nmode's Git Repositories - signal-cli/blob - src/main/java/org/asamk/signal/util/Util.java

   1 package org.asamk.signal.util;
   2
   3 import java.io.UnsupportedEncodingException;
   4 import java.net.URLDecoder;
   5 import java.util.HashMap;
   6 import java.util.Map;
   7
   8 public class Util {
   9
  10     private Util() {
  11     }
  12
  13     public static String formatSafetyNumber(String digits) {
  14         final int partCount = 12;
  15         int partSize = digits.length() / partCount;
  16         StringBuilder f = new StringBuilder(digits.length() + partCount);
  17         for (int i = 0; i < partCount; i++) {
  18             f.append(digits, i * partSize, (i * partSize) + partSize).append(" ");
  19         }
  20         return f.toString();
  21     }
  22
  23     public static Map<String, String> getQueryMap(String query) {
  24         String[] params = query.split("&");
  25         Map<String, String> map = new HashMap<>();
  26         for (String param : params) {
  27             String name = null;
  28             final String[] paramParts = param.split("=");
  29             try {
  30                 name = URLDecoder.decode(paramParts[0], "utf-8");
  31             } catch (UnsupportedEncodingException e) {
  32                 // Impossible
  33             }
  34             String value = null;
  35             try {
  36                 value = URLDecoder.decode(paramParts[1], "utf-8");
  37             } catch (UnsupportedEncodingException e) {
  38                 // Impossible
  39             }
  40             map.put(name, value);
  41         }
  42         return map;
  43     }
  44
  45     public static String join(CharSequence separator, Iterable<? extends CharSequence> list) {
  46         StringBuilder buf = new StringBuilder();
  47         for (CharSequence str : list) {
  48             if (buf.length() > 0) {
  49                 buf.append(separator);
  50             }
  51             buf.append(str);
  52         }
  53
  54         return buf.toString();
  55     }
  56 }