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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.container.java.mock.binding.foo;
import java.lang.reflect.InvocationTargetException;
import org.apache.tuscany.core.context.ExternalServiceContext;
import org.apache.tuscany.core.context.InstanceContext;
import org.apache.tuscany.core.context.ScopeContext;
import org.apache.tuscany.core.context.TargetException;
import org.apache.tuscany.core.invocation.Interceptor;
import org.apache.tuscany.core.invocation.TargetInvoker;
import org.apache.tuscany.core.message.Message;
/**
* Responsible for invoking a mock transport binding client configured for an external service
*
* @version $Rev$ $Date$
*/
public class FooESTargetInvoker implements TargetInvoker {
private String name;
private ScopeContext container;
private ExternalServiceContext context;
public FooESTargetInvoker(String esName, ScopeContext container) {
assert (esName != null) : "No external service name specified";
assert (container != null) : "No scope container specified";
name = esName;
this.container = container;
}
public Object invokeTarget(Object payload) throws InvocationTargetException {
if (context == null) {
InstanceContext iContext = container.getContext(name);
if (!(iContext instanceof ExternalServiceContext)) {
TargetException te = new TargetException("Unexpected target context type");
te.setIdentifier(iContext.getClass().getName());
te.addContextName(iContext.getName());
throw te;
}
context = (ExternalServiceContext) iContext;
}
FooClient client = (FooClient) context.getImplementationInstance(true);
if (payload != null) {
return client.invoke(payload);
} else {
return client.invoke(null);
}
}
public boolean isCacheable() {
return false;
}
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 UnsupportedOperationException();
}
public Object clone() {
try {
FooESTargetInvoker invoker = (FooESTargetInvoker) super.clone();
invoker.container = container;
invoker.context = this.context;
invoker.name = this.name;
return invoker;
} catch (CloneNotSupportedException e) {
return null; // will not happen
}
}
}
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