/**
* Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.httpservice.internal.servlet;
import com.liferay.httpservice.servlet.BundleServletConfig;
import java.io.IOException;
import java.util.LinkedList;
import java.util.Queue;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.osgi.service.http.HttpContext;
/**
* @author Raymond Augé
*/
public class BundleFilterChain implements FilterChain {
public void addFilter(Filter filter) {
_filters.add(filter);
}
@Override
public void doFilter(
ServletRequest servletRequest, ServletResponse servletResponse)
throws IOException, ServletException {
Filter filter = _filters.poll();
if (filter == null) {
ServletConfig servletConfig = _servlet.getServletConfig();
if (servletConfig instanceof BundleServletConfig) {
BundleServletConfig bundleServletConfig =
(BundleServletConfig)servletConfig;
HttpContext httpContext = bundleServletConfig.getHttpContext();
if (!httpContext.handleSecurity(
(HttpServletRequest)servletRequest,
(HttpServletResponse)servletResponse)) {
return;
}
}
_servlet.service(servletRequest, servletResponse);
return;
}
filter.doFilter(servletRequest, servletResponse, this);
}
public void setServlet(Servlet servlet) {
_servlet = servlet;
}
private Queue<Filter> _filters = new LinkedList<Filter>();
private Servlet _servlet;
}