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162 lines
4.3 KiB
162 lines
4.3 KiB
/*
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* Copyright (c) 2007, 2018, 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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* Copyright 1999-2002,2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.sun.org.apache.xerces.internal.dom;
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import org.w3c.dom.Node;
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import org.w3c.dom.ProcessingInstruction;
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/**
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* Processing Instructions (PIs) permit documents to carry
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* processor-specific information alongside their actual content. PIs
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* are most common in XML, but they are supported in HTML as well.
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*
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* This class inherits from CharacterDataImpl to reuse its setNodeValue method.
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*
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* @xerces.internal
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*
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* @since PR-DOM-Level-1-19980818.
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*/
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public class ProcessingInstructionImpl
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extends CharacterDataImpl
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implements ProcessingInstruction {
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//
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// Constants
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//
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/** Serialization version. */
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static final long serialVersionUID = 7554435174099981510L;
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//
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// Data
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//
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protected String target;
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//
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// Constructors
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//
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/** Factory constructor. */
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public ProcessingInstructionImpl(CoreDocumentImpl ownerDoc,
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String target, String data) {
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super(ownerDoc, data);
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this.target = target;
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}
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//
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// Node methods
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//
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/**
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* A short integer indicating what type of node this is. The named
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* constants for this value are defined in the org.w3c.dom.Node interface.
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*/
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public short getNodeType() {
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return Node.PROCESSING_INSTRUCTION_NODE;
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}
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/**
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* Returns the target
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*/
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public String getNodeName() {
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if (needsSyncData()) {
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synchronizeData();
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}
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return target;
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}
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//
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// ProcessingInstruction methods
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//
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/**
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* A PI's "target" states what processor channel the PI's data
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* should be directed to. It is defined differently in HTML and XML.
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* <p>
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* In XML, a PI's "target" is the first (whitespace-delimited) token
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* following the "<?" token that begins the PI.
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* <p>
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* In HTML, target is always null.
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* <p>
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* Note that getNodeName is aliased to getTarget.
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*/
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public String getTarget() {
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if (needsSyncData()) {
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synchronizeData();
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}
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return target;
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} // getTarget():String
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/**
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* A PI's data content tells the processor what we actually want it
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* to do. It is defined slightly differently in HTML and XML.
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* <p>
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* In XML, the data begins with the non-whitespace character
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* immediately after the target -- @see getTarget().
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* <p>
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* In HTML, the data begins with the character immediately after the
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* "<?" token that begins the PI.
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* <p>
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* Note that getNodeValue is aliased to getData
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*/
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public String getData() {
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if (needsSyncData()) {
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synchronizeData();
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}
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return data;
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} // getData():String
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/**
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* Change the data content of this PI.
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* Note that setData is aliased to setNodeValue.
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* @see #getData().
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* @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) if node is read-only.
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*/
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public void setData(String data) {
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// Hand off to setNodeValue for code-reuse reasons (mutation
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// events, readonly protection, synchronizing, etc.)
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setNodeValue(data);
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} // setData(String)
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/**
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* Returns the absolute base URI of this node or null if the implementation
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* wasn't able to obtain an absolute URI. Note: If the URI is malformed, a
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* null is returned.
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*
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* @return The absolute base URI of this node or null.
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* @since DOM Level 3
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*/
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public String getBaseURI() {
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if (needsSyncData()) {
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synchronizeData();
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}
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return ownerNode.getBaseURI();
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}
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} // class ProcessingInstructionImpl
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