com.google.code.play2.provider.play23.Play23EbeanEnhancer-tmp1 Maven / Gradle / Ivy

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/*
 * Copyright 2013-2014 Grzegorz Slowikowski (gslowikowski at gmail dot com)
 *
 * 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.
 */

package com.google.code.play2.provider.play23;

import java.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import com.google.code.play2.provider.api.Play2EbeanEnhancer;
import com.avaje.ebean.enhance.agent.Transformer;
import com.avaje.ebean.enhance.ant.OfflineFileTransform;
import com.avaje.ebean.enhance.ant.TransformationListener;

public class Play23EbeanEnhancer
    implements Play2EbeanEnhancer
{
    private File outputDirectory;

    private List classPathUrls = Collections.emptyList();

    @Override
    public void setOutputDirectory( File outputDirectory )
    {
        this.outputDirectory = outputDirectory;
    }

    @Override
    public void setClassPathUrls( List classPathUrls )
    {
        this.classPathUrls = classPathUrls;
    }

    @Override
    public List enhance( String models ) // what about exceptions?
    {
        final List enhancedFiles = new ArrayList();

        URL[] cp = classPathUrls.toArray( new URL[classPathUrls.size()] );

        ClassLoader cl = ClassLoader.getSystemClassLoader();

        Transformer t = new Transformer( cp, "debug=-1" );

        OfflineFileTransform ft =
            new OfflineFileTransform( t, cl, outputDirectory.getAbsolutePath(), outputDirectory.getAbsolutePath() );
        ft.setListener( new TransformationListener() {
            public void logEvent(String msg)
            {
                if ( msg.startsWith( "Enhanced " ) )
                {
                    String enhancedFilePath = msg.substring( "Enhanced ".length() );
                    enhancedFiles.add( new File( enhancedFilePath ) );
                }
            }

            public void logError(String msg)
            {
                
            }
        });

//        try
//        {
            ft.process( models );
//        }
//        catch ( Throwable/* ? */e )
//        {
//
//        }
        return enhancedFiles;
    }

}