/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying * information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2007 Sun Microsystems, Inc.
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*/
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package org.opends.statuspanel;
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import java.io.ByteArrayOutputStream;
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import java.io.PrintStream;
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import org.opends.quicksetup.util.Utils;
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import org.opends.statuspanel.i18n.ResourceProvider;
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/**
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* This class is called by the control panel command lines to launch the
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* control panel of the Directory Server.
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*
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*/
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public class StatusPanelLauncher
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{
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private static String COMMAND_NAME_WINDOWS = "statuspanel.bat";
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private static String COMMAND_NAME_UNIX = "statuspanel";
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/**
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* The main method which is called by the control panel command lines.
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* @param args the arguments passed by the command lines.
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*/
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public static void main(String[] args)
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{
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boolean printUsage = false;
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if ((args != null) && (args.length > 4))
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{
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printUsage = true;
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}
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if (printUsage)
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{
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printUsage();
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System.exit(1);
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} else
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{
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int exitCode = launchGuiStatusPanel(args);
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if (exitCode != 0)
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{
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System.err.println(getMsg("status-panel-launcher-gui-launch-failed"));
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System.exit(exitCode);
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}
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}
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}
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/**
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* Launches the graphical status panel. It is launched in a
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* different thread that the main thread because if we have a problem with the
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* graphical system (for instance the DISPLAY environment variable is not
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* correctly set) the native libraries will call exit. However if we launch
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* this from another thread, the thread will just be killed.
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*
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* This code also assumes that if the call to SplashWindow.main worked (and
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* the splash screen was displayed) we will never get out of it (we will call
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* a System.exit() when we close the graphical uninstall dialog).
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*
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* @params String[] args the arguments used to call the SplashWindow main
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* method
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* @return 0 if everything worked fine, or 1 if we could not display properly
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* the SplashWindow.
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*/
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private static int launchGuiStatusPanel(final String[] args)
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{
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final int[] returnValue = { -1 };
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Thread t = new Thread(new Runnable()
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{
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public void run()
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{
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SplashScreen.main(args);
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returnValue[0] = 0;
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}
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});
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/*
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* This is done to avoid displaying the stack that might occur if there are
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* problems with the display environment.
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*/
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PrintStream printStream = System.err;
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//System.setErr(new EmptyPrintStream());
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t.start();
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try
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{
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t.join();
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}
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catch (InterruptedException ie)
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{
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/* An error occurred, so the return value will be -1. We got nothing to
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do with this exception. */
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}
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System.setErr(printStream);
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return returnValue[0];
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}
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private static void printUsage()
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{
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String arg;
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if (Utils.isWindows())
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{
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arg = COMMAND_NAME_WINDOWS;
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} else
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{
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arg = COMMAND_NAME_UNIX;
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}
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/*
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* This is required because the usage message contains '{' characters that
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* mess up the MessageFormat.format method.
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*/
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String msg = getMsg("status-panel-launcher-usage");
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msg = msg.replace("{0}", arg);
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System.err.println(msg);
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}
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/**
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* The following three methods are just commodity methods to get localized
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* messages.
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*/
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private static String getMsg(String key)
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{
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return org.opends.server.util.StaticUtils.wrapText(getI18n().getMsg(key),
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Utils.getCommandLineMaxLineWidth());
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}
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private static ResourceProvider getI18n()
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{
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return ResourceProvider.getInstance();
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}
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/**
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* This class is used to avoid displaying the error message related to display
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* problems that we might have when trying to display the SplashWindow.
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*
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*/
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static class EmptyPrintStream extends PrintStream
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{
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/**
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* Default constructor.
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*
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*/
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public EmptyPrintStream()
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{
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super(new ByteArrayOutputStream(), true);
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}
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/**
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* {@inheritDoc}
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*/
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public void println(String msg)
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{
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}
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}
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}
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