[jboss-cvs] JBossAS SVN: r91299 - projects/mc-tools/grapher/trunk/src/main/java/org/jboss/mctools/grapher.

[jboss-cvs-commits at lists.jboss.org]

Author: alesj
Date: 2009-07-15 11:09:21 -0400 (Wed, 15 Jul 2009)
New Revision: 91299

Modified:
   projects/mc-tools/grapher/trunk/src/main/java/org/jboss/mctools/grapher/GrapherServlet.java
Log:
Use const.

Modified: projects/mc-tools/grapher/trunk/src/main/java/org/jboss/mctools/grapher/GrapherServlet.java
===================================================================
--- projects/mc-tools/grapher/trunk/src/main/java/org/jboss/mctools/grapher/GrapherServlet.java	2009-07-15 15:07:50 UTC (rev 91298)
+++ projects/mc-tools/grapher/trunk/src/main/java/org/jboss/mctools/grapher/GrapherServlet.java	2009-07-15 15:09:21 UTC (rev 91299)
@@ -60,6 +60,8 @@
 public class GrapherServlet extends HttpServlet
 {
    private Logger log = Logger.getLogger(getClass());
+
+   private static final String AWT_HEADLESS_FLAG = "java.awt.headless";
    private String previous;
 
    private KernelController controller;
@@ -101,7 +103,7 @@
          renderer = createInstance(defaultRenderer, renderers.get(GrapherConstants.FORMAT), Renderer.class);
 
       // apply headless graphics
-      previous = System.setProperty("java.awt.headless", "true");
+      previous = System.setProperty(AWT_HEADLESS_FLAG, "true");
       if ("false".equals(previous))
       {
          log.warn("Headless AWT was explicitly disabled, potential graph rendering conflict.");
@@ -112,9 +114,9 @@
    public void destroy()
    {
       if (previous == null)
-         System.clearProperty("java.awt.headless");
+         System.clearProperty(AWT_HEADLESS_FLAG);
       else
-         System.setProperty("java.awt.headless", previous);
+         System.setProperty(AWT_HEADLESS_FLAG, previous);
    }
 
    /**