Examples of org.apache.maven.wagon.resource.Resource

org.apache.maven.wagon.resource.Resource
Describes resources which can be downloaded from the repository or uploaded to repository.
This class contains minimal set of informations, which are needed to reuse wagon in maven 1. @author Michal Maczka @version $Id: Resource.java 682047 2008-08-02 21:07:38Z hboutemy $

    }


    public void fillInputData( InputData inputData )
        throws TransferFailedException, ResourceDoesNotExistException, AuthorizationException
    {
        Resource resource = inputData.getResource();


        String visitingUrl = buildUrl( resource.getName() );
        try
        {
            List<String> visitedUrls = new ArrayList<String>();


            for ( int redirectCount = 0; redirectCount < MAX_REDIRECTS; redirectCount++ )
            {
                if ( visitedUrls.contains( visitingUrl ) )
                {
                    throw new TransferFailedException( "Cyclic http redirect detected. Aborting! " + visitingUrl );
                }
                visitedUrls.add( visitingUrl );


                URL url = new URL( visitingUrl );
                HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection( this.proxy );


                urlConnection.setRequestProperty( "Accept-Encoding", "gzip" );
                if ( !useCache )
                {
                    urlConnection.setRequestProperty( "Pragma", "no-cache" );
                }


                addHeaders( urlConnection );


                // TODO: handle all response codes
                int responseCode = urlConnection.getResponseCode();
                if ( responseCode == HttpURLConnection.HTTP_FORBIDDEN
                    || responseCode == HttpURLConnection.HTTP_UNAUTHORIZED )
                {
                    throw new AuthorizationException( "Access denied to: " + buildUrl( resource.getName() ) );
                }
                if ( responseCode == HttpURLConnection.HTTP_MOVED_PERM
                    || responseCode == HttpURLConnection.HTTP_MOVED_TEMP )
                {
                    visitingUrl = urlConnection.getHeaderField( "Location" );
                    continue;
                }


                InputStream is = urlConnection.getInputStream();
                String contentEncoding = urlConnection.getHeaderField( "Content-Encoding" );
                boolean isGZipped = contentEncoding != null && "gzip".equalsIgnoreCase( contentEncoding );
                if ( isGZipped )
                {
                    is = new GZIPInputStream( is );
                }
                inputData.setInputStream( is );
                resource.setLastModified( urlConnection.getLastModified() );
                resource.setContentLength( urlConnection.getContentLength() );
                break;
            }
        }
        catch ( MalformedURLException e )
        {

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    }


    public void fillOutputData( OutputData outputData )
        throws TransferFailedException
    {
        Resource resource = outputData.getResource();
        try
        {
            URL url = new URL( buildUrl( resource.getName() ) );
            putConnection = (HttpURLConnection) url.openConnection( this.proxy );


            addHeaders( putConnection );


            putConnection.setRequestMethod( "PUT" );

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            destinationDirectory += "/";
        }


        String url = buildUrl( destinationDirectory );


        Resource resource = new Resource( destinationDirectory );


        inputData.setResource( resource );


        fillInputData( inputData );

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    {
        HttpURLConnection headConnection;


        try
        {
            URL url = new URL( buildUrl( new Resource( resourceName ).getName() ) );
            headConnection = (HttpURLConnection) url.openConnection( this.proxy );


            addHeaders( headConnection );


            headConnection.setRequestMethod( "HEAD" );

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    }


    public static Resource getResource( String resourceName )
    {
        String r = StringUtils.replace( resourceName, "\\", "/" );
        return new Resource( r );
    }

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    public boolean getIfNewer( String resourceName, File destination, long timestamp )
        throws TransferFailedException, ResourceDoesNotExistException, AuthorizationException
    {
        boolean retValue = false;


        Resource resource = new Resource( resourceName );


        fireGetInitiated( resource, destination );


        resource.setLastModified( timestamp );
        
        InputStream is = getInputStream( resource );


        // always get if timestamp is 0 (ie, target doesn't exist), otherwise only if older than the remote file
        if ( timestamp == 0 || timestamp < resource.getLastModified() )
        {
            retValue = true;


            checkInputStream( is, resource );

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    // source doesn't exist exception
    public void put( File source, String resourceName )
        throws TransferFailedException, ResourceDoesNotExistException, AuthorizationException
    {
        Resource resource = new Resource( resourceName );


        firePutInitiated( resource, source );


        resource.setContentLength( source.length() );


        resource.setLastModified( source.lastModified() );


        OutputStream os = getOutputStream( resource );


        checkOutputStream( resource, os );

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    public boolean getIfNewerToStream( String resourceName, OutputStream stream, long timestamp )
        throws ResourceDoesNotExistException, TransferFailedException, AuthorizationException
    {
        boolean retValue = false;


        Resource resource = new Resource( resourceName );


        fireGetInitiated( resource, null );


        InputStream is = getInputStream( resource );


        // always get if timestamp is 0 (ie, target doesn't exist), otherwise only if older than the remote file
        if ( timestamp == 0 || timestamp < resource.getLastModified() )
        {
            retValue = true;


            checkInputStream( is, resource );

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    }


    public void put( File source, String destination )
        throws TransferFailedException, ResourceDoesNotExistException, AuthorizationException
    {
        Resource resource = new Resource( destination );


        firePutInitiated( resource, source );


        if ( !source.exists() )
        {
            throw new ResourceDoesNotExistException( "Specified source file does not exist: " + source );
        }


        String basedir = getRepository().getBasedir();


        String resourceName = StringUtils.replace( destination, "\\", "/" );


        String dir = PathUtils.dirname( resourceName );


        dir = StringUtils.replace( dir, "\\", "/" );


        String umaskCmd = null;
        if ( getRepository().getPermissions() != null )
        {
            String dirPerms = getRepository().getPermissions().getDirectoryMode();


            if ( dirPerms != null )
            {
                umaskCmd = "umask " + PermissionModeUtils.getUserMaskFor( dirPerms );
            }
        }


        String mkdirCmd = "mkdir -p " + basedir + "/" + dir + "\n";


        if ( umaskCmd != null )
        {
            mkdirCmd = umaskCmd + "; " + mkdirCmd;
        }


        try
        {
            executeCommand( mkdirCmd );
        }
        catch ( CommandExecutionException e )
        {
            fireTransferError( resource, e, TransferEvent.REQUEST_PUT );


            throw new TransferFailedException( "Error executing command for transfer", e );
        }


        resource.setContentLength( source.length() );


        resource.setLastModified( source.lastModified() );


        firePutStarted( resource, source );


        executeScpCommand( resource, source, true );

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    }


    public void putFromStream( InputStream stream, String destination )
        throws TransferFailedException, ResourceDoesNotExistException, AuthorizationException
    {
        Resource resource = new Resource( destination );


        firePutInitiated( resource, null );


        putFromStream( stream, resource );
    }

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