SF.net SVN: fenggui:[638] src/org/fenggui/binding/clipboard/AWTClipboard. java

[<mar...@us...>]

Revision: 638
          http://fenggui.svn.sourceforge.net/fenggui/?rev=638&view=rev
Author:   marcmenghin
Date:     2009-05-20 13:26:20 +0000 (Wed, 20 May 2009)

Log Message:
-----------
- added security check to system clipboard. FengGUI should start up now but clipboard will not work if no permissions exist.

Modified Paths:
--------------
    src/org/fenggui/binding/clipboard/AWTClipboard.java

Modified: src/org/fenggui/binding/clipboard/AWTClipboard.java
===================================================================
--- src/org/fenggui/binding/clipboard/AWTClipboard.java	2009-05-08 21:06:01 UTC (rev 637)
+++ src/org/fenggui/binding/clipboard/AWTClipboard.java	2009-05-20 13:26:20 UTC (rev 638)
@@ -27,6 +27,8 @@
 import java.awt.datatransfer.UnsupportedFlavorException;
 import java.io.IOException;
 
+import org.fenggui.util.Log;
+
 /**
  * 
  * @author marcmenghin, last edited by $Author$, $Date$
@@ -39,7 +41,21 @@
 
   public AWTClipboard()
   {
-    clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
+    SecurityManager security = System.getSecurityManager();
+    if (security != null)
+    {
+      try
+      {
+        security.checkSystemClipboardAccess();
+        clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
+      }
+      catch (SecurityException e)
+      {
+        Log.warn("No permissions to access the system clipboard. Clipboard will not work.");
+      }
+    } else {
+      clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
+    }
   }
 
   /* (non-Javadoc)
@@ -47,6 +63,9 @@
    */
   public String getText()
   {
+    if (clipboard == null)
+      return "";
+    
     Transferable contents = clipboard.getContents(null);
     String result = "";
 
@@ -74,6 +93,9 @@
    */
   public void setText(String text)
   {
+    if (clipboard == null)
+      return;
+    
     //System.out.println("Clipboard-set: " + text);
     clipboard.setContents(new StringSelection(text), new ClipboardOwner()
     {


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