org.archive.wayback.proxy.ProxyReplayRequestParser.java Source code

Introduction

Here is the source code for org.archive.wayback.proxy.ProxyReplayRequestParser.java

Source

/* ProxyReplayRequestParser
 *
 * $Id$
 *
 * Created on 3:43:24 PM Apr 26, 2007.
 *
 * Copyright (C) 2007 Internet Archive.
 *
 * This file is part of wayback-core.
 *
 * wayback-core is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * any later version.
 *
 * wayback-core 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 Public License for more details.
 *
 * You should have received a copy of the GNU Lesser Public License
 * along with wayback-core; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package org.archive.wayback.proxy;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.httpclient.URIException;
import org.archive.util.InetAddressUtil;
import org.archive.wayback.WaybackConstants;
import org.archive.wayback.core.WaybackRequest;
import org.archive.wayback.exception.BadQueryException;
import org.archive.wayback.requestparser.BaseRequestParser;
import org.archive.wayback.webapp.AccessPoint;

/**
 *
 *
 * @author brad
 * @version $Date$, $Revision$
 */
public class ProxyReplayRequestParser extends BaseRequestParser {

    private List<String> localhostNames = null;

    /**
     * 
     */
    public void init() {
        if (localhostNames == null) {
            localhostNames = InetAddressUtil.getAllLocalHostNames();
        } else {
            localhostNames.addAll(InetAddressUtil.getAllLocalHostNames());
        }
    }

    private boolean isLocalRequest(HttpServletRequest httpRequest) {
        return this.localhostNames.contains(httpRequest.getServerName());
    }

    /* (non-Javadoc)
     * @see org.archive.wayback.requestparser.BaseRequestParser#parse(javax.servlet.http.HttpServletRequest, org.archive.wayback.webapp.WaybackContext)
     */
    @Override
    public WaybackRequest parse(HttpServletRequest httpRequest, AccessPoint wbContext) throws BadQueryException {

        if (isLocalRequest(httpRequest)) {
            // local means query: let the following RequestParsers have a go 
            // at it.
            return null;
        }

        WaybackRequest wbRequest = null;
        String requestServer = httpRequest.getServerName();
        String requestPath = httpRequest.getRequestURI();
        //int port = httpRequest.getServerPort();
        String requestQuery = httpRequest.getQueryString();
        String requestScheme = httpRequest.getScheme();
        if (requestQuery != null) {
            requestPath = requestPath + "?" + requestQuery;
        }

        String requestUrl = requestScheme + "://" + requestServer + requestPath;

        wbRequest = new WaybackRequest();
        try {
            wbRequest.setRequestUrl(requestUrl);
        } catch (URIException e) {
            e.printStackTrace();
            return null;
        }
        wbRequest.put(WaybackConstants.REQUEST_TYPE, WaybackConstants.REQUEST_REPLAY_QUERY);

        return wbRequest;
    }

    public List<String> getLocalhostNames() {
        return localhostNames;
    }

    public void setLocalhostNames(List<String> localhostNames) {
        this.localhostNames = localhostNames;
    }

}