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

 /*

  * 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.JSch;

 import com.jcraft.jsch.JSchException;

 import com.jcraft.jsch.UserInfo;

 import org.codehaus.plexus.util.IOUtil;

 import org.codehaus.plexus.util.StringOutputStream;

 import org.codehaus.plexus.util.StringInputStream;

 import java.io.InputStream;

 import java.io.IOException;

 /**

  * Provides known hosts from a file

  *

  * @author Juan F. Codagnone

  * @since Sep 12, 2005

  */

 public class StreamKnownHostsProvider

     extends AbstractKnownHostsProvider

 {

     /**

      * the known hosts, in the openssh format

      */

     private final String contents;

     public StreamKnownHostsProvider( InputStream stream )

         throws IOException

     {

         try

         {

             StringOutputStream stringOutputStream = new StringOutputStream();

             IOUtil.copy( stream, stringOutputStream );

             this.contents = stringOutputStream.toString();

         }

         finally

         {

             IOUtil.close( stream );

         }

     }

     /**

      * @see KnownHostsProvider#addKnownHosts(com.jcraft.jsch.JSch, UserInfo)

      */

     public void addKnownHosts( JSch sch, UserInfo userInfo )

         throws JSchException

     {

         sch.setKnownHosts( new StringInputStream( contents ) );

     }

 }