001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/enterprise/servlet/DirectoryAccessServlet.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036
037 package org.deegree.enterprise.servlet;
038
039 import java.io.File;
040 import java.io.IOException;
041 import java.io.OutputStream;
042 import java.io.RandomAccessFile;
043 import java.util.Map;
044
045 import javax.servlet.ServletException;
046 import javax.servlet.http.HttpServlet;
047 import javax.servlet.http.HttpServletRequest;
048 import javax.servlet.http.HttpServletResponse;
049
050 import org.deegree.framework.util.KVP2Map;
051
052 /**
053 * This is one possible web application to be used for the printing functionality in iGeoPortal Std.
054 *
055 * @author <a href="mailto:mays@lat-lon.de">Judit Mays</a>
056 * @author last edited by: $Author: mschneider $
057 *
058 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
059 */
060 public class DirectoryAccessServlet extends HttpServlet {
061
062 /**
063 *
064 */
065 private static final long serialVersionUID = 2816833149662971995L;
066
067 private String rootDir;
068
069 /*
070 * (non-Javadoc)
071 *
072 * @see javax.servlet.GenericServlet#init()
073 */
074 @Override
075 public void init()
076 throws ServletException {
077 super.init();
078 rootDir = getInitParameter( "ROOTDIR" );
079 if ( rootDir == null ) {
080 rootDir = getServletContext().getRealPath( "." );
081 } else {
082 File file = new File( rootDir );
083 if ( !file.isAbsolute() ) {
084 rootDir = getServletContext().getRealPath( rootDir );
085 }
086 }
087 if ( !rootDir.endsWith( "/" ) ) {
088 rootDir += '/';
089 }
090 }
091
092 /*
093 * (non-Javadoc)
094 *
095 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
096 * javax.servlet.http.HttpServletResponse)
097 */
098 @Override
099 protected void doGet( HttpServletRequest request, HttpServletResponse response )
100 throws ServletException, IOException {
101 doPost( request, response );
102 }
103
104 /*
105 * (non-Javadoc)
106 *
107 * @see javax.servlet.http.HttpServlet#doPost(javax.servlet.http.HttpServletRequest,
108 * javax.servlet.http.HttpServletResponse)
109 */
110 @Override
111 protected void doPost( HttpServletRequest request, HttpServletResponse response )
112 throws ServletException, IOException {
113 Map<String, String> reqParams = KVP2Map.toMap( request );
114 String req = reqParams.get( "REQUEST" );
115 if ( "download".equals( req ) ) {
116 download( reqParams, response );
117 } else {
118 throw new ServletException( "Unknown operation: " + req );
119 }
120 }
121
122 /**
123 * @param reqParams
124 * @param response
125 * @throws IOException
126 */
127 private void download( Map<String, String> reqParams, HttpServletResponse response )
128 throws IOException {
129
130 String file = reqParams.get( "FILENAME" );
131 String path = rootDir + file;
132 RandomAccessFile raf = new RandomAccessFile( path, "r" );
133 long l = raf.length();
134 byte[] b = new byte[(int) l];
135 raf.read( b );
136 raf.close();
137
138 OutputStream os = response.getOutputStream();
139 os.write( b );
140 os.close();
141 }
142
143 }