From a1471cd4835c005ace0af36e5adc2fd1e61bb826 Mon Sep 17 00:00:00 2001
From: angryziber <angryziber@375186e5-ef17-0410-b0b6-91563547dcda>
Date: Wed, 9 Apr 2008 21:24:23 +0000
Subject: [PATCH] gnome default browser setting is now respected

git-svn-id: https://ipscan.svn.sourceforge.net/svnroot/ipscan/trunk@382 375186e5-ef17-0410-b0b6-91563547dcda
---
 .../ipscan/gui/actions/BrowserLauncher.java   | 44 +++++++++++++++----
 1 file changed, 35 insertions(+), 9 deletions(-)

diff --git a/src/net/azib/ipscan/gui/actions/BrowserLauncher.java b/src/net/azib/ipscan/gui/actions/BrowserLauncher.java
index e9d47888..79cb239e 100755
--- a/src/net/azib/ipscan/gui/actions/BrowserLauncher.java
+++ b/src/net/azib/ipscan/gui/actions/BrowserLauncher.java
@@ -5,6 +5,8 @@
  */
 package net.azib.ipscan.gui.actions;
 
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
 import java.lang.reflect.Method;
 
 import net.azib.ipscan.config.Platform;
@@ -17,6 +19,9 @@ import net.azib.ipscan.core.UserErrorException;
  */
 public class BrowserLauncher {
 	
+	private static final String[] BROWSERS = {"htmlview", "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape"};
+	private static String browser;
+	
 	/**
 	 * Opens an URL in the default browser.
 	 * Supports Linux/Unix, MacOS, and Windows
@@ -30,23 +35,44 @@ public class BrowserLauncher {
 			else
 			if (Platform.MAC_OS) {
 				Class<?> fileMgr = Class.forName("com.apple.eio.FileManager");
-				Method openURL = fileMgr.getDeclaredMethod("openURL", new Class[] { String.class });
+				Method openURL = fileMgr.getDeclaredMethod("openURL", new Class[] {String.class});
 				openURL.invoke(null, new Object[] { url });
 			}
 			else { // assume Linux or other Unix
 				// TODO: what if browser is already running as another user, not root?
-				String[] browsers = { "htmlview", "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };
-				String browser = null;
-				for (int count = 0; count < browsers.length && browser == null; count++)
-					if (Runtime.getRuntime().exec(new String[] { "which", browsers[count] }).waitFor() == 0)
-						browser = browsers[count];
-				if (browser == null)
-					throw new Exception("Could not find web browser");
-				Runtime.getRuntime().exec(new String[] { browser, url });
+				
+				if (browser == null) {
+					// try to detect gnome default browser
+					browser = execAndReturn("gconftool", "-g", "/desktop/gnome/applications/browser/exec");
+					// fall back to searching for known browsers
+					if (browser == null) {
+						for (int count = 0; count < BROWSERS.length && browser == null; count++)
+							if (Runtime.getRuntime().exec(new String[] {"which", BROWSERS[count]}).waitFor() == 0)
+								browser = BROWSERS[count];
+					}
+					if (browser == null)
+						throw new Exception("Could not find web browser");
+				}
+				Runtime.getRuntime().exec(new String[] {browser, url});
 			}
 		}
 		catch (Exception e) {
 			throw new UserErrorException("openURL.failed", url);
 		}
 	}
+	
+	private static String execAndReturn(String... exec) {
+		try {
+			Process p = Runtime.getRuntime().exec(exec);
+			if (p.waitFor() == 0) {
+				BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
+				String result = reader.readLine();
+				reader.close();
+				return result;
+			}
+		}
+		catch (Exception e) {
+		}
+		return null;
+	}
 }