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/**
*
* 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.builder.impl;
import org.apache.tuscany.core.builder.ObjectFactory;
import org.apache.tuscany.core.injection.ObjectCreationException;
import java.lang.reflect.Array;
import java.util.List;
/**
* 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;
}
}
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