package org.codehaus.mojo.appassembler.daemon;
/*
* The MIT License
*
* Copyright 2005-2007 The Codehaus.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.project.MavenProject;
import org.codehaus.mojo.appassembler.daemon.merge.DaemonMerger;
import org.codehaus.mojo.appassembler.model.Daemon;
import org.codehaus.mojo.appassembler.model.io.stax.AppassemblerModelStaxReader;
import org.codehaus.plexus.logging.AbstractLogEnabled;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.StringUtils;
import javax.xml.stream.XMLStreamException;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.Map;
/**
* @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a>
* @version $Id$
* @plexus.component
*/
public class DefaultDaemonGeneratorService
extends AbstractLogEnabled
implements DaemonGeneratorService
{
/**
* @plexus.requirement role="org.codehaus.mojo.appassembler.daemon.DaemonGenerator"
*/
private Map generators;
/**
* @plexus.requirement
*/
private DaemonMerger daemonMerger;
// -----------------------------------------------------------------------
// DaemonGeneratorService Implementation
// -----------------------------------------------------------------------
public void generateDaemon( String platform, File stubDescriptor, File outputDirectory, MavenProject mavenProject,
ArtifactRepository localRepository )
throws DaemonGeneratorException
{
generateDaemon( platform, stubDescriptor, null, outputDirectory, mavenProject, localRepository );
}
public void generateDaemon( String platform, File stubDescriptor, Daemon stubDaemon, File outputDirectory,
MavenProject mavenProject, ArtifactRepository localRepository )
throws DaemonGeneratorException
{
DaemonGenerationRequest request = new DaemonGenerationRequest();
request.setPlatform( platform );
request.setStubDescriptor( stubDescriptor );
request.setStubDaemon( stubDaemon );
request.setOutputDirectory( outputDirectory );
request.setMavenProject( mavenProject );
request.setLocalRepository( localRepository );
generateDaemon( request );
}
public void generateDaemon( DaemonGenerationRequest request )
throws DaemonGeneratorException
{
String platform = request.getPlatform();
if ( platform == null || StringUtils.isEmpty( platform ) )
{
throw new DaemonGeneratorException( "Missing required property in request: platform." );
}
// -----------------------------------------------------------------------
// Get the generator
// -----------------------------------------------------------------------
DaemonGenerator generator = (DaemonGenerator) generators.get( platform );
if ( generator == null )
{
throw new DaemonGeneratorException( "Could not find a generator for platform '" + platform + "'." );
}
// -----------------------------------------------------------------------
// Load the model
// -----------------------------------------------------------------------
Daemon fileDaemon = null;
File stubDescriptor = request.getStubDescriptor();
if ( stubDescriptor != null )
{
getLogger().debug( "Loading daemon descriptor: " + stubDescriptor.getAbsolutePath() );
fileDaemon = loadModel( stubDescriptor );
}
// -----------------------------------------------------------------------
// Merge the given stub daemon
// -----------------------------------------------------------------------
Daemon mergedDaemon = mergeDaemons( request.getStubDaemon(), fileDaemon );
// -----------------------------------------------------------------------
//
// -----------------------------------------------------------------------
validateDaemon( mergedDaemon, stubDescriptor );
// -----------------------------------------------------------------------
// Generate!
// -----------------------------------------------------------------------
request.setDaemon( mergedDaemon );
generator.generate( request );
}
public Daemon mergeDaemons( Daemon dominant, Daemon recessive )
throws DaemonGeneratorException
{
return daemonMerger.mergeDaemons( dominant, recessive );
}
public Daemon loadModel( File stubDescriptor )
throws DaemonGeneratorException
{
FileReader fileReader = null;
try
{
fileReader = new FileReader( stubDescriptor );
AppassemblerModelStaxReader reader = new AppassemblerModelStaxReader();
Daemon stubDaemon = reader.read( fileReader );
validateDaemon( stubDaemon, stubDescriptor );
return stubDaemon;
}
catch ( IOException e )
{
throw new DaemonGeneratorException(
"Error while loading daemon descriptor from '" + stubDescriptor.getAbsolutePath() + "'.", e );
}
catch ( XMLStreamException e )
{
throw new DaemonGeneratorException(
"Error while loading daemon descriptor from '" + stubDescriptor.getAbsolutePath() + "'.", e );
}
finally
{
IOUtil.close( fileReader );
}
}
public void validateDaemon( Daemon daemon, File descriptor )
throws DaemonGeneratorException
{
if ( daemon == null )
{
throw new DaemonGeneratorException( "Illegal argument: daemon must be passed." );
}
String mainClass = daemon.getMainClass();
String missingRequiredField;
if ( descriptor != null )
{
missingRequiredField = "Missing required field from '" + descriptor.getAbsolutePath() + "': ";
}
else
{
missingRequiredField = "Missing required field in daemon descriptor: ";
}
// -----------------------------------------------------------------------
//
// -----------------------------------------------------------------------
if ( StringUtils.isEmpty( mainClass ) )
{
throw new DaemonGeneratorException( missingRequiredField + "main class." );
}
if ( StringUtils.isEmpty( daemon.getId() ) )
{
String id = mainClass;
int i = id.lastIndexOf( '.' );
if ( i > 0 )
{
id = mainClass.substring( i + 1 );
}
id = StringUtils.addAndDeHump( id );
daemon.setId( id );
}
}
}