/*
* Copyright 2005-2010 the original author or authors.
*
* 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.springframework.ws.soap.stroap;
import java.util.LinkedList;
import java.util.List;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.XMLEvent;
import org.springframework.util.Assert;
import org.springframework.xml.stream.ListBasedXMLEventReader;
/**
* @author Arjen Poutsma
*/
class CachingStroapPayload extends StroapPayload {
private final List<XMLEvent> events = new LinkedList<XMLEvent>();
CachingStroapPayload() {
}
CachingStroapPayload(XMLEventReader eventReader) throws XMLStreamException {
Assert.notNull(eventReader, "'eventReader' must not be null");
XMLEventWriter eventWriter = getEventWriter();
eventWriter.add(eventReader);
}
@Override
public QName getName() {
if (!events.isEmpty()) {
XMLEvent event = events.get(0);
if (event.isStartElement()) {
return event.asStartElement().getName();
}
}
return null;
}
@Override
public XMLEventReader getEventReader() {
return new ListBasedXMLEventReader(events);
}
public XMLEventWriter getEventWriter() {
events.clear();
return new CachingXMLEventWriter(events);
}
}