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 com.fasterxml.jackson.databind.JsonNode;
   4
   5 import org.asamk.signal.manager.GroupId;
   6 import org.asamk.signal.manager.GroupIdFormatException;
   7 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
   8 import org.whispersystems.signalservice.api.util.InvalidNumberException;
   9 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  10 import org.whispersystems.signalservice.api.util.UuidUtil;
  11
  12 import java.io.InvalidObjectException;
  13
  14 public class Util {
  15
  16     private Util() {
  17     }
  18
  19     public static String formatSafetyNumber(String digits) {
  20         final int partCount = 12;
  21         int partSize = digits.length() / partCount;
  22         StringBuilder f = new StringBuilder(digits.length() + partCount);
  23         for (int i = 0; i < partCount; i++) {
  24             f.append(digits, i * partSize, (i * partSize) + partSize).append(" ");
  25         }
  26         return f.toString();
  27     }
  28
  29     public static String join(CharSequence separator, Iterable<? extends CharSequence> list) {
  30         StringBuilder buf = new StringBuilder();
  31         for (CharSequence str : list) {
  32             if (buf.length() > 0) {
  33                 buf.append(separator);
  34             }
  35             buf.append(str);
  36         }
  37
  38         return buf.toString();
  39     }
  40
  41     public static JsonNode getNotNullNode(JsonNode parent, String name) throws InvalidObjectException {
  42         JsonNode node = parent.get(name);
  43         if (node == null) {
  44             throw new InvalidObjectException(String.format("Incorrect file format: expected parameter %s not found ",
  45                     name));
  46         }
  47
  48         return node;
  49     }
  50
  51     public static GroupId decodeGroupId(String groupId) throws GroupIdFormatException {
  52         return GroupId.fromBase64(groupId);
  53     }
  54
  55     public static String canonicalizeNumber(String number, String localNumber) throws InvalidNumberException {
  56         return PhoneNumberFormatter.formatNumber(number, localNumber);
  57     }
  58
  59     public static SignalServiceAddress getSignalServiceAddressFromIdentifier(final String identifier) {
  60         if (UuidUtil.isUuid(identifier)) {
  61             return new SignalServiceAddress(UuidUtil.parseOrNull(identifier), null);
  62         } else {
  63             return new SignalServiceAddress(null, identifier);
  64         }
  65     }
  66 }