1 /*
2 * This file is part of dependency-check-ant.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 * Copyright (c) 2015 The OWASP Foundation. All Rights Reserved.
17 */
18 package org.slf4j.impl;
19
20 import org.apache.tools.ant.Task;
21 import org.owasp.dependencycheck.ant.logging.AntLoggerFactory;
22 import org.slf4j.ILoggerFactory;
23 import org.slf4j.spi.LoggerFactoryBinder;
24
25 /**
26 * The binding of org.slf4j.LoggerFactory class with an actual instance of
27 * org.slf4j.ILoggerFactory is performed using information returned by this
28 * class.
29 *
30 * @author colezlaw
31 */
32 //CSOFF: FinalClass
33 @SuppressWarnings({"squid:S1444", "squid:ClassVariableVisibilityCheck"})
34 public class StaticLoggerBinder implements LoggerFactoryBinder {
35 //CSON: FinalClass
36
37 /**
38 * The unique instance of this class
39 */
40 private static final StaticLoggerBinder SINGLETON = new StaticLoggerBinder();
41 /**
42 * Ant tasks have the log method we actually want to call. So we hang onto
43 * the task as a delegate
44 */
45 private Task task = null;
46
47 /**
48 * Declare the version of the SLF4J API this implementation is compiled
49 * against. The value of this filed is usually modified with each release.
50 */
51 // to avoid constant folding by the compiler, this field must *not* be final
52 //CSOFF: StaticVariableName
53 //CSOFF: VisibilityModifier
54 @SuppressWarnings("squid:S3008")
55 public static String REQUESTED_API_VERSION = "1.7.12"; // final
56 //CSON: VisibilityModifier
57 //CSON: StaticVariableName
58
59 /**
60 * The logger factory class string.
61 */
62 private static final String LOGGER_FACTORY_CLASS = AntLoggerFactory.class.getName();
63
64 /**
65 * The ILoggerFactory instance returned by the {@link #getLoggerFactory}
66 * method should always be the smae object
67 */
68 private ILoggerFactory loggerFactory;
69
70 /**
71 * Return the singleton of this class.
72 *
73 * @return the StaticLoggerBinder singleton
74 */
75 public static StaticLoggerBinder getSingleton() {
76 return SINGLETON;
77 }
78
79 /**
80 * Set the Task which will this is to log through.
81 *
82 * @param task the task through which to log
83 */
84 public void setTask(Task task) {
85 this.task = task;
86 loggerFactory = new AntLoggerFactory(task);
87 }
88
89 /**
90 * Constructs a new static logger binder.
91 */
92 private StaticLoggerBinder() {
93 loggerFactory = new AntLoggerFactory(task);
94 }
95
96 /**
97 * Returns the logger factory.
98 *
99 * @return the logger factory
100 */
101 @Override
102 public ILoggerFactory getLoggerFactory() {
103 return loggerFactory;
104 }
105
106 /**
107 * Returns the logger factory class string.
108 *
109 * @return the logger factory class string
110 */
111 @Override
112 public String getLoggerFactoryClassStr() {
113 return LOGGER_FACTORY_CLASS;
114 }
115 }