1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one *
3 * or more contributor license agreements. See the NOTICE file *
4 * distributed with this work for additional information *
5 * regarding copyright ownership. The ASF licenses this file *
6 * to you under the Apache License, Version 2.0 (the *
7 * "License"); you may not use this file except in compliance *
8 * with the License. You may obtain a copy of the License at *
9 * *
10 * http://www.apache.org/licenses/LICENSE-2.0 *
11 * *
12 * Unless required by applicable law or agreed to in writing, *
13 * software distributed under the License is distributed on an *
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
15 * KIND, either express or implied. See the License for the *
16 * specific language governing permissions and limitations *
17 * under the License. *
18 */
19 package org.apache.rat.testhelpers;
20
21 import org.apache.rat.utils.Log;
22
23 /**
24 * Log that captures output for later review.
25 */
26 public class TestingLog implements Log {
27 /** The captured logging. */
28 private StringBuilder captured = new StringBuilder();
29 /** The log level to capture. */
30 private Log.Level level = Log.Level.INFO;
31
32 /**
33 * Clears the captured buffer.
34 */
35 public void clear() {
36 captured = new StringBuilder();
37 }
38
39 /**
40 * Gets the captured log entries.
41 * @return the log entries.
42 */
43 public String getCaptured() {
44 return captured.toString();
45 }
46
47 @Override
48 public Level getLevel() {
49 return level;
50 }
51
52 @Override
53 public void setLevel(Level level) {
54 this.level = level;
55 }
56
57 @Override
58 public void log(Level level, String msg) {
59 if (isEnabled(level))
60 captured.append(String.format("%s: %s%n", level, msg));
61 }
62
63 /**
64 * Determines if the log is empty.
65 * @return {@code true} if the log is empty.
66 */
67 public boolean isEmpty() {
68 return captured.isEmpty();
69 }
70 }