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

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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 java.io.ByteArrayInputStream;

 import java.io.ByteArrayOutputStream;

 import java.io.File;

 import java.io.FileOutputStream;

 import java.io.IOException;

 import java.io.InputStream;

 import java.io.OutputStream;

 import java.util.Properties;

 import org.apache.maven.wagon.AbstractWagon;

 import org.apache.maven.wagon.ConnectionException;

 import org.apache.maven.wagon.InputData;

 import org.apache.maven.wagon.OutputData;

 import org.apache.maven.wagon.ResourceDoesNotExistException;

 import org.apache.maven.wagon.TransferFailedException;

 import org.apache.maven.wagon.authentication.AuthenticationException;

 import org.apache.maven.wagon.authorization.AuthorizationException;

 import org.apache.maven.wagon.resource.Resource;

 /**

  * NOTE: Plexus will only pick this correctly if the Class package and name are the same as that in core. This is

  * because the core component descriptor is read, but the class is read from the latter JAR.

  * 

  * @plexus.component role="org.apache.maven.wagon.Wagon" role-hint="scpexe" instantiation-strategy="per-lookup"

  */

 public class ScpExternalWagon

     extends AbstractWagon

 {

     public void get( String resourceName, File destination )

         throws TransferFailedException, ResourceDoesNotExistException, AuthorizationException

     {

         InputData inputData = new InputData();

         Resource resource = new Resource( resourceName );

         fireGetInitiated( resource, destination );

         inputData.setResource( resource );

         fillInputData( inputData );

         InputStream is = inputData.getInputStream();

         if ( is == null )

         {

             throw new TransferFailedException( getRepository().getUrl()

                 + " - Could not open input stream for resource: '" + resource + "'" );

         }

         createParentDirectories( destination );

         getTransfer( inputData.getResource(), destination, is );

     }

     public boolean getIfNewer( String resourceName, File destination, long timestamp )

         throws TransferFailedException, ResourceDoesNotExistException, AuthorizationException

     {

         return false;

     }

     public void put( File source, String resourceName )

         throws TransferFailedException, ResourceDoesNotExistException, AuthorizationException

     {

         OutputData outputData = new OutputData();

         Resource resource = new Resource( resourceName );

         firePutInitiated( resource, source );

         outputData.setResource( resource );

         writeTestProperties( source.getParentFile() );

         fillOutputData( outputData );

         OutputStream os = outputData.getOutputStream();

         if ( os == null )

         {

             throw new TransferFailedException( getRepository().getUrl()

                 + " - Could not open output stream for resource: '" + resource + "'" );

         }

         putTransfer( outputData.getResource(), source, os, true );

     }

     public void closeConnection()

         throws ConnectionException

     {

     }

     public void fillInputData( InputData inputData )

         throws TransferFailedException, ResourceDoesNotExistException

     {

         try

         {

             inputData.setInputStream( new ByteArrayInputStream( "<metadata />".getBytes( "UTF-8" ) ) );

         }

         catch ( IOException e )

         {

             throw new TransferFailedException( "Broken JVM", e );

         }

     }

     public void writeTestProperties( File dir )

         throws TransferFailedException

     {

         Properties props = new Properties();

         if ( getRepository().getPermissions() != null )

         {

             String dirPerms = getRepository().getPermissions().getDirectoryMode();

             if ( dirPerms != null )

             {

                 props.setProperty( "directory.mode", dirPerms );

             }

             String filePerms = getRepository().getPermissions().getFileMode();

             if ( filePerms != null )

             {

                 props.setProperty( "file.mode", filePerms );

             }

         }

         try

         {

             OutputStream os = new FileOutputStream( new File( dir, "wagon.properties" ) );

             try

             {

                 props.store( os, "MAVEN-CORE-IT-WAGON" );

             }

             finally

             {

                 os.close();

             }

         }

         catch ( IOException e )

         {

             throw new TransferFailedException( e.getMessage(), e );

         }

     }

     public void fillOutputData( OutputData outputData )

         throws TransferFailedException

     {

         outputData.setOutputStream( new ByteArrayOutputStream() );

     }

     public void openConnection()

         throws ConnectionException, AuthenticationException

     {

     }

 }