/**
* This file is a part of Angry IP Scanner source code,
* see http://www.angryip.org/ for more information.
* Licensed under GPLv2.
*/
package net.azib.ipscan.gui.actions;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import net.azib.ipscan.config.LoggerFactory;
import net.azib.ipscan.config.Platform;
import net.azib.ipscan.core.UserErrorException;
/**
* The cross-platform terminal launcher
*
* @author Anton Keks
*/
public class TerminalLauncher {
static final Logger LOG = LoggerFactory.getLogger();
private static final int UNKNOWN = -1;
private static final int XTERM = 0;
private static final int GNOME = 1;
private static final int XFCE = 2;
private static final int KDE = 3;
/** caches last working terminal type */
private static int workingTerminal = UNKNOWN;
/**
* Launches the execString in the terminal.
* Supports Linux/Unix, MacOS, and Windows
* @param execString the command to launch
* @param workingDir the working directory (or null)
*/
public static void launchInTerminal(String execString, File workingDir) {
try {
if (Platform.WINDOWS) {
// generate a command file :-)
File batFile = File.createTempFile("launch", ".cmd");
batFile.deleteOnExit();
FileWriter writer = new FileWriter(batFile);
writer.write("@rem This is a temporary file generated by Angry IP Scanner\n" +
"@start cmd /k " + execString);
writer.close();
Runtime.getRuntime().exec(batFile.getAbsolutePath(), null, workingDir);
}
else
if (Platform.MAC_OS) {
Runtime.getRuntime().exec(new String[] {"osascript", "-e", "tell application \"Terminal\" to do script \"" + execString + "\""}, null, workingDir);
}
else { // assume Linux or other Unix
if (workingTerminal == UNKNOWN) {
detectWorkingTerminal();
}
// run detected terminal program
switch (workingTerminal) {
case GNOME:
Runtime.getRuntime().exec(new String[] {"gnome-terminal", "-x", "bash", "-c", execString + ";bash"}, null, workingDir);
break;
case XFCE:
Runtime.getRuntime().exec(new String[] {"xfce4-terminal", "-x", "sh", "-c", execString + ";sh"}, null, workingDir);
break;
case KDE:
Runtime.getRuntime().exec(new String[] {"konsole", "-e", "bash", "-c", execString + ";bash"}, null, workingDir);
break;
default: // XTERM
Runtime.getRuntime().exec(new String[] {"xterm", "-e", "sh", "-c", execString + ";sh"}, null, workingDir);
}
}
}
catch (Exception e) {
// log and display the error
LOG.log(Level.WARNING, "openTerminal.failed", e);
// if this is the first time, fall back to XTERM
if (workingTerminal != XTERM) {
workingTerminal = XTERM;
launchInTerminal(execString, workingDir);
}
else {
// even XTERM doesn't work...
throw new UserErrorException("openTerminal.failed", execString);
}
}
}
private static void detectWorkingTerminal() throws InterruptedException, IOException {
if (Runtime.getRuntime().exec(new String[] {"pidof", "nautilus"}).waitFor() == 0) {
workingTerminal = GNOME;
}
else
if (Runtime.getRuntime().exec(new String[] {"pidof", "xfce4-session", "xfwm4", "Thunar", "xfdesktop"}).waitFor() == 0) {
workingTerminal = XFCE;
}
else
if (Runtime.getRuntime().exec(new String[] {"pidof", "dcopserver"}).waitFor() == 0) {
workingTerminal = KDE;
}
else {
workingTerminal = XTERM;
}
}
}