
/*
 * %W% %E%
 * 
 * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * -Redistribution of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
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 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
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 * be used to endorse or promote products derived from this software without 
 * specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL 
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
 * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
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 * You acknowledge that this software is not designed, licensed or intended
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 */

package jnlp.sample.JreInstaller;

import java.io.*;
import java.net.*;
import java.util.*;
import javax.swing.JOptionPane;

/**
 *
 * @version 1.14 05/15/03
 */
public class WindowsInstaller  {
    
    private static final String JAVAWS_REBOOT_FLAG_FILE = "jawsboot.ini";
    
    /**
     * Executes the passed in string, returning true if the process
     * succesfully completes, otherwise false.
     */
    public static boolean execute(String execString) {
        Config.trace("execute !" + execString + "!");
	try {
	    Process p = Runtime.getRuntime().exec(execString);
	    p.waitFor();
	}
	catch (IOException ioe) {
	    Config.trace("Got exception: " + ioe);
	    return false;
	}
	catch (InterruptedException ie) {
	    Config.trace("Got exception: " + ie);
	    return false;
	}
	return true;
    }
    
    /** Creates a temp. ISS file used to launch Windows installer */
    static File createTempISSScript(String jrepath, String version) throws IOException {
        if (jrepath.endsWith("\\")) {
            jrepath = jrepath.substring(0, jrepath.length() - 1);
        }
        String script = null;

	if (version.equals("1.4.1_02")) {
	    script =
		"[InstallShield Silent]\n" +
		"Version=v6.00.000\n" +
		"File=Response File\n" +
		"[File Transfer]\n" +
		"OverwrittenReadOnly=NoToAll\n" +
		"[{EFCE5837-FC21-11D6-9D24-00010240CE95}-DlgOrder]\n" +
		"Dlg0={EFCE5837-FC21-11D6-9D24-00010240CE95}-SdLicense-0\n" +
		"Count=3\n" +
		"Dlg1={EFCE5837-FC21-11D6-9D24-00010240CE95}-SetupType-0\n" +
		"Dlg2={EFCE5837-FC21-11D6-9D24-00010240CE95}-SdAskDestPath-0\n" +
		"[{EFCE5837-FC21-11D6-9D24-00010240CE95}-SdLicense-0]\n" +
		"Result=1\n" +
		"[{EFCE5837-FC21-11D6-9D24-00010240CE95}-SetupType-0]\n" +
		"Result=303\n" +
		"[{EFCE5837-FC21-11D6-9D24-00010240CE95}-SdAskDestPath-0]\n" +
		"szDir=" + jrepath + "\n" +
		"Result=1\n" +
		"[Application]\n" +
		"Name=Java 2 Runtime Environment, SE v" + version + "\n" +
		"Version=" + version + "\n" +
		"Company=JavaSoft\n" +
		"Lang=0009\n";
	} else if (Config.isHopper()) {
	    script =
		"[InstallShield Silent]\n" +
		"Version=v6.00.000\n" +
		"File=Response File\n" +
		"[File Transfer]\n" +
		"OverwrittenReadOnly=NoToAll\n" +
		"[{CD0159C9-17FB-11D6-A76A-00B0D079AF64}-DlgOrder]\n" +
		"Dlg0={CD0159C9-17FB-11D6-A76A-00B0D079AF64}-SdLicense-0\n" +
		"Count=3\n" +
		"Dlg1={CD0159C9-17FB-11D6-A76A-00B0D079AF64}-SetupType-0\n" +
		"Dlg2={CD0159C9-17FB-11D6-A76A-00B0D079AF64}-SdAskDestPath-0\n" +
		"[{CD0159C9-17FB-11D6-A76A-00B0D079AF64}-SdLicense-0]\n" +
		"Result=1\n" +
		"[{CD0159C9-17FB-11D6-A76A-00B0D079AF64}-SetupType-0]\n" +
		"Result=303\n" +
		"[{CD0159C9-17FB-11D6-A76A-00B0D079AF64}-SdAskDestPath-0]\n" +
		"szDir=" + jrepath + "\n" +
		"Result=1\n" +
		"[Application]\n" +
		"Name=Java 2 Runtime Environment, SE v" + version + "\n" +
		"Version=" + version + "\n" +
		"Company=JavaSoft\n" +
		"Lang=0009\n";
	} else if (Config.isMerlin()) {
	    script =
		"[InstallShield Silent]\n" +
		"Version=v6.00.000\n" +
		"File=Response File\n" +
		"[File Transfer]\n" +
		"OverwrittenReadOnly=NoToAll\n" +
		"[{F4588301-0A06-11D6-A761-00B0D079AF64}-DlgOrder]\n" +
		"Dlg0={EE21CE74-CD7F-11D5-A886-00B0D079AF64}-SdWelcome-0\n" +
		"Count=4\n" +
		"Dlg1={F4588301-0A06-11D6-A761-00B0D079AF64}-SdLicense-0\n" +
		"Dlg2={F4588301-0A06-11D6-A761-00B0D079AF64}-SdAskDestPath-0\n" +
		"Dlg3={F4588301-0A06-11D6-A761-00B0D079AF64}-SdAskOptions-0\n" +
		"[{F4588301-0A06-11D6-A761-00B0D079AF64}-SdWelcome-0]\n" +
		"Result=1\n" +
		"[{F4588301-0A06-11D6-A761-00B0D079AF64}-SdLicense-0]\n" +
		"Result=1\n" +
		"[{F4588301-0A06-11D6-A761-00B0D079AF64}-SdAskDestPath-0]\n" +
		"szDir=" + jrepath + "\n" +
		"Result=1\n" +
		"[{F4588301-0A06-11D6-A761-00B0D079AF64}-SdAskOptions-0]\n" +
		"Component-type=string\n" +
		"Component-count=0\n" +
		"Result=1\n" +
		"[Application]\n" +
		"Name=Java 2 Runtime Environment, SE v" + version + "\n" +
		"Version=" + version + "\n" +
		"Company=JavaSoft\n" +
		"Lang=0009\n";
	} else if (version.equals("1.3.1_08")) {
	    script =
		"[InstallShield Silent]\n" +
		"Version=v6.00.000\n" +
		"File=Response File\n" +
		"[File Transfer]\n" +
		"OverwrittenReadOnly=NoToAll\n" +
		"[{B11CAD0E-0E0F-11D7-88BE-0050DA21757E}-DlgOrder]\n" +
		"Dlg0={B11CAD0E-0E0F-11D7-88BE-0050DA21757E}-SdLicense-0\n" +
		"Count=3\n" +
		"Dlg1={B11CAD0E-0E0F-11D7-88BE-0050DA21757E}-SdAskDestPath-0\n" +
		"Dlg2={B11CAD0E-0E0F-11D7-88BE-0050DA21757E}-SdAskOptions-0\n" +
		"[{B11CAD0E-0E0F-11D7-88BE-0050DA21757E}-SdLicense-0]\n" +
		"Result=1\n" +
		"[{B11CAD0E-0E0F-11D7-88BE-0050DA21757E}-SdAskDestPath-0]\n" +
		"szDir=" + jrepath + "\n" +
		"Result=1\n" +
		"[{B11CAD0E-0E0F-11D7-88BE-0050DA21757E}-SdAskOptions-0]\n" +
		"Component-type=string\n" +
		"Component-count=0\n" +
		"Result=1\n" +
		"[Application]\n" +
		"Name=Java 2 Runtime Environment, SE v" + version + "\n" +
		"Version=" + version + "\n" +
		"Company=JavaSoft\n" +
		"Lang=0009\n";
	} else {
	    script = 
		"[InstallShield Silent]\n" +
		"Version=v5.00.000\n" +
		"File=Response File\n" +
		"[DlgOrder]\n" +
		"Dlg0=SdLicense-0\n" +
		"Dlg2=SdFinishReboot-0\n" +
		"Count=3\n" +
		"Dlg1=SdAskDestPath-0\n" +
		"[SdLicense-0]\n" +
		"Result=1\n" +
		"[SdAskDestPath-0]\n" +
		"szDir=" + jrepath + "\n" +
		"Result=1\n" +
		"[Application]\n" +
		"Name=Java Runtime Environment\n" +
		"Version=" + version + "\n" +
		"Company=JavaSoft\n" +
		"Lang=0009\n" +
		"[SdFinishReboot-0]\n" +
		"Result=1\n" +
		"BootOption=0\n";
	}
        
        File result = File.createTempFile("jre", "iss");
        result.deleteOnExit();
        PrintStream out  = new PrintStream(new FileOutputStream(result));
        out.println(script);
        out.close();
        return result;
    }
    
    /** Windows reboot manager */
    
    /**
     * Checks the version of the MSVCRT.DLL. If the version is too old,
     * the user is asked if they would like to reboot, otherwise JavaWS is
     * restarted.
     */
    static public boolean IsRebootNecessary() {
	long versionMS = getLongHexResource(Config.getMsvcrtVersionMS());
	long versionLS = getLongHexResource(Config.getMsvcrtVersionLS());
	
	Config.trace("versions: " + versionMS + " " + versionLS);
	
	File tmp = null;
	File flagFile = null;
	try {
	    tmp = File.createTempFile("javaws", "tmp");
	    if (tmp != null) {
		flagFile = new File(tmp.getParent() + File.separator +
				    JAVAWS_REBOOT_FLAG_FILE);
		tmp.delete();
	    }
	} catch (IOException ioe) {
	}
	if (new WindowsInstaller().needsReboot(versionMS, versionLS) ||
	    (flagFile != null && Config.isHopper() && flagFile.exists())) {
	    Config.trace("needs reboot");
	    return true;
	}
	return false;
    }
    
    /**
     * Prompts the user if they would like to reboot now, or later. If they
     * want to reboot now, <code>reboot</code>is invoked.
     */
    public static boolean askUserForReboot() {
	String message = Config.getRebootMessage();
	String title = Config.getRebootTitle();
	Object[] options = new Object[] {
	    Config.getRebootNowString(),
		Config.getRebootLaterString()
	};
	if (JOptionPane.showOptionDialog(null, message, title, -1,
					 JOptionPane.QUESTION_MESSAGE,
					 null, options, options[0]) == 0) {
	    WinRegistry.doReboot();
	    return true;
	}
	return false;
    }
        
    /**
     * Returns the resource named <code>key</code> this is a hex value
     * as a long.
     */
    static private long getLongHexResource(String value)
	throws MissingResourceException {
	long retValue = 0;
	int length = value.length();
	for (int counter = 0; counter < length; counter++) {
	    char aChar = value.charAt(counter);
	    retValue *= 16;
	    if (Character.isDigit(aChar)) {
		retValue += (aChar - '0');
	    }
	    else if (aChar >= 'a' && aChar <= 'f') {
		retValue += (10 + aChar - 'a');
	    }
	    else if (aChar >= 'A' && aChar <= 'F') {
		retValue += (10 + aChar - 'A');
	    }
	}
	return retValue;
    }
    
    /**
     * Native method that returns true if the current version of the JRE
     * is less than the passed in version.
     */
    private native boolean needsReboot(long versionMS, long versionLS);
    
    /**
     * Native method to do a reboot.
     */
    private native void reboot();
}


