X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FPlatform.java;h=2218f5d8b1f7c10dd67935e794e1bb602896855c;hb=797df64fa2a0a30773d0f48f5494d4155e5a8be3;hp=71ad6f7efce9a205b5d1ef0d718bb42daff20c64;hpb=31d4457b311d9954a2106623d318860c0c9dc151;p=jalview.git

diff --git a/src/jalview/util/Platform.java b/src/jalview/util/Platform.java
index 71ad6f7..2218f5d 100644
--- a/src/jalview/util/Platform.java
+++ b/src/jalview/util/Platform.java
@@ -1,19 +1,54 @@
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
+ * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * 
+ * Jalview is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty 
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ */
 package jalview.util;
 
 /**
  * System platform information used by Applet and Application
+ * 
  * @author Jim Procter
  */
 public class Platform
 {
   /**
    * sorry folks - Macs really are different
+   * 
    * @return true if we do things in a special way.
    */
   public boolean isAMac()
   {
-    return java.lang.System.getProperty("os.name").indexOf("Mac")>-1;
-    
+    return java.lang.System.getProperty("os.name").indexOf("Mac") > -1;
+
+  }
+
+  public boolean isHeadless()
+  {
+    String hdls = java.lang.System.getProperty("java.awt.headless");
+
+    return hdls != null && hdls.equals("true");
   }
 
+  /**
+   * 
+   * @return nominal maximum command line length for this platform
+   */
+  public static int getMaxCommandLineLength()
+  {
+    // TODO: determine nominal limits for most platforms.
+    return 2046; // this is the max length for a windows NT system.
+  }
 }