1 files changed, 53 insertions, 0 deletions
diff --git a/tags/2.1/src/main/java/org/mockftpserver/core/command/ReplyTextBundleUtil.java b/tags/2.1/src/main/java/org/mockftpserver/core/command/ReplyTextBundleUtil.java
new file mode 100644
index 0000000..b3fa0e4
--- /dev/null
+++ b/tags/2.1/src/main/java/org/mockftpserver/core/command/ReplyTextBundleUtil.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2007 the original author or authors.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.mockftpserver.core.command;
+
+import org.mockftpserver.core.util.Assert;
+
+import java.util.ResourceBundle;
+
+/**
+ * Contains common utility method to conditionally set the reply text ResourceBundle on a
+ * CommandHandler instance.
+ * 
+ * @version $Revision$ - $Date$
+ *
+ * @author Chris Mair
+ */
+public final class ReplyTextBundleUtil {
+
+    /**
+     * Set the <code>replyTextBundle</code> property of the specified CommandHandler to the 
+     * <code>ResourceBundle</code> if and only if the <code>commandHandler</code> implements the 
+     * {@link ReplyTextBundleAware} interface AND its <code>replyTextBundle</code> property 
+     * has not been set (is null).
+     * 
+     * @param commandHandler - the CommandHandler instance
+     * @param replyTextBundle - the ResourceBundle to use for localizing reply text
+     * 
+     * @throws org.mockftpserver.core.util.AssertFailedException - if the commandHandler is null
+     */
+    public static void setReplyTextBundleIfAppropriate(CommandHandler commandHandler, ResourceBundle replyTextBundle) {
+        Assert.notNull(commandHandler, "commandHandler");
+        if (commandHandler instanceof ReplyTextBundleAware) {
+            ReplyTextBundleAware replyTextBundleAware = (ReplyTextBundleAware) commandHandler;
+            if (replyTextBundleAware.getReplyTextBundle() == null) {
+                replyTextBundleAware.setReplyTextBundle(replyTextBundle);
+            }
+        }
+    }
+    
+}