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