_IN_DEFINED_STATE;
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private SymbolTable fSymbolTable = new SymbolTable();
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/** Document scanner. */
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protected XMLDocumentScannerImpl fScanner = new XMLNSDocumentScannerImpl();
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//make Global NamespaceContextWrapper object, fScanner.getNamespaceContext() is dynamic object and ita value changes
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//as per the state of the parser.
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protected NamespaceContextWrapper fNamespaceContextWrapper = new NamespaceContextWrapper((NamespaceSupport)fScanner.getNamespaceContext()) ;
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protected XMLEntityManager fEntityManager = new XMLEntityManager();
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protected StaxErrorReporter fErrorReporter = new StaxErrorReporter();
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/** Entity scanner, this alwasy works on last entity that was opened. */
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protected XMLEntityScanner fEntityScanner = null;
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/** Input Source */
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protected XMLInputSource fInputSource = null;
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/** Store properties*/
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protected PropertyManager fPropertyManager = null ;
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/** current event type */
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private int fEventType ;
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/** debug flag*/
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static final boolean DEBUG = false ;
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/** more to scan */
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private boolean fReuse = true;
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private boolean fReaderInDefinedState = true ;
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private boolean fBindNamespaces = true;
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private String fDTDDecl = null;
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private String versionStr = null;
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/**
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* @param inputStream
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* @param props
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* @throws XMLStreamException
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*/
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public XMLStreamReaderImpl(InputStream inputStream, PropertyManager props) throws XMLStreamException {
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init(props);
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//publicId, systemid, baseSystemId, inputStream, enocding
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XMLInputSource inputSource = new XMLInputSource(null,null,null,inputStream,null);
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//pass the input source to document scanner impl.
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setInputSource(inputSource);
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}
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public XMLDocumentScannerImpl getScanner(){
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System.out.println("returning scanner");
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return fScanner;
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}
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/**
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* @param systemid
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* @param props
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* @throws XMLStreamException
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*/
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public XMLStreamReaderImpl(String systemid, PropertyManager props) throws XMLStreamException {
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init(props);
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//publicId, systemid, baseSystemId, inputStream, enocding
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XMLInputSource inputSource = new XMLInputSource(null,systemid,null);
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//pass the input source to document scanner impl.
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setInputSource(inputSource);
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}
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/**
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* @param inputStream
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* @param encoding
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* @param props
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* @throws XMLStreamException
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*/
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public XMLStreamReaderImpl(InputStream inputStream, String encoding, PropertyManager props ) throws XMLStreamException {
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init(props);
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//publicId, systemid, baseSystemId, inputStream, enocding
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XMLInputSource inputSource = new XMLInputSource(null,null,null, new BufferedInputStream(inputStream),encoding );
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//pass the input source to document scanner impl.
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setInputSource(inputSource);
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}
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/**
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* @param reader
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* @param props
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* @throws XMLStreamException
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*/
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public XMLStreamReaderImpl(Reader reader, PropertyManager props) throws XMLStreamException {
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init(props);
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//publicId, systemid, baseSystemId, inputStream, enocding
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//xxx: Using buffered reader
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XMLInputSource inputSource = new XMLInputSource(null,null,null,new BufferedReader(reader),null);
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//pass the input source to document scanner impl.
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setInputSource(inputSource);
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}
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/**
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* @param inputSource
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* @param props
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* @throws XMLStreamException
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*/
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public XMLStreamReaderImpl(XMLInputSource inputSource, PropertyManager props) throws XMLStreamException {
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init(props);
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//pass the input source to document scanner impl.
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setInputSource(inputSource);
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}
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/**
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* @param inputSource
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* @throws XMLStreamException
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*/
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public void setInputSource(XMLInputSource inputSource ) throws XMLStreamException {
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//once setInputSource() is called this instance is busy parsing the inputsource supplied
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//this instances is free for reuse if parser has reached END_DOCUMENT state or application has
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//called close()
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fReuse = false;
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try{
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fScanner.setInputSource(inputSource) ;
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//XMLStreamReader should be in defined state
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if(fReaderInDefinedState){
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fEventType = fScanner.next();
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if (versionStr == null)
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versionStr = getVersion();
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if (fEventType == XMLStreamConstants.START_DOCUMENT && versionStr != null && versionStr.equals("1.1")){
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switchToXML11Scanner();
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}
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}
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}catch(java.io.IOException ex){
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throw new XMLStreamException(ex);
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} catch(XNIException ex){ //Issue 56 XNIException not caught
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throw new XMLStreamException(ex.getMessage(), getLocation(), ex.getException());
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}
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}//setInputSource
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void init(PropertyManager propertyManager) throws XMLStreamException {
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fPropertyManager = propertyManager;
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//set Stax internal properties -- Note that these instances are being created in XMLReaderImpl.
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//1.SymbolTable
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//2.XMLMessageFormatter
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//3.XMLEntityManager
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//4. call reset()
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//1.
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propertyManager.setProperty(SYMBOL_TABLE, fSymbolTable ) ;
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//2.
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propertyManager.setProperty(ERROR_REPORTER, fErrorReporter ) ;
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//3.
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propertyManager.setProperty(ENTITY_MANAGER, fEntityManager);
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//4.
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reset();
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}
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/** This function tells if this instances is available for reuse.
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* One must call reset() and setInputSource() to be able to reuse
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* this instance.
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*/
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public boolean canReuse(){
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if(DEBUG){
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System.out.println("fReuse = " + fReuse);
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System.out.println("fEventType = " + getEventTypeString(fEventType) );
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}
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//when parsing begins, fReuse is set to false
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//fReuse is set to 'true' when application calls close()
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return fReuse;
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}
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/**
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* Resets this instance so that this instance is ready for reuse.
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*/
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public void reset(){
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fReuse = true;
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fEventType = 0 ;
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//reset entity manager
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fEntityManager.reset(fPropertyManager);
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//reset the scanner
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fScanner.reset(fPropertyManager);
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//REVISIT:this is too ugly -- we are getting XMLEntityManager and XMLEntityReader from
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//property manager, it should be only XMLEntityManager
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fDTDDecl = null;
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fEntityScanner = (XMLEntityScanner)fEntityManager.getEntityScanner() ;
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//default value for this property is true. However, this should be false when using XMLEventReader... Ugh..
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//because XMLEventReader should not have defined state.
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fReaderInDefinedState = ((Boolean)fPropertyManager.getProperty(READER_IN_DEFINED_STATE)).booleanValue();
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fBindNamespaces = ((Boolean)fPropertyManager.getProperty(XMLInputFactory.IS_NAMESPACE_AWARE)).booleanValue();
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versionStr = null;
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}
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/** Frees any resources associated with this Reader. This method does not close the underlying input source.
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* @throws XMLStreamException if there are errors freeing associated resources
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*/
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public void close() throws XMLStreamException {
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//xxx: Check what this function is intended to do.
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//reset();
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fReuse = true ;
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}
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/** Returns the character encoding declared on the xml declaration Returns null if none was declared
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* @return the encoding declared in the document or null
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*/
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public String getCharacterEncodingScheme() {
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return fScanner.getCharacterEncodingScheme();
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}
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/**
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* @return
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*/
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public int getColumnNumber() {
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return fEntityScanner.getColumnNumber();
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}//getColumnNumber
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/** Return input encoding if known or null if unknown.
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* @return the encoding of this instance or null
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*/
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public String getEncoding() {
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return fEntityScanner.getEncoding();
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}//getEncoding
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/** Returns the current value of the parse event as a string, this returns the string value of a CHARACTERS event, returns the value of a COMMENT, the replacement value for an ENTITY_REFERENCE, the string value of a CDATA section, the string value for a SPACE event, or the String value of the internal subset of the DTD. If an ENTITY_REFERENCE has been resolved, any character data will be reported as CHARACTERS events.
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* @return the current text or null
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*/
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public int getEventType() {
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return fEventType ;
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}//getEventType
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/**
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* @return
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*/
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public int getLineNumber() {
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return fEntityScanner.getLineNumber() ;
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}//getLineNumber
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public String getLocalName() {
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if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT){
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//xxx check whats the value of fCurrentElement
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return fScanner.getElementQName().localpart ;
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}
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else if(fEventType == XMLEvent.ENTITY_REFERENCE){
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return fScanner.getEntityName();
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}
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throw new IllegalStateException("Method getLocalName() cannot be called for " +
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getEventTypeString(fEventType) + " event.");
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}//getLocalName()
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/**
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* @return
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*/
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public String getNamespaceURI() {
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//doesn't take care of Attribute as separte event
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if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT){
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return fScanner.getElementQName().uri ;
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}
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return null ;
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}//getNamespaceURI
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/** Get the data section of a processing instruction
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* @return the data or null
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*/
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public String getPIData() {
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if( fEventType == XMLEvent.PROCESSING_INSTRUCTION){
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return fScanner.getPIData().toString();
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}
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else throw new java.lang.IllegalStateException("Current state of the parser is " + getEventTypeString(fEventType) +
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" But Expected state is " + XMLEvent.PROCESSING_INSTRUCTION ) ;
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}//getPIData
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/** Get the target of a processing instruction
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* @return the target or null
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*/
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public String getPITarget() {
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if( fEventType == XMLEvent.PROCESSING_INSTRUCTION){
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return fScanner.getPITarget();
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}
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else throw new java.lang.IllegalStateException("Current state of the parser is " + getEventTypeString(fEventType) +
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" But Expected state is " + XMLEvent.PROCESSING_INSTRUCTION ) ;
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}//getPITarget
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/**
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* @return the prefix of the current event, or null if the event does
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* not have a prefix. For START_ELEMENT and END_ELEMENT, return
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* XMLConstants.DEFAULT_NS_PREFIX when no prefix is available.
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*/
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public String getPrefix() {
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if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT){
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String prefix = fScanner.getElementQName().prefix;
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return prefix == null ? XMLConstants.DEFAULT_NS_PREFIX : prefix;
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}
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return null ;
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}//getPrefix()
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/**
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* @return
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*/
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public char[] getTextCharacters() {
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if( fEventType == XMLEvent.CHARACTERS || fEventType == XMLEvent.COMMENT
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|| fEventType == XMLEvent.CDATA || fEventType == XMLEvent.SPACE){
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return fScanner.getCharacterData().ch;
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} else{
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throw new IllegalStateException("Current state = " + getEventTypeString(fEventType)
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+ " is not among the states " + getEventTypeString(XMLEvent.CHARACTERS) + " , "
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+ getEventTypeString(XMLEvent.COMMENT) + " , " + getEventTypeString(XMLEvent.CDATA)
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+ " , " + getEventTypeString(XMLEvent.SPACE) +" valid for getTextCharacters() " ) ;
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}
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}
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/**
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* @return
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*/
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public int getTextLength() {
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if( fEventType == XMLEvent.CHARACTERS || fEventType == XMLEvent.COMMENT
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|| fEventType == XMLEvent.CDATA || fEventType == XMLEvent.SPACE){
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return fScanner.getCharacterData().length;
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} else{
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throw new IllegalStateException("Current state = " + getEventTypeString(fEventType)
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+ " is not among the states " + getEventTypeString(XMLEvent.CHARACTERS) + " , "
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+ getEventTypeString(XMLEvent.COMMENT) + " , " + getEventTypeString(XMLEvent.CDATA)
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+ " , " + getEventTypeString(XMLEvent.SPACE) +" valid for getTextLength() " ) ;
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}
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}
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/**
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* @return
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*/
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public int getTextStart() {
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if( fEventType == XMLEvent.CHARACTERS || fEventType == XMLEvent.COMMENT || fEventType == XMLEvent.CDATA || fEventType == XMLEvent.SPACE){
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return fScanner.getCharacterData().offset;
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} else{
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throw new IllegalStateException("Current state = " + getEventTypeString(fEventType)
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+ " is not among the states " + getEventTypeString(XMLEvent.CHARACTERS) + " , "
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+ getEventTypeString(XMLEvent.COMMENT) + " , " + getEventTypeString(XMLEvent.CDATA)
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+ " , " + getEventTypeString(XMLEvent.SPACE) +" valid for getTextStart() " ) ;
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}
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}
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/**
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* @return
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*/
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public String getValue() {
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if(fEventType == XMLEvent.PROCESSING_INSTRUCTION){
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return fScanner.getPIData().toString();
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} else if(fEventType == XMLEvent.COMMENT){
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return fScanner.getComment();
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} else if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT){
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return fScanner.getElementQName().localpart ;
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} else if(fEventType == XMLEvent.CHARACTERS){
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return fScanner.getCharacterData().toString();
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}
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return null;
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}//getValue()
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/** Get the XML language version of the current document being parsed */
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public String getVersion() {
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//apply SAP's patch: the default version in the scanner was set to 1.0 because of DOM and SAX
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//so this patch is a workaround of the difference between StAX and DOM
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// SAPJVM: Return null if the XML version has not been declared (as specified in the JavaDoc).
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String version = fEntityScanner.getXMLVersion();
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return "1.0".equals(version) && !fEntityScanner.xmlVersionSetExplicitly ? null : version;
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}
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/**
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* @return
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*/
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public boolean hasAttributes() {
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return fScanner.getAttributeIterator().getLength() > 0 ? true : false ;
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}
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/** this Funtion returns true if the current event has name */
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public boolean hasName() {
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if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT) {
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return true;
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} else {
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return false;
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}
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}//hasName()
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/**
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* @throws XMLStreamException
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* @return
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*/
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public boolean hasNext() throws XMLStreamException {
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//the scanner returns -1 when it detects a broken stream
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if (fEventType == -1) return false;
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//we can check in scanners if the scanner state is not set to
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//terminating, we still have more events.
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return fEventType != XMLEvent.END_DOCUMENT;
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}
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/**
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* @return
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*/
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public boolean hasValue() {
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if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT
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|| fEventType == XMLEvent.ENTITY_REFERENCE || fEventType == XMLEvent.PROCESSING_INSTRUCTION
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|| fEventType == XMLEvent.COMMENT || fEventType == XMLEvent.CHARACTERS) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* @return
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*/
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public boolean isEndElement() {
|
|
return fEventType == XMLEvent.END_ELEMENT;
|
|
}
|
|
|
|
/**
|
|
* @return
|
|
*/
|
|
public boolean isStandalone() {
|
|
return fScanner.isStandAlone();
|
|
}
|
|
|
|
/**
|
|
* @return
|
|
*/
|
|
public boolean isStartElement() {
|
|
return fEventType == XMLEvent.START_ELEMENT;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the cursor points to a character data event that consists of all whitespace
|
|
* Application calling this method needs to cache the value and avoid calling this method again
|
|
* for the same event.
|
|
* @return
|
|
*/
|
|
public boolean isWhiteSpace() {
|
|
if(isCharacters() || (fEventType == XMLStreamConstants.CDATA)){
|
|
char [] ch = this.getTextCharacters();
|
|
final int start = this.getTextStart();
|
|
final int end = start + this.getTextLength();
|
|
for (int i = start; i < end; i++){
|
|
if(!XMLChar.isSpace(ch[i])){
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* @throws XMLStreamException
|
|
* @return
|
|
*/
|
|
public int next() throws XMLStreamException {
|
|
if( !hasNext() ) {
|
|
if (fEventType != -1) {
|
|
throw new java.util.NoSuchElementException( "END_DOCUMENT reached: no more elements on the stream." );
|
|
} else {
|
|
throw new XMLStreamException( "Error processing input source. The input stream is not complete." );
|
|
}
|
|
}
|
|
try {
|
|
fEventType = fScanner.next();
|
|
|
|
if (versionStr == null) {
|
|
versionStr = getVersion();
|
|
}
|
|
|
|
if (fEventType == XMLStreamConstants.START_DOCUMENT
|
|
&& versionStr != null
|
|
&& versionStr.equals("1.1")) {
|
|
switchToXML11Scanner();
|
|
}
|
|
|
|
if (fEventType == XMLStreamConstants.CHARACTERS ||
|
|
fEventType == XMLStreamConstants.ENTITY_REFERENCE ||
|
|
fEventType == XMLStreamConstants.PROCESSING_INSTRUCTION ||
|
|
fEventType == XMLStreamConstants.COMMENT ||
|
|
fEventType == XMLStreamConstants.CDATA) {
|
|
fEntityScanner.checkNodeCount(fEntityScanner.fCurrentEntity);
|
|
}
|
|
|
|
return fEventType;
|
|
} catch (IOException ex) {
|
|
// if this error occured trying to resolve the external DTD subset
|
|
// and IS_VALIDATING == false, then this is not an XML error
|
|
if (fScanner.fScannerState == fScanner.SCANNER_STATE_DTD_EXTERNAL) {
|
|
Boolean isValidating = (Boolean) fPropertyManager.getProperty(
|
|
XMLInputFactory.IS_VALIDATING);
|
|
if (isValidating != null
|
|
&& !isValidating.booleanValue()) {
|
|
// ignore the error, set scanner to known state
|
|
fEventType = XMLEvent.DTD;
|
|
fScanner.setScannerState(fScanner.SCANNER_STATE_PROLOG);
|
|
fScanner.setDriver(fScanner.fPrologDriver);
|
|
if (fDTDDecl == null
|
|
|| fDTDDecl.length() == 0) {
|
|
fDTDDecl = "<!-- "
|
|
+ "Exception scanning External DTD Subset. "
|
|
+ "True contents of DTD cannot be determined. "
|
|
+ "Processing will continue as XMLInputFactory.IS_VALIDATING == false."
|
|
+ " -->";
|
|
}
|
|
return XMLEvent.DTD;
|
|
}
|
|
}
|
|
|
|
// else real error
|
|
throw new XMLStreamException(ex.getMessage(), getLocation(), ex);
|
|
} catch (XNIException ex) {
|
|
throw new XMLStreamException(
|
|
ex.getMessage(),
|
|
getLocation(),
|
|
ex.getException());
|
|
}
|
|
} //next()
|
|
|
|
private void switchToXML11Scanner() throws IOException{
|
|
|
|
int oldEntityDepth = fScanner.fEntityDepth;
|
|
com.sun.org.apache.xerces.internal.xni.NamespaceContext oldNamespaceContext = fScanner.fNamespaceContext;
|
|
|
|
fScanner = new XML11NSDocumentScannerImpl();
|
|
|
|
//get the new scanner state to old scanner's previous state
|
|
fScanner.reset(fPropertyManager);
|
|
fScanner.setPropertyManager(fPropertyManager);
|
|
fEntityScanner = (XMLEntityScanner)fEntityManager.getEntityScanner() ;
|
|
fEntityManager.fCurrentEntity.mayReadChunks = true;
|
|
fScanner.setScannerState(XMLEvent.START_DOCUMENT);
|
|
|
|
fScanner.fEntityDepth = oldEntityDepth;
|
|
fScanner.fNamespaceContext = oldNamespaceContext;
|
|
fEventType = fScanner.next();
|
|
}
|
|
|
|
|
|
|
|
final static String getEventTypeString(int eventType) {
|
|
switch (eventType){
|
|
case XMLEvent.START_ELEMENT:
|
|
return "START_ELEMENT";
|
|
case XMLEvent.END_ELEMENT:
|
|
return "END_ELEMENT";
|
|
case XMLEvent.PROCESSING_INSTRUCTION:
|
|
return "PROCESSING_INSTRUCTION";
|
|
case XMLEvent.CHARACTERS:
|
|
return "CHARACTERS";
|
|
case XMLEvent.COMMENT:
|
|
return "COMMENT";
|
|
case XMLEvent.START_DOCUMENT:
|
|
return "START_DOCUMENT";
|
|
case XMLEvent.END_DOCUMENT:
|
|
return "END_DOCUMENT";
|
|
case XMLEvent.ENTITY_REFERENCE:
|
|
return "ENTITY_REFERENCE";
|
|
case XMLEvent.ATTRIBUTE:
|
|
return "ATTRIBUTE";
|
|
case XMLEvent.DTD:
|
|
return "DTD";
|
|
case XMLEvent.CDATA:
|
|
return "CDATA";
|
|
case XMLEvent.SPACE:
|
|
return "SPACE";
|
|
}
|
|
return "UNKNOWN_EVENT_TYPE, " + String.valueOf(eventType);
|
|
}
|
|
|
|
/** Returns the count of attributes on this START_ELEMENT,
|
|
* this method is only valid on a START_ELEMENT or ATTRIBUTE. This
|
|
* count excludes namespace definitions. Attribute indices are
|
|
* zero-based.
|
|
* @return returns the number of attributes
|
|
* @throws IllegalStateException if this is not a START_ELEMENT or ATTRIBUTE
|
|
*/
|
|
public int getAttributeCount() {
|
|
//xxx: recognize SAX properties namespace, namespace-prefix to get XML Namespace declarations
|
|
//does length includes namespace declarations ?
|
|
|
|
//State should be either START_ELEMENT or ATTRIBUTE
|
|
if( fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.ATTRIBUTE) {
|
|
return fScanner.getAttributeIterator().getLength() ;
|
|
} else{
|
|
throw new java.lang.IllegalStateException( "Current state is not among the states "
|
|
+ getEventTypeString(XMLEvent.START_ELEMENT) + " , "
|
|
+ getEventTypeString(XMLEvent.ATTRIBUTE)
|
|
+ "valid for getAttributeCount()") ;
|
|
}
|
|
}//getAttributeCount
|
|
|
|
/** Returns the localName of the attribute at the provided
|
|
* index
|
|
* @param index the position of the attribute
|
|
* @return the localName of the attribute
|
|
* @throws IllegalStateException if this is not a START_ELEMENT or ATTRIBUTE
|
|
*/
|
|
public QName getAttributeName(int index) {
|
|
//State should be either START_ELEMENT or ATTRIBUTE
|
|
if( fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.ATTRIBUTE) {
|
|
return convertXNIQNametoJavaxQName(fScanner.getAttributeIterator().getQualifiedName(index)) ;
|
|
} else{
|
|
throw new java.lang.IllegalStateException("Current state is not among the states "
|
|
+ getEventTypeString(XMLEvent.START_ELEMENT) + " , "
|
|
+ getEventTypeString(XMLEvent.ATTRIBUTE)
|
|
+ "valid for getAttributeName()") ;
|
|
}
|
|
}//getAttributeName
|
|
|
|
/**
|
|
* @param index
|
|
* @return
|
|
*/
|
|
public String getAttributeLocalName(int index) {
|
|
//State should be either START_ELEMENT or ATTRIBUTE
|
|
if( fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.ATTRIBUTE) {
|
|
return fScanner.getAttributeIterator().getLocalName(index) ;
|
|
} else{
|
|
throw new java.lang.IllegalStateException() ;
|
|
}
|
|
}//getAttributeName
|
|
|
|
/** Returns the namespace of the attribute at the provided
|
|
* index
|
|
* @param index the position of the attribute
|
|
* @return the namespace URI (can be null)
|
|
* @throws IllegalStateException if this is not a START_ELEMENT or ATTRIBUTE
|
|
*/
|
|
public String getAttributeNamespace(int index) {
|
|
//State should be either START_ELEMENT or ATTRIBUTE
|
|
if( fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.ATTRIBUTE) {
|
|
return fScanner.getAttributeIterator().getURI(index);
|
|
} else{
|
|
throw new java.lang.IllegalStateException("Current state is not among the states "
|
|
+ getEventTypeString(XMLEvent.START_ELEMENT) + " , "
|
|
+ getEventTypeString(XMLEvent.ATTRIBUTE)
|
|
+ "valid for getAttributeNamespace()") ;
|
|
}
|
|
|
|
}//getAttributeNamespace
|
|
|
|
/** Returns the prefix of this attribute at the
|
|
* provided index
|
|
* @param index the position of the attribute
|
|
* @return the prefix of the attribute
|
|
* @throws IllegalStateException if this is not a START_ELEMENT or ATTRIBUTE
|
|
*/
|
|
public String getAttributePrefix(int index) {
|
|
//State should be either START_ELEMENT or ATTRIBUTE
|
|
if( fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.ATTRIBUTE) {
|
|
return fScanner.getAttributeIterator().getPrefix(index);
|
|
} else{
|
|
throw new java.lang.IllegalStateException("Current state is not among the states "
|
|
+ getEventTypeString(XMLEvent.START_ELEMENT) + " , "
|
|
+ getEventTypeString(XMLEvent.ATTRIBUTE)
|
|
+ "valid for getAttributePrefix()") ;
|
|
}
|
|
}//getAttributePrefix
|
|
|
|
/** Returns the qname of the attribute at the provided index
|
|
*
|
|
* @param index the position of the attribute
|
|
* @return the QName of the attribute
|
|
* @throws IllegalStateException if this is not a START_ELEMENT or ATTRIBUTE
|
|
*/
|
|
public javax.xml.namespace.QName getAttributeQName(int index) {
|
|
//State should be either START_ELEMENT or ATTRIBUTE
|
|
if( fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.ATTRIBUTE) {
|
|
// create new object at runtime..
|
|
String localName = fScanner.getAttributeIterator().getLocalName(index) ;
|
|
String uri = fScanner.getAttributeIterator().getURI(index) ;
|
|
return new javax.xml.namespace.QName(uri, localName) ;
|
|
} else{
|
|
throw new java.lang.IllegalStateException("Current state is not among the states "
|
|
+ getEventTypeString(XMLEvent.START_ELEMENT) + " , "
|
|
+ getEventTypeString(XMLEvent.ATTRIBUTE)
|
|
+ "valid for getAttributeQName()") ;
|
|
}
|
|
}//getAttributeQName
|
|
|
|
/** Returns the XML type of the attribute at the provided
|
|
* index
|
|
* @param index the position of the attribute
|
|
* @return the XML type of the attribute
|
|
* @throws IllegalStateException if this is not a START_ELEMENT or ATTRIBUTE
|
|
*/
|
|
public String getAttributeType(int index) {
|
|
//State should be either START_ELEMENT or ATTRIBUTE
|
|
if( fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.ATTRIBUTE) {
|
|
return fScanner.getAttributeIterator().getType(index) ;
|
|
} else{
|
|
throw new java.lang.IllegalStateException("Current state is not among the states "
|
|
+ getEventTypeString(XMLEvent.START_ELEMENT) + " , "
|
|
+ getEventTypeString(XMLEvent.ATTRIBUTE)
|
|
+ "valid for getAttributeType()") ;
|
|
}
|
|
|
|
}//getAttributeType
|
|
|
|
/** Returns the value of the attribute at the
|
|
* index
|
|
* @param index the position of the attribute
|
|
* @return the attribute value
|
|
* @throws IllegalStateException if this is not a START_ELEMENT or ATTRIBUTE
|
|
*/
|
|
public String getAttributeValue(int index) {
|
|
//State should be either START_ELEMENT or ATTRIBUTE
|
|
if( fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.ATTRIBUTE) {
|
|
return fScanner.getAttributeIterator().getValue(index) ;
|
|
} else{
|
|
throw new java.lang.IllegalStateException("Current state is not among the states "
|
|
+ getEventTypeString(XMLEvent.START_ELEMENT) + " , "
|
|
+ getEventTypeString(XMLEvent.ATTRIBUTE)
|
|
+ "valid for getAttributeValue()") ;
|
|
}
|
|
|
|
}//getAttributeValue
|
|
|
|
/**
|
|
* @param namespaceURI
|
|
* @param localName
|
|
* @return
|
|
*/
|
|
public String getAttributeValue(String namespaceURI, String localName) {
|
|
//State should be either START_ELEMENT or ATTRIBUTE
|
|
if( fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.ATTRIBUTE) {
|
|
XMLAttributesImpl attributes = fScanner.getAttributeIterator();
|
|
if (namespaceURI == null) { //sjsxp issue 70
|
|
return attributes.getValue(attributes.getIndexByLocalName(localName)) ;
|
|
} else {
|
|
return fScanner.getAttributeIterator().getValue(
|
|
namespaceURI.length() == 0 ? null : namespaceURI, localName) ;
|
|
}
|
|
|
|
} else{
|
|
throw new java.lang.IllegalStateException("Current state is not among the states "
|
|
+ getEventTypeString(XMLEvent.START_ELEMENT) + " , "
|
|
+ getEventTypeString(XMLEvent.ATTRIBUTE)
|
|
+ "valid for getAttributeValue()") ;
|
|
}
|
|
|
|
}
|
|
|
|
/** Reads the content of a text-only element. Precondition:
|
|
* the current event is START_ELEMENT. Postcondition:
|
|
* The current event is the corresponding END_ELEMENT.
|
|
* @throws XMLStreamException if the current event is not a START_ELEMENT or if
|
|
* a non text element is encountered
|
|
*/
|
|
public String getElementText() throws XMLStreamException {
|
|
|
|
if(getEventType() != XMLStreamConstants.START_ELEMENT) {
|
|
throw new XMLStreamException(
|
|
"parser must be on START_ELEMENT to read next text", getLocation());
|
|
}
|
|
int eventType = next();
|
|
StringBuffer content = new StringBuffer();
|
|
while(eventType != XMLStreamConstants.END_ELEMENT ) {
|
|
if(eventType == XMLStreamConstants.CHARACTERS
|
|
|| eventType == XMLStreamConstants.CDATA
|
|
|| eventType == XMLStreamConstants.SPACE
|
|
|| eventType == XMLStreamConstants.ENTITY_REFERENCE) {
|
|
content.append(getText());
|
|
} else if(eventType == XMLStreamConstants.PROCESSING_INSTRUCTION
|
|
|| eventType == XMLStreamConstants.COMMENT) {
|
|
// skipping
|
|
} else if(eventType == XMLStreamConstants.END_DOCUMENT) {
|
|
throw new XMLStreamException("unexpected end of document when reading element text content");
|
|
} else if(eventType == XMLStreamConstants.START_ELEMENT) {
|
|
throw new XMLStreamException(
|
|
"elementGetText() function expects text only elment but START_ELEMENT was encountered.", getLocation());
|
|
} else {
|
|
throw new XMLStreamException(
|
|
"Unexpected event type "+ eventType, getLocation());
|
|
}
|
|
eventType = next();
|
|
}
|
|
return content.toString();
|
|
}
|
|
|
|
/** Return the current location of the processor.
|
|
* If the Location is unknown the processor should return
|
|
* an implementation of Location that returns -1 for the
|
|
* location and null for the publicId and systemId.
|
|
* The location information is only valid until next() is
|
|
* called.
|
|
*/
|
|
public Location getLocation() {
|
|
return new Location() {
|
|
String _systemId = fEntityScanner.getExpandedSystemId();
|
|
String _publicId = fEntityScanner.getPublicId();
|
|
int _offset = fEntityScanner.getCharacterOffset();
|
|
int _columnNumber = fEntityScanner.getColumnNumber();
|
|
int _lineNumber = fEntityScanner.getLineNumber();
|
|
public String getLocationURI(){
|
|
return _systemId;
|
|
}
|
|
|
|
public int getCharacterOffset(){
|
|
return _offset;
|
|
}
|
|
|
|
public int getColumnNumber() {
|
|
return _columnNumber;
|
|
}
|
|
|
|
public int getLineNumber(){
|
|
return _lineNumber;
|
|
}
|
|
|
|
public String getPublicId(){
|
|
return _publicId;
|
|
}
|
|
|
|
public String getSystemId(){
|
|
return _systemId;
|
|
}
|
|
|
|
public String toString(){
|
|
StringBuffer sbuffer = new StringBuffer() ;
|
|
sbuffer.append("Line number = " + getLineNumber());
|
|
sbuffer.append("\n") ;
|
|
sbuffer.append("Column number = " + getColumnNumber());
|
|
sbuffer.append("\n") ;
|
|
sbuffer.append("System Id = " + getSystemId());
|
|
sbuffer.append("\n") ;
|
|
sbuffer.append("Public Id = " + getPublicId());
|
|
sbuffer.append("\n") ;
|
|
sbuffer.append("Location Uri= " + getLocationURI());
|
|
sbuffer.append("\n") ;
|
|
sbuffer.append("CharacterOffset = " + getCharacterOffset());
|
|
sbuffer.append("\n") ;
|
|
return sbuffer.toString();
|
|
}
|
|
} ;
|
|
|
|
}
|
|
|
|
/** Returns a QName for the current START_ELEMENT or END_ELEMENT event
|
|
* @return the QName for the current START_ELEMENT or END_ELEMENT event
|
|
*/
|
|
public javax.xml.namespace.QName getName() {
|
|
if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT)
|
|
return convertXNIQNametoJavaxQName(fScanner.getElementQName());
|
|
else
|
|
throw new java.lang.IllegalStateException("Illegal to call getName() "+
|
|
"when event type is "+ getEventTypeString(fEventType) + "."
|
|
+ " Valid states are " + getEventTypeString(XMLEvent.START_ELEMENT) + ", "
|
|
+ getEventTypeString(XMLEvent.END_ELEMENT));
|
|
}
|
|
|
|
/** Returns a read only namespace context for the current
|
|
* position. The context is transient and only valid until
|
|
* a call to next() changes the state of the reader.
|
|
* @return return a namespace context
|
|
*/
|
|
public NamespaceContext getNamespaceContext() {
|
|
return fNamespaceContextWrapper ;
|
|
}
|
|
|
|
/** Returns the count of namespaces declared on this START_ELEMENT or END_ELEMENT,
|
|
* this method is only valid on a START_ELEMENT, END_ELEMENT or NAMESPACE. On
|
|
* an END_ELEMENT the count is of the namespaces that are about to go
|
|
* out of scope. This is the equivalent of the information reported
|
|
* by SAX callback for an end element event.
|
|
* @return returns the number of namespace declarations on this specific element
|
|
* @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
|
|
*/
|
|
public int getNamespaceCount() {
|
|
//namespaceContext is dynamic object.
|
|
//REVISIT: check if it specifies all conditions mentioned in the javadoc
|
|
if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
|
|
return fScanner.getNamespaceContext().getDeclaredPrefixCount() ;
|
|
} else{
|
|
throw new IllegalStateException("Current event state is " + getEventTypeString(fEventType)
|
|
+ " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
|
|
+ ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
|
|
+ getEventTypeString(XMLEvent.NAMESPACE)
|
|
+ " valid for getNamespaceCount()." );
|
|
}
|
|
}
|
|
|
|
/** Returns the prefix for the namespace declared at the
|
|
* index. Returns null if this is the default namespace
|
|
* declaration
|
|
*
|
|
* @param index the position of the namespace declaration
|
|
* @return returns the namespace prefix
|
|
* @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
|
|
*/
|
|
public String getNamespacePrefix(int index) {
|
|
if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
|
|
//namespaceContext is dynamic object.
|
|
String prefix = fScanner.getNamespaceContext().getDeclaredPrefixAt(index) ;
|
|
return prefix.equals("") ? null : prefix ;
|
|
}
|
|
else{
|
|
throw new IllegalStateException("Current state " + getEventTypeString(fEventType)
|
|
+ " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
|
|
+ ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
|
|
+ getEventTypeString(XMLEvent.NAMESPACE)
|
|
+ " valid for getNamespacePrefix()." );
|
|
}
|
|
}
|
|
|
|
/** Returns the uri for the namespace declared at the
|
|
* index.
|
|
*
|
|
* @param index the position of the namespace declaration
|
|
* @return returns the namespace uri
|
|
* @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
|
|
*/
|
|
public String getNamespaceURI(int index) {
|
|
if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
|
|
//namespaceContext is dynamic object.
|
|
return fScanner.getNamespaceContext().getURI(fScanner.getNamespaceContext().getDeclaredPrefixAt(index));
|
|
}
|
|
else{
|
|
throw new IllegalStateException("Current state " + getEventTypeString(fEventType)
|
|
+ " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
|
|
+ ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
|
|
+ getEventTypeString(XMLEvent.NAMESPACE)
|
|
+ " valid for getNamespaceURI()." );
|
|
}
|
|
|
|
}
|
|
|
|
/** Get the value of a feature/property from the underlying implementation
|
|
* @param name The name of the property, may not be null
|
|
* @return The value of the property
|
|
* @throws IllegalArgumentException if name is null
|
|
*/
|
|
public Object getProperty(java.lang.String name) throws java.lang.IllegalArgumentException {
|
|
if(name == null) throw new java.lang.IllegalArgumentException() ;
|
|
if (fPropertyManager != null ){
|
|
if(name.equals(fPropertyManager.STAX_NOTATIONS)){
|
|
return getNotationDecls();
|
|
}else if(name.equals(fPropertyManager.STAX_ENTITIES)){
|
|
return getEntityDecls();
|
|
}else
|
|
return fPropertyManager.getProperty(name);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/** Returns the current value of the parse event as a string,
|
|
* this returns the string value of a CHARACTERS event,
|
|
* returns the value of a COMMENT, the replacement value
|
|
* for an ENTITY_REFERENCE,
|
|
* or the String value of the DTD
|
|
* @return the current text or null
|
|
* @throws java.lang.IllegalStateException if this state is not
|
|
* a valid text state.
|
|
*/
|
|
public String getText() {
|
|
if( fEventType == XMLEvent.CHARACTERS || fEventType == XMLEvent.COMMENT
|
|
|| fEventType == XMLEvent.CDATA || fEventType == XMLEvent.SPACE){
|
|
//this requires creation of new string
|
|
//fEventType == XMLEvent.ENTITY_REFERENCE
|
|
return fScanner.getCharacterData().toString() ;
|
|
} else if(fEventType == XMLEvent.ENTITY_REFERENCE){
|
|
String name = fScanner.getEntityName();
|
|
if(name != null){
|
|
if(fScanner.foundBuiltInRefs)
|
|
return fScanner.getCharacterData().toString();
|
|
|
|
XMLEntityStorage entityStore = fEntityManager.getEntityStore();
|
|
Entity en = entityStore.getEntity(name);
|
|
if(en == null)
|
|
return null;
|
|
if(en.isExternal())
|
|
return ((Entity.ExternalEntity)en).entityLocation.getExpandedSystemId();
|
|
else
|
|
return ((Entity.InternalEntity)en).text;
|
|
}else
|
|
return null;
|
|
}
|
|
else if(fEventType == XMLEvent.DTD){
|
|
if(fDTDDecl != null){
|
|
return fDTDDecl;
|
|
}
|
|
XMLStringBuffer tmpBuffer = fScanner.getDTDDecl();
|
|
fDTDDecl = tmpBuffer.toString();
|
|
return fDTDDecl;
|
|
} else{
|
|
throw new IllegalStateException("Current state " + getEventTypeString(fEventType)
|
|
+ " is not among the states" + getEventTypeString(XMLEvent.CHARACTERS) + ", "
|
|
+ getEventTypeString(XMLEvent.COMMENT) + ", "
|
|
+ getEventTypeString(XMLEvent.CDATA) + ", "
|
|
+ getEventTypeString(XMLEvent.SPACE) + ", "
|
|
+ getEventTypeString(XMLEvent.ENTITY_REFERENCE) + ", "
|
|
+ getEventTypeString(XMLEvent.DTD) + " valid for getText() " ) ;
|
|
}
|
|
}//getText
|
|
|
|
|
|
/** Test if the current event is of the given type and if the namespace and name match the current namespace and name of the current event.
|
|
* If the namespaceURI is null it is not checked for equality, if the localName is null it is not checked for equality.
|
|
* @param type the event type
|
|
* @param namespaceURI the uri of the event, may be null
|
|
* @param localName the localName of the event, may be null
|
|
* @throws XMLStreamException if the required values are not matched.
|
|
*/
|
|
public void require(int type, String namespaceURI, String localName) throws XMLStreamException {
|
|
if( type != fEventType)
|
|
throw new XMLStreamException("Event type " + getEventTypeString(type) + " specified did " +
|
|
"not match with current parser event " + getEventTypeString(fEventType));
|
|
if( namespaceURI != null && !namespaceURI.equals(getNamespaceURI()) )
|
|
throw new XMLStreamException("Namespace URI " + namespaceURI +" specified did not match " +
|
|
"with current namespace URI");
|
|
if(localName != null && !localName.equals(getLocalName()))
|
|
throw new XMLStreamException("LocalName " + localName +" specified did not match with " +
|
|
"current local name");
|
|
return;
|
|
}
|
|
|
|
/** Gets the the text associated with a CHARACTERS, SPACE or CDATA event.
|
|
* Text starting a "sourceStart" is copied into "destination" starting at "targetStart".
|
|
* Up to "length" characters are copied. The number of characters actually copied is returned.
|
|
*
|
|
* The "sourceStart" argument must be greater or equal to 0 and less than or equal to
|
|
* the number of characters associated with the event. Usually, one requests text starting at a "sourceStart" of 0.
|
|
* If the number of characters actually copied is less than the "length", then there is no more text.
|
|
* Otherwise, subsequent calls need to be made until all text has been retrieved. For example:
|
|
*
|
|
* <code>
|
|
* int length = 1024;
|
|
* char[] myBuffer = new char[ length ];
|
|
*
|
|
* for ( int sourceStart = 0 ; ; sourceStart += length )
|
|
* {
|
|
* int nCopied = stream.getTextCharacters( sourceStart, myBuffer, 0, length );
|
|
*
|
|
* if (nCopied < length)
|
|
* break;
|
|
* }
|
|
* </code>
|
|
* XMLStreamException may be thrown if there are any XML errors in the underlying source.
|
|
* The "targetStart" argument must be greater than or equal to 0 and less than the length of "target",
|
|
* Length must be greater than 0 and "targetStart + length" must be less than or equal to length of "target".
|
|
*
|
|
* @param sourceStart the index of the first character in the source array to copy
|
|
* @param target the destination array
|
|
* @param targetStart the start offset in the target array
|
|
* @param length the number of characters to copy
|
|
* @return the number of characters actually copied
|
|
* @throws XMLStreamException if the underlying XML source is not well-formed
|
|
* @throws IndexOutOfBoundsException if targetStart < 0 or > than the length of target
|
|
* @throws IndexOutOfBoundwhile(isCharacters()) ;sException if length < 0 or targetStart + length > length of target
|
|
* @throws UnsupportedOperationException if this method is not supported
|
|
* @throws NullPointerException is if target is null
|
|
*/
|
|
public int getTextCharacters(int sourceStart, char[] target, int targetStart, int length) throws XMLStreamException {
|
|
|
|
if(target == null){
|
|
throw new NullPointerException("target char array can't be null") ;
|
|
}
|
|
|
|
if(targetStart < 0 || length < 0 || sourceStart < 0 || targetStart >= target.length ||
|
|
(targetStart + length ) > target.length) {
|
|
throw new IndexOutOfBoundsException();
|
|
}
|
|
|
|
//getTextStart() + sourceStart should not be greater than the lenght of number of characters
|
|
//present
|
|
int copiedLength = 0;
|
|
//int presentDataLen = getTextLength() - (getTextStart()+sourceStart);
|
|
int available = getTextLength() - sourceStart;
|
|
if(available < 0){
|
|
throw new IndexOutOfBoundsException("sourceStart is greater than" +
|
|
"number of characters associated with this event");
|
|
}
|
|
if(available < length){
|
|
copiedLength = available;
|
|
} else{
|
|
copiedLength = length;
|
|
}
|
|
|
|
System.arraycopy(getTextCharacters(), getTextStart() + sourceStart , target, targetStart, copiedLength);
|
|
return copiedLength;
|
|
}
|
|
|
|
/** Return true if the current event has text, false otherwise
|
|
* The following events have text:
|
|
* CHARACTERS,DTD ,ENTITY_REFERENCE, COMMENT
|
|
*/
|
|
public boolean hasText() {
|
|
if(DEBUG) pr("XMLReaderImpl#EVENT TYPE = " + fEventType ) ;
|
|
if( fEventType == XMLEvent.CHARACTERS || fEventType == XMLEvent.COMMENT || fEventType == XMLEvent.CDATA) {
|
|
return fScanner.getCharacterData().length > 0;
|
|
} else if(fEventType == XMLEvent.ENTITY_REFERENCE) {
|
|
String name = fScanner.getEntityName();
|
|
if(name != null){
|
|
if(fScanner.foundBuiltInRefs)
|
|
return true;
|
|
|
|
XMLEntityStorage entityStore = fEntityManager.getEntityStore();
|
|
Entity en = entityStore.getEntity(name);
|
|
if(en == null)
|
|
return false;
|
|
if(en.isExternal()){
|
|
return ((Entity.ExternalEntity)en).entityLocation.getExpandedSystemId() != null;
|
|
} else{
|
|
return ((Entity.InternalEntity)en).text != null ;
|
|
}
|
|
}else
|
|
return false;
|
|
} else {
|
|
if(fEventType == XMLEvent.DTD)
|
|
return fScanner.fSeenDoctypeDecl;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/** Returns a boolean which indicates if this
|
|
* attribute was created by default
|
|
* @param index the position of the attribute
|
|
* @return true if this is a default attribute
|
|
* @throws IllegalStateException if this is not a START_ELEMENT or ATTRIBUTE
|
|
*/
|
|
public boolean isAttributeSpecified(int index) {
|
|
//check that current state should be either START_ELEMENT or ATTRIBUTE
|
|
if( (fEventType == XMLEvent.START_ELEMENT) || (fEventType == XMLEvent.ATTRIBUTE)){
|
|
return fScanner.getAttributeIterator().isSpecified(index) ;
|
|
} else{
|
|
throw new IllegalStateException("Current state is not among the states "
|
|
+ getEventTypeString(XMLEvent.START_ELEMENT) + " , "
|
|
+ getEventTypeString(XMLEvent.ATTRIBUTE)
|
|
+ "valid for isAttributeSpecified()") ;
|
|
}
|
|
}
|
|
|
|
/** Returns true if the cursor points to a character data event
|
|
* @return true if the cursor points to character data, false otherwise
|
|
*/
|
|
public boolean isCharacters() {
|
|
return fEventType == XMLEvent.CHARACTERS ;
|
|
}
|
|
|
|
/** Skips any insignificant events (COMMENT and PROCESSING_INSTRUCTION)
|
|
* until a START_ELEMENT or
|
|
* END_ELEMENT is reached. If other than space characters are
|
|
* encountered, an exception is thrown. This method should
|
|
* be used when processing element-only content because
|
|
* the parser is not able to recognize ignorable whitespace if
|
|
* then DTD is missing or not interpreted.
|
|
* @return the event type of the element read
|
|
* @throws XMLStreamException if the current event is not white space
|
|
*/
|
|
public int nextTag() throws XMLStreamException {
|
|
|
|
int eventType = next();
|
|
while((eventType == XMLStreamConstants.CHARACTERS && isWhiteSpace()) // skip whitespace
|
|
|| (eventType == XMLStreamConstants.CDATA && isWhiteSpace())
|
|
// skip whitespace
|
|
|| eventType == XMLStreamConstants.SPACE
|
|
|| eventType == XMLStreamConstants.PROCESSING_INSTRUCTION
|
|
|| eventType == XMLStreamConstants.COMMENT
|
|
) {
|
|
eventType = next();
|
|
}
|
|
|
|
if (eventType != XMLStreamConstants.START_ELEMENT && eventType != XMLStreamConstants.END_ELEMENT) {
|
|
throw new XMLStreamException(
|
|
"found: " + getEventTypeString(eventType)
|
|
+ ", expected " + getEventTypeString(XMLStreamConstants.START_ELEMENT)
|
|
+ " or " + getEventTypeString(XMLStreamConstants.END_ELEMENT),
|
|
getLocation());
|
|
}
|
|
|
|
return eventType;
|
|
}
|
|
|
|
/** Checks if standalone was set in the document
|
|
* @return true if standalone was set in the document, or false otherwise
|
|
*/
|
|
public boolean standaloneSet() {
|
|
//xxx: it requires if the standalone was set in the document ? This is different that if the document
|
|
// is standalone
|
|
return fScanner.standaloneSet() ;
|
|
}
|
|
|
|
/**
|
|
* @param qname
|
|
* @return
|
|
*/
|
|
public javax.xml.namespace.QName convertXNIQNametoJavaxQName(com.sun.org.apache.xerces.internal.xni.QName qname){
|
|
if (qname == null) return null;
|
|
//xxx: prefix definition ?
|
|
if(qname.prefix == null){
|
|
return new javax.xml.namespace.QName(qname.uri, qname.localpart) ;
|
|
} else{
|
|
return new javax.xml.namespace.QName(qname.uri, qname.localpart, qname.prefix) ;
|
|
}
|
|
}
|
|
|
|
/** Return the uri for the given prefix.
|
|
* The uri returned depends on the current state of the processor.
|
|
*
|
|
* <p><strong>NOTE:</strong>The 'xml' prefix is bound as defined in
|
|
* <a href="http://www.w3.org/TR/REC-xml-names/#ns-using">Namespaces in XML</a>
|
|
* specification to "http://www.w3.org/XML/1998/namespace".
|
|
*
|
|
* <p><strong>NOTE:</strong> The 'xmlns' prefix must be resolved to following namespace
|
|
* <a href="http://www.w3.org/2000/xmlns/">http://www.w3.org/2000/xmlns/</a>
|
|
* @return the uri bound to the given prefix or null if it is not bound
|
|
* @param prefix The prefix to lookup, may not be null
|
|
* @throws IllegalStateException - if the prefix is null
|
|
*/
|
|
public String getNamespaceURI(String prefix) {
|
|
if(prefix == null) throw new java.lang.IllegalArgumentException("prefix cannot be null.") ;
|
|
|
|
//first add the string to symbol table.. since internally identity comparisons are done.
|
|
return fScanner.getNamespaceContext().getURI(fSymbolTable.addSymbol(prefix)) ;
|
|
}
|
|
|
|
//xxx: this function is not being used.
|
|
protected void setPropertyManager(PropertyManager propertyManager){
|
|
fPropertyManager = propertyManager ;
|
|
//REVISIT: we were supplying hashmap ealier
|
|
fScanner.setProperty("stax-properties",propertyManager);
|
|
fScanner.setPropertyManager(propertyManager) ;
|
|
}
|
|
|
|
/**
|
|
* @return returns the reference to property manager.
|
|
*/
|
|
protected PropertyManager getPropertyManager(){
|
|
return fPropertyManager ;
|
|
}
|
|
|
|
static void pr(String str) {
|
|
System.out.println(str) ;
|
|
}
|
|
|
|
protected List getEntityDecls(){
|
|
if(fEventType == XMLStreamConstants.DTD){
|
|
XMLEntityStorage entityStore = fEntityManager.getEntityStore();
|
|
ArrayList list = null;
|
|
if(entityStore.hasEntities()){
|
|
EntityDeclarationImpl decl = null;
|
|
list = new ArrayList(entityStore.getEntitySize());
|
|
Enumeration enu = entityStore.getEntityKeys();
|
|
while(enu.hasMoreElements()){
|
|
String key = (String)enu.nextElement();
|
|
Entity en = (Entity)entityStore.getEntity(key);
|
|
decl = new EntityDeclarationImpl();
|
|
decl.setEntityName(key);
|
|
if(en.isExternal()){
|
|
decl.setXMLResourceIdentifier(((Entity.ExternalEntity)en).entityLocation);
|
|
decl.setNotationName(((Entity.ExternalEntity)en).notation);
|
|
}
|
|
else
|
|
decl.setEntityReplacementText(((Entity.InternalEntity)en).text);
|
|
list.add(decl);
|
|
}
|
|
}
|
|
return list;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
protected List getNotationDecls(){
|
|
if(fEventType == XMLStreamConstants.DTD){
|
|
if(fScanner.fDTDScanner == null) return null;
|
|
DTDGrammar grammar = ((XMLDTDScannerImpl)(fScanner.fDTDScanner)).getGrammar();
|
|
if(grammar == null) return null;
|
|
List notations = grammar.getNotationDecls();
|
|
|
|
Iterator it = notations.iterator();
|
|
ArrayList list = new ArrayList();
|
|
while(it.hasNext()){
|
|
XMLNotationDecl ni = (XMLNotationDecl)it.next();
|
|
if(ni!= null){
|
|
list.add(new NotationDeclarationImpl(ni));
|
|
}
|
|
}
|
|
return list;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
|
|
|
|
}//XMLReaderImpl
|