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Archive algorithms for Java

There is a newer version: 1.1.0

package org.xbib.io.compress.xz.common;

/**
 *
 */
public class Util {
    public static final int STREAM_HEADER_SIZE = 12;
    public static final long BACKWARD_SIZE_MAX = 1L << 34;
    public static final int BLOCK_HEADER_SIZE_MAX = 1024;
    public static final long VLI_MAX = Long.MAX_VALUE;
    public static final int VLI_SIZE_MAX = 9;

    public static int getVLISize(long num) {
        int size = 0;
        do {
            ++size;
            num >>= 7;
        } while (num != 0);

        return size;
    }
}