package org.apache.maven.wagon.providers.ssh.interactive;

 /*

  * Copyright 2001-2005 The Apache Software Foundation.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *      http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 import com.jcraft.jsch.UIKeyboardInteractive;

 import org.codehaus.plexus.components.interactivity.Prompter;

 import org.codehaus.plexus.components.interactivity.PrompterException;

 /**

  * UIKeyboardInteractive that use pluxus-prompter

  * <p/>

  * <code>UIKeyboardInteractive</code> are usefull when you don't use user with

  * password authentication with a server that use keyboard-interactive and

  * doesn't allow password method <code>PasswordAuthentication no</code>.

  *

  * @author <a href="mailto:juam at users.sourceforge.net">Juan F. Codagnone</a>

  * @since Sep 22, 2005

  */

 public class PrompterUIKeyboardInteractive

     implements UIKeyboardInteractive

 {

     private Prompter prompter;

     public PrompterUIKeyboardInteractive()

     {

     }

     public PrompterUIKeyboardInteractive( Prompter promper )

     {

         this.prompter = promper;

     }

     /**

      * @see UIKeyboardInteractive#promptKeyboardInteractive(String, String,

      *      String, String[], boolean[])

      */

     public String[] promptKeyboardInteractive( String destination, String name, String instruction, String[] prompt,

                                                boolean[] echo )

     {

         if ( prompt.length != echo.length )

         {

             // jcsh is buggy?

             throw new IllegalArgumentException( "prompt and echo size arrays are different!" );

         }

         String[] ret = new String[prompt.length];

         try

         {

             for ( int i = 0; i < ret.length; i++ )

             {

                 if ( echo[i] )

                 {

                     ret[i] = prompter.prompt( prompt[i] );

                 }

                 else

                 {

                     ret[i] = prompter.promptForPassword( prompt[i] );

                 }

             }

         }

         catch ( PrompterException e )

         {

             // TODO: log

             // the user canceled?

             ret = null;

         }

         return ret;

     }

 }