diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ArrayMultiplicityObjectFactory.java')
-rw-r--r-- | sca-java-1.x/tags/1.6/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ArrayMultiplicityObjectFactory.java | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ArrayMultiplicityObjectFactory.java b/sca-java-1.x/tags/1.6/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ArrayMultiplicityObjectFactory.java new file mode 100644 index 0000000000..2513c63e38 --- /dev/null +++ b/sca-java-1.x/tags/1.6/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ArrayMultiplicityObjectFactory.java @@ -0,0 +1,54 @@ +/* + * 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.injection; + +import java.lang.reflect.Array; +import java.util.List; + +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.ObjectFactory; + +/** + * Resolves targets configured in a multiplicity by delegating to object factories and returning an <code>Array</code> + * containing object instances + * + * @version $Rev$ $Date$ + */ +public class ArrayMultiplicityObjectFactory implements ObjectFactory<Object> { + + private ObjectFactory[] factories; + + private Class interfaceType; + + public ArrayMultiplicityObjectFactory(Class interfaceType, List<ObjectFactory<?>> factories) { + assert interfaceType != null : "Interface type was null"; + assert factories != null : "Object factories were null"; + this.interfaceType = interfaceType; + this.factories = factories.toArray(new ObjectFactory[factories.size()]); + } + + public Object getInstance() throws ObjectCreationException { + Object array = Array.newInstance(interfaceType, factories.length); + for (int i = 0; i < factories.length; i++) { + Array.set(array, i, factories[i].getInstance()); + } + return array; + } + +} |