/*
* Copyright (c) 2005-2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.inbound.endpoint.protocol.jms;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.jms.BytesMessage;
import javax.jms.JMSException;
import org.apache.axiom.attachments.SizeAwareDataSource;
/**
* Data source implementation wrapping a JMS {@link javax.jms.BytesMessage}.
* <p>
* Note that two input streams created by the same instance of this
* class can not be used at the same time.
*/
public class BytesMessageDataSource implements SizeAwareDataSource {
private final BytesMessage message;
private final String contentType;
public BytesMessageDataSource(BytesMessage message, String contentType) {
this.message = message;
this.contentType = contentType;
}
public BytesMessageDataSource(BytesMessage message) {
this(message, "application/octet-stream");
}
public long getSize() {
try {
return message.getBodyLength();
} catch (JMSException ex) {
throw new RuntimeException(ex);
}
}
public String getContentType() {
return contentType;
}
public InputStream getInputStream() throws IOException {
try {
message.reset();
} catch (JMSException ex) {
throw new JMSExceptionWrapper(ex);
}
return new BytesMessageInputStream(message);
}
public String getName() {
return null;
}
public OutputStream getOutputStream() throws IOException {
throw new UnsupportedOperationException();
}
}