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/*
* Install.java - Main class of the installer
*
* Originally written by Slava Pestov for the jEdit installer project. This work
* has been placed into the public domain. You may use this work in any way and
* for any purpose you wish.
*
* THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND, NOT EVEN THE
* IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR OF THIS SOFTWARE, ASSUMES
* _NO_ RESPONSIBILITY FOR ANY CONSEQUENCE RESULTING FROM THE USE, MODIFICATION,
* OR REDISTRIBUTION OF THIS SOFTWARE.
*/
package installer;
import javax.swing.plaf.metal.*;
import javax.swing.*;
import java.io.*;
import java.util.Properties;
import java.security.*;
import java.net.URL;
public class Install
{
/**
* detects wether the installer is running from a path
* containing exclamation marks.
* This has been reported as a cause of failure on Linux and MS Windows :
* see bug #2065330 - Installer doesn't run on dir having ! as last char in name.
*/
private static boolean isRunningFromExclam()
{
Class me = Install.class;
ProtectionDomain domaine = me.getProtectionDomain();
CodeSource source = domaine.getCodeSource();
URL mySource = source.getLocation();
// In fact the check is more restrictive than required :
// a problem occurs only when the ! is at the end of directory
return mySource.toString().contains("!");
}
private static void errorAndExit(boolean isGUI, String message)
{
if(isGUI)
{
JTextArea messageCnt = new JTextArea(message);
JOptionPane.showMessageDialog(null,
messageCnt,
"jEdit installer error...", JOptionPane.ERROR_MESSAGE);
}
else
{
System.err.println(message);
}
System.exit(1);
}
public static void main(String[] args)
{
boolean isGUI = args.length == 0;
String javaVersion = System.getProperty("java.version");
if(javaVersion.compareTo("1.6") < 0)
{
errorAndExit(isGUI,
"You are running Java version "
+ javaVersion + " from "+System.getProperty("java.vendor")+".\n"
+"This installer requires Java 1.6 or later.");
}
if(isRunningFromExclam())
{
errorAndExit(isGUI,
"You are running the installer from a directory containing exclamation marks."
+ "\nIt is a known cause of failure of the installer"
+ "\n(http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4523159 for the curious ones)."
+ "\nPlease move the installer somewhere else and run it again.");
}
if(isGUI)
new SwingInstall();
else if(args.length == 1 && args[0].equals("text"))
new ConsoleInstall();
else if(args.length >= 2 && args[0].equals("auto"))
new NonInteractiveInstall(args);
else
{
System.err.println("Usage:");
System.err.println("java -jar <installer JAR>");
System.err.println("java -jar <installer JAR> text");
System.err.println("java -jar <installer JAR> auto"
+ " <install dir> [unix-script=<dir>] [unix-man=<dir>]");
System.err.println("text parameter starts installer in text-only mode.");
System.err.println("auto parameter starts installer in non-interactive mode.");
}
}
public Install()
{
props = new Properties();
try
{
InputStream in = getClass().getResourceAsStream("/installer/install.props");
props.load(in);
in.close();
}
catch(IOException io)
{
System.err.println("Error loading 'install.props':");
io.printStackTrace();
}
buf = new byte[32768];
}
public String getProperty(String name)
{
return props.getProperty(name);
}
public int getIntegerProperty(String name)
{
try
{
return Integer.parseInt(props.getProperty(name));
}
catch(Exception e)
{
return -1;
}
}
public void copy(InputStream in, String outfile, Progress progress)
throws IOException
{
File outFile = new File(outfile);
OperatingSystem.getOperatingSystem().mkdirs(outFile.getParent());
BufferedOutputStream out = new BufferedOutputStream(
new FileOutputStream(outFile));
int count;
for(;;)
{
count = in.read(buf,0,Math.min(in.available(),buf.length));
if(count == -1 || count == 0)
break;
out.write(buf,0,count);
if(progress != null)
progress.advance(count);
}
//in.close();
out.close();
}
// private members
private Properties props;
private byte[] buf;
}
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