X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fbin%2FCache.java;h=195ad2987e08cad8809fa47f44198a00c84884d1;hb=9d130129339a0282acccaa70f3b2fcd62822f0ac;hp=72fec6cfcc3ef064b7e8bf725b6c2f9a86c8b182;hpb=7bc226b58110fa26d9dbd3f0c78095d06909ffc3;p=jalview.git

diff --git a/src/jalview/bin/Cache.java b/src/jalview/bin/Cache.java
index 72fec6c..195ad29 100755
--- a/src/jalview/bin/Cache.java
+++ b/src/jalview/bin/Cache.java
@@ -334,5 +334,42 @@ public class Cache
     }
     return (vamsasJarsArePresent > 0);
   }
+  /**
+   * internal vamsas class discovery state
+   */
+  private static int groovyJarsArePresent = -1;
+  /**
+   * Searches for vamsas client classes on class path.
+   * @return true if vamsas client is present on classpath
+   */
+  public static boolean groovyJarsPresent()
+  {
+    if (groovyJarsArePresent == -1)
+    {
+      try
+      {
+        if (Cache.class.getClassLoader().loadClass(
+            "groovy.lang.GroovyObject") != null)
+        {
+          jalview.bin.Cache.log.debug(
+              "Found Groovy (groovy.lang.GroovyObject can be loaded)");
+          groovyJarsArePresent = 1;
+          Logger lgclient = Logger.getLogger("groovy");
+          lgclient.setLevel(Level.toLevel(Cache.getDefault("logs.Groovy.Level",
+              Level.INFO.toString())));
+
+          lgclient.addAppender(log.getAppender("JalviewLogger"));
+          // Tell the user that debug is enabled
+          lgclient.debug("Jalview Groovy Client Debugging Output Follows.");
+        }
+      }
+      catch (Exception e)
+      {
+        groovyJarsArePresent = 0;
+        jalview.bin.Cache.log.debug("Groovy Classes are not present");
+      }
+    }
+    return (groovyJarsArePresent > 0);
+  }
 
 }