From 132aa8a77685ec92bc90c03f987650d275a7b639 Mon Sep 17 00:00:00 2001 From: lresende Date: Mon, 30 Sep 2013 06:59:11 +0000 Subject: 2.0.1 RC1 release tag git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1527464 13f79535-47bb-0310-9956-ffa450edef68 --- .../wire/DataTransformationInterceptor.java | 173 +++++++++++++++++++++ 1 file changed, 173 insertions(+) create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java') diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java new file mode 100644 index 0000000000..8b15d616ac --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java @@ -0,0 +1,173 @@ +/* + * 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.core.databinding.wire; + +import java.lang.reflect.Method; +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.sca.core.invocation.InterceptorAsyncImpl; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaOperation; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.Invocable; + +/** + * An interceptor to transform data across databindings on the wire + * + * @version $Rev$ $Date$ + */ +public class DataTransformationInterceptor extends InterceptorAsyncImpl { + + private Operation sourceOperation; + + private Operation targetOperation; + private Invocable invocable; + private Mediator mediator; + + public DataTransformationInterceptor(Invocable invocable, + Operation sourceOperation, + Operation targetOperation, + Mediator mediator) { + super(); + this.sourceOperation = sourceOperation; + this.targetOperation = targetOperation; + if ( sourceOperation instanceof JavaOperation ) { + JavaOperation javaOp = (JavaOperation) sourceOperation; + Method sourceMethod = javaOp.getJavaMethod(); + } + + this.mediator = mediator; + this.invocable = invocable; + } + + public Message processRequest(Message msg) { + Map metadata = new HashMap(); + metadata.put(Invocable.class.getName(), invocable); + Object input = mediator.mediateInput(msg.getBody(), sourceOperation, targetOperation, metadata); + msg.setBody(input); + return msg; + } + + public Message processResponse(Message msg) { + Message resultMsg = msg; + Map metadata = new HashMap(); + metadata.put(Invocable.class.getName(), invocable); + + if (sourceOperation.isNonBlocking()) { + // Not to reset the message body + return resultMsg; + } + + Object result = resultMsg.getBody(); + + if (resultMsg.isFault()) { + Object transformedFault = null; + if ((result instanceof Exception) && !(result instanceof RuntimeException)) { + transformedFault = mediator.mediateFault(result, sourceOperation, targetOperation, metadata); + if (transformedFault != result) { + resultMsg.setFaultBody(transformedFault); + } + } + // + // Leave it to another layer to actually throw the Exception which constitutes + // the message body. We don't throw it here. + // + } else { + assert !(result instanceof Throwable) : "Expected messages that are not throwable " + result; + Object newResult = mediator.mediateOutput(result, sourceOperation, targetOperation, metadata); + resultMsg.setBody(newResult); + } + + return resultMsg; + } + +/* + public Message invoke(Message msg) { + Map metadata = new HashMap(); + metadata.put(Invocable.class.getName(), invocable); + Object input = mediator.mediateInput(msg.getBody(), sourceOperation, targetOperation, metadata); + msg.setBody(input); + Message resultMsg = next.invoke(msg); + + if (sourceOperation.isNonBlocking()) { + // Not to reset the message body + return resultMsg; + } + + Object result = resultMsg.getBody(); + + if (resultMsg.isFault()) { + Object transformedFault = null; + if ((result instanceof Exception) && !(result instanceof RuntimeException)) { + transformedFault = mediator.mediateFault(result, sourceOperation, targetOperation, metadata); + if (transformedFault != result) { + resultMsg.setFaultBody(transformedFault); + } + } + // + // Leave it to another layer to actually throw the Exception which constitutes + // the message body. We don't throw it here. + // + } else { + assert !(result instanceof Throwable) : "Expected messages that are not throwable " + result; + Object newResult = mediator.mediateOutput(result, sourceOperation, targetOperation, metadata); + resultMsg.setBody(newResult); + } + + return resultMsg; + } +*/ + + + /** + * Returns return type for first Holder in input list. + * Returns null if the inputs do not contain a Holder. + */ + protected List> getHolderTypes( DataType> inputTypes ) { + ArrayList> returnTypes = new ArrayList>(); + if (inputTypes != null) { + + List logicalType = inputTypes.getLogical(); + if (logicalType != null) { + for (int i = 0; i < logicalType.size(); i++) { + DataType dataType = logicalType.get(i); + if (isHolder(dataType.getGenericType())) { + returnTypes.add(dataType); + } + } + } + } + return returnTypes; + } + + protected static boolean isHolder( Type type ) { + String typeString = type.toString(); + if ( typeString.startsWith( "javax.xml.ws.Holder" ) ) { + return true; + } + return false; + } +} -- cgit v1.2.3