package org.codehaus.plexus.archiver.bzip2;

import javax.annotation.Nonnull;
import javax.annotation.WillNotClose;
import javax.inject.Named;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;

import org.codehaus.plexus.components.io.attributes.FileAttributes;
import org.codehaus.plexus.components.io.attributes.PlexusIoResourceAttributes;
import org.codehaus.plexus.components.io.resources.PlexusIoCompressedFileResourceCollection;
import org.codehaus.plexus.components.io.resources.PlexusIoResourceCollection;

import static org.codehaus.plexus.archiver.util.Streams.fileInputStream;

/**
 * Implementation of {@link PlexusIoResourceCollection} for
 * bzip2 compressed files.
 */
@Named("bzip2")
public class PlexusIoBzip2ResourceCollection extends PlexusIoCompressedFileResourceCollection {

    @Nonnull
    @Override
    protected @WillNotClose InputStream getInputStream(File file) throws IOException {
        return BZip2UnArchiver.getBZip2InputStream(fileInputStream(file));
    }

    @Override
    protected PlexusIoResourceAttributes getAttributes(File file) throws IOException {
        return new FileAttributes(file, new HashMap<Integer, String>(), new HashMap<Integer, String>());
    }

    @Override
    protected String getDefaultExtension() {
        return ".bz2";
    }
}
