/*
* Copyright 2007 Ralf Joachim
*
* 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.castor.cpa.persistence.convertor;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
/**
* Convert <code>InputStream</code> to <code>Serializable</code>.
* <br/>
* Because Serializable need the right ClassLoader when serializing, we convert
* to byte[] or InputStream and vice-versa.
*
* @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
* @version $Revision: 7134 $ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $
* @since 1.1.3
*/
public final class InputStreamToSerializable extends AbstractLobTypeConvertor {
//-----------------------------------------------------------------------------------
/**
* Default constructor.
*/
public InputStreamToSerializable() {
super(InputStream.class, Serializable.class);
}
//-----------------------------------------------------------------------------------
/**
* {@inheritDoc}
*/
public Object convert(final Object object) {
try {
InputStream is = (InputStream) object;
ByteArrayOutputStream bos = new ByteArrayOutputStream();
byte[] buffer = new byte[getLobBufferSize()];
int len = 0;
while ((len = is.read(buffer)) > 0) {
bos.write(buffer, 0, len);
}
return bos.toByteArray();
} catch (IOException ex) {
throw new IllegalArgumentException(ex.toString());
}
}
//-----------------------------------------------------------------------------------
}