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.slf4j.Logger;
   9 import org.slf4j.LoggerFactory;
  10
  11 import java.net.URLDecoder;
  12 import java.nio.charset.StandardCharsets;
  13 import java.util.Arrays;
  14 import java.util.HashMap;
  15 import java.util.List;
  16 import java.util.Locale;
  17 import java.util.Map;
  18 import java.util.Optional;
  19 import java.util.concurrent.ExecutorService;
  20 import java.util.concurrent.TimeUnit;
  21 import java.util.stream.Collectors;
  22
  23 public class Util {
  24
  25     private final static Logger logger = LoggerFactory.getLogger(Util.class);
  26
  27     private Util() {
  28     }
  29
  30     public static String getStringIfNotBlank(Optional<String> value) {
  31         var string = value.orElse(null);
  32         if (string == null || string.isBlank()) {
  33             return null;
  34         }
  35         return string;
  36     }
  37
  38     public static String dashSeparatedToCamelCaseString(String s) {
  39         var parts = s.split("-");
  40         return toCamelCaseString(Arrays.asList(parts));
  41     }
  42
  43     private static String toCamelCaseString(List<String> strings) {
  44         if (strings.isEmpty()) {
  45             return "";
  46         }
  47         return strings.get(0) + strings.stream()
  48                 .skip(1)
  49                 .filter(s -> !s.isEmpty())
  50                 .map(s -> Character.toUpperCase(s.charAt(0)) + s.substring(1).toLowerCase(Locale.ROOT))
  51                 .collect(Collectors.joining());
  52     }
  53
  54     public static String formatSafetyNumber(String digits) {
  55         if (digits == null) {
  56             return null;
  57         }
  58
  59         final var partCount = 12;
  60         var partSize = digits.length() / partCount;
  61         var f = new StringBuilder(digits.length() + partCount);
  62         for (var i = 0; i < partCount; i++) {
  63             f.append(digits, i * partSize, (i * partSize) + partSize);
  64             if (i != partCount - 1) {
  65                 f.append(" ");
  66             }
  67         }
  68         return f.toString();
  69     }
  70
  71     public static ObjectMapper createJsonObjectMapper() {
  72         var objectMapper = new ObjectMapper();
  73         objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.PUBLIC_ONLY);
  74         objectMapper.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
  75         return objectMapper;
  76     }
  77
  78     public static Map<String, String> getQueryMap(String query) {
  79         var params = query.split("&");
  80         var map = new HashMap<String, String>();
  81         for (var param : params) {
  82             final var paramParts = param.split("=");
  83             var name = URLDecoder.decode(paramParts[0], StandardCharsets.UTF_8);
  84             var value = paramParts.length == 1 ? null : URLDecoder.decode(paramParts[1], StandardCharsets.UTF_8);
  85             map.put(name, value);
  86         }
  87         return map;
  88     }
  89
  90     public static void closeExecutorService(ExecutorService executor) {
  91         executor.shutdown();
  92         try {
  93             if (!executor.awaitTermination(5, TimeUnit.MINUTES)) {
  94                 executor.shutdownNow();
  95                 if (!executor.awaitTermination(1, TimeUnit.MINUTES)) {
  96                     logger.warn("Failed to shutdown executor service");
  97                 }
  98             }
  99         } catch (InterruptedException e) {
 100             executor.shutdownNow();
 101             Thread.currentThread().interrupt();
 102         }
 103     }
 104 }