[834] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: g4vrmlview.java,v 1.4 2006/06/29 21:25:17 gunter Exp $ |
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| 28 | // GEANT4 tag $Name: $ |
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| 29 | // |
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| 30 | import java.io.*; |
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| 31 | import java.net.*; |
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| 32 | |
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| 33 | //------------------// |
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| 34 | // class g4vrmlview // |
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| 35 | // ( main() ) // |
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| 36 | //------------------// |
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| 37 | public class g4vrmlview |
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| 38 | { |
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| 39 | public static void main( String[] args ) |
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| 40 | { |
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| 41 | try{ |
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| 42 | // CONST |
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| 43 | final String VERSION = "1.00" ; |
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| 44 | final String DATE = "August 19, 1997"; |
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| 45 | |
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| 46 | final int PORT_NO = 40801 ; |
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| 47 | final String OUTPUT_FILE_HEAD = "g4" ; |
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| 48 | final String OUTPUT_FILE_EXT = "wrl" ; |
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| 49 | final int MAX_TRIAL = 10 ; |
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| 50 | |
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| 51 | // local |
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| 52 | int portNo = PORT_NO ; |
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| 53 | |
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| 54 | // argument checking |
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| 55 | if( args.length != 1 && args.length != 2 ) |
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| 56 | { |
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| 57 | System.out.println( "-------------------------------"); |
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| 58 | System.out.println( " G4VRMLView version " + VERSION ); |
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| 59 | System.out.println( " " + DATE ); |
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| 60 | System.out.println( "-------------------------------"); |
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| 61 | System.out.println( "Usage: java g4vrmlview browser_name [port_number]"); |
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| 62 | System.out.println( " Browser_name: netscape, vrweb, etc, or NONE"); |
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| 63 | return ; |
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| 64 | } |
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| 65 | |
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| 66 | // VRML browser |
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| 67 | String browser = new String ( args[0] ) ; |
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| 68 | |
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| 69 | // port number |
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| 70 | if( args.length == 2 ) |
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| 71 | { |
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| 72 | portNo = Integer.parseInt( args[1] ); |
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| 73 | } |
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| 74 | |
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| 75 | // make a server socket |
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| 76 | ServerSocket ss = null ; |
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| 77 | for ( int i = 0 ; i < MAX_TRIAL ; i++ ) |
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| 78 | { |
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| 79 | try |
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| 80 | { |
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| 81 | ss = new ServerSocket( portNo ); |
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| 82 | System.out.println( "Waiting for requests at port " +portNo + " ..."); |
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| 83 | break ; |
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| 84 | } |
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| 85 | catch ( Exception e ) |
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| 86 | { |
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| 87 | portNo++ ; |
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| 88 | if( i >= MAX_TRIAL ) |
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| 89 | { |
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| 90 | System.out.println( "Sockets are not available."); |
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| 91 | return ; |
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| 92 | } |
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| 93 | } |
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| 94 | } // for |
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| 95 | |
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| 96 | |
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| 97 | // open connection and invoke thread |
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| 98 | int nSpawn = 0 ; |
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| 99 | while( true ) |
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| 100 | { |
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| 101 | Socket socket = ss.accept(); nSpawn++ ; |
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| 102 | |
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| 103 | System.out.println( "Connection accepted by thread " + nSpawn ); |
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| 104 | |
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| 105 | ( new g4vrmlviewThread( socket, OUTPUT_FILE_HEAD, OUTPUT_FILE_EXT , browser )).start() ; |
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| 106 | |
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| 107 | } // while |
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| 108 | |
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| 109 | } |
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| 110 | catch ( Exception e ) |
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| 111 | { |
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| 112 | System.out.println( e.toString() ); |
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| 113 | } |
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| 114 | } // main() |
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| 115 | |
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| 116 | } // g4vrmlview |
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| 117 | |
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| 118 | |
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| 119 | //------------------------// |
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| 120 | // class g4vrmlviewThread // |
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| 121 | //------------------------// |
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| 122 | class g4vrmlviewThread extends Thread |
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| 123 | { |
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| 124 | private final String NONE = "NONE" ; // no browser |
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| 125 | private Socket m_socket ; |
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| 126 | private String m_outputFile ; |
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| 127 | private String m_browser ; |
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| 128 | |
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| 129 | // constuctor |
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| 130 | public g4vrmlviewThread( Socket socket , |
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| 131 | String outputFileHead , |
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| 132 | String outputFileExt , |
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| 133 | String browser ) |
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| 134 | { |
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| 135 | m_socket = socket ; |
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| 136 | SetOutputFileName ( outputFileHead , outputFileExt ); |
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| 137 | m_browser = new String ( browser ); |
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| 138 | } |
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| 139 | |
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| 140 | private void SetOutputFileName( String outputFileHead, |
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| 141 | String outputFileExt ) |
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| 142 | { |
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| 143 | // temporary file name |
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| 144 | String outputFile_tmp |
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| 145 | = new String ( outputFileHead + |
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| 146 | "." + |
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| 147 | outputFileExt ) ; |
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| 148 | |
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| 149 | // for modification of temporary filename |
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| 150 | int n = 1 ; |
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| 151 | |
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| 152 | // make a non-existing filename |
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| 153 | while ( true ) |
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| 154 | { |
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| 155 | File file = new File ( outputFile_tmp ); |
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| 156 | |
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| 157 | if ( !file.exists() ) |
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| 158 | { |
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| 159 | break ; |
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| 160 | } else { |
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| 161 | |
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| 162 | outputFile_tmp |
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| 163 | = new String ( outputFileHead + |
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| 164 | "_" + |
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| 165 | (n++) + |
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| 166 | "." + |
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| 167 | outputFileExt ); |
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| 168 | } |
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| 169 | |
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| 170 | } // while |
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| 171 | |
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| 172 | // set decided filename to data field |
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| 173 | m_outputFile = new String ( outputFile_tmp ); |
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| 174 | |
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| 175 | } // g4vrmlviewThread::setOutputFileName() |
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| 176 | |
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| 177 | |
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| 178 | // run () |
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| 179 | public void run () |
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| 180 | { |
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| 181 | try{ |
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| 182 | // get input stream from socket |
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| 183 | BufferedReader br |
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| 184 | = new BufferedReader ( new InputStreamReader ( m_socket.getInputStream() ) ) ; |
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| 185 | |
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| 186 | // get output stream to file |
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| 187 | BufferedWriter bw |
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| 188 | = new BufferedWriter ( new FileWriter ( m_outputFile ) ) ; |
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| 189 | |
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| 190 | // socket ==> file |
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| 191 | String line ; |
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| 192 | while ( (line = br.readLine()) != null ) |
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| 193 | { |
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| 194 | bw.write( line ); |
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| 195 | bw.newLine() ; |
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| 196 | bw.flush () ; |
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| 197 | } |
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| 198 | System.out.println( "VRML data is saved to file " +m_outputFile ); |
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| 199 | |
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| 200 | // close streams and socket |
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| 201 | br.close(); |
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| 202 | bw.close(); |
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| 203 | m_socket.close() ; |
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| 204 | |
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| 205 | // invoke browser |
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| 206 | if( !m_browser.equals(NONE) ) |
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| 207 | { |
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| 208 | try |
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| 209 | { |
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| 210 | |
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| 211 | File file = new File ( m_outputFile ); |
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| 212 | |
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| 213 | // visualize created VRML file with browser |
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| 214 | if ( file.exists() ) |
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| 215 | { |
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| 216 | String outputFileAbs = new String ( file.getAbsolutePath() ) ; |
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| 217 | String[] command = { m_browser, outputFileAbs }; |
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| 218 | System.out.println( "Command: " + command[0] + " " + command[1] ); |
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| 219 | |
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| 220 | Process exec_process = null ; |
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| 221 | |
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| 222 | Runtime runtime = Runtime.getRuntime(); |
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| 223 | exec_process = runtime.exec( command ); |
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| 224 | exec_process.waitFor() ; |
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| 225 | } else { |
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| 226 | System.out.println( "Error: Failed to open file" + m_outputFile ); |
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| 227 | } |
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| 228 | } |
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| 229 | catch ( Exception e ) |
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| 230 | { |
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| 231 | System.out.println( e.toString() ); |
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| 232 | } |
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| 233 | |
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| 234 | } |
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| 235 | else |
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| 236 | { |
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| 237 | System.out.println( "No browser was invoked" ); |
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| 238 | } |
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| 239 | |
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| 240 | } |
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| 241 | catch( Exception e ) |
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| 242 | { |
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| 243 | System.out.println( e.toString() ); |
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| 244 | } |
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| 245 | } // run() |
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| 246 | |
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| 247 | } // g4vrmlviewThread |
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