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

   1 package org.asamk.signal;
   2
   3 import com.fasterxml.jackson.annotation.JsonProperty;
   4 import com.fasterxml.jackson.core.JsonGenerator;
   5 import com.fasterxml.jackson.core.JsonParser;
   6 import com.fasterxml.jackson.databind.*;
   7 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
   8 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
   9
  10 import java.io.IOException;
  11 import java.util.ArrayList;
  12 import java.util.HashMap;
  13 import java.util.List;
  14 import java.util.Map;
  15
  16 public class JsonGroupStore {
  17     @JsonProperty("groups")
  18     @JsonSerialize(using = JsonGroupStore.MapToListSerializer.class)
  19     @JsonDeserialize(using = JsonGroupStore.GroupsDeserializer.class)
  20     private Map<String, GroupInfo> groups = new HashMap<>();
  21
  22     public static List<GroupInfo> groupsWithLegacyAvatarId = new ArrayList<>();
  23
  24     private static final ObjectMapper jsonProcessor = new ObjectMapper();
  25
  26     void updateGroup(GroupInfo group) {
  27         groups.put(Base64.encodeBytes(group.groupId), group);
  28     }
  29
  30     GroupInfo getGroup(byte[] groupId) {
  31         GroupInfo g = groups.get(Base64.encodeBytes(groupId));
  32         return g;
  33     }
  34
  35     List<GroupInfo> getGroups() {
  36         return new ArrayList<>(groups.values());
  37     }
  38
  39     public static class MapToListSerializer extends JsonSerializer<Map<?, ?>> {
  40         @Override
  41         public void serialize(final Map<?, ?> value, final JsonGenerator jgen, final SerializerProvider provider) throws IOException {
  42             jgen.writeObject(value.values());
  43         }
  44     }
  45
  46     public static class GroupsDeserializer extends JsonDeserializer<Map<String, GroupInfo>> {
  47         @Override
  48         public Map<String, GroupInfo> deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
  49             Map<String, GroupInfo> groups = new HashMap<>();
  50             JsonNode node = jsonParser.getCodec().readTree(jsonParser);
  51             for (JsonNode n : node) {
  52                 GroupInfo g = jsonProcessor.treeToValue(n, GroupInfo.class);
  53                 // Check if a legacy avatarId exists
  54                 if (g.getAvatarId() != 0) {
  55                     groupsWithLegacyAvatarId.add(g);
  56                 }
  57                 groups.put(Base64.encodeBytes(g.groupId), g);
  58             }
  59
  60             return groups;
  61         }
  62     }
  63 }