org.htmlunit.cyberneko.xerces.dom.ProcessingInstructionImpl Maven / Gradle / Ivy
/*
* Copyright (c) 2017-2024 Ronald Brill
*
* 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
* https://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.
*/
package org.htmlunit.cyberneko.xerces.dom;
import org.w3c.dom.Node;
import org.w3c.dom.ProcessingInstruction;
/**
* Processing Instructions (PIs) permit documents to carry processor-specific
* information alongside their actual content. PIs are most common in XML, but
* they are supported in HTML as well.
*
* This class inherits from CharacterDataImpl to reuse its setNodeValue method.
*/
public class ProcessingInstructionImpl extends CharacterDataImpl implements ProcessingInstruction {
private final String target_;
// Factory constructor.
public ProcessingInstructionImpl(final CoreDocumentImpl ownerDoc, final String target, final String data) {
super(ownerDoc, data);
this.target_ = target;
}
/**
* {@inheritDoc}
*
* A short integer indicating what type of node this is. The named constants for
* this value are defined in the org.w3c.dom.Node interface.
*/
@Override
public short getNodeType() {
return Node.PROCESSING_INSTRUCTION_NODE;
}
/**
* {@inheritDoc}
*
* Returns the target
*/
@Override
public String getNodeName() {
if (needsSyncData()) {
synchronizeData();
}
return target_;
}
/**
* {@inheritDoc}
*
* A PI's "target" states what processor channel the PI's data should be
* directed to. It is defined differently in HTML and XML.
*
* In XML, a PI's "target" is the first (whitespace-delimited) token following
* the "<?" token that begins the PI.
*
* In HTML, target is always null.
*
* Note that getNodeName is aliased to getTarget.
*/
@Override
public String getTarget() {
if (needsSyncData()) {
synchronizeData();
}
return target_;
}
/**
* {@inheritDoc}
*
* Returns the absolute base URI of this node or null if the implementation
* wasn't able to obtain an absolute URI. Note: If the URI is malformed, a null
* is returned.
*
* @return The absolute base URI of this node or null.
*/
@Override
public String getBaseURI() {
if (needsSyncData()) {
synchronizeData();
}
return ownerNode.getBaseURI();
}
}