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.maven.plugin;
20
21 import java.lang.reflect.Array;
22
23 import org.codehaus.plexus.component.configurator.ConfigurationListener;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
26
27 /**
28 * Log at debug level the mojo configuration.
29 *
30 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
31 */
32 @Deprecated
33 public class DebugConfigurationListener implements ConfigurationListener {
34 private final Logger logger;
35
36 /**
37 * @deprecated Use {@link #DebugConfigurationListener(Logger)} instead.
38 */
39 @Deprecated
40 public DebugConfigurationListener(org.codehaus.plexus.logging.Logger logger) {
41 this(LoggerFactory.getLogger(logger.getName()));
42 }
43
44 public DebugConfigurationListener(Logger logger) {
45 this.logger = logger;
46 }
47
48 public void notifyFieldChangeUsingSetter(String fieldName, Object value, Object target) {
49 if (logger.isDebugEnabled()) {
50 logger.debug(" (s) " + fieldName + " = " + toString(value));
51 }
52 }
53
54 public void notifyFieldChangeUsingReflection(String fieldName, Object value, Object target) {
55 if (logger.isDebugEnabled()) {
56 logger.debug(" (f) " + fieldName + " = " + toString(value));
57 }
58 }
59
60 /**
61 * Creates a human-friendly string representation of the specified object.
62 *
63 * @param obj The object to create a string representation for, may be <code>null</code>.
64 * @return The string representation, never <code>null</code>.
65 */
66 private String toString(Object obj) {
67 String str;
68 if (obj != null && obj.getClass().isArray()) {
69 int n = Array.getLength(obj);
70 StringBuilder buf = new StringBuilder(256);
71 buf.append('[');
72 for (int i = 0; i < n; i++) {
73 if (i > 0) {
74 buf.append(", ");
75 }
76 buf.append(String.valueOf(Array.get(obj, i)));
77 }
78 buf.append(']');
79 str = buf.toString();
80 } else {
81 str = String.valueOf(obj);
82 }
83 return str;
84 }
85 }