CloseableDisposerRecord.java

/*
 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.imageio.stream;

import java.io.Closeable;
import java.io.IOException;
import sun.java2d.DisposerRecord;

/**
 * Convenience class that closes a given resource (e.g. RandomAccessFile),
 * typically associated with an Image{Input,Output}Stream, prior to the
 * stream being garbage collected.
 */
public class CloseableDisposerRecord implements DisposerRecord {
    private Closeable closeable;

    public CloseableDisposerRecord(Closeable closeable) {
        this.closeable = closeable;
    }

    public synchronized void dispose() {
        if (closeable != null) {
            try {
                closeable.close();
            } catch (IOException e) {
            } finally {
                closeable = null;
            }
        }
    }
}