Android Open Source - masa Resource Linker Mojo

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License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUC...

Java Source Code

package org.maven.reslinks.plugin;
//from w  w  w.  java 2 s. c  o  m
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;
import org.jvending.masa.CommandExecutor;
import org.jvending.masa.ExecutionException;

/**
 * 
 * @goal link
 * @requiresProject true
 * 
 * @phase generate-sources
 */
public class ResourceLinkerMojo
    extends AbstractMojo
{

    /**
     * The maven project.
     * 
     * @parameter expression="${project}"
     */
    public MavenProject project;

    /**
     * @parameter
     */
    public String[] resourceFolders;

    private HashMap<String, String> fileMap = new HashMap<String, String>();

    private String baseResourcesDirName;

    private FileOutputStream outputReportStream;

    public void execute()
        throws MojoExecutionException
    {
        if ( resourceFolders == null )
        {
            return;
        }

        openPropertyFile();

        baseResourcesDirName = new File( project.getBasedir(), "resources" ).getAbsolutePath() + File.separator;

        mapGenericResourceDirectory();
        for ( String resourceFolder : resourceFolders )
        {
            File resourceDir = new File( project.getBasedir(), "resources" + File.separator + resourceFolder );
            if ( !resourceDir.exists() )
            {
                throw new MojoExecutionException( "Resource folder does not exist: " + resourceDir.getAbsolutePath() );
            }
            if ( !"generic".equals( resourceFolder ) )
            {
                mapDeviceResourceDirectory( resourceFolder );
            }
        }

        cleanResourceDirectory();

        CommandExecutor executor = CommandExecutor.Factory.createDefaultCommmandExecutor();
        executor.setLogger( getLog() );

        for ( Map.Entry<String, String> e : fileMap.entrySet() )
        {
            File targetDir = new File( "res", e.getKey() );
            targetDir.getParentFile().mkdirs();

            List<String> commands = new ArrayList<String>();
            commands.add( "-s" );
            File sourceFile = new File( "resources", e.getValue() + File.separator + e.getKey() );;
            commands.add( sourceFile.getAbsolutePath() );
            commands.add( targetDir.getAbsolutePath() );

            // this.getLog().debug(commands.toString());
            try
            {
                executor.executeCommand( "ln", commands, project.getBasedir(), false );
                writeToPropertyFile( sourceFile.getPath(), new File( targetDir, e.getKey() ).getPath() );
            }
            catch ( ExecutionException ex )
            {
                closePropertyFile();
                cleanResourceDirectory();//Unable to link, just get rid of previous links
                throw new MojoExecutionException( "", ex );
            }

        }
        closePropertyFile();
    }

    private void writeToPropertyFile( String key, String value )
    {
        try
        {
            outputReportStream.write( ( key + " = " + value + "\r\n" ).getBytes() );
        }
        catch ( IOException e )
        {
            e.printStackTrace();
        }
    }

    private void openPropertyFile()
    {
        /*
        File targetDir = new File(project.getBuild().getDirectory());
        
        if(!targetDir.exists()) {
          targetDir.mkdir();
        }
        */
        File reslinkLog = new File( project.getBasedir(), "link.properties" );
        if ( reslinkLog.exists() )
        {
            reslinkLog.delete();
        }
        try
        {
            outputReportStream = new FileOutputStream( reslinkLog );
        }
        catch ( FileNotFoundException e )
        {

        }
    }

    private void closePropertyFile()
    {
        try
        {
            outputReportStream.close();
        }
        catch ( IOException e )
        {
        }
    }

    private void cleanResourceDirectory()
        throws MojoExecutionException
    {
        CommandExecutor executor = CommandExecutor.Factory.createDefaultCommmandExecutor();
        executor.setLogger( getLog() );
        List<String> commands = new ArrayList<String>();
        commands.add( "-fR" );
        commands.add( new File( "res" ).getAbsolutePath() );
        this.getLog().debug( commands.toString() );
        try
        {
            executor.executeCommand( "rm", commands, project.getBasedir(), false );
        }
        catch ( ExecutionException ex )
        {
            throw new MojoExecutionException( "", ex );
        }
    }

    private void mapDeviceResourceDirectory( String resourceFolder )
        throws MojoExecutionException
    {
        File resourceDir = new File( project.getBasedir(), "resources" + File.separator + resourceFolder );
        addFiles( resourceDir );
    }

    private void mapGenericResourceDirectory()
        throws MojoExecutionException
    {
        File resourceDir = new File( project.getBasedir(), "resources" + File.separator + "generic" );
        if ( !resourceDir.exists() )
        {
            throw new MojoExecutionException( "Generic resource folder does not exist" );
        }
        addFiles( resourceDir );
    }

    private void addFiles( File root )
    {
        if ( root.isDirectory() )
        {
            for ( File f : root.listFiles() )
            {
                addFiles( f );
            }
        }
        else
        {
            String fragment = root.getAbsolutePath().replace( baseResourcesDirName, "" );
            int index = fragment.indexOf( File.separator );
            String value = fragment.substring( 0, index );
            String key = fragment.substring( index + 1, fragment.length() );
            fileMap.put( key, value );
        }
    }
}

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