1 files changed, 46 insertions, 0 deletions
diff --git a/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/NumberVerifyListener.java b/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/NumberVerifyListener.java
new file mode 100644
index 0000000000..1774209dae
--- /dev/null
+++ b/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/NumberVerifyListener.java
@@ -0,0 +1,46 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.qpid.management.ui.views;
+
+import org.eclipse.swt.events.VerifyEvent;
+import org.eclipse.swt.events.VerifyListener;
+
+/**
+ * Implementation of VeryfyListener for numeric values
+ * @author Bhupendra Bhardwaj
+ */
+public class NumberVerifyListener implements VerifyListener
+{
+    public void verifyText(VerifyEvent event)
+    {
+        String string = event.text;
+        char [] chars = new char [string.length ()];
+        string.getChars (0, chars.length, chars, 0);
+        for (int i=0; i<chars.length; i++)
+        {
+            if (!('0' <= chars [i] && chars [i] <= '9'))
+            {
+                event.doit = false;
+                return;
+            }
+        }
+    }
+}