View Javadoc

1   package org.apache.maven.scm.provider.accurev.cli;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *    http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.regex.Pattern;
23  
24  import org.apache.maven.scm.log.ScmLogger;
25  import org.codehaus.plexus.util.cli.StreamConsumer;
26  
27  final class ErrorConsumer
28      implements StreamConsumer
29  {
30  
31      private static final Pattern[] SKIPPED_WARNINGS = {
32          Pattern.compile( ".*replica sync on the master server.*"),
33          Pattern.compile( "No elements selected.*" ),
34          Pattern.compile( "You are not in a directory.*" ),
35          Pattern.compile( "Note.*" ),
36          Pattern.compile( "\\s+(members,|conjunction).*" ) };
37  
38      private final ScmLogger logger;
39  
40      private final StringBuilder errors;
41  
42      public ErrorConsumer( ScmLogger logger, StringBuilder errors )
43      {
44          this.logger = logger;
45          this.errors = errors;
46      }
47  
48      public void consumeLine( String line )
49      {
50          errors.append( line );
51          errors.append( '\n' );
52  
53          boolean matched = false;
54  
55          // if debugging log everything, otherwise log if doesn't match the skip patterns.
56          int i = logger.isDebugEnabled() ? SKIPPED_WARNINGS.length : 0;
57          while ( !matched && i < SKIPPED_WARNINGS.length )
58          {
59              matched = SKIPPED_WARNINGS[i++].matcher( line ).matches();
60          }
61  
62          if ( !matched )
63          {
64              logger.warn( line );
65          }
66      }
67  }