/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2013 Adobe
* %%
* 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.
* #L%
*/
package com.adobe.acs.commons.rewriter.impl;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringReader;
import java.io.StringWriter;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.apache.sling.rewriter.Generator;
import org.apache.sling.rewriter.ProcessingComponentConfiguration;
import org.apache.sling.rewriter.ProcessingContext;
import org.xml.sax.ContentHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
public final class XMLParserGenerator implements Generator {
private final StringWriter writer;
private final PrintWriter printWriter;
private final SAXParser saxParser;
private ContentHandler contentHandler;
public XMLParserGenerator() throws ParserConfigurationException, SAXException {
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
saxParser = factory.newSAXParser();
this.writer = new StringWriter();
this.printWriter = new PrintWriter(writer);
}
public void finished() throws IOException, SAXException {
this.printWriter.flush();
final ContentHandlerAdapter handler = new ContentHandlerAdapter(contentHandler);
final String documentString = this.writer.toString();
if (!documentString.isEmpty()) {
final InputSource source = new InputSource(new StringReader(documentString));
this.saxParser.parse(source, handler);
}
}
public PrintWriter getWriter() {
return printWriter;
}
public void init(ProcessingContext context, ProcessingComponentConfiguration config) throws IOException {
// nothing to do
}
public void setContentHandler(ContentHandler handler) {
this.contentHandler = handler;
}
public void dispose() {
// nothing to do
}
}