me.chanjar.weixin.common.util.crypto.SHA1 Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of weixin-java-common Show documentation

微信开发Java SDK公共模块

The newest version!

package me.chanjar.weixin.common.util.crypto;

import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.lang3.StringUtils;

import java.util.Arrays;

/**
 *
 * @author Daniel Qian
 * created on  14/10/19
 */
public class SHA1 {

  /**
   * 串接arr参数，生成sha1 digest.
   */
  public static String gen(String... arr) {
    if (StringUtils.isAnyEmpty(arr)) {
      throw new IllegalArgumentException("非法请求参数，有部分参数为空 : " + Arrays.toString(arr));
    }

    Arrays.sort(arr);
    StringBuilder sb = new StringBuilder();
    for (String a : arr) {
      sb.append(a);
    }
    return DigestUtils.sha1Hex(sb.toString());
  }

  /**
   * 用&串接arr参数，生成sha1 digest.
   */
  public static String genWithAmple(String... arr) {
    if (StringUtils.isAnyEmpty(arr)) {
      throw new IllegalArgumentException("非法请求参数，有部分参数为空 : " + Arrays.toString(arr));
    }

    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());
  }
}