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Diffstat (limited to 'branches/sca-java-0.99/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSMessageProcessorImpl.java')
-rw-r--r-- | branches/sca-java-0.99/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSMessageProcessorImpl.java | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/branches/sca-java-0.99/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSMessageProcessorImpl.java b/branches/sca-java-0.99/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSMessageProcessorImpl.java new file mode 100644 index 0000000000..0a0a4cde2b --- /dev/null +++ b/branches/sca-java-0.99/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSMessageProcessorImpl.java @@ -0,0 +1,163 @@ +/* + * 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.tuscany.sca.binding.jms.provider; + +import java.io.Serializable; +import java.io.StringReader; + +import javax.jms.JMSException; +import javax.jms.Message; +import javax.jms.ObjectMessage; +import javax.jms.Session; +import javax.jms.TextMessage; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.axiom.om.OMElement; +import org.apache.axiom.om.impl.builder.StAXOMBuilder; +import org.apache.tuscany.sca.binding.jms.impl.JMSBinding; +import org.apache.tuscany.sca.binding.jms.impl.JMSBindingException; + +public class JMSMessageProcessorImpl implements JMSMessageProcessor { + + protected String operationPropertyName; + protected boolean xmlFormat; + + public JMSMessageProcessorImpl(JMSBinding jmsBinding) { + this.operationPropertyName = jmsBinding.getOperationSelectorPropertyName(); + this.xmlFormat = jmsBinding.getXMLFormat(); + } + + /* + * (non-Javadoc) + * + * @see org.apache.tuscany.binding.jms.OperationAndDataBinding#getOperationName(javax.jms.Message) + */ + public String getOperationName(Message message) { + try { + + return message.getStringProperty(operationPropertyName); + + } catch (JMSException e) { + throw new JMSBindingException("Exception retreiving operation name from message", e); + } + } + + /* + * (non-Javadoc) + * + * @see org.apache.tuscany.binding.jms.OperationAndDataBinding#setOperationName(javax.jms.Message, + * java.lang.String) + */ + public void setOperationName(String operationName, Message message) { + try { + + message.setStringProperty(operationPropertyName, operationName); + + } catch (JMSException e) { + throw new JMSBindingException("Exception setting the operation name on message", e); + } + } + + /* + * (non-Javadoc) + * + * @see org.apache.tuscany.binding.jms.OperationAndDataBinding#extractPayload(javax.jms.Session, + * java.lang.Object) + */ + public Message insertPayloadIntoJMSMessage(Session session, Object o) { + if (xmlFormat) { + return createXMLJMSMessage(session, o); + } else { + return createObjectJMSMessage(session, o); + } + } + + /* + * (non-Javadoc) + * + * @see org.apache.tuscany.binding.jms.OperationAndDataBinding#extractPayload(javax.jms.Message) + */ + public Object extractPayloadFromJMSMessage(Message msg) { + if (xmlFormat) { + return extractXMLPayload(msg); + } else { + return extractObjectPayload(msg); + } + } + + protected Object extractXMLPayload(Message msg) { + try { + + String xml = ((TextMessage)msg).getText(); + + XMLStreamReader reader = XMLInputFactory.newInstance().createXMLStreamReader(new StringReader(xml)); + StAXOMBuilder builder = new StAXOMBuilder(reader); + OMElement omElement = builder.getDocumentElement(); + + return new Object[] {omElement}; + + } catch (XMLStreamException e) { + throw new JMSBindingException(e); + } catch (JMSException e) { + throw new JMSBindingException(e); + } + } + + protected Object extractObjectPayload(Message msg) { + try { + + return ((ObjectMessage)msg).getObject(); + + } catch (JMSException e) { + throw new JMSBindingException(e); + } + } + + protected Message createXMLJMSMessage(Session session, Object o) { + try { + + TextMessage message = session.createTextMessage(); + + if (o instanceof OMElement) { + message.setText(o.toString()); + } else { + message.setText(((Object[])o)[0].toString()); + } + + return message; + + } catch (JMSException e) { + throw new JMSBindingException(e); + } + } + + protected Message createObjectJMSMessage(Session session, Object o) { + try { + + ObjectMessage message = session.createObjectMessage(); // default + message.setObject((Serializable)o); + return message; + + } catch (JMSException e) { + throw new JMSBindingException(e); + } + } +} |