Version 7, February 2009

[GpsPrune.git] / tim / prune / function / browser / BrowserLauncher.java

diff --git a/tim/prune/browser/BrowserLauncher.java b/tim/prune/function/browser/BrowserLauncher.java
similarity index 85%
rename from tim/prune/browser/BrowserLauncher.java
rename to tim/prune/function/browser/BrowserLauncher.java
index fe4c79a3586a42560f7fca072fadfb509ed1f40f..1decbc3f586de321d7208dad537804af297d4da6 100644 (file)
--- a/tim/prune/browser/BrowserLauncher.java
+++ b/tim/prune/function/browser/BrowserLauncher.java
@@ -1,4 +1,4 @@
-package tim.prune.browser;
+package tim.prune.function.browser;
 
 import javax.swing.JOptionPane;
 
@@ -6,15 +6,17 @@ import javax.swing.JOptionPane;
 /**
  * Class to launch a browser window to show an external map
  */
-public class BrowserLauncher
+public abstract class BrowserLauncher
 {
-       private String[] _browserCommand = null;
-       private boolean _urlNeedsQuotes = false;
+       private static boolean _initialised = false;
+       private static String[] _browserCommand = null;
+       private static boolean _urlNeedsQuotes = false;
+
 
        /**
-        * Constructor to set up browser
+        * Init method to set up browser
         */
-       public BrowserLauncher()
+       private static void init()
        {
                // First check if "which" command is available
                if (commandExists("which"))
@@ -45,8 +47,10 @@ public class BrowserLauncher
                                _urlNeedsQuotes = true;
                        }
                }
+               _initialised = true;
        }
 
+
        /**
         * Check if the specified command exists on the system
         * @param inCommand command to check
@@ -66,12 +70,14 @@ public class BrowserLauncher
                return false;
        }
 
+
        /**
         * Launch a browser window to show the given url
         * @param inUrl url to show
         */
-       public void launchBrowser(String inUrl)
+       public static void launchBrowser(String inUrl)
        {
+               if (!_initialised) {init();}
                if (_browserCommand == null) {
                        JOptionPane.showMessageDialog(null, "Cannot show url: " + inUrl);
                }