ResourceInputStream.java

package nl.siegmann.epublib.domain;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipFile;


/**
 * A wrapper class for closing a ZipFile object when the InputStream derived
 * from it is closed.
 * 
 * @author ttopalov
 * 
 */
public class ResourceInputStream extends FilterInputStream {

	private ZipFile zipResource;
	
	/**
	 * Constructor.
	 * 
	 * @param in
	 *            The InputStream object.
	 * @param f
	 *            The ZipFile object.
	 */
	public ResourceInputStream(InputStream in, ZipFile f) {
		super(in);
		zipResource = f;
	}
	
	@Override
	public void close() throws IOException {
		super.close();
		zipResource.close();
	}
}