/*
* Copyright 2008-2009 the original author or authors.
*
* 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 net.hasor.plugins.aop;
import net.hasor.core.AppContext;
import net.hasor.core.MethodInterceptor;
import net.hasor.core.MethodInvocation;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
/**
*
* @version : 2013-4-13
* @author 赵永春 (zyc@hasor.net)
*/
class AopChainInvocation implements MethodInvocation {
private MethodInterceptor[] beforeInterceptor = null;
private MethodInvocation invocation = null;
private int index = -1;
//
public AopChainInvocation(AppContext appContext, List<Class<? extends MethodInterceptor>> interTypeList, MethodInvocation invocation) {
List<MethodInterceptor> beforeList = new ArrayList<MethodInterceptor>();
for (Class<? extends MethodInterceptor> interType : interTypeList) {
if (interType != null) {
beforeList.add(appContext.getInstance(interType));
}
}
this.beforeInterceptor = beforeList.toArray(new MethodInterceptor[beforeList.size()]);
this.invocation = invocation;
}
public Object invoke(MethodInvocation invocation) throws Throwable {
index++;
if (index < beforeInterceptor.length) {
return beforeInterceptor[index].invoke(this);
} else {
return invocation.proceed();
}
}
//-----------------------------------------------------------
public Object[] getArguments() {
return invocation.getArguments();
}
public Object proceed() throws Throwable {
return this.invoke(this.invocation);
}
public Object getThis() {
return invocation.getThis();
}
public Method getMethod() {
return invocation.getMethod();
}
}