org.apache.maven.project.artifact.ProjectArtifactMetadata Maven / Gradle / Ivy

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This library is used to not only read Maven project object model files, but to assemble inheritence and to retrieve remote models as required.

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package org.apache.maven.project.artifact;

/*
 * 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.artifact.Artifact;
import org.apache.maven.artifact.metadata.AbstractArtifactMetadata;
import org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.model.Model;
import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.apache.maven.model.io.xpp3.MavenXpp3Writer;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

/**
 * Attach a POM to an artifact.
 *
 * @author Brett Porter
 * @version $Id: ProjectArtifactMetadata.java 191634 2005-06-21 06:49:49Z brett $
 */
public class ProjectArtifactMetadata
    extends AbstractArtifactMetadata
{
    private final File file;

    public ProjectArtifactMetadata( Artifact artifact, File file )
    {
        super( artifact, null );
        this.file = file;
    }

    public String getFilename()
    {
        return getArtifactId() + "-" + getVersion() + ".pom";
    }

    public boolean exists()
    {
        return file.exists();
    }

    public void storeInLocalRepository( ArtifactRepository localRepository )
        throws ArtifactMetadataRetrievalException
    {
        File destination = new File( localRepository.getBasedir(), localRepository.pathOfMetadata( this ) );

        destination.getParentFile().mkdirs();

        FileReader reader = null;
        FileWriter writer = null;
        try
        {
            reader = new FileReader( file );
            writer = new FileWriter( destination );

            MavenXpp3Reader modelReader = new MavenXpp3Reader();
            Model model = modelReader.read( reader );
            model.setVersion( getVersion() );

            MavenXpp3Writer modelWriter = new MavenXpp3Writer();
            modelWriter.write( writer, model );
        }
        catch ( FileNotFoundException e )
        {
            throw new ArtifactMetadataRetrievalException( "Error rewriting POM", e );
        }
        catch ( IOException e )
        {
            throw new ArtifactMetadataRetrievalException( "Error rewriting POM", e );
        }
        catch ( XmlPullParserException e )
        {
            throw new ArtifactMetadataRetrievalException( "Error rewriting POM", e );
        }
        finally
        {
            IOUtil.close( reader );
            IOUtil.close( writer );
        }
    }

    public String toString()
    {
        return "project information for " + artifact.getArtifactId() + " " + artifact.getVersion();
    }
}