org.outerj.daisy.diff.helper.MergeCharacterEventsHandler Maven / Gradle / Ivy
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Liferay Diff Implementation
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/*
* Copyright 2004 Outerthought bvba and Schaubroeck nv
*
* 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.
*/
package org.outerj.daisy.diff.helper;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import org.xml.sax.Locator;
import org.xml.sax.Attributes;
class MergeCharacterEventsHandler implements ContentHandler {
private ContentHandler consumer;
private char[] ch;
private int start = 0;
private int length = 0;
public MergeCharacterEventsHandler(ContentHandler consumer) {
this.consumer = consumer;
}
public void characters(char ch[], int start, int length)
throws SAXException {
char[] newCh = new char[this.length + length];
if (this.ch != null)
System.arraycopy(this.ch, this.start, newCh, 0, this.length);
System.arraycopy(ch, start, newCh, this.length, length);
this.start = 0;
this.length = newCh.length;
this.ch = newCh;
}
private void flushCharacters() throws SAXException {
if (ch != null) {
consumer.characters(ch, start, length);
ch = null;
start = 0;
length = 0;
}
}
public void endDocument() throws SAXException {
flushCharacters();
consumer.endDocument();
}
public void startDocument() throws SAXException {
flushCharacters();
consumer.startDocument();
}
public void ignorableWhitespace(char ch[], int start, int length)
throws SAXException {
flushCharacters();
consumer.ignorableWhitespace(ch, start, length);
}
public void endPrefixMapping(String prefix) throws SAXException {
flushCharacters();
consumer.endPrefixMapping(prefix);
}
public void skippedEntity(String name) throws SAXException {
flushCharacters();
consumer.skippedEntity(name);
}
public void setDocumentLocator(Locator locator) {
consumer.setDocumentLocator(locator);
}
public void processingInstruction(String target, String data)
throws SAXException {
flushCharacters();
consumer.processingInstruction(target, data);
}
public void startPrefixMapping(String prefix, String uri)
throws SAXException {
flushCharacters();
consumer.startPrefixMapping(prefix, uri);
}
public void endElement(String namespaceURI, String localName, String qName)
throws SAXException {
flushCharacters();
consumer.endElement(namespaceURI, localName, qName);
}
public void startElement(String namespaceURI, String localName,
String qName, Attributes atts) throws SAXException {
flushCharacters();
consumer.startElement(namespaceURI, localName, qName, atts);
}
}