1 files changed, 107 insertions, 0 deletions
diff --git a/branches/sca-java-1.0.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBExceptionHandler.java b/branches/sca-java-1.0.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBExceptionHandler.java
new file mode 100644
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+++ b/branches/sca-java-1.0.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBExceptionHandler.java
@@ -0,0 +1,107 @@
+/*
+ * 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.Constructor;
+import java.lang.reflect.Method;
+
+import javax.xml.namespace.QName;
+import javax.xml.ws.WebFault;
+
+import org.apache.tuscany.sca.databinding.ExceptionHandler;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+
+/**
+ * JAXB implementation of ExceptionHandler
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JAXBExceptionHandler implements ExceptionHandler {
+    private static final Class[] EMPTY_CLASS_ARRAY = new Class[0];
+
+    /**
+     * <ul>
+     * <li>WrapperException(String message, FaultBean faultInfo) <br>
+     * A constructor where WrapperException is replaced with the name of the
+     * generated wrapper exception and FaultBean is replaced by the name of the
+     * generated fault bean.
+     * <li> WrapperException(String message, FaultBean faultInfo, Throwable
+     * cause) <br>
+     * A constructor whereWrapperException is replaced with the name of the
+     * generated wrapper exception and FaultBean is replaced by the name of the
+     * generated fault bean. The last argument, cause, may be used to convey
+     * protocol specific fault information
+     * </ul>
+     */
+    public Exception createException(DataType<DataType> exceptionType, String message, Object faultInfo, Throwable cause) {
+        Class exceptionClass = exceptionType.getPhysical();
+        DataType<?> faultBeanType = exceptionType.getLogical();
+        Class faultBeanClass = faultBeanType.getPhysical();
+        try {
+            Constructor constructor =
+                exceptionClass.getConstructor(new Class[] {String.class, faultBeanClass, Throwable.class});
+            return (Exception)constructor.newInstance(new Object[] {message, faultInfo, cause});
+        } catch (Throwable e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+    public Object getFaultInfo(Exception exception) {
+        if (exception == null) {
+            return null;
+        }
+        try {
+            Method method = exception.getClass().getMethod("getFaultInfo", EMPTY_CLASS_ARRAY);
+            return method.invoke(exception, (Object[])null);
+        } catch (Throwable e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+    public DataType<?> getFaultType(DataType exDataType) {
+        Class<?> exceptionType  = exDataType.getPhysical();
+        WebFault webFault = exceptionType.getAnnotation(WebFault.class);
+        if (webFault == null) {
+            return null;
+        } else {
+            QName element = new QName(webFault.targetNamespace(), webFault.name());
+            // TODO: Need to determine the fault bean class
+            // String faultBean = webFault.faultBean();
+            Class faultBeanClass = null;
+            try {
+                Method method = exceptionType.getMethod("getFaultInfo", EMPTY_CLASS_ARRAY);
+                faultBeanClass = method.getReturnType();
+            } catch (NoSuchMethodException e) {
+                faultBeanClass = null;
+            }
+            // The logical type of a fault is the QName of the element that the
+            // only part in
+            // the fault message references
+            DataType<XMLType> faultType =
+                new DataTypeImpl<XMLType>(JAXBDataBinding.NAME, faultBeanClass, new XMLType(element, null));
+            // faultType.setMetadata(ElementInfo.class.getName(), new
+            // ElementInfo(element, null));
+            return faultType;
+        }
+    }
+
+}