UninstallLauncher.java revision f71f7a61dec7c9089378d14493ad564a1dedf0b5
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Portions Copyright 2006-2007 Sun Microsystems, Inc.
*/
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.util.Utils;
/**
* This class is called by the uninstall command lines to launch the uninstall
* 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
{
/**
* The main method which is called by the uninstall command lines.
* @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");
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);
}
}
}
}
/**
* 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.
*/
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;
}
/**
* 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.
*/
private static int launchGuiUninstall(final String[] args)
{
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];
}
private static void printUsage()
{
String arg;
if (Utils.isWindows())
{
arg = Utils.getWindowsUninstallFileName();
} else
{
arg = Utils.getUnixUninstallFileName();
}
/*
* 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);
}
/**
* 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)
{
}
}
}