/*
* Copyright 2003, 2004 The Apache Software Foundation
*
* 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.apache.xmlrpc.serializer;
import java.io.OutputStream;
import java.io.StringWriter;
import org.apache.ws.commons.serialize.CharSetXMLWriter;
import org.apache.xmlrpc.XmlRpcException;
import org.apache.xmlrpc.common.XmlRpcStreamConfig;
import org.xml.sax.ContentHandler;
import org.xml.sax.helpers.AttributesImpl;
/** The default implementation of {@link org.apache.xmlrpc.serializer.XmlWriterFactory}
* tests, whether the {@link org.apache.xmlrpc.serializer.CharSetXmlWriterFactory}
* is usable. This is the case, when running in Java 1.4 or later. If so,
* this factory is used. Otherwise, the
* {@link org.apache.xmlrpc.serializer.BaseXmlWriterFactory} is used as a
* fallback.
*/
public class DefaultXMLWriterFactory implements XmlWriterFactory {
private final XmlWriterFactory factory;
/** Creates a new instance.
*/
public DefaultXMLWriterFactory() {
XmlWriterFactory xwf;
try {
CharSetXMLWriter csw = new CharSetXMLWriter();
StringWriter sw = new StringWriter();
csw.setWriter(sw);
csw.startDocument();
csw.startElement("", "test", "test", new AttributesImpl());
csw.endElement("", "test", "test");
csw.endDocument();
xwf = new CharSetXmlWriterFactory();
} catch (Throwable t) {
xwf = new BaseXmlWriterFactory();
}
factory = xwf;
}
public ContentHandler getXmlWriter(XmlRpcStreamConfig pConfig,
OutputStream pStream) throws XmlRpcException {
return factory.getXmlWriter(pConfig, pStream);
}
}