1 files changed, 50 insertions, 0 deletions
diff --git a/java/cluster/src/main/java/org/apache/qpid/server/cluster/util/LogMessage.java b/java/cluster/src/main/java/org/apache/qpid/server/cluster/util/LogMessage.java
new file mode 100644
index 0000000000..9824041358
--- /dev/null
+++ b/java/cluster/src/main/java/org/apache/qpid/server/cluster/util/LogMessage.java
@@ -0,0 +1,50 @@
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * 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.apache.qpid.server.cluster.util;
+
+import java.text.MessageFormat;
+
+/**
+ * Convenience class to allow log messages to be specified in terms
+ * of MessageFormat patterns with a variable set of parameters. The
+ * production of the string is only done if toSTring is called so it
+ * works well with debug level messages, allowing complex messages
+ * to be specified that are only evaluated if actually printed.
+ *
+ */
+public class LogMessage
+{
+    private final String _message;
+    private final Object[] _args;
+
+    public LogMessage(String message)
+    {
+        this(message, new Object[0]);
+    }
+
+    public LogMessage(String message, Object... args)
+    {
+        _message = message;
+        _args = args;
+    }
+
+    public String toString()
+    {
+        return MessageFormat.format(_message, _args);
+    }
+}