You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1339 lines
38 KiB
1339 lines
38 KiB
/*
|
|
* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
|
|
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
|
|
*/
|
|
/*
|
|
* Copyright 1999-2004 The Apache Software Foundation.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
/*
|
|
* $Id: ToUnknownStream.java,v 1.3 2005/09/28 13:49:08 pvedula Exp $
|
|
*/
|
|
package com.sun.org.apache.xml.internal.serializer;
|
|
|
|
import java.io.IOException;
|
|
import java.io.OutputStream;
|
|
import java.io.Writer;
|
|
import java.util.Properties;
|
|
import java.util.Vector;
|
|
|
|
import javax.xml.transform.SourceLocator;
|
|
import javax.xml.transform.Transformer;
|
|
|
|
import org.w3c.dom.Node;
|
|
import org.xml.sax.Attributes;
|
|
import org.xml.sax.ContentHandler;
|
|
import org.xml.sax.Locator;
|
|
import org.xml.sax.SAXException;
|
|
|
|
|
|
/**
|
|
*This class wraps another SerializationHandler. The wrapped object will either
|
|
* handler XML or HTML, which is not known until a little later when the first XML
|
|
* tag is seen. If the first tag is <html> then the wrapped object is an HTML
|
|
* handler, otherwise it is an XML handler.
|
|
*
|
|
* This class effectively caches the first few calls to it then passes them
|
|
* on to the wrapped handler (once it exists). After that subsequent calls a
|
|
* simply passed directly to the wrapped handler.
|
|
*
|
|
* The user of this class doesn't know if the output is ultimatley XML or HTML.
|
|
*
|
|
* This class is not a public API, it is public because it is used within Xalan.
|
|
* @xsl.usage internal
|
|
*/
|
|
public final class ToUnknownStream extends SerializerBase
|
|
{
|
|
|
|
/**
|
|
* The wrapped handler, initially XML but possibly switched to HTML
|
|
*/
|
|
private SerializationHandler m_handler;
|
|
|
|
/**
|
|
* A String with no characters
|
|
*/
|
|
private static final String EMPTYSTRING = "";
|
|
|
|
/**
|
|
* true if the underlying handler (XML or HTML) is fully initialized
|
|
*/
|
|
private boolean m_wrapped_handler_not_initialized = false;
|
|
|
|
|
|
/**
|
|
* the prefix of the very first tag in the document
|
|
*/
|
|
private String m_firstElementPrefix;
|
|
/**
|
|
* the element name (including any prefix) of the very first tag in the document
|
|
*/
|
|
private String m_firstElementName;
|
|
|
|
/**
|
|
* the namespace URI associated with the first element
|
|
*/
|
|
private String m_firstElementURI;
|
|
|
|
/**
|
|
* the local name (no prefix) associated with the first element
|
|
*/
|
|
private String m_firstElementLocalName = null;
|
|
|
|
/**
|
|
* true if the first tag has been emitted to the wrapped handler
|
|
*/
|
|
private boolean m_firstTagNotEmitted = true;
|
|
|
|
/**
|
|
* A collection of namespace URI's (only for first element).
|
|
* _namespacePrefix has the matching prefix for these URI's
|
|
*/
|
|
private Vector m_namespaceURI = null;
|
|
/**
|
|
* A collection of namespace Prefix (only for first element)
|
|
* _namespaceURI has the matching URIs for these prefix'
|
|
*/
|
|
private Vector m_namespacePrefix = null;
|
|
|
|
/**
|
|
* true if startDocument() was called before the underlying handler
|
|
* was initialized
|
|
*/
|
|
private boolean m_needToCallStartDocument = false;
|
|
/**
|
|
* true if setVersion() was called before the underlying handler
|
|
* was initialized
|
|
*/
|
|
private boolean m_setVersion_called = false;
|
|
/**
|
|
* true if setDoctypeSystem() was called before the underlying handler
|
|
* was initialized
|
|
*/
|
|
private boolean m_setDoctypeSystem_called = false;
|
|
/**
|
|
* true if setDoctypePublic() was called before the underlying handler
|
|
* was initialized
|
|
*/
|
|
private boolean m_setDoctypePublic_called = false;
|
|
/**
|
|
* true if setMediaType() was called before the underlying handler
|
|
* was initialized
|
|
*/
|
|
private boolean m_setMediaType_called = false;
|
|
|
|
/**
|
|
* Default constructor.
|
|
* Initially this object wraps an XML Stream object, so _handler is never null.
|
|
* That may change later to an HTML Stream object.
|
|
*/
|
|
public ToUnknownStream()
|
|
{
|
|
m_handler = new ToXMLStream();
|
|
}
|
|
|
|
/**
|
|
* @see Serializer#asContentHandler()
|
|
* @return the wrapped XML or HTML handler
|
|
*/
|
|
public ContentHandler asContentHandler() throws IOException
|
|
{
|
|
/* don't return the real handler ( m_handler ) because
|
|
* that would expose the real handler to the outside.
|
|
* Keep m_handler private so it can be internally swapped
|
|
* to an HTML handler.
|
|
*/
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* @see SerializationHandler#close()
|
|
*/
|
|
public void close()
|
|
{
|
|
m_handler.close();
|
|
}
|
|
|
|
/**
|
|
* @see Serializer#getOutputFormat()
|
|
* @return the properties of the underlying handler
|
|
*/
|
|
public Properties getOutputFormat()
|
|
{
|
|
return m_handler.getOutputFormat();
|
|
}
|
|
|
|
/**
|
|
* @see Serializer#getOutputStream()
|
|
* @return the OutputStream of the underlying XML or HTML handler
|
|
*/
|
|
public OutputStream getOutputStream()
|
|
{
|
|
return m_handler.getOutputStream();
|
|
}
|
|
|
|
/**
|
|
* @see Serializer#getWriter()
|
|
* @return the Writer of the underlying XML or HTML handler
|
|
*/
|
|
public Writer getWriter()
|
|
{
|
|
return m_handler.getWriter();
|
|
}
|
|
|
|
/**
|
|
* passes the call on to the underlying HTML or XML handler
|
|
* @see Serializer#reset()
|
|
* @return ???
|
|
*/
|
|
public boolean reset()
|
|
{
|
|
return m_handler.reset();
|
|
}
|
|
|
|
/**
|
|
* Converts the DOM node to output
|
|
* @param node the DOM node to transform to output
|
|
* @see DOMSerializer#serialize(Node)
|
|
*
|
|
*/
|
|
public void serialize(Node node) throws IOException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
m_handler.serialize(node);
|
|
}
|
|
|
|
/**
|
|
* @see SerializationHandler#setEscaping(boolean)
|
|
*/
|
|
public boolean setEscaping(boolean escape) throws SAXException
|
|
{
|
|
return m_handler.setEscaping(escape);
|
|
}
|
|
|
|
/**
|
|
* Set the properties of the handler
|
|
* @param format the output properties to set
|
|
* @see Serializer#setOutputFormat(Properties)
|
|
*/
|
|
public void setOutputFormat(Properties format)
|
|
{
|
|
m_handler.setOutputFormat(format);
|
|
}
|
|
|
|
/**
|
|
* Sets the output stream to write to
|
|
* @param output the OutputStream to write to
|
|
* @see Serializer#setOutputStream(OutputStream)
|
|
*/
|
|
public void setOutputStream(OutputStream output)
|
|
{
|
|
m_handler.setOutputStream(output);
|
|
}
|
|
|
|
/**
|
|
* Sets the writer to write to
|
|
* @param writer the writer to write to
|
|
* @see Serializer#setWriter(Writer)
|
|
*/
|
|
public void setWriter(Writer writer)
|
|
{
|
|
m_handler.setWriter(writer);
|
|
}
|
|
|
|
/**
|
|
* Adds an attribute to the currenly open tag
|
|
* @param uri the URI of a namespace
|
|
* @param localName the attribute name, without prefix
|
|
* @param rawName the attribute name, with prefix (if any)
|
|
* @param type the type of the attribute, typically "CDATA"
|
|
* @param value the value of the parameter
|
|
* @param XSLAttribute true if this attribute is coming from an xsl:attribute element
|
|
* @see ExtendedContentHandler#addAttribute(String, String, String, String, String)
|
|
*/
|
|
public void addAttribute(
|
|
String uri,
|
|
String localName,
|
|
String rawName,
|
|
String type,
|
|
String value)
|
|
throws SAXException
|
|
{
|
|
addAttribute(uri, localName, rawName, type, value, false);
|
|
}
|
|
|
|
/**
|
|
* Adds an attribute to the currenly open tag
|
|
* @param uri the URI of a namespace
|
|
* @param localName the attribute name, without prefix
|
|
* @param rawName the attribute name, with prefix (if any)
|
|
* @param type the type of the attribute, typically "CDATA"
|
|
* @param value the value of the parameter
|
|
* @param XSLAttribute true if this attribute is coming from an xsl:attribute element
|
|
* @see ExtendedContentHandler#addAttribute(String, String, String, String, String)
|
|
*/
|
|
public void addAttribute(
|
|
String uri,
|
|
String localName,
|
|
String rawName,
|
|
String type,
|
|
String value,
|
|
boolean XSLAttribute)
|
|
throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
m_handler.addAttribute(uri, localName, rawName, type, value, XSLAttribute);
|
|
}
|
|
/**
|
|
* Adds an attribute to the currenly open tag
|
|
* @param rawName the attribute name, with prefix (if any)
|
|
* @param value the value of the parameter
|
|
* @see ExtendedContentHandler#addAttribute(String, String)
|
|
*/
|
|
public void addAttribute(String rawName, String value)
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
m_handler.addAttribute(rawName, value);
|
|
|
|
}
|
|
|
|
/**
|
|
* Adds a unique attribute to the currenly open tag
|
|
*/
|
|
public void addUniqueAttribute(String rawName, String value, int flags)
|
|
throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
m_handler.addUniqueAttribute(rawName, value, flags);
|
|
|
|
}
|
|
|
|
/**
|
|
* Converts the String to a character array and calls the SAX method
|
|
* characters(char[],int,int);
|
|
*
|
|
* @see ExtendedContentHandler#characters(String)
|
|
*/
|
|
public void characters(String chars) throws SAXException
|
|
{
|
|
final int length = chars.length();
|
|
if (length > m_charsBuff.length)
|
|
{
|
|
m_charsBuff = new char[length*2 + 1];
|
|
}
|
|
chars.getChars(0, length, m_charsBuff, 0);
|
|
this.characters(m_charsBuff, 0, length);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see ExtendedContentHandler#endElement(String)
|
|
*/
|
|
public void endElement(String elementName) throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
m_handler.endElement(elementName);
|
|
}
|
|
|
|
|
|
/**
|
|
* @see org.xml.sax.ContentHandler#startPrefixMapping(String, String)
|
|
* @param prefix The prefix that maps to the URI
|
|
* @param uri The URI for the namespace
|
|
*/
|
|
public void startPrefixMapping(String prefix, String uri) throws SAXException
|
|
{
|
|
this.startPrefixMapping(prefix,uri, true);
|
|
}
|
|
|
|
/**
|
|
* This method is used when a prefix/uri namespace mapping
|
|
* is indicated after the element was started with a
|
|
* startElement() and before and endElement().
|
|
* startPrefixMapping(prefix,uri) would be used before the
|
|
* startElement() call.
|
|
* @param uri the URI of the namespace
|
|
* @param prefix the prefix associated with the given URI.
|
|
*
|
|
* @see ExtendedContentHandler#namespaceAfterStartElement(String, String)
|
|
*/
|
|
public void namespaceAfterStartElement(String prefix, String uri)
|
|
throws SAXException
|
|
{
|
|
// hack for XSLTC with finding URI for default namespace
|
|
if (m_firstTagNotEmitted && m_firstElementURI == null && m_firstElementName != null)
|
|
{
|
|
String prefix1 = getPrefixPart(m_firstElementName);
|
|
if (prefix1 == null && EMPTYSTRING.equals(prefix))
|
|
{
|
|
// the elements URI is not known yet, and it
|
|
// doesn't have a prefix, and we are currently
|
|
// setting the uri for prefix "", so we have
|
|
// the uri for the element... lets remember it
|
|
m_firstElementURI = uri;
|
|
}
|
|
}
|
|
startPrefixMapping(prefix,uri, false);
|
|
}
|
|
|
|
public boolean startPrefixMapping(String prefix, String uri, boolean shouldFlush)
|
|
throws SAXException
|
|
{
|
|
boolean pushed = false;
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
if (m_firstElementName != null && shouldFlush)
|
|
{
|
|
/* we've already seen a startElement, and this is a prefix mapping
|
|
* for the up coming element, so flush the old element
|
|
* then send this event on its way.
|
|
*/
|
|
flush();
|
|
pushed = m_handler.startPrefixMapping(prefix, uri, shouldFlush);
|
|
}
|
|
else
|
|
{
|
|
if (m_namespacePrefix == null)
|
|
{
|
|
m_namespacePrefix = new Vector();
|
|
m_namespaceURI = new Vector();
|
|
}
|
|
m_namespacePrefix.addElement(prefix);
|
|
m_namespaceURI.addElement(uri);
|
|
|
|
if (m_firstElementURI == null)
|
|
{
|
|
if (prefix.equals(m_firstElementPrefix))
|
|
m_firstElementURI = uri;
|
|
}
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
pushed = m_handler.startPrefixMapping(prefix, uri, shouldFlush);
|
|
}
|
|
return pushed;
|
|
}
|
|
|
|
/**
|
|
* This method cannot be cached because default is different in
|
|
* HTML and XML (we need more than a boolean).
|
|
*/
|
|
|
|
public void setVersion(String version)
|
|
{
|
|
m_handler.setVersion(version);
|
|
|
|
// Cache call to setVersion()
|
|
// super.setVersion(version);
|
|
m_setVersion_called = true;
|
|
}
|
|
|
|
/**
|
|
* @see org.xml.sax.ContentHandler#startDocument()
|
|
*/
|
|
public void startDocument() throws SAXException
|
|
{
|
|
m_needToCallStartDocument = true;
|
|
}
|
|
|
|
|
|
|
|
public void startElement(String qName) throws SAXException
|
|
{
|
|
this.startElement(null, null, qName, null);
|
|
}
|
|
|
|
public void startElement(String namespaceURI, String localName, String qName) throws SAXException
|
|
{
|
|
this.startElement(namespaceURI, localName, qName, null);
|
|
}
|
|
|
|
public void startElement(
|
|
String namespaceURI,
|
|
String localName,
|
|
String elementName,
|
|
Attributes atts) throws SAXException
|
|
{
|
|
|
|
if (m_needToCallSetDocumentInfo){
|
|
super.setDocumentInfo();
|
|
m_needToCallSetDocumentInfo = false;
|
|
}
|
|
|
|
/* we are notified of the start of an element */
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
/* we have not yet sent the first element on its way */
|
|
if (m_firstElementName != null)
|
|
{
|
|
/* this is not the first element, but a later one.
|
|
* But we have the old element pending, so flush it out,
|
|
* then send this one on its way.
|
|
*/
|
|
flush();
|
|
m_handler.startElement(namespaceURI, localName, elementName, atts);
|
|
}
|
|
else
|
|
{
|
|
/* this is the very first element that we have seen,
|
|
* so save it for flushing later. We may yet get to know its
|
|
* URI due to added attributes.
|
|
*/
|
|
|
|
m_wrapped_handler_not_initialized = true;
|
|
m_firstElementName = elementName;
|
|
|
|
// null if not known
|
|
m_firstElementPrefix = getPrefixPartUnknown(elementName);
|
|
|
|
// null if not known
|
|
m_firstElementURI = namespaceURI;
|
|
|
|
// null if not known
|
|
m_firstElementLocalName = localName;
|
|
|
|
if (m_tracer != null)
|
|
firePseudoElement(elementName);
|
|
|
|
/* we don't want to call our own addAttributes, which
|
|
* merely delegates to the wrapped handler, but we want to
|
|
* add these attributes to m_attributes. So me must call super.
|
|
* addAttributes() In this case m_attributes is only used for the
|
|
* first element, after that this class totally delegates to the
|
|
* wrapped handler which is either XML or HTML.
|
|
*/
|
|
if (atts != null)
|
|
super.addAttributes(atts);
|
|
|
|
// if there are attributes, then lets make the flush()
|
|
// call the startElement on the handler and send the
|
|
// attributes on their way.
|
|
if (atts != null)
|
|
flush();
|
|
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// this is not the first element, but a later one, so just
|
|
// send it on its way.
|
|
m_handler.startElement(namespaceURI, localName, elementName, atts);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see ExtendedLexicalHandler#comment(String)
|
|
*/
|
|
public void comment(String comment) throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted && m_firstElementName != null)
|
|
{
|
|
emitFirstTag();
|
|
}
|
|
else if (m_needToCallStartDocument)
|
|
{
|
|
m_handler.startDocument();
|
|
m_needToCallStartDocument = false;
|
|
}
|
|
|
|
m_handler.comment(comment);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#getDoctypePublic()
|
|
*/
|
|
public String getDoctypePublic()
|
|
{
|
|
|
|
return m_handler.getDoctypePublic();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#getDoctypeSystem()
|
|
*/
|
|
public String getDoctypeSystem()
|
|
{
|
|
return m_handler.getDoctypeSystem();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#getEncoding()
|
|
*/
|
|
public String getEncoding()
|
|
{
|
|
return m_handler.getEncoding();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#getIndent()
|
|
*/
|
|
public boolean getIndent()
|
|
{
|
|
return m_handler.getIndent();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#getIndentAmount()
|
|
*/
|
|
public int getIndentAmount()
|
|
{
|
|
return m_handler.getIndentAmount();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#getMediaType()
|
|
*/
|
|
public String getMediaType()
|
|
{
|
|
return m_handler.getMediaType();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#getOmitXMLDeclaration()
|
|
*/
|
|
public boolean getOmitXMLDeclaration()
|
|
{
|
|
return m_handler.getOmitXMLDeclaration();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#getStandalone()
|
|
*/
|
|
public String getStandalone()
|
|
{
|
|
return m_handler.getStandalone();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#getVersion()
|
|
*/
|
|
public String getVersion()
|
|
{
|
|
return m_handler.getVersion();
|
|
}
|
|
|
|
/**
|
|
* @see XSLOutputAttributes#setDoctype(String, String)
|
|
*/
|
|
public void setDoctype(String system, String pub)
|
|
{
|
|
m_handler.setDoctypePublic(pub);
|
|
m_handler.setDoctypeSystem(system);
|
|
}
|
|
|
|
/**
|
|
* Set the doctype in the underlying XML handler. Remember that this method
|
|
* was called, just in case we need to transfer this doctype to an HTML handler
|
|
* @param doctype the public doctype to set
|
|
* @see XSLOutputAttributes#setDoctypePublic(String)
|
|
*/
|
|
public void setDoctypePublic(String doctype)
|
|
{
|
|
m_handler.setDoctypePublic(doctype);
|
|
m_setDoctypePublic_called = true;
|
|
}
|
|
|
|
/**
|
|
* Set the doctype in the underlying XML handler. Remember that this method
|
|
* was called, just in case we need to transfer this doctype to an HTML handler
|
|
* @param doctype the system doctype to set
|
|
* @see XSLOutputAttributes#setDoctypeSystem(String)
|
|
*/
|
|
public void setDoctypeSystem(String doctype)
|
|
{
|
|
m_handler.setDoctypeSystem(doctype);
|
|
m_setDoctypeSystem_called = true;
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#setEncoding(String)
|
|
*/
|
|
public void setEncoding(String encoding)
|
|
{
|
|
m_handler.setEncoding(encoding);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#setIndent(boolean)
|
|
*/
|
|
public void setIndent(boolean indent)
|
|
{
|
|
m_handler.setIndent(indent);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
*/
|
|
public void setIndentAmount(int value)
|
|
{
|
|
m_handler.setIndentAmount(value);
|
|
}
|
|
|
|
/**
|
|
* @see XSLOutputAttributes#setMediaType(String)
|
|
*/
|
|
public void setMediaType(String mediaType)
|
|
{
|
|
m_handler.setMediaType(mediaType);
|
|
m_setMediaType_called = true;
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#setOmitXMLDeclaration(boolean)
|
|
*/
|
|
public void setOmitXMLDeclaration(boolean b)
|
|
{
|
|
m_handler.setOmitXMLDeclaration(b);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see XSLOutputAttributes#setStandalone(String)
|
|
*/
|
|
public void setStandalone(String standalone)
|
|
{
|
|
m_handler.setStandalone(standalone);
|
|
}
|
|
|
|
/**
|
|
* @see XSLOutputAttributes#setVersion(String)
|
|
*/
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.DeclHandler#attributeDecl(String, String, String, String, String)
|
|
*/
|
|
public void attributeDecl(
|
|
String arg0,
|
|
String arg1,
|
|
String arg2,
|
|
String arg3,
|
|
String arg4)
|
|
throws SAXException
|
|
{
|
|
m_handler.attributeDecl(arg0, arg1, arg2, arg3, arg4);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.DeclHandler#elementDecl(String, String)
|
|
*/
|
|
public void elementDecl(String arg0, String arg1) throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
emitFirstTag();
|
|
}
|
|
m_handler.elementDecl(arg0, arg1);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.DeclHandler#externalEntityDecl(String, String, String)
|
|
*/
|
|
public void externalEntityDecl(
|
|
String name,
|
|
String publicId,
|
|
String systemId)
|
|
throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
m_handler.externalEntityDecl(name, publicId, systemId);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.DeclHandler#internalEntityDecl(String, String)
|
|
*/
|
|
public void internalEntityDecl(String arg0, String arg1)
|
|
throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
m_handler.internalEntityDecl(arg0, arg1);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ContentHandler#characters(char[], int, int)
|
|
*/
|
|
public void characters(char[] characters, int offset, int length)
|
|
throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
|
|
m_handler.characters(characters, offset, length);
|
|
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ContentHandler#endDocument()
|
|
*/
|
|
public void endDocument() throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
|
|
m_handler.endDocument();
|
|
|
|
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ContentHandler#endElement(String, String, String)
|
|
*/
|
|
public void endElement(String namespaceURI, String localName, String qName)
|
|
throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
if (namespaceURI == null && m_firstElementURI != null)
|
|
namespaceURI = m_firstElementURI;
|
|
|
|
|
|
if (localName == null && m_firstElementLocalName != null)
|
|
localName = m_firstElementLocalName;
|
|
}
|
|
|
|
m_handler.endElement(namespaceURI, localName, qName);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ContentHandler#endPrefixMapping(String)
|
|
*/
|
|
public void endPrefixMapping(String prefix) throws SAXException
|
|
{
|
|
m_handler.endPrefixMapping(prefix);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ContentHandler#ignorableWhitespace(char[], int, int)
|
|
*/
|
|
public void ignorableWhitespace(char[] ch, int start, int length)
|
|
throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
m_handler.ignorableWhitespace(ch, start, length);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ContentHandler#processingInstruction(String, String)
|
|
*/
|
|
public void processingInstruction(String target, String data)
|
|
throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
|
|
m_handler.processingInstruction(target, data);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ContentHandler#setDocumentLocator(Locator)
|
|
*/
|
|
public void setDocumentLocator(Locator locator)
|
|
{
|
|
super.setDocumentLocator(locator);
|
|
m_handler.setDocumentLocator(locator);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ContentHandler#skippedEntity(String)
|
|
*/
|
|
public void skippedEntity(String name) throws SAXException
|
|
{
|
|
m_handler.skippedEntity(name);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.LexicalHandler#comment(char[], int, int)
|
|
*/
|
|
public void comment(char[] ch, int start, int length) throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
flush();
|
|
}
|
|
|
|
m_handler.comment(ch, start, length);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.LexicalHandler#endCDATA()
|
|
*/
|
|
public void endCDATA() throws SAXException
|
|
{
|
|
|
|
m_handler.endCDATA();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.LexicalHandler#endDTD()
|
|
*/
|
|
public void endDTD() throws SAXException
|
|
{
|
|
|
|
m_handler.endDTD();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.LexicalHandler#endEntity(String)
|
|
*/
|
|
public void endEntity(String name) throws SAXException
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
emitFirstTag();
|
|
}
|
|
m_handler.endEntity(name);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.LexicalHandler#startCDATA()
|
|
*/
|
|
public void startCDATA() throws SAXException
|
|
{
|
|
m_handler.startCDATA();
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.LexicalHandler#startDTD(String, String, String)
|
|
*/
|
|
public void startDTD(String name, String publicId, String systemId)
|
|
throws SAXException
|
|
{
|
|
m_handler.startDTD(name, publicId, systemId);
|
|
}
|
|
|
|
/**
|
|
* Pass the call on to the underlying handler
|
|
* @see org.xml.sax.ext.LexicalHandler#startEntity(String)
|
|
*/
|
|
public void startEntity(String name) throws SAXException
|
|
{
|
|
m_handler.startEntity(name);
|
|
}
|
|
|
|
/**
|
|
* Initialize the wrapped output stream (XML or HTML).
|
|
* If the stream handler should be HTML, then replace the XML handler with
|
|
* an HTML handler. After than send the starting method calls that were cached
|
|
* to the wrapped handler.
|
|
*
|
|
*/
|
|
private void initStreamOutput() throws SAXException
|
|
{
|
|
|
|
// Try to rule out if this is an not to be an HTML document based on prefix
|
|
boolean firstElementIsHTML = isFirstElemHTML();
|
|
|
|
if (firstElementIsHTML)
|
|
{
|
|
// create an HTML output handler, and initialize it
|
|
|
|
// keep a reference to the old handler, ... it will soon be gone
|
|
SerializationHandler oldHandler = m_handler;
|
|
|
|
/* We have to make sure we get an output properties with the proper
|
|
* defaults for the HTML method. The easiest way to do this is to
|
|
* have the OutputProperties class do it.
|
|
*/
|
|
|
|
Properties htmlProperties =
|
|
OutputPropertiesFactory.getDefaultMethodProperties(Method.HTML);
|
|
Serializer serializer =
|
|
SerializerFactory.getSerializer(htmlProperties);
|
|
|
|
// The factory should be returning a ToStream
|
|
// Don't know what to do if it doesn't
|
|
// i.e. the user has over-ridden the content-handler property
|
|
// for html
|
|
m_handler = (SerializationHandler) serializer;
|
|
//m_handler = new ToHTMLStream();
|
|
|
|
Writer writer = oldHandler.getWriter();
|
|
|
|
if (null != writer)
|
|
m_handler.setWriter(writer);
|
|
else
|
|
{
|
|
OutputStream os = oldHandler.getOutputStream();
|
|
|
|
if (null != os)
|
|
m_handler.setOutputStream(os);
|
|
}
|
|
|
|
// need to copy things from the old handler to the new one here
|
|
|
|
// if (_setVersion_called)
|
|
// {
|
|
m_handler.setVersion(oldHandler.getVersion());
|
|
// }
|
|
// if (_setDoctypeSystem_called)
|
|
// {
|
|
m_handler.setDoctypeSystem(oldHandler.getDoctypeSystem());
|
|
// }
|
|
// if (_setDoctypePublic_called)
|
|
// {
|
|
m_handler.setDoctypePublic(oldHandler.getDoctypePublic());
|
|
// }
|
|
// if (_setMediaType_called)
|
|
// {
|
|
m_handler.setMediaType(oldHandler.getMediaType());
|
|
// }
|
|
|
|
m_handler.setTransformer(oldHandler.getTransformer());
|
|
}
|
|
|
|
/* Now that we have a real wrapped handler (XML or HTML) lets
|
|
* pass any cached calls to it
|
|
*/
|
|
// Call startDocument() if necessary
|
|
if (m_needToCallStartDocument)
|
|
{
|
|
m_handler.startDocument();
|
|
m_needToCallStartDocument = false;
|
|
}
|
|
|
|
// the wrapped handler is now fully initialized
|
|
m_wrapped_handler_not_initialized = false;
|
|
}
|
|
|
|
private void emitFirstTag() throws SAXException
|
|
{
|
|
if (m_firstElementName != null)
|
|
{
|
|
if (m_wrapped_handler_not_initialized)
|
|
{
|
|
initStreamOutput();
|
|
m_wrapped_handler_not_initialized = false;
|
|
}
|
|
// Output first tag
|
|
m_handler.startElement(m_firstElementURI, null, m_firstElementName, m_attributes);
|
|
// don't need the collected attributes of the first element anymore.
|
|
m_attributes = null;
|
|
|
|
// Output namespaces of first tag
|
|
if (m_namespacePrefix != null)
|
|
{
|
|
final int n = m_namespacePrefix.size();
|
|
for (int i = 0; i < n; i++)
|
|
{
|
|
final String prefix =
|
|
(String) m_namespacePrefix.elementAt(i);
|
|
final String uri = (String) m_namespaceURI.elementAt(i);
|
|
m_handler.startPrefixMapping(prefix, uri, false);
|
|
}
|
|
m_namespacePrefix = null;
|
|
m_namespaceURI = null;
|
|
}
|
|
m_firstTagNotEmitted = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Utility function for calls to local-name().
|
|
*
|
|
* Don't want to override static function on SerializerBase
|
|
* So added Unknown suffix to method name.
|
|
*/
|
|
private String getLocalNameUnknown(String value)
|
|
{
|
|
int idx = value.lastIndexOf(':');
|
|
if (idx >= 0)
|
|
value = value.substring(idx + 1);
|
|
idx = value.lastIndexOf('@');
|
|
if (idx >= 0)
|
|
value = value.substring(idx + 1);
|
|
return (value);
|
|
}
|
|
|
|
/**
|
|
* Utility function to return prefix
|
|
*
|
|
* Don't want to override static function on SerializerBase
|
|
* So added Unknown suffix to method name.
|
|
*/
|
|
private String getPrefixPartUnknown(String qname)
|
|
{
|
|
final int index = qname.indexOf(':');
|
|
return (index > 0) ? qname.substring(0, index) : EMPTYSTRING;
|
|
}
|
|
|
|
/**
|
|
* Determine if the firts element in the document is <html> or <HTML>
|
|
* This uses the cached first element name, first element prefix and the
|
|
* cached namespaces from previous method calls
|
|
*
|
|
* @return true if the first element is an opening <html> tag
|
|
*/
|
|
private boolean isFirstElemHTML()
|
|
{
|
|
boolean isHTML;
|
|
|
|
// is the first tag html, not considering the prefix ?
|
|
isHTML =
|
|
getLocalNameUnknown(m_firstElementName).equalsIgnoreCase("html");
|
|
|
|
// Try to rule out if this is not to be an HTML document based on URI
|
|
if (isHTML
|
|
&& m_firstElementURI != null
|
|
&& !EMPTYSTRING.equals(m_firstElementURI))
|
|
{
|
|
// the <html> element has a non-trivial namespace
|
|
isHTML = false;
|
|
}
|
|
// Try to rule out if this is an not to be an HTML document based on prefix
|
|
if (isHTML && m_namespacePrefix != null)
|
|
{
|
|
/* the first element has a name of "html", but lets check the prefix.
|
|
* If the prefix points to a namespace with a URL that is not ""
|
|
* then the doecument doesn't start with an <html> tag, and isn't html
|
|
*/
|
|
final int max = m_namespacePrefix.size();
|
|
for (int i = 0; i < max; i++)
|
|
{
|
|
final String prefix = (String) m_namespacePrefix.elementAt(i);
|
|
final String uri = (String) m_namespaceURI.elementAt(i);
|
|
|
|
if (m_firstElementPrefix != null
|
|
&& m_firstElementPrefix.equals(prefix)
|
|
&& !EMPTYSTRING.equals(uri))
|
|
{
|
|
// The first element has a prefix, so it can't be <html>
|
|
isHTML = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
return isHTML;
|
|
}
|
|
/**
|
|
* @see Serializer#asDOMSerializer()
|
|
*/
|
|
public DOMSerializer asDOMSerializer() throws IOException
|
|
{
|
|
return m_handler.asDOMSerializer();
|
|
}
|
|
|
|
/**
|
|
* @param URI_and_localNames Vector a list of pairs of URI/localName
|
|
* specified in the cdata-section-elements attribute.
|
|
* @see SerializationHandler#setCdataSectionElements(java.util.Vector)
|
|
*/
|
|
public void setCdataSectionElements(Vector URI_and_localNames)
|
|
{
|
|
m_handler.setCdataSectionElements(URI_and_localNames);
|
|
}
|
|
/**
|
|
* @see ExtendedContentHandler#addAttributes(org.xml.sax.Attributes)
|
|
*/
|
|
public void addAttributes(Attributes atts) throws SAXException
|
|
{
|
|
m_handler.addAttributes(atts);
|
|
}
|
|
|
|
/**
|
|
* Get the current namespace mappings.
|
|
* Simply returns the mappings of the wrapped handler.
|
|
* @see ExtendedContentHandler#getNamespaceMappings()
|
|
*/
|
|
public NamespaceMappings getNamespaceMappings()
|
|
{
|
|
NamespaceMappings mappings = null;
|
|
if (m_handler != null)
|
|
{
|
|
mappings = m_handler.getNamespaceMappings();
|
|
}
|
|
return mappings;
|
|
}
|
|
/**
|
|
* @see SerializationHandler#flushPending()
|
|
*/
|
|
public void flushPending() throws SAXException
|
|
{
|
|
|
|
flush();
|
|
|
|
m_handler.flushPending();
|
|
}
|
|
|
|
private void flush()
|
|
{
|
|
try
|
|
{
|
|
if (m_firstTagNotEmitted)
|
|
{
|
|
emitFirstTag();
|
|
}
|
|
if (m_needToCallStartDocument)
|
|
{
|
|
m_handler.startDocument();
|
|
m_needToCallStartDocument = false;
|
|
}
|
|
}
|
|
catch(SAXException e)
|
|
{
|
|
throw new RuntimeException(e.toString());
|
|
}
|
|
|
|
|
|
}
|
|
|
|
/**
|
|
* @see ExtendedContentHandler#getPrefix
|
|
*/
|
|
public String getPrefix(String namespaceURI)
|
|
{
|
|
return m_handler.getPrefix(namespaceURI);
|
|
}
|
|
/**
|
|
* @see ExtendedContentHandler#entityReference(java.lang.String)
|
|
*/
|
|
public void entityReference(String entityName) throws SAXException
|
|
{
|
|
m_handler.entityReference(entityName);
|
|
}
|
|
|
|
/**
|
|
* @see ExtendedContentHandler#getNamespaceURI(java.lang.String, boolean)
|
|
*/
|
|
public String getNamespaceURI(String qname, boolean isElement)
|
|
{
|
|
return m_handler.getNamespaceURI(qname, isElement);
|
|
}
|
|
|
|
public String getNamespaceURIFromPrefix(String prefix)
|
|
{
|
|
return m_handler.getNamespaceURIFromPrefix(prefix);
|
|
}
|
|
|
|
public void setTransformer(Transformer t)
|
|
{
|
|
m_handler.setTransformer(t);
|
|
if ((t instanceof SerializerTrace) &&
|
|
(((SerializerTrace) t).hasTraceListeners())) {
|
|
m_tracer = (SerializerTrace) t;
|
|
} else {
|
|
m_tracer = null;
|
|
}
|
|
}
|
|
public Transformer getTransformer()
|
|
{
|
|
return m_handler.getTransformer();
|
|
}
|
|
|
|
/**
|
|
* @see SerializationHandler#setContentHandler(org.xml.sax.ContentHandler)
|
|
*/
|
|
public void setContentHandler(ContentHandler ch)
|
|
{
|
|
m_handler.setContentHandler(ch);
|
|
}
|
|
/**
|
|
* This method is used to set the source locator, which might be used to
|
|
* generated an error message.
|
|
* @param locator the source locator
|
|
*
|
|
* @see ExtendedContentHandler#setSourceLocator(javax.xml.transform.SourceLocator)
|
|
*/
|
|
public void setSourceLocator(SourceLocator locator)
|
|
{
|
|
m_handler.setSourceLocator(locator);
|
|
}
|
|
|
|
protected void firePseudoElement(String elementName)
|
|
{
|
|
|
|
if (m_tracer != null) {
|
|
StringBuffer sb = new StringBuffer();
|
|
|
|
sb.append('<');
|
|
sb.append(elementName);
|
|
|
|
// convert the StringBuffer to a char array and
|
|
// emit the trace event that these characters "might"
|
|
// be written
|
|
char ch[] = sb.toString().toCharArray();
|
|
m_tracer.fireGenerateEvent(
|
|
SerializerTrace.EVENTTYPE_OUTPUT_PSEUDO_CHARACTERS,
|
|
ch,
|
|
0,
|
|
ch.length);
|
|
}
|
|
}
|
|
}
|