Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.support.annotation.NonNull;
import java.util.UUID;

public class Main {
    /**
     * check if full style or short (16bits) style UUID matches
     *
     * @param src the UUID to be compared
     * @param dst the UUID to be compared
     * @return true if the both of UUIDs matches
     */
    public static boolean matches(@NonNull final UUID src, @NonNull final UUID dst) {
        if (isShortUuid(src) || isShortUuid(dst)) {
            // at least one instance is short style: check only 16bits
            long srcShortUUID = src.getMostSignificantBits() & 0x0000ffff00000000L;
            long dstShortUUID = dst.getMostSignificantBits() & 0x0000ffff00000000L;

            return srcShortUUID == dstShortUUID;
        } else {
            return src.equals(dst);
        }
    }

    /**
     * Check if the specified UUID style is short style.
     *
     * @param src the UUID
     * @return true if the UUID is short style
     */
    private static boolean isShortUuid(@NonNull final UUID src) {
        return ((src.getMostSignificantBits() & 0xffff0000ffffffffL) == 0L)
                && (src.getLeastSignificantBits() == 0L);
    }
}