/*
* 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.rsf.rpc.caller;
import net.hasor.core.Provider;
import net.hasor.rsf.RsfFilter;
import net.hasor.rsf.RsfFilterChain;
import net.hasor.rsf.RsfRequest;
import net.hasor.rsf.RsfResponse;
/**
* 负责处理 RsfFilter 调用
* @version : 2014年11月4日
* @author 赵永春(zyc@hasor.net)
*/
public class RsfFilterHandler implements RsfFilterChain {
private static final Provider<RsfFilter>[] EMPTY_FILTER = new Provider[0];
private final Provider<RsfFilter>[] rsfFilter;
private final RsfFilterChain rsfChain;
private int index;
//
public RsfFilterHandler(final Provider<RsfFilter>[] rsfFilter, final RsfFilterChain rsfChain) {
this.rsfChain = rsfChain;
this.index = -1;
this.rsfFilter = (rsfFilter != null && rsfFilter.length != 0) ? rsfFilter : EMPTY_FILTER;
}
public void doFilter(RsfRequest request, RsfResponse response) throws Throwable {
this.index++;
if (this.index < this.rsfFilter.length) {
this.rsfFilter[index].get().doFilter(request, response, this);
} else {
this.rsfChain.doFilter(request, response);
}
}
}