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 package org.apache.log4j;
18
19 import org.apache.log4j.or.ObjectRenderer;
20 import org.apache.logging.log4j.message.Message;
21
22 /**
23 * Implements object rendering for Log4j 1.x compatibility.
24 */
25 public class RenderedMessage implements Message {
26
27 private final ObjectRenderer renderer;
28 private final Object object;
29 private String rendered = null;
30
31 public RenderedMessage(ObjectRenderer renderer, Object object) {
32 this.renderer = renderer;
33 this.object = object;
34 }
35
36
37 @Override
38 public String getFormattedMessage() {
39 if (rendered == null) {
40 rendered = renderer.doRender(object);
41 }
42
43 return rendered;
44 }
45
46 @Override
47 public String getFormat() {
48 return getFormattedMessage();
49 }
50
51 @Override
52 public Object[] getParameters() {
53 return null;
54 }
55
56 @Override
57 public Throwable getThrowable() {
58 return null;
59 }
60 }