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* 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.james.queue.jms;
import java.io.IOException;
import java.io.InputStream;
import javax.jms.JMSException;
import javax.jms.ObjectMessage;
import javax.mail.util.SharedByteArrayInputStream;
import org.apache.james.core.MimeMessageSource;
import org.apache.james.lifecycle.api.Disposable;
import org.apache.james.lifecycle.api.LifecycleUtil;
/**
* {@link MimeMessageSource} implementation which reads the data from the
* payload of an {@link ObjectMessage}. Its important that the payload is a byte
* array otherwise it will throw an {@link ClassCastException}
*/
public class MimeMessageObjectMessageSource extends MimeMessageSource implements Disposable {
private final ObjectMessage message;
private final SharedByteArrayInputStream in;
private final String id;
private byte[] content;
public MimeMessageObjectMessageSource(ObjectMessage message) throws JMSException {
this.message = message;
this.id = message.getJMSMessageID();
this.content = (byte[]) message.getObject();
in = new SharedByteArrayInputStream(content);
}
@Override
public long getMessageSize() throws IOException {
return content.length;
}
@Override
public InputStream getInputStream() throws IOException {
return in.newStream(0, -1);
}
@Override
public String getSourceId() {
return id;
}
@Override
public void dispose() {
try {
in.close();
} catch (IOException e1) {
// ignore on dispose
}
LifecycleUtil.dispose(in);
try {
message.clearBody();
} catch (JMSException e) {
// ignore on dispose
}
try {
message.clearProperties();
} catch (JMSException e) {
// ignore on dispose
}
content = null;
}
}