1 files changed, 119 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/ReferenceProcessor.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/ReferenceProcessor.java
new file mode 100644
index 0000000000..007410b500
--- /dev/null
+++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/ReferenceProcessor.java
@@ -0,0 +1,119 @@
+/**
+ *
+ * Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ * 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.
+ */
+package org.apache.tuscany.core.config.processor;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.Collection;
+
+import org.apache.tuscany.core.config.ConfigurationLoadException;
+import org.apache.tuscany.core.config.InvalidSetterException;
+import org.apache.tuscany.core.config.JavaIntrospectionHelper;
+import org.apache.tuscany.model.assembly.AssemblyFactory;
+import org.apache.tuscany.model.assembly.ComponentType;
+import org.apache.tuscany.model.assembly.Multiplicity;
+import org.apache.tuscany.model.assembly.Reference;
+import org.apache.tuscany.model.assembly.ServiceContract;
+import org.osoa.sca.annotations.Scope;
+
+/**
+ * Processes the {@link org.osoa.sca.annotations.Reference} annotation
+ *
+ *  @version $$Rev$$ $$Date$$
+ */
+@Scope("MODULE")
+public class ReferenceProcessor extends ImplementationProcessorSupport {
+
+    public ReferenceProcessor() {
+    }
+
+    public ReferenceProcessor(AssemblyFactory factory) {
+        super(factory);
+    }
+
+    @Override
+    public void visitMethod(Method method, ComponentType type) throws ConfigurationLoadException {
+        if(method.getDeclaringClass().equals(Object.class)){
+            return;
+        }
+        int modifiers = method.getModifiers();
+        org.osoa.sca.annotations.Reference annotation = method.getAnnotation(org.osoa.sca.annotations.Reference.class);
+        if (annotation != null) {
+            if (!Modifier.isPublic(modifiers)) {
+                InvalidSetterException e = new InvalidSetterException("Reference setter method is not public");
+                e.setIdentifier(method.getName());
+                throw e;
+            }
+            if (!Void.TYPE.equals(method.getReturnType())) {
+                InvalidSetterException e = new InvalidSetterException("Refence setter method must return void");
+                e.setIdentifier(method.toString());
+                throw e;
+            }
+            Class<?>[] params = method.getParameterTypes();
+            if (params.length != 1) {
+                InvalidSetterException e = new InvalidSetterException("Reference setter method must have one parameter");
+                e.setIdentifier(method.toString());
+                throw e;
+            }
+            String name = annotation.name();
+            if (name.length() == 0) {
+                name = method.getName();
+                if (name.length() > 3 && name.startsWith("set")) {
+                    // follow JavaBeans conventions
+                    name = JavaIntrospectionHelper.toPropertyName(name);
+                }
+            }
+            addReference(name, params[0], annotation.required(), type);
+        }
+    }
+
+    @Override
+    public void visitField(Field field, ComponentType type) throws ConfigurationLoadException {
+        if(field.getDeclaringClass().equals(Object.class)){
+            return;
+        }
+        int modifiers = field.getModifiers();
+        org.osoa.sca.annotations.Reference annotation = field.getAnnotation(org.osoa.sca.annotations.Reference.class);
+        if (annotation != null) {
+            if (!Modifier.isPublic(modifiers) && !Modifier.isProtected(modifiers)) {
+                InvalidSetterException e = new InvalidSetterException("Reference field is not public or protected");
+                e.setIdentifier(field.getName());
+                throw e;
+            }
+            String name = annotation.name();
+            if (name.length() == 0) {
+                name = field.getName();
+            }
+            addReference(name, field.getType(), annotation.required(), type);
+        }
+    }
+
+    private void addReference(String name, Class<?> paramType, boolean required, ComponentType type) {
+        Reference reference = factory.createReference();
+        reference.setName(name);
+        ServiceContract contract = factory.createJavaServiceContract();
+        contract.setInterface(paramType);
+        reference.setServiceContract(contract);
+        boolean many = paramType.isArray() || Collection.class.isAssignableFrom(paramType);
+        Multiplicity multiplicity;
+        if (required)
+            multiplicity = many ? Multiplicity.ONE_N : Multiplicity.ONE_ONE;
+        else
+            multiplicity = many ? Multiplicity.ZERO_N : Multiplicity.ZERO_ONE;
+        reference.setMultiplicity(multiplicity);
+        type.getReferences().add(reference);
+    }
+
+}