Java Long to String long2string(long lng, StringBuilder buff)

Description

longstring

License

Open Source License

Declaration

private static void long2string(long lng, StringBuilder buff) 

Method Source Code

//package com.java2s;
/*-/* w w  w .j  a v  a 2  s.  c  om*/
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

public class Main {
    private static final char[] CHARS = new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B',
            'C', 'D', 'E', 'F' };

    private static void long2string(long lng, StringBuilder buff) {
        for (int i = 0; i < 16; i++) {
            long nextByte = lng & 0xF000000000000000L;
            lng <<= 4;
            boolean isNegative = nextByte < 0;
            nextByte = rightShift(nextByte, 60);

            if (isNegative) {
                nextByte |= 0x08;
            }

            buff.append(CHARS[(int) nextByte]);
        }
    }

    private static long rightShift(long lng, int num) {
        return lng >>> num;
    }
}

Related

1. long2sortableStr(long val)
2. Long2Str(long i)
3. long2String(final long ip)
4. Long2String(final long value)
5. long2string(long longdata)
6. long2String(long x)
7. long2StringForLen(long num, String str)
8. long2Word(long val)