Issue #3181 Add check for valid array index.

Change-Id: I8e0a37bdd094b341da2ce42922a16d840d1ab468

Former-commit-id: adf6d95c01 [formerly ca01934f9e9d355dd4159fd472e2aa9bc0918898]
Former-commit-id: a1f25b8748

edexOsgi/com.raytheon.uf.common.archive/src/com/raytheon/uf/common/archive/config/ArchiveConfigManager.java

@@ -97,6 +97,7 @@ import com.raytheon.uf.common.util.FileUtil;
  *                                     populate the display label.
  * Apr 01, 2014 2862       rferrel     Moved purge only routines to ArchivePurgeManager.
  * Apr 29, 2014 3036       rferrel     Check for missing archive root directories.
+ * May 22, 2014 3181       rferrel     Add check for valid array index.
  * </pre>
  * 
  * @author rferrel
@@ -658,6 +659,14 @@ public class ArchiveConfigManager {
                     tmpDirs.clear();
                     int subExprIndex = 0;
 
+                    /*
+                     * Will never match when pattern's directories shorter then
+                     * directories being scanned.
+                     */
+                    if ((tokens.length - rootFileDepth) > subExpr.length) {
+                        continue DIR_PATTERN_LOOP;
+                    }
+
                     for (int i = rootFileDepth; i < tokens.length; i++) {
                         Pattern subPattern = Pattern.compile("^"
                                 + subExpr[subExprIndex++] + "$");