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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.system.config.extensibility;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import org.apache.tuscany.core.builder.ContextResolver;
import org.apache.tuscany.core.injection.FieldInjector;
import org.apache.tuscany.core.injection.Injector;
import org.apache.tuscany.core.injection.MethodInjector;
import org.apache.tuscany.core.system.config.SystemInjectorExtensibilityElement;
import org.apache.tuscany.core.system.injection.AutowireObjectFactory;
/**
* A metadata extensbility element for autowires; creates injectors which return the target of an autowire
*
* @version $$Rev$$ $$Date$$
*/
public class AutowireExtensibilityElement implements SystemInjectorExtensibilityElement {
private Method method;
private Field field;
public AutowireExtensibilityElement(Method m) {
assert(m == null || m.getParameterTypes().length == 1): "Illegal number of parameters";
method = m;
}
public AutowireExtensibilityElement(Field f) {
field = f;
}
@SuppressWarnings("unchecked")
public Injector<?> getInjector(ContextResolver resolver) {
if (method != null) {
return new MethodInjector(method, new AutowireObjectFactory(method.getParameterTypes()[0], resolver));
} else {
return new FieldInjector(field, new AutowireObjectFactory(field.getType(), resolver));
}
}
}
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