[18558] | 1 |
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| 2 | package org.greenstone.server;
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| 3 |
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| 4 | import java.awt.Dimension;
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| 5 | import java.awt.Toolkit;
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[18673] | 6 | import java.io.BufferedReader;
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[18558] | 7 | import java.io.File;
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[18673] | 8 | import java.io.FileInputStream;
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| 9 | import java.io.InputStreamReader;
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[18558] | 10 | import java.util.Properties;
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| 11 |
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| 12 | import org.apache.log4j.*;
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| 13 |
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| 14 | import org.greenstone.gsdl3.util.Dictionary;
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| 15 |
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| 16 | public abstract class BaseServer
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| 17 | {
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| 18 | static protected String START_CMD;
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| 19 | static protected String RESTART_CMD;
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| 20 | static protected String CONFIGURE_CMD;
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| 21 | static protected String STOP_CMD;
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| 22 |
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[18673] | 23 | static protected final int SERVER_STARTED = 0;
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| 24 | static protected final int SERVER_START_FAILED = 1;
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| 25 | static protected final int BROWSER_LAUNCHED = 2;
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| 26 | static protected final int BROWSER_LAUNCH_FAILED = 3;
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| 27 |
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| 28 | static protected Properties build_properties;
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| 29 | static protected Logger logger_;
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| 30 |
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| 31 | static public File build_properties_file;
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| 32 | static public Dictionary dictionary;
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| 33 | static public BaseProperty Property;
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| 34 |
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[18558] | 35 | protected int server_state_ = -1;
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| 36 | protected boolean configure_required_ = true;
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[18673] | 37 | protected String gsdl_home;
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[18558] | 38 | protected BaseServerControl server_control_;
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| 39 |
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[18673] | 40 | protected BaseServer(String gsdl_home, String lang, String build_properties_path)
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[18558] | 41 | {
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[18673] | 42 | this.gsdl_home = gsdl_home;
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| 43 |
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| 44 | // make sure we write to the correct logs
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| 45 | initLogger();
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[18558] | 46 | logger_ = Logger.getLogger(BaseServer.class.getName());
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| 47 |
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| 48 | build_properties_file = new File(build_properties_path);
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| 49 |
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| 50 | if (!build_properties_file.exists()) {
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| 51 | logger_.fatal("Can't find build.properties file "+build_properties_path);
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| 52 | System.exit(1);
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| 53 | }
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| 54 |
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| 55 | build_properties = new Properties();
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| 56 | reloadBuildProperties();
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| 57 |
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| 58 | dictionary = new Dictionary("server", lang, this.getClass().getClassLoader());
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| 59 |
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| 60 | }
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| 61 |
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[18673] | 62 | // override to write to the correct logs
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| 63 | protected void initLogger() {}
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| 64 |
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[18558] | 65 | public void autoStart()
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| 66 | {
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| 67 | String auto_start = build_properties.getProperty(BaseServer.Property.AUTOSTART);
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| 68 | if (auto_start != null && auto_start.equals("true")) {
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| 69 | restart();
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| 70 | }
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| 71 | else{
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| 72 | start();
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| 73 | }
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| 74 |
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| 75 | }
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| 76 |
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| 77 | protected int getServerState()
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| 78 | {
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| 79 | return server_state_;
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| 80 | }
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| 81 |
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| 82 | protected abstract int runTarget(String cmd);
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| 83 |
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| 84 |
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| 85 | public void reconfigRequired()
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| 86 | {
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| 87 | configure_required_ = true;
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| 88 | }
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| 89 |
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| 90 | public void start()
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| 91 | {
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| 92 | int state = -1;
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| 93 | server_state_ = -1;
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| 94 | server_control_.updateControl();
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| 95 |
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| 96 | server_control_.displayMessage(dictionary.get("ServerControl.Starting"));
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| 97 | stop(true); // silent, no messages displayed
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| 98 |
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| 99 | // reconfigure if necessary
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| 100 | if (configure_required_){
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| 101 | server_control_.displayMessage(dictionary.get("ServerControl.Configuring"));
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| 102 | state = runTarget(CONFIGURE_CMD);
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| 103 |
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| 104 | if (state != RunTarget.SUCCESS){
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| 105 | recordError(CONFIGURE_CMD);
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| 106 | }
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[18673] | 107 | reload();
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[18558] | 108 | configure_required_ = false;
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| 109 | }
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| 110 | else{
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| 111 | recordSuccess(CONFIGURE_CMD);
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| 112 | }
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| 113 |
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| 114 | state = runTarget(START_CMD);
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| 115 |
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| 116 | if (state != RunTarget.SUCCESS){
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| 117 | recordError(START_CMD);
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| 118 | server_state_ = SERVER_START_FAILED;
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| 119 |
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| 120 | }
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| 121 | else{
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| 122 | recordSuccess(START_CMD);
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| 123 | server_state_ = SERVER_STARTED;
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| 124 | }
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| 125 |
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| 126 | server_control_.updateControl();
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| 127 | }
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| 128 |
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| 129 | protected void recordError(String message){
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[18673] | 130 | message = dictionary.get("ServerControl.Error",new String[]{message,gsdl_home});
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[18558] | 131 | server_control_.displayMessage(message);
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| 132 | logger_.error(dictionary.get("ServerControl.Failed",new String[]{message}));
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| 133 | }
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| 134 |
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| 135 |
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| 136 | protected void recordError(String message, Exception e){
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[18673] | 137 | message = dictionary.get("ServerControl.Error",new String[]{message,gsdl_home});
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[18558] | 138 | server_control_.displayMessage(message);
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| 139 | logger_.error(dictionary.get("ServerControl.Failed",new String[]{message}),e);
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| 140 | }
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| 141 |
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| 142 | protected void recordSuccess(String message){
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| 143 | message = dictionary.get("ServerControl.Success",new String[]{message});
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| 144 | server_control_.displayMessage(message);
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| 145 | logger_.info(message);
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| 146 | }
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| 147 |
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| 148 |
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[18673] | 149 | public abstract String getBrowserURL();
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| 150 | public abstract void reload(); // reload properties, since they may have changed
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| 151 |
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[18558] | 152 | public void launchBrowser() {
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| 153 | server_state_ = -1;
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| 154 | server_control_.updateControl();
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| 155 | String message = dictionary.get("ServerControl.LaunchingBrowser");
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| 156 | server_control_.displayMessage(message);
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[18673] | 157 | String url = getBrowserURL();
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| 158 | //recordError("**** browserURL: " + url);
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[18558] | 159 | BrowserLauncher launcher = new BrowserLauncher(build_properties.getProperty(BaseServer.Property.BROWSER_PATH),url);
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| 160 | logger_.info(message);
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| 161 |
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| 162 | launcher.start();
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| 163 |
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| 164 | //wait for a while
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| 165 | while(launcher.getBrowserState() == -1){
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| 166 | try{
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| 167 | Thread.sleep(3000);
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| 168 | }
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| 169 | catch(Exception e){
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| 170 | logger_.error(e);
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| 171 | }
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| 172 | }
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| 173 |
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| 174 | if (launcher.getBrowserState() != BrowserLauncher.LAUNCHSUCCESS ){
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| 175 | recordError(dictionary.get("ServerControl.LaunchBrowser"));
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| 176 | server_state_ = BROWSER_LAUNCH_FAILED;
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| 177 | }
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| 178 | else{
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| 179 | recordSuccess(dictionary.get("ServerControl.LaunchBrowser"));
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| 180 | server_state_ = BROWSER_LAUNCHED;
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| 181 | }
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| 182 |
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| 183 | server_control_.updateControl();
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| 184 | }
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| 185 |
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| 186 | public void restart(){
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| 187 | start();
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| 188 | if (server_state_ == SERVER_STARTED){
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| 189 | launchBrowser();
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| 190 | }
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| 191 | }
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| 192 |
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| 193 | // Preserving the current behaviour of stop() which is to
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| 194 | // display the message on stopping
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| 195 | public void stop() {
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| 196 | stop(false);
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| 197 | }
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| 198 |
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| 199 | public void stop(boolean silent) {
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| 200 | if(!silent) {
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| 201 | server_control_.displayMessage(dictionary.get("ServerControl.Stopping"));
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| 202 | }
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| 203 | int state = runTarget(STOP_CMD);
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| 204 |
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| 205 | if (state != RunTarget.SUCCESS){
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| 206 | recordError(STOP_CMD);
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| 207 | }
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| 208 | else{
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| 209 | recordSuccess(STOP_CMD);
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| 210 | }
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| 211 |
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| 212 | }
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| 213 |
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| 214 | public void reloadBuildProperties() {
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| 215 | try {
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[18673] | 216 | //InputStream in = this.getClass().getClassLoader().getResourceAsStream("build.properties");
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| 217 | FileInputStream in = new FileInputStream(build_properties_file);
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| 218 |
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[18558] | 219 | if (in != null) {
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| 220 | logger_.info("loading build properties");
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| 221 | build_properties.load(in);
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| 222 | in.close();
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| 223 | } else {
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| 224 | logger_.error("Couldn't load build properties!");
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| 225 | }
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| 226 | } catch (Exception e) {
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| 227 | logger_.error("Exception trying to reload build.properties: "+e);
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| 228 | }
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| 229 |
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| 230 | }
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| 231 |
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| 232 | }
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