/*
* Created on Jun 25, 2004
*
*/
package org.mindswap.swoop.utils.ui;
import java.io.IOException;
public class BrowserControl {
/**
* Display a file in the system browser. If you want to display a
* file, you must include the absolute path name.
*
* @param url the file's url (the url must start with either "http://"
or
* "file://").
*/
// Used to identify the windows platform.
private static final String WIN_ID = "Windows";
// The default system browser under windows.
private static final String WIN_PATH = "rundll32";
// The flag to display a url.
private static final String WIN_FLAG = "url.dll,FileProtocolHandler";
// The default browser under unix.
private static final String UNIX_PATH = "netscape";
// The flag to display a url.
private static final String UNIX_FLAG = "-remote openURL";
public static void displayURL(String url)
{
boolean windows = isWindowsPlatform();
String cmd = null;
try
{
if (windows)
{
// cmd = 'rundll32 url.dll,FileProtocolHandler http://...'
cmd = WIN_PATH + " " + WIN_FLAG + " " + url;
Process p = Runtime.getRuntime().exec(cmd);
}
else
{
// Under Unix, Netscape has to be running for the "-remote"
// command to work. So, we try sending the command and
// check for an exit value. If the exit command is 0,
// it worked, otherwise we need to start the browser.
// cmd = 'netscape -remote openURL(http://www.javaworld.com)'
// cmd = UNIX_PATH + " " + UNIX_FLAG + "(" + url + ")";
// Process p = Runtime.getRuntime().exec(cmd);
// try
// {
// wait for exit code -- if it's 0, command worked,
// otherwise we need to start the browser up.
// int exitCode = p.waitFor();
// if (exitCode != 0)
// {
// Command failed, start up the browser
// cmd = 'netscape http://www.javaworld.com'
cmd = UNIX_PATH + " " + url;
try {
Process p = Runtime.getRuntime().exec(cmd);
}
catch (Exception e) {
System.out.println("Error running command: "+cmd);
}
try {
Process p = Runtime.getRuntime().exec("open "+url);
}
catch (Exception e) {
System.out.println("Error running command: open "+url);
}
// }
// }
// catch(InterruptedException x)
// {
// System.err.println("Error bringing up browser, cmd='" +
// cmd + "'");
// System.err.println("Caught: " + x);
// }
// }
}
}
catch(IOException x)
{
// couldn't exec browser
System.err.println("Could not invoke browser, command=" + cmd);
System.err.println("Caught: " + x);
}
}
/**
* Try to determine whether this application is running under Windows
* or some other platform by examing the "os.name" property.
*
* @return true if this application is running under a Windows OS
*/
public static boolean isWindowsPlatform()
{
String os = System.getProperty("os.name");
if ( os != null && os.startsWith(WIN_ID))
return true;
else
return false;
}
}