1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to you under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.shale.remoting.logger;
19
20 import java.text.MessageFormat;
21 import org.apache.shale.remoting.logger.Logger;
22
23 /***
24 * <p>Abstract base class for {@link Logger} implementations.</p>
25 */
26 public abstract class AbstractLogger implements Logger {
27
28
29 // ------------------------------------------------------- Protected Methods
30
31
32 /***
33 * <p>Return a formatted message based on the specified parameters.</p>
34 *
35 * @param message Message string (treated as a message format if the
36 * <code>params</code> parameter has one or more elements)
37 * @param params Substitution parameters for a message format string,
38 * or <code>null</code> if there are no such parameters
39 */
40 protected String message(String message, Object[] params) {
41
42 if ((params == null) || (params.length < 1)) {
43 return message;
44 } else {
45 return MessageFormat.format(message, params);
46 }
47
48 }
49
50
51 }