com.googlecode.download.maven.plugin.internal.ConsoleDownloadMonitor Maven / Gradle / Ivy

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This is a plugin meant to help maven user to download different files on different protocol in part of maven build. For the first implementation, there will only be a goal that will help downloading a maven artifact from the command line. Future version of the plugin could include web download, ftp download, scp download and so on.

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package com.googlecode.download.maven.plugin.internal;

/*
 * 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 org.apache.maven.wagon.WagonConstants;
import org.apache.maven.wagon.events.TransferEvent;
import org.apache.maven.wagon.events.TransferListener;
import org.codehaus.plexus.logging.AbstractLogEnabled;

/**
 * Console download progress meter.
 *
 * @author Brett Porter
 * @version $Id: ConsoleDownloadMonitor.java 191492 2005-06-20 15:21:50Z brett $
 */
public class ConsoleDownloadMonitor
    extends AbstractLogEnabled
    implements TransferListener
{
    private long complete;

    public void transferInitiated( TransferEvent transferEvent )
    {
        String message = transferEvent.getRequestType() == TransferEvent.REQUEST_PUT ? "Uploading" : "Downloading";

        String url = transferEvent.getWagon().getRepository().getUrl();

        // TODO: can't use getLogger() because this isn't currently instantiated as a component
        System.out.println( message + ": " + url + "/" + transferEvent.getResource().getName() );

        complete = 0;
    }

    public void transferStarted( TransferEvent transferEvent )
    {
        // This space left intentionally blank
    }

    public void transferProgress( TransferEvent transferEvent, byte[] buffer, int length )
    {
        long total = transferEvent.getResource().getContentLength();
        complete += length;
        // TODO [BP]: Sys.out may no longer be appropriate, but will \r work with getLogger()?
        if ( total >= 1024 )
        {
            System.out.print(
                ( complete / 1024 ) + "/" + ( total == WagonConstants.UNKNOWN_LENGTH ? "?" : ( total / 1024 ) + "K" ) +
                    "\r" );
        }
        else
        {
            System.out.print( complete + "/" + ( total == WagonConstants.UNKNOWN_LENGTH ? "?" : total + "b" ) + "\r" );
        }
    }

    public void transferCompleted( TransferEvent transferEvent )
    {
        long contentLength = transferEvent.getResource().getContentLength();
        if ( contentLength != WagonConstants.UNKNOWN_LENGTH )
        {
            String type = ( transferEvent.getRequestType() == TransferEvent.REQUEST_PUT ? "uploaded" : "downloaded" );
            String l = contentLength >= 1024 ? ( contentLength / 1024 ) + "K" : contentLength + "b";
            System.out.println( l + " " + type );
        }
    }

    public void transferError( TransferEvent transferEvent )
    {
        // TODO: can't use getLogger() because this isn't currently instantiated as a component
        transferEvent.getException().printStackTrace();
    }

    public void debug( String message )
    {
        // TODO: can't use getLogger() because this isn't currently instantiated as a component
//        getLogger().debug( message );
    }
}