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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   */
30  public class PerforceLoginConsumer
31      extends AbstractPerforceConsumer
32      implements StreamConsumer
33  {
34  
35      private static final Pattern LOGIN_PATTERN = Pattern.compile( "^User [^ ]+ logged in.$" );
36  
37      public static final int STATE_LOGIN = 1;
38  
39      public static final int STATE_ERROR = 2;
40  
41      private int currentState = STATE_LOGIN;
42  
43      /** {@inheritDoc} */
44      public void consumeLine( String line )
45      {
46          if ( line.startsWith( "Enter password:" ) )
47          {
48              return;
49          }
50          if ( currentState != STATE_ERROR && LOGIN_PATTERN.matcher( line ).matches() )
51          {
52              return;
53          }
54  
55          error( line );
56      }
57  
58      private void error( String line )
59      {
60          currentState = STATE_ERROR;
61          output.println( line );
62      }
63  
64      public boolean isSuccess()
65      {
66          return currentState == STATE_LOGIN;
67      }
68  }