001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/enterprise/servlet/DirectoryAccessServlet.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2006 by:
006 Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstr. 19
030 53177 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042 ---------------------------------------------------------------------------*/
043
044 package org.deegree.enterprise.servlet;
045
046 import java.io.File;
047 import java.io.IOException;
048 import java.io.OutputStream;
049 import java.io.RandomAccessFile;
050 import java.util.Map;
051
052 import javax.servlet.ServletException;
053 import javax.servlet.http.HttpServlet;
054 import javax.servlet.http.HttpServletRequest;
055 import javax.servlet.http.HttpServletResponse;
056
057 import org.deegree.framework.util.KVP2Map;
058
059 /**
060 * This is one possible web application to be used for the printing functionality in iGeoPortal Std.
061 *
062 * @author <a href="mailto:mays@lat-lon.de">Judit Mays</a>
063 * @author last edited by: $Author: bezema $
064 *
065 * @version $Revision: 6259 $, $Date: 2007-03-20 10:15:15 +0100 (Di, 20 Mär 2007) $
066 */
067 public class DirectoryAccessServlet extends HttpServlet {
068
069 /**
070 *
071 */
072 private static final long serialVersionUID = 2816833149662971995L;
073 private String rootDir;
074
075 /* (non-Javadoc)
076 * @see javax.servlet.GenericServlet#init()
077 */
078 @Override
079 public void init()
080 throws ServletException {
081 super.init();
082 rootDir = getInitParameter( "ROOTDIR" );
083 if ( rootDir == null ) {
084 rootDir = getServletContext().getRealPath( "." );
085 } else {
086 File file = new File( rootDir );
087 if ( !file.isAbsolute() ) {
088 rootDir = getServletContext().getRealPath( rootDir );
089 }
090 }
091 if ( !rootDir.endsWith( "/" ) ) {
092 rootDir += '/';
093 }
094 }
095
096 /* (non-Javadoc)
097 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
098 */
099 @Override
100 protected void doGet( HttpServletRequest request, HttpServletResponse response )
101 throws ServletException, IOException {
102 doPost( request, response );
103 }
104
105 /* (non-Javadoc)
106 * @see javax.servlet.http.HttpServlet#doPost(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
107 */
108 @Override
109 protected void doPost( HttpServletRequest request, HttpServletResponse response )
110 throws ServletException, IOException {
111 Map<String, String> reqParams = KVP2Map.toMap( request );
112 String req = reqParams.get( "REQUEST" );
113 if ( "download".equals( req ) ) {
114 download( reqParams, response );
115 } else {
116 throw new ServletException( "Unknown operation: " + req );
117 }
118 }
119
120 /**
121 * @param reqParams
122 * @param response
123 * @throws IOException
124 */
125 private void download( Map<String, String> reqParams, HttpServletResponse response )
126 throws IOException {
127
128 String file = reqParams.get( "FILENAME" );
129 String path = rootDir + file;
130 RandomAccessFile raf = new RandomAccessFile( path, "r" );
131 long l = raf.length();
132 byte[] b = new byte[(int) l];
133 raf.read( b );
134 raf.close();
135
136 OutputStream os = response.getOutputStream();
137 os.write( b );
138 os.close();
139 }
140
141 }
142
143 /* ********************************************************************
144 Changes to this class. What the people have been up to:
145
146 $Log$
147 Revision 1.1 2006/12/05 17:55:22 mays
148 add new servlet used for printing in iGeoPortal
149
150 ********************************************************************** */