com.wallellen.wechat.common.util.crypto.SHA1.java Source code

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Here is the source code for com.wallellen.wechat.common.util.crypto.SHA1.java

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/*
 * This file Copyright (c) 2016. Walle.
 * (http://www.wallellen.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the
 * Walle Agreement (WA) and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or WA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Walle Agreement (WA), this file
 * and the accompanying materials are made available under the
 * terms of the WA which accompanies this distribution, and
 * is available at http://www.wallellen.com/agreement.html
 *
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 */

package com.wallellen.wechat.common.util.crypto;

import org.apache.commons.codec.digest.DigestUtils;

import java.security.NoSuchAlgorithmException;
import java.util.Arrays;

/**
 * Created by <a href="mailto:wallellen@hotmail.com">WALLE</a> on 15/10/19.
 */
public class SHA1 {

    /**
     * arr??sha1 digest
     *
     * @param arr
     * @return
     */
    public static String gen(String... arr) throws NoSuchAlgorithmException {
        Arrays.sort(arr);
        StringBuilder sb = new StringBuilder();
        for (String a : arr) {
            sb.append(a);
        }
        return DigestUtils.sha1Hex(sb.toString());
    }

    /**
     * &arr??sha1 digest
     *
     * @param arr
     * @return
     */
    public static String genWithAmple(String... arr) throws NoSuchAlgorithmException {
        Arrays.sort(arr);
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < arr.length; i++) {
            String a = arr[i];
            sb.append(a);
            if (i != arr.length - 1) {
                sb.append('&');
            }
        }
        return DigestUtils.sha1Hex(sb.toString());
    }
}