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1   package org.apache.maven.wagon.providers.ssh.interactive;
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 org.codehaus.plexus.components.interactivity.Prompter;
23  import org.codehaus.plexus.components.interactivity.PrompterException;
24  
25  import java.util.Arrays;
26  
27  /**
28   * Shows messages to System.out, and ask replies using an InputHandler
29   *
30   * @author Juan F. Codagnone
31   * @since Sep 12, 2005
32   * 
33   * @plexus.component role="org.apache.maven.wagon.providers.ssh.interactive.InteractiveUserInfo"
34   *    instantiation-strategy="per-lookup"
35   */
36  public class ConsoleInteractiveUserInfo
37      implements InteractiveUserInfo
38  {
39      /**
40       * @plexus.requirement role-hint="default"
41       */
42      private volatile Prompter prompter;
43  
44      public ConsoleInteractiveUserInfo()
45      {
46      }
47  
48      public ConsoleInteractiveUserInfo( Prompter prompter )
49      {
50          this.prompter = prompter;
51      }
52  
53      /**
54       * @see InteractiveUserInfo#promptYesNo(String)
55       */
56      public boolean promptYesNo( String message )
57      {
58          String ret;
59          try
60          {
61              ret = prompter.prompt( message, Arrays.asList( "yes", "no" ) );
62          }
63          catch ( PrompterException e )
64          {
65              // no op
66              ret = null;
67          }
68          return "yes".equalsIgnoreCase( ret );
69      }
70  
71      /**
72       * @see InteractiveUserInfo#showMessage(String)
73       */
74      public void showMessage( String message )
75      {
76          try
77          {
78              prompter.showMessage( message );
79          }
80          catch ( PrompterException e )
81          {
82              // no op
83          }
84      }
85  
86      public String promptPassword( String message )
87      {
88          try
89          {
90              return prompter.promptForPassword( message );
91          }
92          catch ( PrompterException e )
93          {
94              return null;
95          }
96      }
97  
98      public String promptPassphrase( String message )
99      {
100         return promptPassword( message );
101     }
102 }