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