diff options
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/1.2/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.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/1.2/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java')
-rw-r--r-- | sca-java-1.x/tags/1.2/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.2/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java b/sca-java-1.x/tags/1.2/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java new file mode 100644 index 0000000000..c3e97a4818 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java @@ -0,0 +1,175 @@ +/* + * 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.util.ArrayList; +import java.util.List; + +import javax.xml.bind.JAXBElement; +import javax.xml.bind.annotation.XmlElementDecl; +import javax.xml.bind.annotation.XmlRegistry; +import javax.xml.bind.annotation.XmlType; +import javax.xml.namespace.QName; + +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.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl; +import org.apache.tuscany.sca.interfacedef.util.ElementInfo; +import org.apache.tuscany.sca.interfacedef.util.XMLType; + +/** + * JAXB WrapperHandler implementation + */ +public class JAXBWrapperHandler implements WrapperHandler<JAXBElement<?>> { + + public JAXBElement<?> create(ElementInfo element, TransformationContext context) { + try { + // FIXME: How do we map the global element to a factory? + String packageName = null; + String factoryClassName = packageName + ".ObjectFactory"; + ClassLoader classLoader = context != null ? context.getClassLoader() : null; + if (classLoader == null) { + //FIXME Understand why we need this, the classloader should be passed in + classLoader = Thread.currentThread().getContextClassLoader(); + } + Class<?> factoryClass = Class.forName(factoryClassName, true, classLoader); + assert factoryClass.isAnnotationPresent(XmlRegistry.class); + Object factory = factoryClass.newInstance(); + QName elementName = element.getQName(); + Method method = null; + for (Method m : factoryClass.getMethods()) { + XmlElementDecl xmlElement = m.getAnnotation(XmlElementDecl.class); + QName name = new QName(xmlElement.namespace(), xmlElement.name()); + if (xmlElement != null && name.equals(elementName)) { + method = m; + break; + } + } + if (method != null) { + Class typeClass = method.getParameterTypes()[0]; + Object value = typeClass.newInstance(); + return (JAXBElement<?>)method.invoke(factory, new Object[] {value}); + } else { + throw new TransformationException("ObjectFactory cannot be resolved."); + } + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public void setChild(JAXBElement<?> wrapper, int i, ElementInfo childElement, Object value) { + Object wrapperValue = wrapper.getValue(); + Class<?> wrapperClass = wrapperValue.getClass(); + + XmlType xmlType = wrapperClass.getAnnotation(XmlType.class); + String[] properties = xmlType.propOrder(); + String property = properties[i]; + + try { + for (Method m : wrapperClass.getMethods()) { + if (m.getName().equals("set" + capitalize(property))) { + m.invoke(wrapperValue, new Object[] {value}); + return; + } + } + } 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, List, TransformationContext) + */ + public List getChildren(JAXBElement<?> wrapper, List<ElementInfo> childElements, TransformationContext context) { + Object wrapperValue = wrapper.getValue(); + Class<?> wrapperClass = wrapperValue.getClass(); + + XmlType xmlType = wrapperClass.getAnnotation(XmlType.class); + String[] properties = xmlType.propOrder(); + List<Object> elements = new ArrayList<Object>(); + for (String p : properties) { + try { + Method method = wrapperClass.getMethod("get" + capitalize(p), (Class[])null); + Object value = method.invoke(wrapperValue, (Object[])null); + elements.add(value); + } catch (Throwable e) { + throw new TransformationException(e); + } + } + return elements; + } + + /** + * @see org.apache.tuscany.sca.databinding.WrapperHandler#getWrapperType(org.apache.tuscany.sca.interfacedef.util.ElementInfo, List, org.apache.tuscany.sca.databinding.TransformationContext) + */ + public DataType getWrapperType(ElementInfo element, List<ElementInfo> childElements, TransformationContext context) { + try { + // FIXME: How do we map the global element to a factory? + String packageName = null; + String factoryClassName = packageName + ".ObjectFactory"; + ClassLoader classLoader = context != null ? context.getClassLoader() : null; + if (classLoader == null) { + //FIXME Understand why we need this, the classloader should be passed in + classLoader = Thread.currentThread().getContextClassLoader(); + } + Class<?> factoryClass = Class.forName(factoryClassName, true, classLoader); + assert factoryClass.isAnnotationPresent(XmlRegistry.class); + QName elementName = element.getQName(); + Method method = null; + for (Method m : factoryClass.getMethods()) { + XmlElementDecl xmlElement = m.getAnnotation(XmlElementDecl.class); + QName name = new QName(xmlElement.namespace(), xmlElement.name()); + if (xmlElement != null && name.equals(elementName)) { + method = m; + break; + } + } + if (method != null) { + Class typeClass = method.getParameterTypes()[0]; + DataType<XMLType> wrapperType = + new DataTypeImpl<XMLType>(JAXBDataBinding.NAME, typeClass, new XMLType(element)); + return wrapperType; + } + + return null; + } catch (Throwable e) { + return null; + } + } + + /** + * @see org.apache.tuscany.sca.databinding.WrapperHandler#isInstance(java.lang.Object, org.apache.tuscany.sca.interfacedef.util.ElementInfo, java.util.List, org.apache.tuscany.sca.databinding.TransformationContext) + */ + public boolean isInstance(Object wrapper, + ElementInfo element, + List<ElementInfo> childElements, + TransformationContext context) { + // TODO: Implement the logic + return true; + } +} |