From f738665ce7ea61f640e4219c8bfd590efea22650 Mon Sep 17 00:00:00 2001
From: kenneth_suter <kenneth_suter@localhost>
Date: Thu, 29 Mar 2007 21:37:27 +0000
Subject: [PATCH] - Created CliApplication interface which defines a common inteface between CliApplications and controlling logic.

---
 opends/src/quicksetup/org/opends/quicksetup/uninstaller/UninstallLauncher.java |  222 ++++++++++++-------------------------------------------
 1 files changed, 49 insertions(+), 173 deletions(-)

diff --git a/opends/src/quicksetup/org/opends/quicksetup/uninstaller/UninstallLauncher.java b/opends/src/quicksetup/org/opends/quicksetup/uninstaller/UninstallLauncher.java
index 1f21e61..0fb0adc 100644
--- a/opends/src/quicksetup/org/opends/quicksetup/uninstaller/UninstallLauncher.java
+++ b/opends/src/quicksetup/org/opends/quicksetup/uninstaller/UninstallLauncher.java
@@ -27,11 +27,8 @@
 
 package org.opends.quicksetup.uninstaller;
 
-import java.io.ByteArrayOutputStream;
-import java.io.PrintStream;
-
-import org.opends.quicksetup.SplashScreen;
-import org.opends.quicksetup.i18n.ResourceProvider;
+import org.opends.quicksetup.CliApplication;
+import org.opends.quicksetup.Launcher;
 import org.opends.quicksetup.util.Utils;
 
 /**
@@ -39,198 +36,77 @@
  * of the Directory Server. It just checks the command line arguments and the
  * environment and determines whether the graphical or the command line
  * based uninstall much be launched.
- *
  */
-public class UninstallLauncher
-{
+public class UninstallLauncher extends Launcher {
+
   /**
-   * The main method which is called by the uninstall command lines.
+   * The main method which is called by the setup command lines.
+   *
+   * @param args the arguments passed by the command lines.  In the case
+   * we want to launch the cli setup they are basically the arguments that we
+   * will pass to the org.opends.server.tools.InstallDS class.
+   */
+  public static void main(String[] args) {
+    new UninstallLauncher(args).launch();
+  }
+
+  /**
+   * Creates a launcher.
+   *
    * @param args the arguments passed by the command lines.
    */
-  public static void main(String[] args)
-  {
-    boolean printUsage = false;
-    boolean useCli = false;
-    if ((args != null) && (args.length > 0))
-    {
-      for (int i = 0; i < args.length; i++)
-      {
-        if (args[i].equalsIgnoreCase("--cli"))
-        {
-          useCli = true;
-        }
-        else if (args[i].equalsIgnoreCase("-H") ||
-            args[i].equalsIgnoreCase("--help"))
-        {
-          printUsage = true;
-        }
-      }
-
-      if (!useCli)
-      {
-        if (args.length > 0)
-        {
-          printUsage = true;
-        }
-      }
-    }
-    if (printUsage)
-    {
-      printUsage();
-      System.exit(1);
-    } else if (useCli)
-    {
-      int exitCode = launchCliUninstall(args);
-      if (exitCode != 0)
-      {
-        System.exit(exitCode);
-      }
-    } else
-    {
-      System.setProperty("org.opends.quicksetup.uninstall", "true");
-      System.setProperty("org.opends.quicksetup.Application.class",
-              "org.opends.quicksetup.uninstaller.Uninstaller");
-      int exitCode = launchGuiUninstall(args);
-      if (exitCode != 0)
-      {
-        System.err.println(getMsg("uninstall-launcher-gui-launched-failed"));
-        exitCode = launchCliUninstall(args);
-        if (exitCode != 0)
-        {
-          System.exit(exitCode);
-        }
-      }
-    }
+  public UninstallLauncher(String[] args) {
+    super(args);
   }
 
   /**
-   * Launches the command line based uninstall.
-   * @param args the arguments passed
-   * @return 0 if everything worked fine, and an error code if something wrong
-   * occurred.
+   * {@inheritDoc}
    */
-  private static int launchCliUninstall(String[] args)
-  {
-    System.setProperty("org.opends.quicksetup.cli", "true");
-
-    UninstallCli cli = new UninstallCli(args);
-    int returnValue = cli.run();
-    if (returnValue == UninstallCli.USER_DATA_ERROR)
-    {
-      printUsage();
-    }
-//    Add an extra space systematically
-    System.out.println();
-
-    return returnValue;
+  protected void guiLaunchFailed() {
+    System.err.println(getMsg("uninstall-launcher-gui-launched-failed"));
   }
 
   /**
-   * Launches the graphical uninstall. The graphical uninstall is launched in a
-   * different thread that the main thread because if we have a problem with the
-   * graphical system (for instance the DISPLAY environment variable is not
-   * correctly set) the native libraries will call exit. However if we launch
-   * this from another thread, the thread will just be killed.
-   *
-   * This code also assumes that if the call to SplashWindow.main worked (and
-   * the splash screen was displayed) we will never get out of it (we will call
-   * a System.exit() when we close the graphical uninstall dialog).
-   *
-   * @params String[] args the arguments used to call the SplashWindow main
-   *         method
-   * @return 0 if everything worked fine, or 1 if we could not display properly
-   *         the SplashWindow.
+   * {@inheritDoc}
    */
-  private static int launchGuiUninstall(final String[] args)
-  {
+  protected void willLaunchGui() {
     System.out.println(getMsg("uninstall-launcher-launching-gui"));
-    final int[] returnValue =
-      { -1 };
-    Thread t = new Thread(new Runnable()
-    {
-      public void run()
-      {
-        // Setup MacOSX native menu bar before AWT is loaded.
-        Utils.setMacOSXMenuBar(getMsg("frame-uninstall-title"));
-        SplashScreen.main(args);
-        returnValue[0] = 0;
-      }
-    });
-    /*
-     * This is done to avoid displaying the stack that might occur if there are
-     * problems with the display environment.
-     */
-    PrintStream printStream = System.err;
-    System.setErr(new EmptyPrintStream());
-    t.start();
-    try
-    {
-      t.join();
-    }
-    catch (InterruptedException ie)
-    {
-      /* An error occurred, so the return value will be -1.  We got nothing to
-      do with this exception. */
-    }
-    System.setErr(printStream);
-    return returnValue[0];
+    System.setProperty("org.opends.quicksetup.uninstall", "true");
+    System.setProperty("org.opends.quicksetup.Application.class",
+            "org.opends.quicksetup.uninstaller.Uninstaller");
   }
 
-  private static void printUsage()
-  {
+  /**
+   * {@inheritDoc}
+   */
+  protected CliApplication createCliApplication() {
+    return new Uninstaller();
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  protected String getFrameTitle() {
+    return getMsg("frame-uninstall-title");
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  protected void printUsage() {
     String arg;
-    if (Utils.isWindows())
-    {
+    if (Utils.isWindows()) {
       arg = Utils.getWindowsUninstallFileName();
-    } else
-    {
+    } else {
       arg = Utils.getUnixUninstallFileName();
     }
+    String msg = getMsg("uninstall-launcher-usage");
     /*
      * This is required because the usage message contains '{' characters that
      * mess up the MessageFormat.format method.
      */
-    String msg = getMsg("uninstall-launcher-usage");
     msg = msg.replace("{0}", arg);
-    System.err.println(msg);
+    printUsage(msg);
   }
 
-  /**
-   * The following three methods are just commodity methods to get localized
-   * messages.
-   */
-  private static String getMsg(String key)
-  {
-    return org.opends.server.util.StaticUtils.wrapText(getI18n().getMsg(key),
-        Utils.getCommandLineMaxLineWidth());
-  }
-
-  private static ResourceProvider getI18n()
-  {
-    return ResourceProvider.getInstance();
-  }
-
-  /**
-   * This class is used to avoid displaying the error message related to display
-   * problems that we might have when trying to display the SplashWindow.
-   *
-   */
-  static class EmptyPrintStream extends PrintStream
-  {
-    /**
-     * Default constructor.
-     *
-     */
-    public EmptyPrintStream()
-    {
-      super(new ByteArrayOutputStream(), true);
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public void println(String msg)
-    {
-    }
-  }
 }

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