/*
* Copyright (c) 2010-2014. Axon Framework
*
* 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.axonframework.serializer.xml;
import org.axonframework.serializer.AbstractContentTypeConverter;
import org.axonframework.serializer.CannotConvertBetweenTypesException;
import org.dom4j.Document;
import org.dom4j.io.STAXEventReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import javax.xml.stream.XMLStreamException;
/**
* Converter that converts an input stream to a Dom4J document. It assumes that the input stream provides UTF-8
* formatted XML.
*
* @author Allard Buijze
* @since 2.0
*/
public class InputStreamToDom4jConverter extends AbstractContentTypeConverter<InputStream, Document> {
@Override
public Class<InputStream> expectedSourceType() {
return InputStream.class;
}
@Override
public Class<Document> targetType() {
return Document.class;
}
@Override
public Document convert(InputStream original) {
try {
return new STAXEventReader().readDocument(new InputStreamReader(original,
Charset.forName("UTF-8")));
} catch (XMLStreamException e) {
throw new CannotConvertBetweenTypesException("Cannot convert from InputStream to dom4j Document.", e);
}
}
}