1 files changed, 83 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6.1-TUSCANY-3909/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConstructorProcessor.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConstructorProcessor.java
new file mode 100644
index 0000000000..17e28479d3
--- /dev/null
+++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConstructorProcessor.java
@@ -0,0 +1,83 @@
+/*
+ * 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.implementation.java.introspect.impl;
+
+import java.lang.reflect.Constructor;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.implementation.java.IntrospectionException;
+import org.apache.tuscany.sca.implementation.java.JavaImplementation;
+import org.apache.tuscany.sca.implementation.java.impl.JavaConstructorImpl;
+import org.apache.tuscany.sca.implementation.java.impl.JavaParameterImpl;
+
+/**
+ * Handles processing of a constructor decorated with
+ * {@link org.osoa.sca.annotations.Constructor}
+ * 
+ * @version $Rev$ $Date$
+ */
+@SuppressWarnings("unchecked")
+public class ConstructorProcessor extends BaseJavaClassVisitor {
+    
+    public ConstructorProcessor(AssemblyFactory factory) {
+        super(factory);
+    }
+
+    @Override
+    public <T> void visitClass(Class<T> clazz, JavaImplementation type) throws IntrospectionException {
+        Constructor[] ctors = clazz.getConstructors();
+        boolean found = false;
+        for (Constructor constructor : ctors) {
+            JavaConstructorImpl<?> definition = new JavaConstructorImpl(constructor);
+            type.getConstructors().put(constructor, definition);
+            if (constructor.getAnnotation(org.osoa.sca.annotations.Constructor.class) != null) {
+                if (found) {
+                    throw new DuplicateConstructorException("Multiple constructors marked with @Constructor", constructor);
+                }
+                found = true;
+                type.setConstructor(definition);
+            }
+        }
+    }
+
+    @Override
+    public <T> void visitConstructor(Constructor<T> constructor, JavaImplementation type)
+        throws IntrospectionException {
+        org.osoa.sca.annotations.Constructor annotation = constructor
+            .getAnnotation(org.osoa.sca.annotations.Constructor.class);
+        if (annotation == null) {
+            return;
+        }
+        JavaConstructorImpl<?> definition = type.getConstructor();
+        if (definition == null) {
+            definition = new JavaConstructorImpl(constructor);
+            type.setConstructor(definition);
+        }
+        JavaParameterImpl[] parameters = definition.getParameters();
+        String[] value = annotation.value();
+        boolean isDefault = value.length == 0 || (value.length == 1 && "".equals(value[0]));
+        if (!isDefault && value.length != parameters.length) {
+            throw new InvalidConstructorException("Invalid Number of names in @Constructor");
+        }
+        for (int i = 0; i < parameters.length; i++) {
+            parameters[i].setName(i < value.length ? value[i] : "");
+        }
+        type.setConstructor(definition);
+    }
+}