From fbcd4c322ba39715d1ba5e88b88a7ebd7342656d Mon Sep 17 00:00:00 2001
From: rfeng <rfeng@13f79535-47bb-0310-9956-ffa450edef68>
Date: Tue, 12 Jul 2011 19:54:10 +0000
Subject: Allow other collection types for multiplicity injection

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1145739 13f79535-47bb-0310-9956-ffa450edef68
---
 .../injection/ListMultiplicityObjectFactory.java   | 34 ++++++++++++++++------
 .../invocation/JavaInstanceFactoryProvider.java    |  4 +--
 2 files changed, 27 insertions(+), 11 deletions(-)

(limited to 'sca-java-2.x/trunk/modules')

diff --git a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ListMultiplicityObjectFactory.java b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ListMultiplicityObjectFactory.java
index 2906897e96..a0af933c71 100644
--- a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ListMultiplicityObjectFactory.java
+++ b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ListMultiplicityObjectFactory.java
@@ -19,7 +19,12 @@
 package org.apache.tuscany.sca.implementation.java.injection;
 
 import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
+import java.util.SortedSet;
+import java.util.TreeSet;
 
 import org.apache.tuscany.sca.core.factory.ObjectCreationException;
 import org.apache.tuscany.sca.core.factory.ObjectFactory;
@@ -30,21 +35,32 @@ import org.apache.tuscany.sca.core.factory.ObjectFactory;
  *
  * @version $Rev$ $Date$
  */
-public class ListMultiplicityObjectFactory implements ObjectFactory<List<?>> {
+public class ListMultiplicityObjectFactory implements ObjectFactory<Collection<?>> {
 
-    private ObjectFactory[] factories;
+    private Collection<ObjectFactory<?>> factories;
+    private Class<?> collectionType;
 
-    public ListMultiplicityObjectFactory(List<ObjectFactory<?>> factories) {
+    public ListMultiplicityObjectFactory(List<ObjectFactory<?>> factories, Class<?> collectionType) {
         assert factories != null : "Object factories were null";
-        this.factories = factories.toArray(new ObjectFactory[factories.size()]);
+        this.factories = factories;
+        this.collectionType = collectionType;
     }
 
-    public List<?> getInstance() throws ObjectCreationException {
-        List<Object> list = new ArrayList<Object>();
-        for (ObjectFactory factory : factories) {
-            list.add(factory.getInstance());
+    public Collection<?> getInstance() throws ObjectCreationException {
+        Collection<Object> collection = null;
+        if (SortedSet.class.isAssignableFrom(collectionType)) {
+            collection = new TreeSet<Object>();
+        } else if (Set.class.isAssignableFrom(collectionType)) {
+            collection = new HashSet<Object>();
+        } else if (List.class.isAssignableFrom(collectionType)) {
+            collection = new ArrayList<Object>();
+        } else {
+            collection = new ArrayList<Object>();
         }
-        return list;
+        for (ObjectFactory<?> factory : factories) {
+            collection.add(factory.getInstance());
+        }
+        return collection;
     }
 
 }
diff --git a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java
index 1f1f1eefdc..e89b618cfe 100644
--- a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java
+++ b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java
@@ -151,14 +151,14 @@ public class JavaInstanceFactoryProvider<T> implements InstanceFactoryProvider<T
             if (field.getType().isArray()) {
                 return new FieldInjector<T>(field, new ArrayMultiplicityObjectFactory(interfaceType, factories));
             } else {
-                return new FieldInjector<T>(field, new ListMultiplicityObjectFactory(factories));
+                return new FieldInjector<T>(field, new ListMultiplicityObjectFactory(factories, field.getType()));
             }
         } else if (element.getAnchor() instanceof Method) {
             Method method = (Method)element.getAnchor();
             if (method.getParameterTypes()[0].isArray()) {
                 return new MethodInjector<T>(method, new ArrayMultiplicityObjectFactory(interfaceType, factories));
             } else {
-                return new MethodInjector<T>(method, new ListMultiplicityObjectFactory(factories));
+                return new MethodInjector<T>(method, new ListMultiplicityObjectFactory(factories, method.getParameterTypes()[0]));
             }
         } else {
             throw new InvalidAccessorException("Member must be a field or method: " + element.getName());
-- 
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