/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.dataformat.xstream;
import java.io.InputStream;
import java.io.OutputStream;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import com.thoughtworks.xstream.io.xml.QNameMap;
import com.thoughtworks.xstream.io.xml.StaxReader;
import com.thoughtworks.xstream.io.xml.StaxWriter;
import org.apache.camel.Exchange;
import org.apache.camel.spi.ClassResolver;
import org.apache.camel.spi.DataFormat;
/**
* A <a href="http://camel.apache.org/data-format.html">data format</a>
* ({@link DataFormat}) using XStream to marshal to and from XML
*
* @version $Revision: 961922 $
*/
public class XStreamDataFormat extends AbstractXStreamWrapper {
String encoding;
public XStreamDataFormat() {
}
public XStreamDataFormat(XStream xstream) {
super(xstream);
}
public void setEncoding(String encoding) {
this.encoding = encoding;
}
public String getEncoding() {
return encoding;
}
/**
* A factory method which takes a collection of types to be annotated
*/
public static XStreamDataFormat processAnnotations(ClassResolver resolver, Iterable<Class<?>> types) {
XStreamDataFormat answer = new XStreamDataFormat();
XStream xstream = answer.getXStream(resolver);
for (Class<?> type : types) {
xstream.processAnnotations(type);
}
return answer;
}
/**
* A factory method which takes a number of types to be annotated
*/
public static XStreamDataFormat processAnnotations(ClassResolver resolver, Class<?>... types) {
XStreamDataFormat answer = new XStreamDataFormat();
XStream xstream = answer.getXStream(resolver);
for (Class<?> type : types) {
xstream.processAnnotations(type);
}
return answer;
}
// just make sure the exchange property can override the xmlstream encoding setting
protected void updateCharactorEncodingInfo(Exchange exchange) {
if (exchange.getProperty(Exchange.CHARSET_NAME) == null && encoding != null) {
exchange.setProperty(Exchange.CHARSET_NAME, encoding);
}
}
protected HierarchicalStreamWriter createHierarchicalStreamWriter(Exchange exchange, Object body, OutputStream stream) throws XMLStreamException {
updateCharactorEncodingInfo(exchange);
XMLStreamWriter xmlWriter = getStaxConverter().createXMLStreamWriter(stream, exchange);
return new StaxWriter(new QNameMap(), xmlWriter);
}
protected HierarchicalStreamReader createHierarchicalStreamReader(Exchange exchange, InputStream stream) throws XMLStreamException {
updateCharactorEncodingInfo(exchange);
XMLStreamReader xmlReader = getStaxConverter().createXMLStreamReader(stream, exchange);
return new StaxReader(new QNameMap(), xmlReader);
}
}