/*
* Copyright 2011 <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
*
* 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.ocpsoft.rewrite.annotation.handler;
import java.lang.reflect.Method;
import org.ocpsoft.common.util.Assert;
import org.ocpsoft.rewrite.annotation.RequestAction;
import org.ocpsoft.rewrite.annotation.api.HandlerChain;
import org.ocpsoft.rewrite.annotation.api.MethodContext;
import org.ocpsoft.rewrite.annotation.spi.MethodAnnotationHandler;
import org.ocpsoft.rewrite.config.Invoke;
import org.ocpsoft.rewrite.config.Operation;
import org.ocpsoft.rewrite.config.Operations;
import org.ocpsoft.rewrite.el.El;
public class RequestActionHandler extends MethodAnnotationHandler<RequestAction>
{
@Override
public Class<RequestAction> handles()
{
return RequestAction.class;
}
@Override
public int priority()
{
return HandlerWeights.WEIGHT_TYPE_STRUCTURAL;
}
@Override
public void process(MethodContext context, RequestAction annotation, HandlerChain chain)
{
// create an Operation for executing this method
Method method = context.getJavaMethod();
El el = El.retrievalMethod(context.getJavaClass(), method.getName());
Operation plainOperation = Invoke.binding(el);
// let subsequent handlers enrich the operation
context.put(Operation.class, plainOperation);
chain.proceed();
Operation enrichedOperation = (Operation) context.get(Operation.class);
Assert.notNull(enrichedOperation, "Operation was removed from the context");
// append this operation to the rule
context.getRuleBuilder().perform(Operations.onInbound(enrichedOperation));
}
}