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1   package org.apache.maven.scm.provider.perforce.command.login;
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.provider.perforce.command.AbstractPerforceConsumer;
25  import org.codehaus.plexus.util.cli.StreamConsumer;
26  
27  /**
28   * @author Mike Perham
29   * @version $Id: PerforceChangeLogConsumer.java 331276 2005-11-07 15:04:54Z
30   *          evenisse $
31   */
32  public class PerforceLoginConsumer
33      extends AbstractPerforceConsumer
34      implements StreamConsumer
35  {
36  
37      private static final Pattern LOGIN_PATTERN = Pattern.compile( "^User [^ ]+ logged in.$" );
38  
39      public static final int STATE_LOGIN = 1;
40  
41      public static final int STATE_ERROR = 2;
42  
43      private int currentState = STATE_LOGIN;
44  
45      /** {@inheritDoc} */
46      public void consumeLine( String line )
47      {
48          if ( line.startsWith( "Enter password:" ) )
49          {
50              return;
51          }
52          if ( currentState != STATE_ERROR && LOGIN_PATTERN.matcher( line ).matches() )
53          {
54              return;
55          }
56  
57          error( line );
58      }
59  
60      private void error( String line )
61      {
62          currentState = STATE_ERROR;
63          output.println( line );
64      }
65  
66      public boolean isSuccess()
67      {
68          return currentState == STATE_LOGIN;
69      }
70  }