1 files changed, 141 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/DataBindingJavaInterfaceProcessor.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/DataBindingJavaInterfaceProcessor.java
new file mode 100644
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+++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/DataBindingJavaInterfaceProcessor.java
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+/*
+ * 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.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(DataBindingExtensionPoint dataBindingRegistry) {
+        super();
+        this.dataBindingRegistry = dataBindingRegistry;
+    }
+
+    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.setInputWrapperStyle(wrapperStyle);
+                op.setOutputWrapperStyle(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.setInputWrapperStyle(wrapperStyle);
+                operation.setOutputWrapperStyle(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);
+            }
+            /* It's now done in the JAXWS java interface processor
+            for (org.apache.tuscany.sca.interfacedef.DataType<?> d : operation.getFaultTypes()) {
+                if (d.getDataBinding() == null) {
+                    d.setDataBinding(dataBindingId);
+                    // TODO: Handle exceptions
+                    dataBindingRegistry.introspectType(d, operation);
+                }
+            }
+            */
+        }
+    }
+}