/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.krakenapps.http.internal.dispatch;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.krakenapps.http.internal.handler.FilterHandler;
import java.io.IOException;
public final class InvocationFilterChain extends HttpFilterChain {
private final FilterHandler[] handlers;
private final ServletPipeline servletPipeline;
private final FilterChain proceedingChain;
private int index = -1;
public InvocationFilterChain(FilterHandler[] handlers, ServletPipeline servletPipeline,
FilterChain proceedingChain) {
this.handlers = handlers;
this.servletPipeline = servletPipeline;
this.proceedingChain = proceedingChain;
}
protected void doFilter(HttpServletRequest req, HttpServletResponse res) throws IOException,
ServletException {
this.index++;
if (this.index < this.handlers.length) {
this.handlers[this.index].handle(req, res, this);
} else {
if (!this.servletPipeline.handle(req, res)) {
this.proceedingChain.doFilter(req, res);
}
}
}
}