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/**
*
* Copyright 2005 The Apache Software Foundation
*
* 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.async.wire.mock;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.apache.tuscany.core.message.Message;
import org.apache.tuscany.core.wire.Interceptor;
import org.apache.tuscany.core.wire.InvocationRuntimeException;
import org.apache.tuscany.core.wire.TargetInvoker;
/**
* Caches component instances that do not need to be resolved for every wire, e.g. an wire originating from
* a lesser scope intended for a target with a wider scope
*
* @version $Rev: 377006 $ $Date: 2006-02-11 09:41:59 -0800 (Sat, 11 Feb 2006) $
*/
public class MockStaticInvoker implements TargetInvoker {
private Object instance;
private Method operation;
public MockStaticInvoker(Method operation, Object instance) {
this.operation = operation;
this.instance = instance;
}
public boolean isCacheable() {
return true;
}
public Object invokeTarget(Object payload) throws InvocationTargetException {
try {
if (payload != null && !payload.getClass().isArray()) {
return operation.invoke(instance, payload);
} else {
return operation.invoke(instance, (Object[]) payload);
}
} catch (IllegalAccessException e) {
throw new InvocationRuntimeException(e);
}
}
public Message invoke(Message msg) {
try {
Object resp = invokeTarget(msg.getBody());
msg.setBody(resp);
} catch (InvocationTargetException e) {
msg.setBody(e.getCause());
} catch (Throwable e) {
msg.setBody(e);
}
return msg;
}
public void setNext(Interceptor next) {
throw new IllegalStateException("This interceptor must be the last interceptor in an interceptor chain");
}
public Object clone() throws CloneNotSupportedException {
try {
MockStaticInvoker invoker = (MockStaticInvoker) super.clone();
invoker.instance = this.instance;
invoker.operation = this.operation;
return invoker;
} catch (CloneNotSupportedException e) {
return null; // will not happen
}
}
}
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