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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.surefire.log.api;
20  
21  /**
22   * Decorator around {@link ConsoleLogger}.
23   * This class is loaded in the isolated ClassLoader and the child logger in the in-plugin ClassLoader.
24   *
25   * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
26   * @since 2.20
27   */
28  public final class ConsoleLoggerDecorator implements ConsoleLogger {
29      private final Object logger;
30  
31      public ConsoleLoggerDecorator(Object logger) {
32          if (logger == null) {
33              throw new NullPointerException("logger argument is null in " + ConsoleLoggerDecorator.class);
34          }
35          this.logger = logger;
36      }
37  
38      @Override
39      public boolean isDebugEnabled() {
40          return invokeReturnedBoolean("isDebugEnabled");
41      }
42  
43      @Override
44      public void debug(String message) {
45          invokeWithMessage(message, "debug");
46      }
47  
48      @Override
49      public boolean isInfoEnabled() {
50          return invokeReturnedBoolean("isInfoEnabled");
51      }
52  
53      @Override
54      public void info(String message) {
55          invokeWithMessage(message, "info");
56      }
57  
58      @Override
59      public boolean isWarnEnabled() {
60          return invokeReturnedBoolean("isWarnEnabled");
61      }
62  
63      @Override
64      public void warning(String message) {
65          invokeWithMessage(message, "warning");
66      }
67  
68      @Override
69      public boolean isErrorEnabled() {
70          return invokeReturnedBoolean("isErrorEnabled");
71      }
72  
73      @Override
74      public void error(String message) {
75          invokeWithMessage(message, "error");
76      }
77  
78      @Override
79      public void error(String message, Throwable t) {
80          try {
81              logger.getClass().getMethod("error", String.class, Throwable.class).invoke(logger, message, t);
82          } catch (Exception e) {
83              throw new IllegalStateException(e.getLocalizedMessage(), e);
84          }
85      }
86  
87      @Override
88      public void error(Throwable t) {
89          try {
90              logger.getClass().getMethod("error", Throwable.class).invoke(logger, t);
91          } catch (Exception e) {
92              throw new IllegalStateException(e.getLocalizedMessage(), e);
93          }
94      }
95  
96      private boolean invokeReturnedBoolean(String isErrorEnabled) {
97          try {
98              return (Boolean) logger.getClass().getMethod(isErrorEnabled).invoke(logger);
99          } catch (Exception e) {
100             throw new IllegalStateException(e.getLocalizedMessage(), e);
101         }
102     }
103 
104     private void invokeWithMessage(String message, String error) {
105         try {
106             logger.getClass().getMethod(error, String.class).invoke(logger, message);
107         } catch (Exception e) {
108             throw new IllegalStateException(e.getLocalizedMessage(), e);
109         }
110     }
111 }