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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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* recipient has the option to distribute your version of this file under
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* and therefore, elected the GPL Version 2 license, then the option applies
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*/
/*
* $Id: CharacterEvent.java,v 1.4 2010-11-01 04:40:41 joehw Exp $
* %W% %E%
*/
package com.sun.xml.internal.stream.events ;
import javax.xml.stream.events.Characters;
import java.io.Writer;
import java.io.IOException;
import javax.xml.stream.events.XMLEvent;
import com.sun.org.apache.xerces.internal.util.XMLChar;
/** Implementation of Character event.
*
*@author Neeraj Bajaj, Sun Microsystems
*@author K.Venugopal, Sun Microsystems
*
*/
public class CharacterEvent extends DummyEvent
implements Characters {
/* data */
private String fData;
/*true if fData is CData */
private boolean fIsCData;
/* true if fData is ignorableWhitespace*/
private boolean fIsIgnorableWhitespace;
/* true if fData contet is whitespace*/
private boolean fIsSpace = false;
/*used to prevent scanning of data multiple times */
private boolean fCheckIfSpaceNeeded = true;
public CharacterEvent() {
fIsCData = false;
init();
}
/**
*
* @param data Character Data.
*/
public CharacterEvent(String data) {
fIsCData = false;
init();
fData = data;
}
/**
*
* @param data Character Data.
* @param flag true if CData
*/
public CharacterEvent(String data, boolean flag) {
init();
fData = data;
fIsCData = flag;
}
/**
*
* @param data Character Data.
* @param flag true if CData
* @param isIgnorableWhiteSpace true if data is ignorable whitespace.
*/
public CharacterEvent(String data, boolean flag, boolean isIgnorableWhiteSpace) {
init();
fData = data;
fIsCData = flag;
fIsIgnorableWhitespace = isIgnorableWhiteSpace ;
}
protected void init() {
setEventType(XMLEvent.CHARACTERS);
}
/**
*
* @return return data.
*/
public String getData() {
return fData;
}
/**
*
* @param String data
*/
public void setData(String data){
fData = data;
fCheckIfSpaceNeeded = true;
}
/**
*
* @return boolean returns true if the data is CData
*/
public boolean isCData() {
return fIsCData;
}
/**
*
* @return String return the String representation of this event.
*/
public String toString() {
if(fIsCData)
return "";
else
return fData;
}
/** This method will write the XMLEvent as per the XML 1.0 specification as Unicode characters.
* No indentation or whitespace should be outputted.
*
* Any user defined event type SHALL have this method
* called when being written to on an output stream.
* Built in Event types MUST implement this method,
* but implementations MAY choose not call these methods
* for optimizations reasons when writing out built in
* Events to an output stream.
* The output generated MUST be equivalent in terms of the
* infoset expressed.
*
* @param writer The writer that will output the data
* @throws XMLStreamException if there is a fatal error writing the event
*/
protected void writeAsEncodedUnicodeEx(Writer writer) throws IOException
{
if (fIsCData) {
writer.write("");
} else {
charEncode(writer, fData);
}
}
/**
* Return true if this is ignorableWhiteSpace. If
* this event is ignorableWhiteSpace its event type will
* be SPACE.
* @return
*/
public boolean isIgnorableWhiteSpace() {
return fIsIgnorableWhitespace;
}
/**
* Returns true if this set of Characters
* is all whitespace. Whitspace inside a document
* is reported as CHARACTERS. This method allows
* checking of CHARACTERS events to see if they
* are composed of only whitespace characters
* @return
*/
public boolean isWhiteSpace() {
//no synchronization checks made.
if(fCheckIfSpaceNeeded){
checkWhiteSpace();
fCheckIfSpaceNeeded = false;
}
return fIsSpace;
}
private void checkWhiteSpace(){
//for now - remove dependancy of XMLChar
if(fData != null && fData.length() >0 ){
fIsSpace = true;
for(int i=0;i