Changeset 718 for trunk/java-utils/src/main/java/de/ugoe/cs/util/console/CommandExecuter.java

Timestamp:

08/30/12 17:04:16 (12 years ago)

Author:

sherbold

Message:

• added command man that prints manuals of commands to the console
• added manuals für the commands exec, exit, listCommands, man, and trainMarkovModel

File:

• trunk/java-utils/src/main/java/de/ugoe/cs/util/console/CommandExecuter.java (modified) (2 diffs)

trunk/java-utils/src/main/java/de/ugoe/cs/util/console/CommandExecuter.java

@@ -155 +155 @@
      *         otherwise
      */
-    private Command loadCMD(String className) {
+    public Command loadCMD(String className) {
         Command cmd = null;
         try {
@@ -171 +171 @@
         catch (ClassCastException e) {
             Console.traceln(Level.WARNING, className + "found, but does not implement Command");
+        }
+        return cmd;
+    }
+    
+    /**
+     * <p>
+     * Helper method that loads a class and tries to cast it to {@link Command}.
+     * </p>
+     * 
+     * @param className
+     *            qualified name of the class (including package name)
+     * @return if class is available and implement {@link Command} and instance of the class, null
+     *         otherwise
+     */
+    public Command getCMD(String commandName) {
+        Command cmd = null;
+        for (int i = 0; cmd == null && i < commandPackageList.size(); i++) {
+            cmd = loadCMD(commandPackageList.get(i) + "." + cmdPrefix + commandName);
+        }
+        if (cmd == null) { // check if command is available as default command
+            cmd = loadCMD(defaultPackage + "." + cmdPrefix + commandName);
         }
         return cmd;