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.annotation.JsonAutoDetect;
   4 import com.fasterxml.jackson.annotation.PropertyAccessor;
   5 import com.fasterxml.jackson.core.JsonGenerator;
   6 import com.fasterxml.jackson.databind.ObjectMapper;
   7
   8 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
   9
  10 import java.util.Arrays;
  11 import java.util.List;
  12 import java.util.Locale;
  13 import java.util.stream.Collectors;
  14
  15 public class Util {
  16
  17     private Util() {
  18     }
  19
  20     public static String getStringIfNotBlank(org.whispersystems.libsignal.util.guava.Optional<String> value) {
  21         var string = value.orNull();
  22         if (string == null || string.isBlank()) {
  23             return null;
  24         }
  25         return string;
  26     }
  27
  28     public static String dashSeparatedToCamelCaseString(String s) {
  29         var parts = s.split("-");
  30         return toCamelCaseString(Arrays.asList(parts));
  31     }
  32
  33     private static String toCamelCaseString(List<String> strings) {
  34         if (strings.size() == 0) {
  35             return "";
  36         }
  37         return strings.get(0) + strings.stream()
  38                 .skip(1)
  39                 .filter(s -> s.length() > 0)
  40                 .map(s -> Character.toUpperCase(s.charAt(0)) + s.substring(1).toLowerCase(Locale.ROOT))
  41                 .collect(Collectors.joining());
  42     }
  43
  44     public static String formatSafetyNumber(String digits) {
  45         if (digits == null) {
  46             return null;
  47         }
  48
  49         final var partCount = 12;
  50         var partSize = digits.length() / partCount;
  51         var f = new StringBuilder(digits.length() + partCount);
  52         for (var i = 0; i < partCount; i++) {
  53             f.append(digits, i * partSize, (i * partSize) + partSize);
  54             if (i != partCount - 1) {
  55                 f.append(" ");
  56             }
  57         }
  58         return f.toString();
  59     }
  60
  61     public static String getLegacyIdentifier(final SignalServiceAddress address) {
  62         return address.getNumber().or(() -> address.getUuid().toString());
  63     }
  64
  65     public static ObjectMapper createJsonObjectMapper() {
  66         var objectMapper = new ObjectMapper();
  67         objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.PUBLIC_ONLY);
  68         objectMapper.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
  69         return objectMapper;
  70     }
  71 }