diff options
Diffstat (limited to 'java/sca/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/ObjectMessageProcessor.java')
| -rw-r--r-- | java/sca/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/ObjectMessageProcessor.java | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/java/sca/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/ObjectMessageProcessor.java b/java/sca/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/ObjectMessageProcessor.java deleted file mode 100644 index db0b94dce1..0000000000 --- a/java/sca/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/ObjectMessageProcessor.java +++ /dev/null @@ -1,231 +0,0 @@ -/* - * 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.lang.reflect.InvocationTargetException; -import java.util.logging.Logger; - -import javax.jms.JMSException; -import javax.jms.Message; -import javax.jms.ObjectMessage; -import javax.jms.Session; - -import org.apache.tuscany.sca.binding.jms.JMSBinding; -import org.apache.tuscany.sca.binding.jms.JMSBindingException; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * MessageProcessor for sending/receiving Serializable objects with the JMSBinding. - * - */ -public class ObjectMessageProcessor extends AbstractMessageProcessor { - private static final Logger logger = Logger.getLogger(ObjectMessageProcessor.class.getName()); - - public ObjectMessageProcessor(JMSBinding jmsBinding, ExtensionPointRegistry registry) { - super(jmsBinding); - } - - @Override - protected Message createJMSMessage(Session session, Object o) { - if (session == null) { - logger.fine("no response session to create message: " + String.valueOf(o)); - return null; - } - try { - - ObjectMessage message = session.createObjectMessage(); - - if (o != null){ - if (!(o instanceof Serializable)) { - throw new IllegalStateException("JMS ObjectMessage payload not Serializable: " + o); - } - - message.setObject((Serializable)o); - } - - return message; - - } catch (JMSException e) { - throw new JMSBindingException(e); - } - } - - @Override - public Object extractPayloadFromJMSMessage(Message msg) { - try { - Object o = ((ObjectMessage)msg).getObject(); - if (o instanceof Throwable ) { - if (o instanceof RuntimeException) { - throw new ServiceRuntimeException("remote service exception, see nested exception", (RuntimeException)o); - } else { - return new InvocationTargetException((Throwable) o); - } - } - } catch (JMSException e) { - throw new JMSBindingException(e); - } - return extractPayload(msg); - } - - @Override - protected Object extractPayload(Message msg) { - try { - - return ((ObjectMessage)msg).getObject(); - - } catch (JMSException e) { - throw new JMSBindingException(e); - } - } - - // special methods for handling operations with single parameters - - public Message createJMSMessageForSingleParamOperation(Session session, Object o, boolean wrapSingleInput) { - if (session == null) { - logger.fine("no response session to create message: " + String.valueOf(o)); - return null; - } - try { - - ObjectMessage message = session.createObjectMessage(); - - if (o != null) { - if (!(o instanceof Serializable)) { - throw new IllegalStateException("JMS ObjectMessage payload not Serializable: " + o); - } - - // If the user has specifically requests that single parameters - // be wrapped then leave is as is as it will have already been - // wrapped by Tuscany. Otherwise unwrap it. - if (wrapSingleInput) { - message.setObject((Serializable) o); - } else { // unwrap from array - message.setObject((Serializable) ((Object[]) o)[0]); - } - - } - - return message; - - } catch (JMSException e) { - throw new JMSBindingException(e); - } - } - - public Object extractPayloadFromJMSMessageForSingleParamOperation(Message msg, Class<?> argType, boolean wrapSingle) { - // We always have a one arg operation if this method is called so we need to - // decide if the data on the wire is wrapped or not. This is the algorithm. - // - // If the payload is null then create an empty array and pass it on - // If the payload is not an array then it must represent an unwrapped - // single arg. Wrap it up and pass it on - // If the payload is an array then determine if it's a wrapped single arg or not - // If the service interface arg type matches the type of the array and not it's contents - // then it's an unwrapped argument so wrap it and pass it on - // If the service interface arg type matches the type of the contents and not the type - // of the array then the parameter is already wrapped so pass it on as is - // If the service interface arg type matches both the type of the - // array and the type of its contents then assume that the whole array is the - // parameter and decide whether to unwrap it or pass it on as is based on the - // setting of the wrapSingle attribute - // - - try { - Object payload = ((ObjectMessage) msg).getObject(); - - if (payload instanceof Throwable) { - if (payload instanceof RuntimeException) { - throw new ServiceRuntimeException("remote service exception, see nested exception", (RuntimeException) payload); - } else { - return new InvocationTargetException((Throwable) payload); - } - } - - if (payload == null) { - // methodA(null) was not wrapped on wire so wrap it here in order - // that it passes through the rest of the Tuscany wire successfully - return new Object[] { payload }; - } - - boolean payloadIsArray = payload.getClass().isArray(); - - // Non-array payload is single arg - if (!payloadIsArray) { - // methodB(arg) wasn't wrapped on wire so wrap it here in order - // that it passes through the rest of the Tuscany wire successfully - return new Object[] { payload }; - } else { - int size = ((Object[]) payload).length; - - // An initial quick check to determine whether the payload is not - // wrapped. If the array has anything other than a single entry - // then it's not the result of reference side wrapping so wrap it - // here and pass it on - if (size != 1) { - return new Object[] { payload }; - } - - // we know the array has only one entry now so get it - Object arrayContents = ((Object[]) payload)[0]; - - // Is the operation argument the same type as the array itself? - if (argType.isAssignableFrom(payload.getClass())) { - - // So we believe that the whole array is the argument but need - // to check what is in the array to be sure - if (arrayContents == null) { - // There is nothing in the array so it could be an accident that - // the array type matches the argument type, e.g. op(Object) - // so rely on the wrapSingle setting to choose - if (wrapSingle) { - return payload; - } else { - return new Object[] { payload }; - } - } else if (argType.isAssignableFrom(arrayContents.getClass())) { - // We can't tell as the argument type matches both the array type and - // the array contents type so use the wrapSingle setting to choose - if (wrapSingle) { - return payload; - } else { - return new Object[] { payload }; - } - } else { - // So by now we know the whole array is intended to be the - // parameter to wrap it and send it on - return new Object[] { payload }; - } - - } else { - // The array type doesn't match the argument type so assume that the - // array contents will match the argument type and that hence the - // parameter is already wrapped so just send it as is. If the contents - // type doesn't match the argument type a exception will be thrown further - // along the wire - return payload; - } - } - } catch (JMSException e) { - throw new JMSBindingException(e); - } - } - -} |