/*
* Copyright 2009-2011 Andreas Veithen
*
* 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.axiom.ts.om.sourcedelement;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.StringReader;
import java.io.Writer;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.apache.axiom.om.OMDataSource;
import org.apache.axiom.om.OMOutputFormat;
import org.apache.axiom.om.impl.serialize.StreamingOMSerializer;
import org.apache.axiom.om.util.StAXUtils;
class TestDataSource implements OMDataSource {
// The data source is a ByteArrayInputStream so that we can verify that the datasource
// is only accessed once. Currently there is no way to identify a destructive vs. non-destructive OMDataSource.
private final ByteArrayInputStream data;
TestDataSource(String data) {
this.data = new ByteArrayInputStream(data.getBytes());
this.data.mark(0);
}
/* (non-Javadoc)
* @see org.apache.axiom.om.OMDataSource#serialize(java.io.OutputStream, org.apache.axiom.om.OMOutputFormat)
*/
public void serialize(OutputStream output, OMOutputFormat format)
throws XMLStreamException {
try {
output.write(getBytes());
} catch (IOException e) {
throw new XMLStreamException(e);
}
}
/* (non-Javadoc)
* @see org.apache.axiom.om.OMDataSource#serialize(java.io.Writer, org.apache.axiom.om.OMOutputFormat)
*/
public void serialize(Writer writer, OMOutputFormat format) throws XMLStreamException {
try {
writer.write(getString());
} catch (IOException e) {
throw new XMLStreamException(e);
}
}
/* (non-Javadoc)
* @see org.apache.axiom.om.OMDataSource#serialize(javax.xml.stream.XMLStreamWriter)
*/
public void serialize(XMLStreamWriter xmlWriter) throws XMLStreamException {
StreamingOMSerializer serializer = new StreamingOMSerializer();
serializer.serialize(getReader(), xmlWriter);
}
/* (non-Javadoc)
* @see org.apache.axiom.om.OMDataSource#getReader()
*/
public XMLStreamReader getReader() throws XMLStreamException {
return StAXUtils.createXMLStreamReader(new StringReader(getString()));
}
private byte[] getBytes() throws XMLStreamException {
try {
// The data from the data source should only be accessed once
//data.reset();
byte[] rc = new byte[data.available()];
data.read(rc);
return rc;
} catch (IOException io) {
throw new XMLStreamException(io);
}
}
private String getString() throws XMLStreamException {
String text = new String(getBytes());
return text;
}
}