From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../sca/databinding/jaxb/JAXBWrapperHandler.java | 167 +++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java (limited to 'sca-java-2.x/branches/2.0/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java') diff --git a/sca-java-2.x/branches/2.0/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java b/sca-java-2.x/branches/2.0/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java new file mode 100644 index 0000000000..9b0c0dc8dc --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java @@ -0,0 +1,167 @@ +/* + * 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.databinding.jaxb; + +import java.lang.reflect.Method; +import java.security.AccessController; +import java.security.PrivilegedActionException; +import java.security.PrivilegedExceptionAction; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.databinding.WrapperHandler; +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; + +/** + * JAXB WrapperHandler implementation + * + * @version $Rev$ $Date$ + */ +public class JAXBWrapperHandler implements WrapperHandler { + private JAXBWrapperHelper helper = new JAXBWrapperHelper(); + + public Object create(Operation operation, boolean input) { + WrapperInfo inputWrapperInfo = operation.getInputWrapper(); + WrapperInfo outputWrapperInfo = operation.getOutputWrapper(); + + ElementInfo element = input ? inputWrapperInfo.getWrapperElement() : outputWrapperInfo.getWrapperElement(); + final Class wrapperClass = input ? inputWrapperInfo.getWrapperClass() : outputWrapperInfo.getWrapperClass(); + + try { + if (wrapperClass == null) { + return null; + } + return AccessController.doPrivileged(new PrivilegedExceptionAction() { + public Object run() throws Exception { + return wrapperClass.newInstance(); + } + }); + } catch (PrivilegedActionException e) { + throw new TransformationException(e); + } + } + + public void setChildren(Object wrapper, Object[] childObjects, Operation operation, boolean input) { + WrapperInfo inputWrapperInfo = operation.getInputWrapper(); + WrapperInfo outputWrapperInfo = operation.getOutputWrapper(); + + List childElements = + input ? inputWrapperInfo.getChildElements() : outputWrapperInfo.getChildElements(); + + List childNames = new ArrayList(); + Map values = new HashMap(); + for (int i = 0; i < childElements.size(); i++) { + ElementInfo e = childElements.get(i); + String name = e.getQName().getLocalPart(); + childNames.add(name); + values.put(name, childObjects[i]); + } + // Get the property descriptor map + Map pdMap = null; + try { + pdMap = XMLRootElementUtil.createPropertyDescriptorMap(wrapper.getClass()); + } catch (Throwable t) { + throw new JAXBWrapperException(t); + } + helper.wrap(wrapper, childNames, values, pdMap); + } + + public void setChild(Object wrapper, int i, ElementInfo childElement, Object value) { + Object wrapperValue = wrapper; + Class wrapperClass = wrapperValue.getClass(); + + // FIXME: We probably should use the jaxb-reflection to handle the properties + try { + String prop = childElement.getQName().getLocalPart(); + boolean collection = (value instanceof Collection); + Method getter = null; + for (Method m : wrapperClass.getMethods()) { + Class[] paramTypes = m.getParameterTypes(); + if (paramTypes.length == 1 && m.getName().equals("set" + capitalize(prop))) { + m.invoke(wrapperValue, new Object[] {value}); + return; + } + if (collection && paramTypes.length == 0 && m.getName().equals("get" + capitalize(prop))) { + getter = m; + } + } + if (getter != null && Collection.class.isAssignableFrom(getter.getReturnType())) { + ((Collection)getter.invoke(wrapperValue)).addAll((Collection)value); + } + + } catch (Throwable e) { + throw new TransformationException(e); + } + } + + private static String capitalize(String name) { + char first = Character.toUpperCase(name.charAt(0)); + return first + name.substring(1); + } + + /** + * @see org.apache.tuscany.sca.databinding.WrapperHandler#getChildren(java.lang.Object, Operation, boolean) + */ + public List getChildren(Object wrapper, Operation operation, boolean input) { + WrapperInfo inputWrapperInfo = operation.getInputWrapper(); + WrapperInfo outputWrapperInfo = operation.getOutputWrapper(); + + List childElements = input? inputWrapperInfo.getChildElements(): + outputWrapperInfo.getChildElements(); + + List childNames = new ArrayList(); + for (ElementInfo e : childElements) { + childNames.add(e.getQName().getLocalPart()); + } + return Arrays.asList(helper.unwrap(wrapper, childNames)); + } + + /** + * @see org.apache.tuscany.sca.databinding.WrapperHandler#getWrapperType(Operation, boolean) + */ + public DataType getWrapperType(Operation operation, boolean input) { + WrapperInfo inputWrapperInfo = operation.getInputWrapper(); + WrapperInfo outputWrapperInfo = operation.getOutputWrapper(); + + DataType dt = input ? inputWrapperInfo.getWrapperType() : outputWrapperInfo.getWrapperType(); + return dt; + } + + /** + * @see org.apache.tuscany.sca.databinding.WrapperHandler#isInstance(java.lang.Object, Operation, boolean) + */ + public boolean isInstance(Object wrapper, Operation operation, boolean input) { + WrapperInfo inputWrapperInfo = operation.getInputWrapper(); + WrapperInfo outputWrapperInfo = operation.getOutputWrapper(); + + Class wrapperClass = + input ? inputWrapperInfo.getWrapperClass() : outputWrapperInfo.getWrapperClass(); + + return wrapperClass == null ? false : wrapperClass.isInstance(wrapper); + } +} -- cgit v1.2.3