| 1 | /**
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| 2 | *#########################################################################
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| 3 | *
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| 4 | * A component of the Gatherer application, part of the Greenstone digital
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| 5 | * library suite from the New Zealand Digital Library Project at the
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| 6 | * University of Waikato, New Zealand.
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| 7 | *
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| 8 | * <BR><BR>
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| 9 | *
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| 10 | * Author: Sam McIntosh, Greenstone Digital Library, University of Waikato
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| 11 | *
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| 12 | * <BR><BR>
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| 13 | *
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| 14 | * Copyright (C) 2011 New Zealand Digital Library Project
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| 15 | *
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| 16 | * <BR><BR>
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| 17 | *
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| 18 | * This program is free software; you can redistribute it and/or modify
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| 19 | * it under the terms of the GNU General Public License as published by
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| 20 | * the Free Software Foundation; either version 2 of the License, or
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| 21 | * (at your option) any later version.
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| 22 | *
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| 23 | * <BR><BR>
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| 24 | *
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| 25 | * This program is distributed in the hope that it will be useful,
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| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 28 | * GNU General Public License for more details.
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| 29 | *
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| 30 | * <BR><BR>
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| 31 | *
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| 32 | * You should have received a copy of the GNU General Public License
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| 33 | * along with this program; if not, write to the Free Software
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| 34 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 35 | *########################################################################
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| 36 | */
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| 37 |
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| 38 | package org.greenstone.gatherer.util;
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| 39 | import java.io.File;
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| 40 |
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| 41 | /** Class for GS3, for issuing ant commands from GLI */
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| 42 | public class GS3ServerThread extends Thread
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| 43 | {
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| 44 | String _gsdl3_src_path = "";
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| 45 | String _ant_command = "";
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| 46 |
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| 47 | public GS3ServerThread(String gsdl3_src_path, String ant_command)
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| 48 | {
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| 49 | _gsdl3_src_path = gsdl3_src_path;
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| 50 | _ant_command = ant_command; // "restart"
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| 51 | }
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| 52 |
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| 53 | public void run()
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| 54 | {
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| 55 | try
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| 56 | {
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| 57 | ///System.err.println("**** GS3 server : " + _ant_command);
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| 58 |
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| 59 | String shellCommand = null;
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| 60 | Process p = null;
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| 61 | if (Utility.isWindows())
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| 62 | {
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| 63 | if(_ant_command.indexOf("start") != -1) { // running an "ant (re)start" command on windows, run start
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| 64 | _ant_command = "start";
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| 65 | }
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| 66 | // The path in quotes, and the entire sequence of commands in quotes as well
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| 67 | // E.g. the following works: cmd /C "cd "C:\path\to\greenstone3" && ant stop"
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| 68 | // and it preserves any spaces in the path to GSDL3SRCHOME (_gsdl3_src_path).
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| 69 | p = Runtime.getRuntime().exec("cmd /C \"cd \"" + _gsdl3_src_path + File.separator + "\" && ant " + _ant_command + "\"");
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| 70 | }
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| 71 | else
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| 72 | {
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| 73 | if(_ant_command.indexOf("start") != -1) { // if running an "ant (re)start" command on non-Windows, run restart
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| 74 | _ant_command = "restart";
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| 75 | }
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| 76 | p = Runtime.getRuntime().exec(new String[]{"/bin/bash", "-c", "ant " + _ant_command + " -f \"" + _gsdl3_src_path + File.separator + "build.xml\""});
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| 77 | }
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| 78 |
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| 79 | if (p != null) {
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| 80 | // in order for the process.waitFor() method to work with Java 6 (JRE 6 is included in GS binaries)
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| 81 | // need to make sure the IOstreams of the process are not blocked. For Java 7, this is not necessary
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| 82 | // and a waitFor() is sufficient. But with Java 6, the waitFor() causes the server to finally start
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| 83 | // after the user has quit GLI.
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| 84 |
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| 85 | // Process takes no input, but we will still catch this iostream too
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| 86 | // And we'll catch the error and output streams to prevent them from blocking during waitFor()
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| 87 | // (For normal input and output stream handling using the Gobblers, see FormatConversionDialog.java)
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| 88 | OutputStreamGobbler inputGobbler = new OutputStreamGobbler(p.getOutputStream(), null);
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| 89 | InputStreamGobbler errorGobbler = new InputStreamGobbler(p.getErrorStream(), true);
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| 90 | InputStreamGobbler outputGobbler = new InputStreamGobbler(p.getInputStream());
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| 91 |
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| 92 | errorGobbler.start();
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| 93 | outputGobbler.start();
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| 94 | inputGobbler.start();
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| 95 |
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| 96 | // the important part: wait for the process (ant stop or start or re-start to terminate)
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| 97 | int result = p.waitFor();
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| 98 | if(result != 0) {
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| 99 | System.err.println("**** Failed to successfully " + _ant_command + " the GS3 server.");
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| 100 | }
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| 101 |
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| 102 | outputGobbler.join();
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| 103 | errorGobbler.join();
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| 104 | inputGobbler.join();
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| 105 | } else {
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| 106 | System.err.println("**** Could not start the Process to " + _ant_command + " the GS3 server.");
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| 107 | }
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| 108 |
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| 109 | }
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| 110 | catch(Exception ex)
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| 111 | {
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| 112 | ex.printStackTrace();
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| 113 | }
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| 114 | }
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| 115 | }
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