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/*******************************************************************************
* Copyright (c) 2001, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.xml.core.internal.document;
import java.util.Iterator;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList;
import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
import org.w3c.dom.DOMException;
import org.w3c.dom.Node;
import org.w3c.dom.ProcessingInstruction;
/**
* ProcessingInstructionImpl class
*/
public class ProcessingInstructionImpl extends NodeImpl implements ProcessingInstruction {
private String data = null;
private String target = null;
/**
* ProcessingInstructionImpl constructor
*/
protected ProcessingInstructionImpl() {
super();
}
/**
* ProcessingInstructionImpl constructor
*
* @param that
* ProcessingInstructionImpl
*/
protected ProcessingInstructionImpl(ProcessingInstructionImpl that) {
super(that);
if (that != null) {
this.target = that.target;
this.data = that.getData();
}
}
/**
* cloneNode method
*
* @return org.w3c.dom.Node
* @param deep
* boolean
*/
public Node cloneNode(boolean deep) {
ProcessingInstructionImpl cloned = new ProcessingInstructionImpl(this);
return cloned;
}
/**
* getData method
*
* @return java.lang.String
*/
public String getData() {
if (this.data != null)
return this.data;
IStructuredDocumentRegion flatNode = getFirstStructuredDocumentRegion();
if (flatNode == null)
return new String();
ITextRegionList regions = flatNode.getRegions();
if (regions == null)
return new String();
ITextRegion targetRegion = null;
ITextRegion dataRegion = null;
ITextRegion closeRegion = null;
Iterator e = regions.iterator();
while (e.hasNext()) {
ITextRegion region = (ITextRegion) e.next();
String regionType = region.getType();
if (regionType == DOMRegionContext.XML_PI_OPEN)
continue;
if (regionType == DOMRegionContext.XML_PI_CLOSE) {
closeRegion = region;
}
else {
if (targetRegion == null)
targetRegion = region;
else if (dataRegion == null)
dataRegion = region;
}
}
if (dataRegion == null)
return new String();
int offset = dataRegion.getStart();
int end = flatNode.getLength();
if (closeRegion != null)
end = closeRegion.getStart();
String source = flatNode.getText();
return source.substring(offset, end);
}
/**
* getNodeName method
*
* @return java.lang.String
*/
public String getNodeName() {
return getTarget();
}
/**
* getNodeType method
*
* @return short
*/
public short getNodeType() {
return PROCESSING_INSTRUCTION_NODE;
}
/**
* getNodeValue method
*
* @return java.lang.String
*/
public String getNodeValue() {
return getData();
}
/**
* getTarget method
*
* @return java.lang.String
*/
public String getTarget() {
if (this.target == null)
return new String();
return this.target;
}
/**
*/
public boolean isClosed() {
IStructuredDocumentRegion flatNode = getStructuredDocumentRegion();
if (flatNode == null)
return true; // will be generated
String regionType = StructuredDocumentRegionUtil.getLastRegionType(flatNode);
return (regionType == DOMRegionContext.XML_PI_CLOSE);
}
/**
*/
void resetStructuredDocumentRegions() {
this.data = getData();
setStructuredDocumentRegion(null);
}
/**
* setData method
*
* @param data
* java.lang.String
*/
public void setData(String data) throws DOMException {
if (!isDataEditable()) {
throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String());
}
this.data = data;
notifyValueChanged();
}
/**
* setNodeValue method
*
* @param nodeValue
* java.lang.String
*/
public void setNodeValue(String nodeValue) throws DOMException {
setData(nodeValue);
}
/**
*/
void setStructuredDocumentRegion(IStructuredDocumentRegion flatNode) {
super.setStructuredDocumentRegion(flatNode);
if (flatNode != null)
this.data = null;
}
/**
* setTarget method
*
* @param target
* java.lang.String
*/
protected void setTarget(String target) {
this.target = target;
}
/**
* toString method
*
* @return java.lang.String
*/
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append(getTarget());
buffer.append('(');
buffer.append(getData());
buffer.append(')');
return buffer.toString();
}
}
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