[5857] | 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.actions;
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| 3 |
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| 4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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| 5 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 6 |
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| 7 | import java.awt.event.ActionEvent;
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| 8 | import java.awt.event.KeyEvent;
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| 9 | import java.io.File;
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| 10 | import java.io.IOException;
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| 11 | import java.lang.management.ManagementFactory;
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[5904] | 12 | import java.util.ArrayList;
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| 13 | import java.util.Arrays;
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[5857] | 14 | import java.util.List;
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| 15 |
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| 16 | import org.openstreetmap.josm.Main;
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| 17 | import org.openstreetmap.josm.gui.HelpAwareOptionPane.ButtonSpec;
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| 18 | import org.openstreetmap.josm.tools.ImageProvider;
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| 19 | import org.openstreetmap.josm.tools.Shortcut;
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| 20 |
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| 21 | /**
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| 22 | * Restarts JOSM as it was launched. Comes from "restart" plugin, originally written by Upliner.
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[6830] | 23 | * <br><br>
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[5857] | 24 | * Mechanisms have been improved based on #8561 discussions and <a href="http://lewisleo.blogspot.jp/2012/08/programmatically-restart-java.html">this article</a>.
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| 25 | * @since 5857
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| 26 | */
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| 27 | public class RestartAction extends JosmAction {
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| 28 |
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[7487] | 29 | // AppleScript to restart OS X package
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| 30 | private static final String RESTART_APPLE_SCRIPT =
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| 31 | "tell application \"System Events\"\n"
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| 32 | + "repeat until not (exists process \"JOSM\")\n"
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| 33 | + "delay 0.2\n"
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| 34 | + "end repeat\n"
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| 35 | + "end tell\n"
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| 36 | + "tell application \"JOSM\" to activate";
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| 37 |
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[5857] | 38 | /**
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| 39 | * Constructs a new {@code RestartAction}.
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| 40 | */
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| 41 | public RestartAction() {
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| 42 | super(tr("Restart"), "restart", tr("Restart the application."),
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| 43 | Shortcut.registerShortcut("file:restart", tr("File: {0}", tr("Restart")), KeyEvent.VK_J, Shortcut.ALT_CTRL_SHIFT), false);
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| 44 | putValue("help", ht("/Action/Restart"));
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| 45 | putValue("toolbar", "action/restart");
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| 46 | Main.toolbar.register(this);
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[5951] | 47 | setEnabled(isRestartSupported());
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[5857] | 48 | }
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| 49 |
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[6084] | 50 | @Override
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[5857] | 51 | public void actionPerformed(ActionEvent e) {
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[6125] | 52 | // If JOSM has been started with property 'josm.restart=true' this means
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| 53 | // it is executed by a start script that can handle restart.
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| 54 | // Request for restart is indicated by exit code 9.
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| 55 | String scriptRestart = System.getProperty("josm.restart");
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| 56 | if ("true".equals(scriptRestart)) {
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| 57 | Main.exitJosm(true, 9);
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| 58 | }
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[6830] | 59 |
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[5857] | 60 | try {
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| 61 | restartJOSM();
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| 62 | } catch (IOException ex) {
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[6643] | 63 | Main.error(ex);
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[5857] | 64 | }
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| 65 | }
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[6069] | 66 |
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[5857] | 67 | /**
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[5967] | 68 | * Determines if restarting the application should be possible on this platform.
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[5951] | 69 | * @return {@code true} if the mandatory system property {@code sun.java.command} is defined, {@code false} otherwise.
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| 70 | * @since 5951
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| 71 | */
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| 72 | public static boolean isRestartSupported() {
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| 73 | return System.getProperty("sun.java.command") != null;
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| 74 | }
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[6069] | 75 |
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[5951] | 76 | /**
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[5857] | 77 | * Restarts the current Java application
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| 78 | * @throws IOException
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| 79 | */
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| 80 | public static void restartJOSM() throws IOException {
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[6125] | 81 | if (isRestartSupported() && !Main.exitJosm(false, 0)) return;
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[5857] | 82 | try {
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[7487] | 83 | final List<String> cmd = new ArrayList<>();
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| 84 | // special handling for OSX .app package
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| 85 | if (Main.isPlatformOsx() && System.getProperty("java.library.path").contains("/JOSM.app/Contents/MacOS")) {
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| 86 | cmd.add("/usr/bin/osascript");
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| 87 | for (String line : RESTART_APPLE_SCRIPT.split("\n")) {
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| 88 | cmd.add("-e");
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| 89 | cmd.add(line);
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[5857] | 90 | }
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| 91 | } else {
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[7757] | 92 | // java binary
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| 93 | final String java = System.getProperty("java.home") + File.separator + "bin" + File.separator +
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| 94 | (Main.isPlatformWindows() ? "java.exe" : "java");
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| 95 | if (!new File(java).isFile()) {
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| 96 | throw new IOException("Unable to find suitable java runtime at "+java);
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| 97 | }
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| 98 | cmd.add(java);
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[7487] | 99 | // vm arguments
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[7756] | 100 | List<String> arguments = ManagementFactory.getRuntimeMXBean().getInputArguments();
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| 101 | if (Main.isDebugEnabled()) {
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| 102 | Main.debug("VM arguments: "+arguments.toString());
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| 103 | }
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| 104 | for (String arg : arguments) {
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[7758] | 105 | // When run from jp2launcher.exe, jnlpx.remove is true, while it is not when run from javaws
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| 106 | // Always set it to false to avoid error caused by a missing jnlp file on the second restart
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| 107 | arg = arg.replace("-Djnlpx.remove=true", "-Djnlpx.remove=false");
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[7487] | 108 | // if it's the agent argument : we ignore it otherwise the
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| 109 | // address of the old application and the new one will be in conflict
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| 110 | if (!arg.contains("-agentlib")) {
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| 111 | cmd.add(arg);
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| 112 | }
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| 113 | }
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[7757] | 114 | // program main and program arguments (be careful a sun property. might not be supported by all JVM)
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| 115 | String[] mainCommand = System.getProperty("sun.java.command").split(" ");
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| 116 | // look for a .jar in all chunks to support paths with spaces (fix #9077)
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| 117 | String jarPath = mainCommand[0];
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| 118 | for (int i = 1; i < mainCommand.length && !jarPath.endsWith(".jar"); i++) {
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| 119 | jarPath += " " + mainCommand[i];
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| 120 | }
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| 121 | // program main is a jar
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| 122 | if (jarPath.endsWith(".jar")) {
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| 123 | // if it's a jar, add -jar mainJar
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| 124 | cmd.add("-jar");
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| 125 | cmd.add(new File(jarPath).getPath());
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[7487] | 126 | } else {
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[7757] | 127 | // else it's a .class, add the classpath and mainClass
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| 128 | cmd.add("-cp");
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| 129 | cmd.add("\"" + System.getProperty("java.class.path") + "\"");
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| 130 | cmd.add(mainCommand[0]);
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[7487] | 131 | }
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[7757] | 132 | // if it's webstart add JNLP file. Use jnlpx.origFilenameArg instead of jnlp.application.href,
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| 133 | // because only this one is present when run from j2plauncher.exe (see #10795)
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| 134 | String jnlp = System.getProperty("jnlpx.origFilenameArg");
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| 135 | if (jnlp != null) {
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| 136 | cmd.add(jnlp);
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[7487] | 137 | }
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[7757] | 138 | // finally add program arguments
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| 139 | cmd.addAll(Arrays.asList(Main.commandLineArgs));
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[5857] | 140 | }
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[5967] | 141 | Main.info("Restart "+cmd);
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[7756] | 142 | if (Main.isDebugEnabled() && Main.pref.getBoolean("restart.debug.simulation")) {
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| 143 | Main.debug("Restart cancelled to get debug info");
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| 144 | return;
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| 145 | }
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[5857] | 146 | // execute the command in a shutdown hook, to be sure that all the
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| 147 | // resources have been disposed before restarting the application
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| 148 | Runtime.getRuntime().addShutdownHook(new Thread() {
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| 149 | @Override
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| 150 | public void run() {
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| 151 | try {
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[6083] | 152 | Runtime.getRuntime().exec(cmd.toArray(new String[cmd.size()]));
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[5857] | 153 | } catch (IOException e) {
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[6643] | 154 | Main.error(e);
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[5857] | 155 | }
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| 156 | }
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| 157 | });
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| 158 | // exit
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| 159 | System.exit(0);
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| 160 | } catch (Exception e) {
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| 161 | // something went wrong
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| 162 | throw new IOException("Error while trying to restart the application", e);
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| 163 | }
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| 164 | }
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[6069] | 165 |
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[5857] | 166 | /**
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| 167 | * Returns a new {@code ButtonSpec} instance that performs this action.
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| 168 | * @return A new {@code ButtonSpec} instance that performs this action.
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| 169 | */
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| 170 | public static ButtonSpec getRestartButtonSpec() {
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| 171 | return new ButtonSpec(
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| 172 | tr("Restart"),
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| 173 | ImageProvider.get("restart"),
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| 174 | tr("Restart the application."),
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[5951] | 175 | ht("/Action/Restart"),
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| 176 | isRestartSupported()
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[5857] | 177 | );
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| 178 | }
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| 179 |
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| 180 | /**
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| 181 | * Returns a new {@code ButtonSpec} instance that do not perform this action.
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| 182 | * @return A new {@code ButtonSpec} instance that do not perform this action.
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| 183 | */
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| 184 | public static ButtonSpec getCancelButtonSpec() {
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| 185 | return new ButtonSpec(
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| 186 | tr("Cancel"),
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| 187 | ImageProvider.get("cancel"),
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| 188 | tr("Click to restart later."),
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| 189 | null /* no specific help context */
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| 190 | );
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| 191 | }
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[6069] | 192 |
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[5857] | 193 | /**
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| 194 | * Returns default {@code ButtonSpec} instances for this action (Restart/Cancel).
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| 195 | * @return Default {@code ButtonSpec} instances for this action.
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| 196 | * @see #getRestartButtonSpec
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| 197 | * @see #getCancelButtonSpec
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| 198 | */
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| 199 | public static ButtonSpec[] getButtonSpecs() {
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| 200 | return new ButtonSpec[] {
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| 201 | getRestartButtonSpec(),
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| 202 | getCancelButtonSpec()
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| 203 | };
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| 204 | }
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| 205 | }
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