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author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
commit | a40e527938d76ba71f211da7e327adb50384ba69 (patch) | |
tree | cb8f99f1727122b040a3f0fbb6649292b6a74302 /sca-java-1.x/tags/1.0.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java | |
parent | 968721109881107520d7aefa91d7fcc0519d7739 (diff) |
Moving 1.x tags
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835157 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-1.x/tags/1.0.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java')
-rw-r--r-- | sca-java-1.x/tags/1.0.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.0.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java b/sca-java-1.x/tags/1.0.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java new file mode 100644 index 0000000000..6ecfe4e2ef --- /dev/null +++ b/sca-java-1.x/tags/1.0.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java @@ -0,0 +1,113 @@ +/* + * 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.util.IdentityHashMap; +import java.util.Map; + +import org.apache.tuscany.sca.databinding.DataBinding; +import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +public class PassByValueInterceptor implements Interceptor { + + private DataBindingExtensionPoint dataBindings; + private Operation operation; + + private Invoker nextInvoker; + + public PassByValueInterceptor(DataBindingExtensionPoint dataBindings, Operation operation) { + this.dataBindings = dataBindings; + this.operation = operation; + } + + public Message invoke(Message msg) { + Object obj = msg.getBody(); + msg.setBody(copy((Object[])obj)); + + Message resultMsg = nextInvoker.invoke(msg); + + if (!msg.isFault() && operation.getOutputType() != null) { + String dataBindingId = operation.getOutputType().getDataBinding(); + DataBinding dataBinding = dataBindings.getDataBinding(dataBindingId); + resultMsg.setBody(copy(resultMsg.getBody(), dataBinding)); + } + return resultMsg; + } + + public Object[] copy(Object[] args) { + if (args == null) { + return null; + } + Object[] copiedArgs = new Object[args.length]; + Map<Object, Object> map = new IdentityHashMap<Object, Object>(); + for (int i = 0; i < args.length; i++) { + if (args[i] == null) { + copiedArgs[i] = null; + } else { + Object copiedArg = map.get(args[i]); + if (copiedArg != null) { + copiedArgs[i] = copiedArg; + } else { + String dataBindingId = operation.getInputType().getLogical().get(i).getDataBinding(); + DataBinding dataBinding = dataBindings.getDataBinding(dataBindingId); + copiedArg = copy(args[i], dataBinding); + map.put(args[i], copiedArg); + copiedArgs[i] = copiedArg; + } + } + } + return copiedArgs; + } + + public Object copy(Object arg, DataBinding argDataBinding) { + if (arg == null) { + return null; + } + Object copiedArg; + if (argDataBinding != null) { + copiedArg = argDataBinding.copy(arg); + } else { + copiedArg = arg; + DataType<?> dataType = dataBindings.introspectType(arg); + if (dataType != null) { + DataBinding binding = dataBindings.getDataBinding(dataType.getDataBinding()); + if (binding != null) { + copiedArg = binding.copy(arg); + } + } + // FIXME: What to do if it's not recognized? + } + return copiedArg; + } + + public Invoker getNext() { + return nextInvoker; + } + + public void setNext(Invoker next) { + this.nextInvoker = next; + } + +} |