diff options
| author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-07-19 02:50:53 +0000 |
|---|---|---|
| committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-07-19 02:50:53 +0000 |
| commit | f59fca36e7538cafbd6032003c7b06d64862a2bf (patch) | |
| tree | e5b1222e40a7abc8b945195df39ab97c5eb5729c /sandbox/sebastien/java/dynamic/modules/core-databinding | |
| parent | 1a8707aa6ad5e22117a9f17e88322a6ee824aa44 (diff) | |
Branch to experiment with dynamic component interfaces and implementations.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@965346 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/sebastien/java/dynamic/modules/core-databinding')
18 files changed, 1970 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/LICENSE b/sandbox/sebastien/java/dynamic/modules/core-databinding/LICENSE new file mode 100644 index 0000000000..8aa906c321 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/LICENSE @@ -0,0 +1,205 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed 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. + + + diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/META-INF/MANIFEST.MF b/sandbox/sebastien/java/dynamic/modules/core-databinding/META-INF/MANIFEST.MF new file mode 100644 index 0000000000..fe68b72498 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/META-INF/MANIFEST.MF @@ -0,0 +1,30 @@ +Manifest-Version: 1.0
+Private-Package: org.apache.tuscany.sca.core.databinding.module;versio
+ n="2.0.0",org.apache.tuscany.sca.core.databinding.processor;version="2.0.0",
+ org.apache.tuscany.sca.core.databinding.transformers;version="2.0.0"
+ ,org.apache.tuscany.sca.core.databinding.wire;version="2.0.0"
+SCA-Version: 1.1
+Bundle-Name: Apache Tuscany SCA Core/DataBinding Integration
+Bundle-Vendor: The Apache Software Foundation
+Bundle-Version: 2.0.0
+Bundle-ManifestVersion: 2
+Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt
+Bundle-Description: Apache Tuscany SCA Core/DataBinding Integration
+Import-Package: javax.xml.namespace,
+ org.apache.tuscany.sca.core;version="2.0.0",
+ org.apache.tuscany.sca.databinding;version="2.0.0",
+ org.apache.tuscany.sca.databinding.annotation;version="2.0.0",
+ org.apache.tuscany.sca.databinding.impl;version="2.0.0",
+ org.apache.tuscany.sca.databinding.javabeans;version="2.0.0",
+ org.apache.tuscany.sca.interfacedef;version="2.0.0",
+ org.apache.tuscany.sca.interfacedef.java;version="2.0.0",
+ org.apache.tuscany.sca.interfacedef.java.introspect;version="2.0.0",
+ org.apache.tuscany.sca.interfacedef.util;version="2.0.0",
+ org.apache.tuscany.sca.invocation;version="2.0.0",
+ org.apache.tuscany.sca.runtime;version="2.0.0",
+ org.oasisopen.sca;version="2.0.0"
+Bundle-SymbolicName: org.apache.tuscany.sca.core.databinding
+Bundle-DocURL: http://www.apache.org/
+Export-Package: org.apache.tuscany.sca.core.databinding.processor;
+ version="2.0.0";uses:="org.w3c.dom"
+Bundle-RequiredExecutionEnvironment: J2SE-1.5,JavaSE-1.6 diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/NOTICE b/sandbox/sebastien/java/dynamic/modules/core-databinding/NOTICE new file mode 100644 index 0000000000..ad2ba40961 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/NOTICE @@ -0,0 +1,6 @@ +${pom.name} +Copyright (c) 2005 - 2010 The Apache Software Foundation + +This product includes software developed by +The Apache Software Foundation (http://www.apache.org/). + diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/pom.xml b/sandbox/sebastien/java/dynamic/modules/core-databinding/pom.xml new file mode 100644 index 0000000000..53574b9a1e --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/pom.xml @@ -0,0 +1,91 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. +--> +<project> + <parent> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-modules</artifactId> + <version>2.0-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> + <modelVersion>4.0.0</modelVersion> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-core-databinding</artifactId> + <packaging>jar</packaging> + <name>Apache Tuscany SCA Core/DataBinding Integration</name> + + <dependencies> + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-databinding</artifactId> + <version>${project.version}</version> + <scope>compile</scope> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-core</artifactId> + <version>${project.version}</version> + <scope>compile</scope> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-core-spi</artifactId> + <version>${project.version}</version> + <scope>compile</scope> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-interface-java</artifactId> + <version>${project.version}</version> + <scope>compile</scope> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-interface-java-jaxws</artifactId> + <version>${project.version}</version> + <scope>runtime</scope> + </dependency> + + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-databinding-jaxb</artifactId> + <version>${project.version}</version> + <scope>runtime</scope> + </dependency> + + <dependency> + <groupId>org.codehaus.woodstox</groupId> + <artifactId>wstx-asl</artifactId> + <scope>runtime</scope> + <version>3.2.4</version> + <exclusions> + <exclusion> + <groupId>stax</groupId> + <artifactId>stax-api</artifactId> + </exclusion> + </exclusions> + </dependency> + + </dependencies> + +</project> diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/DataBindingJavaInterfaceProcessor.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/DataBindingJavaInterfaceProcessor.java new file mode 100644 index 0000000000..01a3c1813c --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/DataBindingJavaInterfaceProcessor.java @@ -0,0 +1,131 @@ +/* + * 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.processor; + +import java.lang.annotation.Annotation; +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.sca.databinding.annotation.DataBinding; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaOperation; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor; + +/** + * The databinding annotation processor for java interfaces + * + * @version $Rev$ $Date$ + */ +public class DataBindingJavaInterfaceProcessor implements JavaInterfaceVisitor { + private DataBindingExtensionPoint dataBindingRegistry; + + public DataBindingJavaInterfaceProcessor(ExtensionPointRegistry registry) { + super(); + this.dataBindingRegistry = registry.getExtensionPoint(DataBindingExtensionPoint.class); + } + + public void visitInterface(JavaInterface javaInterface) throws InvalidInterfaceException { + if (!javaInterface.isRemotable()) { + return; + } + List<Operation> operations = javaInterface.getOperations(); + processInterface(javaInterface, operations); + } + + private void processInterface(JavaInterface javaInterface, List<Operation> operations) { + Class<?> clazz = javaInterface.getJavaClass(); + DataBinding dataBinding = clazz.getAnnotation(DataBinding.class); + String dataBindingId = null; + boolean wrapperStyle = false; + if (dataBinding != null) { + dataBindingId = dataBinding.value(); + wrapperStyle = dataBinding.wrapped(); + } + + Map<String, Operation> opMap = new HashMap<String, Operation>(); + for (Operation op : javaInterface.getOperations()) { + opMap.put(op.getName(), op); + // In the case of @WebMethod, the method name can be different from the operation name + if (op instanceof JavaOperation) { + opMap.put(((JavaOperation)op).getJavaMethod().getName(), op); + } + if (dataBindingId != null) { + op.setDataBinding(dataBindingId); + op.setWrapperStyle(wrapperStyle); + } + } + for (Method method : clazz.getMethods()) { + if (method.getDeclaringClass() == Object.class) { + continue; + } + Operation operation = opMap.get(method.getName()); + if (operation == null) { // @WebMethod exclude=true + continue; + } + DataBinding methodDataBinding = clazz.getAnnotation(DataBinding.class); + if (methodDataBinding == null) { + methodDataBinding = dataBinding; + } + dataBindingId = null; + wrapperStyle = false; + if (dataBinding != null) { + dataBindingId = dataBinding.value(); + wrapperStyle = dataBinding.wrapped(); + operation.setDataBinding(dataBindingId); + operation.setWrapperStyle(wrapperStyle); + } + + // FIXME: We need a better way to identify simple java types + int i = 0; + for (org.apache.tuscany.sca.interfacedef.DataType<?> d : operation.getInputType().getLogical()) { + if (d.getDataBinding() == null) { + d.setDataBinding(dataBindingId); + } + for (Annotation a : method.getParameterAnnotations()[i]) { + if (a.annotationType() == org.apache.tuscany.sca.databinding.annotation.DataType.class) { + String value = ((org.apache.tuscany.sca.databinding.annotation.DataType)a).value(); + d.setDataBinding(value); + } + } + dataBindingRegistry.introspectType(d, operation); + i++; + } + if (operation.getOutputType() != null) { + DataType<?> d = operation.getOutputType(); + if (d.getDataBinding() == null) { + d.setDataBinding(dataBindingId); + } + org.apache.tuscany.sca.databinding.annotation.DataType dt = + method.getAnnotation(org.apache.tuscany.sca.databinding.annotation.DataType.class); + if (dt != null) { + d.setDataBinding(dt.value()); + } + dataBindingRegistry.introspectType(d, operation); + } + } + } +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/WrapperJavaInterfaceProcessor.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/WrapperJavaInterfaceProcessor.java new file mode 100644 index 0000000000..a5526ab031 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/WrapperJavaInterfaceProcessor.java @@ -0,0 +1,126 @@ +/* + * 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.processor; + +import java.util.HashSet; +import java.util.LinkedList; +import java.util.List; +import java.util.Set; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.sca.databinding.WrapperHandler; +import org.apache.tuscany.sca.databinding.javabeans.JavaBeansDataBinding; +import org.apache.tuscany.sca.databinding.javabeans.SimpleJavaDataBinding; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor; +import org.apache.tuscany.sca.interfacedef.util.WrapperInfo; + +/** + * The databinding annotation processor for java interfaces + * + * @version $Rev$ $Date$ + */ +public class WrapperJavaInterfaceProcessor implements JavaInterfaceVisitor { + private static final String JAXB_DATABINDING = "javax.xml.bind.JAXBElement"; + private DataBindingExtensionPoint dataBindingRegistry; + + public WrapperJavaInterfaceProcessor(ExtensionPointRegistry registry) { + super(); + this.dataBindingRegistry = registry.getExtensionPoint(DataBindingExtensionPoint.class); + } + + public void visitInterface(JavaInterface javaInterface) throws InvalidInterfaceException { + if (!javaInterface.isRemotable()) { + return; + } + for (Operation operation : javaInterface.getOperations()) { + WrapperInfo wrapper = operation.getWrapper(); + if (wrapper == null) { + continue; + } + // JIRA: TUSCANY-842 + String db = wrapper.getDataBinding(); + if (db == null || JAXB_DATABINDING.equals(db)) { + db = assignOperationDataBinding(operation); + } + + // Introspect the wrapper data type + org.apache.tuscany.sca.databinding.DataBinding dbObj = dataBindingRegistry.getDataBinding(db); + WrapperHandler handler = dbObj == null ? null : dbObj.getWrapperHandler(); + if (handler != null) { + wrapper.setInputWrapperType(handler.getWrapperType(operation, true)); + wrapper.setOutputWrapperType(handler.getWrapperType(operation, false)); + } + if (dbObj != null && handler == null) { + // To avoid JAXB wrapper bean generation + wrapper.setInputWrapperType(null); + wrapper.setOutputWrapperType(null); + } + } + } + + /* + * Assigns an operation DB if one of the input types, output type, fault types has a non-default DB. + * However, if two of the input types, output type, fault types have two different non-default DBs + * ( e.g. SDO and JAXB), then we do nothing to the operation DB. + * + * The method logic assumes the JavaBeans DataBinding is the default + */ + private String assignOperationDataBinding(Operation operation) { + + Set<String> dbs = new HashSet<String>(); + + // Can't use DataType<?> since operation.getInputType() returns: DataType<List<DataType>> + List<DataType> opDataTypes = new LinkedList<DataType>(); + + opDataTypes.addAll(operation.getInputType().getLogical()); + opDataTypes.add(operation.getOutputType()); + for (DataType<DataType> ft : operation.getFaultTypes()) { + opDataTypes.add(ft.getLogical()); + } + + for (DataType<?> d : opDataTypes) { + if (d != null) { + String dataBinding = d.getDataBinding(); + if ("java:array".equals(dataBinding)) { + dataBinding = ((DataType)d.getLogical()).getDataBinding(); + } + if (dataBinding != null) { + dbs.add(dataBinding); + } + } + } + + dbs.remove(JavaBeansDataBinding.NAME); + dbs.remove(SimpleJavaDataBinding.NAME); + + if (dbs.size() == 1) { + String db = dbs.iterator().next(); + operation.getWrapper().setDataBinding(db); + return db; + } else { + return operation.getWrapper().getDataBinding(); + } + } +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Array2ArrayTransformer.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Array2ArrayTransformer.java new file mode 100644 index 0000000000..4997a872ba --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Array2ArrayTransformer.java @@ -0,0 +1,104 @@ +/* + * 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.transformers; + +import java.lang.reflect.Array; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.databinding.BaseTransformer; +import org.apache.tuscany.sca.interfacedef.DataType; + +/** + * This is a special transformer to transform the output from one IDL to the + * other one + * + * @version $Rev$ $Date$ + */ +public class Array2ArrayTransformer extends BaseTransformer<Object, Object> implements PullTransformer<Object, Object> { + + protected Mediator mediator; + + public Array2ArrayTransformer(ExtensionPointRegistry registry) { + super(); + this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class); + } + + @Override + public String getSourceDataBinding() { + return "java:array"; + } + + @Override + public String getTargetDataBinding() { + return "java:array"; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getSourceType() + */ + @Override + protected Class<Object> getSourceType() { + return Object.class; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getTargetType() + */ + @Override + protected Class<Object> getTargetType() { + return Object.class; + } + + /** + * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() + */ + @Override + public int getWeight() { + return 10; + } + + @SuppressWarnings("unchecked") + public Object transform(Object array, TransformationContext context) { + try { + if (array == null) { + return null; + } + DataType<DataType> sourceType = context.getSourceDataType(); + DataType<DataType> targetType = context.getTargetDataType(); + int length = Array.getLength(array); + Object targetArray = Array.newInstance(targetType.getPhysical().getComponentType(), length); + for (int i = 0; i < length; i++) { + Object sourceItem = Array.get(array, i); + Object targetItem = + mediator.mediate(sourceItem, sourceType.getLogical(), targetType.getLogical(), context + .getMetadata()); + Array.set(targetArray, i, targetItem); + } + return targetArray; + } catch (Exception e) { + throw new TransformationException(e); + } + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Collection2CollectionTransformer.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Collection2CollectionTransformer.java new file mode 100644 index 0000000000..dcd3c3fda3 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Collection2CollectionTransformer.java @@ -0,0 +1,108 @@ +/* + * 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.transformers; + +import java.util.Collection; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.databinding.BaseTransformer; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.interfacedef.DataType; + +/** + * This is a special transformer to transform the output from one IDL to the + * other one + * + * @version $Rev$ $Date$ + */ +public class Collection2CollectionTransformer extends BaseTransformer<Collection, Collection> implements + PullTransformer<Collection, Collection> { + + private static final String JAVA_COLLECTION = "java:collection"; + protected Mediator mediator; + + public Collection2CollectionTransformer(ExtensionPointRegistry registry) { + super(); + this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class); + } + + @Override + public String getSourceDataBinding() { + return JAVA_COLLECTION; + } + + @Override + public String getTargetDataBinding() { + return JAVA_COLLECTION; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getSourceType() + */ + @Override + protected Class<Collection> getSourceType() { + return Collection.class; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getTargetType() + */ + @Override + protected Class<Collection> getTargetType() { + return Collection.class; + } + + /** + * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() + */ + @Override + public int getWeight() { + return 10; + } + + @SuppressWarnings("unchecked") + public Collection transform(Collection sourceCollection, TransformationContext context) { + try { + if (sourceCollection == null) { + return null; + } + DataType<DataType> sourceType = context.getSourceDataType(); + DataType<DataType> targetType = context.getTargetDataType(); + Collection targetCollection = createCollection(targetType.getPhysical()); + for (Object sourceItem : sourceCollection) { + Object targetItem = + mediator.mediate(sourceItem, sourceType.getLogical(), targetType.getLogical(), context + .getMetadata()); + targetCollection.add(targetItem); + } + return targetCollection; + } catch (Exception e) { + throw new TransformationException(e); + } + } + + private Collection createCollection(Class<?> collectionClass) throws Exception { + return (Collection) collectionClass.newInstance(); + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Exception2ExceptionTransformer.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Exception2ExceptionTransformer.java new file mode 100644 index 0000000000..e78610cce0 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Exception2ExceptionTransformer.java @@ -0,0 +1,112 @@ +/* + * 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.transformers; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.databinding.DataBinding; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.BaseTransformer; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.FaultExceptionMapper; + +/** + * This is a special transformer to transform the exception from one IDL to the + * other one + * + * @version $Rev$ $Date$ + */ +public class Exception2ExceptionTransformer extends BaseTransformer<Throwable, Throwable> implements + PullTransformer<Throwable, Throwable> { + + protected Mediator mediator; + protected FaultExceptionMapper faultExceptionMapper; + + public Exception2ExceptionTransformer(ExtensionPointRegistry registry) { + super(); + UtilityExtensionPoint utilityExtensionPoint = registry.getExtensionPoint(UtilityExtensionPoint.class); + this.mediator = utilityExtensionPoint.getUtility(Mediator.class); + this.faultExceptionMapper = utilityExtensionPoint.getUtility(FaultExceptionMapper.class); + } + + protected Exception2ExceptionTransformer(Mediator mediator, FaultExceptionMapper faultExceptionMapper) { + super(); + this.mediator = mediator; + this.faultExceptionMapper = faultExceptionMapper; + } + + @Override + public String getSourceDataBinding() { + return DataBinding.IDL_FAULT; + } + + @Override + public String getTargetDataBinding() { + return DataBinding.IDL_FAULT; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getSourceType() + */ + @Override + protected Class<Throwable> getSourceType() { + return Throwable.class; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getTargetType() + */ + @Override + protected Class<Throwable> getTargetType() { + return Throwable.class; + } + + /** + * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() + */ + @Override + public int getWeight() { + return 10000; + } + + @SuppressWarnings("unchecked") + public Throwable transform(Throwable source, TransformationContext context) { + DataType<DataType> sourceType = context.getSourceDataType(); + + DataType<DataType> targetType = context.getTargetDataType(); + + Object sourceFaultInfo = faultExceptionMapper.getFaultInfo(source, sourceType.getLogical().getPhysical(), context.getSourceOperation()); + Object targetFaultInfo = + mediator.mediate(sourceFaultInfo, sourceType.getLogical(), targetType.getLogical(), context.getMetadata()); + + Throwable targetException = + faultExceptionMapper.wrapFaultInfo(targetType, source.getMessage(), targetFaultInfo, source.getCause(), context.getTargetOperation()); + + // FIXME + return targetException == null ? source : targetException; + + } + + public void setFaultExceptionMapper(FaultExceptionMapper faultExceptionMapper) { + this.faultExceptionMapper = faultExceptionMapper; + } +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Input2InputTransformer.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Input2InputTransformer.java new file mode 100644 index 0000000000..2efc3578bd --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Input2InputTransformer.java @@ -0,0 +1,270 @@ +/* + * 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.transformers; + +import java.util.List; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.databinding.DataBinding; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.databinding.WrapperHandler; +import org.apache.tuscany.sca.databinding.BaseTransformer; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.util.ElementInfo; +import org.apache.tuscany.sca.interfacedef.util.WrapperInfo; +import org.apache.tuscany.sca.interfacedef.util.XMLType; + +/** + * This is a special transformer to transform the input from one IDL to the + * other one + * + * @version $Rev$ $Date$ + */ +public class Input2InputTransformer extends BaseTransformer<Object[], Object[]> implements + PullTransformer<Object[], Object[]> { + protected Mediator mediator; + + public Input2InputTransformer(ExtensionPointRegistry registry) { + super(); + this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class); + } + + @Override + public String getSourceDataBinding() { + return DataBinding.IDL_INPUT; + } + + @Override + public String getTargetDataBinding() { + return DataBinding.IDL_INPUT; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getSourceType() + */ + @Override + protected Class<Object[]> getSourceType() { + return Object[].class; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getTargetType() + */ + @Override + protected Class<Object[]> getTargetType() { + return Object[].class; + } + + /** + * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() + */ + @Override + public int getWeight() { + return 10000; + } + + /** + * Match the structure of the wrapper element. If it matches, then we can do + * wrapper to wrapper transformation. Otherwise, we do child to child. + * @param w1 + * @param w2 + * @return + */ + private boolean matches(WrapperInfo w1, WrapperInfo w2) { + if (w1 == null || w2 == null) { + return false; + } + if (!w1.getInputWrapperElement().equals(w2.getInputWrapperElement())) { + return false; + } + + // Compare the child elements + List<ElementInfo> list1 = w1.getInputChildElements(); + List<ElementInfo> list2 = w2.getInputChildElements(); + if (list1.size() != list2.size()) { + return false; + } + // FXIME: [rfeng] At this point, the J2W generates local elments under the namespace + // of the interface instead of "". We only compare the local parts only to work around + // the namespace mismatch + for (int i = 0; i < list1.size(); i++) { + String n1 = list1.get(i).getQName().getLocalPart(); + String n2 = list2.get(i).getQName().getLocalPart(); + if (!n1.equals(n2)) { + return false; + } + } + return true; + } + + @SuppressWarnings("unchecked") + public Object[] transform(Object[] source, TransformationContext context) { + // Check if the source operation is wrapped + DataType<List<DataType>> sourceType = context.getSourceDataType(); + Operation sourceOp = context.getSourceOperation(); + boolean sourceWrapped = sourceOp != null && sourceOp.isWrapperStyle() && sourceOp.getWrapper() != null; + boolean sourceBare = sourceOp != null && !sourceOp.isWrapperStyle() && sourceOp.getWrapper() == null; + + // Find the wrapper handler for source data + WrapperHandler sourceWrapperHandler = null; + String sourceDataBinding = getDataBinding(sourceOp); + sourceWrapperHandler = getWrapperHandler(sourceDataBinding, sourceWrapped); + + // Check if the target operation is wrapped + DataType<List<DataType>> targetType = context.getTargetDataType(); + Operation targetOp = (Operation)context.getTargetOperation(); + boolean targetWrapped = targetOp != null && targetOp.isWrapperStyle() && targetOp.getWrapper() != null; + boolean targetBare = targetOp != null && !targetOp.isWrapperStyle() && targetOp.getWrapper() == null; + + // Find the wrapper handler for target data + WrapperHandler targetWrapperHandler = null; + String targetDataBinding = getDataBinding(targetOp); + targetWrapperHandler = getWrapperHandler(targetDataBinding, targetWrapped); + + if ((!sourceWrapped && !sourceBare) && targetWrapped) { + // Unwrapped --> Wrapped + WrapperInfo wrapper = targetOp.getWrapper(); + // ElementInfo wrapperElement = wrapper.getInputWrapperElement(); + + // Class<?> targetWrapperClass = wrapper != null ? wrapper.getInputWrapperClass() : null; + + if (source == null) { + // Empty child elements + Object targetWrapper = targetWrapperHandler.create(targetOp, true); + return new Object[] {targetWrapper}; + } + + // If the source can be wrapped, wrapped it first + if (sourceWrapperHandler != null) { + WrapperInfo sourceWrapperInfo = sourceOp.getWrapper(); + DataType sourceWrapperType = sourceWrapperInfo != null ? sourceWrapperInfo.getInputWrapperType() : null; + + // We only do wrapper to wrapper transformation if the source has a wrapper and both sides + // match by XML structure + if (sourceWrapperType != null && matches(sourceOp.getWrapper(), targetOp.getWrapper())) { + Class<?> sourceWrapperClass = sourceWrapperType.getPhysical(); + + // Create the source wrapper + Object sourceWrapper = sourceWrapperHandler.create(sourceOp, true); + + // Populate the source wrapper + if (sourceWrapper != null) { + sourceWrapperHandler.setChildren(sourceWrapper, + source, + sourceOp, + true); + + // Transform the data from source wrapper to target wrapper + Object targetWrapper = + mediator.mediate(sourceWrapper, sourceWrapperType, targetType.getLogical().get(0), context + .getMetadata()); + return new Object[] {targetWrapper}; + } + } + } + // Fall back to child by child transformation + Object targetWrapper = targetWrapperHandler.create(targetOp, true); + List<DataType> argTypes = wrapper.getUnwrappedInputType().getLogical(); + Object[] targetChildren = new Object[source.length]; + for (int i = 0; i < source.length; i++) { + // ElementInfo argElement = wrapper.getInputChildElements().get(i); + DataType<XMLType> argType = argTypes.get(i); + targetChildren[i] = + mediator.mediate(source[i], sourceType.getLogical().get(i), argType, context.getMetadata()); + } + targetWrapperHandler.setChildren(targetWrapper, + targetChildren, + targetOp, + true); + return new Object[] {targetWrapper}; + + } else if (sourceWrapped && (!targetWrapped && !targetBare)) { + // Wrapped to Unwrapped + Object sourceWrapper = source[0]; + Object[] target = null; + + // List<ElementInfo> childElements = sourceOp.getWrapper().getInputChildElements(); + if (targetWrapperHandler != null) { + // ElementInfo wrapperElement = sourceOp.getWrapper().getInputWrapperElement(); + // FIXME: This is a workaround for the wsdless support as it passes in child elements + // under the wrapper that only matches by position + if (sourceWrapperHandler.isInstance(sourceWrapper, sourceOp, true)) { + + WrapperInfo targetWrapperInfo = targetOp.getWrapper(); + DataType targetWrapperType = + targetWrapperInfo != null ? targetWrapperInfo.getInputWrapperType() : null; + if (targetWrapperType != null && matches(sourceOp.getWrapper(), targetOp.getWrapper())) { + Object targetWrapper = + mediator.mediate(sourceWrapper, sourceType.getLogical().get(0), targetWrapperType, context + .getMetadata()); + target = targetWrapperHandler.getChildren(targetWrapper, targetOp, true).toArray(); + return target; + } + } + } + Object[] sourceChildren = sourceWrapperHandler.getChildren(sourceWrapper, sourceOp, true).toArray(); + target = new Object[sourceChildren.length]; + for (int i = 0; i < sourceChildren.length; i++) { + DataType<XMLType> childType = sourceOp.getWrapper().getUnwrappedInputType().getLogical().get(i); + target[i] = + mediator.mediate(sourceChildren[i], childType, targetType.getLogical().get(i), context + .getMetadata()); + } + return target; + } else { + // Assuming wrapper to wrapper conversion can be handled here as well + Object[] newArgs = new Object[source.length]; + for (int i = 0; i < source.length; i++) { + Object child = + mediator.mediate(source[i], sourceType.getLogical().get(i), targetType.getLogical().get(i), context + .getMetadata()); + newArgs[i] = child; + } + return newArgs; + } + } + + private WrapperHandler getWrapperHandler(String dataBindingId, boolean required) { + WrapperHandler wrapperHandler = null; + if (dataBindingId != null) { + DataBinding dataBinding = mediator.getDataBindings().getDataBinding(dataBindingId); + wrapperHandler = dataBinding == null ? null : dataBinding.getWrapperHandler(); + } + if (wrapperHandler == null && required) { + throw new TransformationException("No wrapper handler is provided for databinding: " + dataBindingId); + } + return wrapperHandler; + } + + private String getDataBinding(Operation operation) { + WrapperInfo wrapper = operation.getWrapper(); + if (wrapper != null) { + return wrapper.getDataBinding(); + } else { + return null; + } + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Map2MapTransformer.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Map2MapTransformer.java new file mode 100644 index 0000000000..5be7ba1da4 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Map2MapTransformer.java @@ -0,0 +1,108 @@ +/* + * 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.transformers; + +import java.util.Map; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.databinding.BaseTransformer; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.interfacedef.DataType; + +/** + * This is a special transformer to transform the output from one IDL to the + * other one + * + * @version $Rev$ $Date$ + */ +public class Map2MapTransformer extends BaseTransformer<Map, Map> implements PullTransformer<Map, Map> { + + private static final String JAVA_MAP = "java:map"; + protected Mediator mediator; + + public Map2MapTransformer(ExtensionPointRegistry registry) { + super(); + this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class); + } + + @Override + public String getSourceDataBinding() { + return JAVA_MAP; + } + + @Override + public String getTargetDataBinding() { + return JAVA_MAP; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getSourceType() + */ + @Override + protected Class<Map> getSourceType() { + return Map.class; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getTargetType() + */ + @Override + protected Class<Map> getTargetType() { + return Map.class; + } + + /** + * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() + */ + @Override + public int getWeight() { + return 10; + } + + @SuppressWarnings("unchecked") + public Map transform(Map sourceMap, TransformationContext context) { + try { + if (sourceMap == null) { + return null; + } + DataType<DataType> sourceType = context.getSourceDataType(); + DataType<DataType> targetType = context.getTargetDataType(); + Map targetMap = createMap(targetType.getPhysical()); + for (Object sourceItem : sourceMap.entrySet()) { + Map.Entry entry = (Map.Entry)sourceItem; + Object targetValue = + mediator.mediate(entry.getValue(), sourceType.getLogical(), targetType.getLogical(), context + .getMetadata()); + targetMap.put(entry.getKey(), targetValue); + } + return targetMap; + } catch (Exception e) { + throw new TransformationException(e); + } + } + + private Map createMap(Class<?> collectionClass) throws Exception { + return (Map)collectionClass.newInstance(); + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Output2OutputTransformer.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Output2OutputTransformer.java new file mode 100644 index 0000000000..71dcc654eb --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Output2OutputTransformer.java @@ -0,0 +1,251 @@ +/* + * 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.transformers; + +import java.util.List; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.databinding.DataBinding; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.databinding.WrapperHandler; +import org.apache.tuscany.sca.databinding.BaseTransformer; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.util.ElementInfo; +import org.apache.tuscany.sca.interfacedef.util.WrapperInfo; +import org.apache.tuscany.sca.interfacedef.util.XMLType; + +/** + * This is a special transformer to transform the output from one IDL to the + * other one + * + * @version $Rev$ $Date$ + */ +public class Output2OutputTransformer extends BaseTransformer<Object, Object> implements + PullTransformer<Object, Object> { + + protected Mediator mediator; + + /** + * @param wrapperHandler + */ + public Output2OutputTransformer(ExtensionPointRegistry registry) { + super(); + this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class); + } + + @Override + public String getSourceDataBinding() { + return DataBinding.IDL_OUTPUT; + } + + @Override + public String getTargetDataBinding() { + return DataBinding.IDL_OUTPUT; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getSourceType() + */ + @Override + protected Class<Object> getSourceType() { + return Object.class; + } + + /** + * @see org.apache.tuscany.sca.databinding.BaseTransformer#getTargetType() + */ + @Override + protected Class<Object> getTargetType() { + return Object.class; + } + + /** + * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() + */ + @Override + public int getWeight() { + return 10; + } + + private String getDataBinding(Operation operation) { + WrapperInfo wrapper = operation.getWrapper(); + if (wrapper != null) { + return wrapper.getDataBinding(); + } else { + return null; + } + } + + private WrapperHandler getWrapperHandler(String dataBindingId, boolean required) { + WrapperHandler wrapperHandler = null; + if (dataBindingId != null) { + DataBinding dataBinding = mediator.getDataBindings().getDataBinding(dataBindingId); + wrapperHandler = dataBinding == null ? null : dataBinding.getWrapperHandler(); + } + if (wrapperHandler == null && required) { + throw new TransformationException("No wrapper handler is provided for databinding: " + dataBindingId); + } + return wrapperHandler; + } + + /** + * Match the structure of the wrapper element. If it matches, then we can do + * wrapper to wrapper transformation. Otherwise, we do child to child. + * @param w1 + * @param w2 + * @return + */ + private boolean matches(WrapperInfo w1, WrapperInfo w2) { + if (w1 == null || w2 == null) { + return false; + } + if (!w1.getOutputWrapperElement().equals(w2.getOutputWrapperElement())) { + return false; + } + + // Compare the child elements + List<ElementInfo> list1 = w1.getOutputChildElements(); + List<ElementInfo> list2 = w2.getOutputChildElements(); + if (list1.size() != list2.size()) { + return false; + } + // FXIME: [rfeng] At this point, the J2W generates local elments under the namespace + // of the interface instead of "". We only compare the local parts only to work around + // the namespace mismatch + for (int i = 0; i < list1.size(); i++) { + String n1 = list1.get(i).getQName().getLocalPart(); + String n2 = list2.get(i).getQName().getLocalPart(); + if (!n1.equals(n2)) { + return false; + } + } + return true; + } + + @SuppressWarnings("unchecked") + public Object transform(Object response, TransformationContext context) { + try { + DataType<DataType> sourceType = context.getSourceDataType(); + Operation sourceOp = context.getSourceOperation(); + boolean sourceWrapped = sourceOp != null && sourceOp.isWrapperStyle() && sourceOp.getWrapper() != null; + boolean sourceBare = sourceOp != null && !sourceOp.isWrapperStyle() && sourceOp.getWrapper() == null; + + WrapperHandler sourceWrapperHandler = null; + String sourceDataBinding = getDataBinding(sourceOp); + sourceWrapperHandler = getWrapperHandler(sourceDataBinding, sourceWrapped); + + DataType<DataType> targetType = context.getTargetDataType(); + Operation targetOp = (Operation)context.getTargetOperation(); + boolean targetWrapped = targetOp != null && targetOp.isWrapperStyle() && targetOp.getWrapper() != null; + boolean targetBare = targetOp != null && !targetOp.isWrapperStyle() && targetOp.getWrapper() == null; + + WrapperHandler targetWrapperHandler = null; + String targetDataBinding = getDataBinding(targetOp); + targetWrapperHandler = getWrapperHandler(targetDataBinding, targetWrapped); + + if ((!sourceWrapped &&!sourceBare) && targetWrapped) { + // Unwrapped --> Wrapped + WrapperInfo wrapper = targetOp.getWrapper(); + ElementInfo wrapperElement = wrapper.getOutputWrapperElement(); + List<ElementInfo> childElements = wrapper.getOutputChildElements(); + Class<?> targetWrapperClass = wrapper != null ? wrapper.getOutputWrapperClass() : null; + + // If the source can be wrapped, wrapped it first + if (sourceWrapperHandler != null) { + WrapperInfo sourceWrapperInfo = sourceOp.getWrapper(); + DataType sourceWrapperType = + sourceWrapperInfo != null ? sourceWrapperInfo.getOutputWrapperType() : null; + + if (sourceWrapperType != null && matches(sourceOp.getWrapper(), targetOp.getWrapper())) { + Class<?> sourceWrapperClass = sourceWrapperType.getPhysical(); + + Object sourceWrapper = sourceWrapperHandler.create(sourceOp, false); + if (sourceWrapper != null) { + if (!childElements.isEmpty()) { + // Set the return value + sourceWrapperHandler.setChildren(sourceWrapper, + new Object[] {response}, + sourceOp, + false); + } + Object targetWrapper = + mediator.mediate(sourceWrapper, sourceWrapperType, targetType.getLogical(), context + .getMetadata()); + return targetWrapper; + } + } + } + Object targetWrapper = targetWrapperHandler.create(targetOp, false); + + if (childElements.isEmpty()) { + // void output + return targetWrapper; + } + + DataType<XMLType> argType = wrapper.getUnwrappedOutputType(); + Object child = response; + child = mediator.mediate(response, sourceType.getLogical(), argType, context.getMetadata()); + targetWrapperHandler.setChildren(targetWrapper, new Object[] {child}, targetOp, false); + return targetWrapper; + } else if (sourceWrapped && (!targetWrapped && !targetBare)) { + // Wrapped to Unwrapped + Object sourceWrapper = response; + List<ElementInfo> childElements = sourceOp.getWrapper().getOutputChildElements(); + if (childElements.isEmpty()) { + // The void output + return null; + } + if (targetWrapperHandler != null) { + ElementInfo wrapperElement = sourceOp.getWrapper().getOutputWrapperElement(); + + // FIXME: This is a workaround for the wsdless support as it passes in child elements + // under the wrapper that only matches by position + if (sourceWrapperHandler.isInstance(sourceWrapper, sourceOp, false)) { + + WrapperInfo targetWrapperInfo = targetOp.getWrapper(); + DataType targetWrapperType = + targetWrapperInfo != null ? targetWrapperInfo.getOutputWrapperType() : null; + + if (targetWrapperType != null && matches(sourceOp.getWrapper(), targetOp.getWrapper())) { + Object targetWrapper = + mediator.mediate(sourceWrapper, sourceType.getLogical(), targetWrapperType, context + .getMetadata()); + return targetWrapperHandler.getChildren(targetWrapper, targetOp, false).get(0); + } + } + } + Object child = sourceWrapperHandler.getChildren(sourceWrapper, sourceOp, false).get(0); + DataType<?> childType = sourceOp.getWrapper().getUnwrappedOutputType(); + return mediator.mediate(child, childType, targetType.getLogical(), context.getMetadata()); + } else { + // FIXME: Do we want to handle wrapped to wrapped? + return mediator.mediate(response, sourceType.getLogical(), targetType.getLogical(), context + .getMetadata()); + } + } catch (Exception e) { + throw new TransformationException(e); + } + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java new file mode 100644 index 0000000000..0e615519f1 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java @@ -0,0 +1,184 @@ +/* + * 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.List; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Phase; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; +import org.apache.tuscany.sca.runtime.RuntimeWireProcessor; + +/** + * This processor is responsible to add an interceptor to invocation chain if + * the source and target operations have different databinding requirements + * + * @version $Rev$ $Date$ + */ +public class DataBindingRuntimeWireProcessor implements RuntimeWireProcessor { + private Mediator mediator; + + public DataBindingRuntimeWireProcessor(ExtensionPointRegistry registry) { + super(); + this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class); + } + + public boolean isTransformationRequired(DataType source, DataType target) { + if (source == null || target == null) { // void return type + return false; + } + if (source == target) { + return false; + } + + // Output type can be null + if (source == null && target == null) { + return false; + } else if (source == null || target == null) { + return true; + } + String sourceDataBinding = source.getDataBinding(); + String targetDataBinding = target.getDataBinding(); + if (sourceDataBinding == targetDataBinding) { + return false; + } + if (sourceDataBinding == null || targetDataBinding == null) { + // TODO: If any of the databinding is null, then no transformation + return false; + } + return !sourceDataBinding.equals(targetDataBinding); + } + + public boolean isTransformationRequired(Operation source, Operation target) { + if (source == target) { + return false; + } + + if (source.isWrapperStyle() != target.isWrapperStyle()) { + return true; + } + + // Check output type + DataType sourceOutputType = source.getOutputType(); + DataType targetOutputType = target.getOutputType(); + + // Note the target output type is now the source for checking + // compatibility + if (isTransformationRequired(targetOutputType, sourceOutputType)) { + return true; + } + + List<DataType> sourceInputType = source.getInputType().getLogical(); + List<DataType> targetInputType = target.getInputType().getLogical(); + + int size = sourceInputType.size(); + if (size != targetInputType.size()) { + // TUSCANY-1682: The wrapper style may have different arguments + return true; + } + for (int i = 0; i < size; i++) { + if (isTransformationRequired(sourceInputType.get(i), targetInputType.get(i))) { + return true; + } + } + + return false; + } + + private boolean isTransformationRequired(InterfaceContract sourceContract, + Operation sourceOperation, + InterfaceContract targetContract, + Operation targetOperation) { + if (targetContract == null) { + targetContract = sourceContract; + } + if (sourceContract == targetContract) { + return false; + } + return isTransformationRequired(sourceOperation, targetOperation); + } + + public void process(RuntimeEndpoint endpoint) { + InterfaceContract sourceContract = endpoint.getBindingInterfaceContract(); + InterfaceContract targetContract = endpoint.getComponentTypeServiceInterfaceContract(); + if (targetContract == null) { + targetContract = sourceContract; + } + + if (!sourceContract.getInterface().isRemotable()) { + return; + } + List<InvocationChain> chains = endpoint.getInvocationChains(); + for (InvocationChain chain : chains) { + Operation sourceOperation = chain.getSourceOperation(); + Operation targetOperation = chain.getTargetOperation(); + + Interceptor interceptor = null; + if (isTransformationRequired(sourceContract, sourceOperation, targetContract, targetOperation)) { + // Add the interceptor to the source side because multiple + // references can be wired to the same service + interceptor = new DataTransformationInterceptor(endpoint, sourceOperation, targetOperation, mediator); + } + if (interceptor != null) { + String phase = Phase.SERVICE_INTERFACE; + chain.addInterceptor(phase, interceptor); + } + } + + } + + public void process(RuntimeEndpointReference endpointReference) { + InterfaceContract sourceContract = endpointReference.getComponentTypeReferenceInterfaceContract(); + InterfaceContract targetContract = endpointReference.getBindingInterfaceContract(); + if (targetContract == null) { + targetContract = sourceContract; + } + + if (sourceContract == null || !sourceContract.getInterface().isRemotable()) { + return; + } + List<InvocationChain> chains = endpointReference.getInvocationChains(); + for (InvocationChain chain : chains) { + Operation sourceOperation = chain.getSourceOperation(); + Operation targetOperation = chain.getTargetOperation(); + + Interceptor interceptor = null; + if (isTransformationRequired(sourceContract, sourceOperation, targetContract, targetOperation)) { + // Add the interceptor to the source side because multiple + // references can be wired to the same service + interceptor = new DataTransformationInterceptor(endpointReference, sourceOperation, targetOperation, mediator); + } + if (interceptor != null) { + String phase = Phase.REFERENCE_INTERFACE; + chain.addInterceptor(phase, interceptor); + } + } + + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java new file mode 100644 index 0000000000..de29088c1d --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java @@ -0,0 +1,98 @@ +/* + * 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.HashMap; +import java.util.Map; + +import org.apache.tuscany.sca.databinding.Mediator; +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; +import org.apache.tuscany.sca.runtime.Invocable; + +/** + * An interceptor to transform data across databindings on the wire + * + * @version $Rev$ $Date$ + */ +public class DataTransformationInterceptor implements Interceptor { + private Invoker next; + + 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; + this.mediator = mediator; + this.invocable = invocable; + } + + public Invoker getNext() { + return next; + } + + public Message invoke(Message msg) { + Map<String, Object> metadata = new HashMap<String, Object>(); + metadata.put(Invocable.class.getName(), invocable); + Object input = mediator.mediateInput(msg.getBody(), sourceOperation, targetOperation, metadata); + msg.setBody(input); + Message resultMsg = next.invoke(msg); + Object result = resultMsg.getBody(); + if (sourceOperation.isNonBlocking()) { + // Not to reset the message body + return resultMsg; + } + + 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 void setNext(Invoker next) { + this.next = next; + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java new file mode 100644 index 0000000000..44e5072e61 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java @@ -0,0 +1,80 @@ +/* + * 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 org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +/** + * Implementation of an interceptor that enforces pass-by-value semantics + * on operation invocations by copying the operation input and output data. + * + * @version $Rev$ $Date$ + */ +public class PassByValueInterceptor implements Interceptor { + + private Mediator mediator; + private Operation operation; + private Invoker nextInvoker; + private InvocationChain chain; + + /** + * Constructs a new PassByValueInterceptor. + * @param dataBindings databinding extension point + * @param operation the intercepted operation + */ + public PassByValueInterceptor(Mediator mediator, InvocationChain chain, Operation operation) { + this.mediator = mediator; + this.chain = chain; + this.operation = operation; + } + + public Message invoke(Message msg) { + if (chain.allowsPassByReference()) { + return nextInvoker.invoke(msg); + } + + msg.setBody(mediator.copyInput(msg.getBody(), operation)); + + Message resultMsg = nextInvoker.invoke(msg); + + if (!resultMsg.isFault() && operation.getOutputType() != null) { + resultMsg.setBody(mediator.copyOutput(resultMsg.getBody(), operation)); + } + + if (resultMsg.isFault()) { + resultMsg.setFaultBody(mediator.copyFault(resultMsg.getBody(), operation)); + } + return resultMsg; + } + + public Invoker getNext() { + return nextInvoker; + } + + public void setNext(Invoker next) { + this.nextInvoker = next; + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.PullTransformer b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.PullTransformer new file mode 100644 index 0000000000..a1f5d37ff3 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.PullTransformer @@ -0,0 +1,30 @@ +# 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.
+
+# Implementation classes for special transformers
+#
+# Java array --> Java array
+org.apache.tuscany.sca.core.databinding.transformers.Array2ArrayTransformer;source=java:array,target=java:array,weight=10,public=false
+# Java exception --> Java exception
+org.apache.tuscany.sca.core.databinding.transformers.Exception2ExceptionTransformer;source=idl:fault,target=idl:fault,weight=10,public=false
+# Input to Input
+org.apache.tuscany.sca.core.databinding.transformers.Input2InputTransformer;source=idl:input,target=idl:input,weight=10,public=false
+# Output to Output
+org.apache.tuscany.sca.core.databinding.transformers.Output2OutputTransformer;source=idl:output,target=idl:output,weight=10,public=false
+# Group to Group
+org.apache.tuscany.sca.databinding.impl.Group2GroupTransformer;source=databinding:group,target=databinding:group,weight=10,public=false
+
diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor new file mode 100644 index 0000000000..875814fccc --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor @@ -0,0 +1,19 @@ +# 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. + +org.apache.tuscany.sca.core.databinding.processor.DataBindingJavaInterfaceProcessor;ranking=300 +org.apache.tuscany.sca.core.databinding.processor.WrapperJavaInterfaceProcessor;ranking=200
diff --git a/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.RuntimeWireProcessor b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.RuntimeWireProcessor new file mode 100644 index 0000000000..dfd86a3a53 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core-databinding/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.RuntimeWireProcessor @@ -0,0 +1,17 @@ +# 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.
+org.apache.tuscany.sca.core.databinding.wire.DataBindingRuntimeWireProcessor
|