cleanup: improve JSON class code

This commit is contained in:
punchready 2021-06-03 03:46:58 +02:00
parent 09d798f37f
commit f323873b39

View File

@ -3,54 +3,48 @@ package uulm.teamname.marvelous.gamelibrary.json;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.InjectableValues;
import com.fasterxml.jackson.databind.ObjectMapper;
import jdk.jshell.spi.ExecutionControl;
import uulm.teamname.marvelous.gamelibrary.config.CharacterConfig;
import uulm.teamname.marvelous.gamelibrary.messages.BasicMessage;
import uulm.teamname.marvelous.gamelibrary.messages.EventMessage;
import uulm.teamname.marvelous.gamelibrary.config.CharacterConfig;
/**
* Class that contains JSON encoding and decoding. It is initiated with the Character configuration.
*/
public class JSON {
private final ObjectMapper mapper;
private final ObjectMapper mapper = new ObjectMapper();
public JSON (CharacterConfig config) {
this.mapper = new ObjectMapper();
// add the config to the mappers InjectableValues, where it is later accessed by the EntityDeserializer
this.mapper.setInjectableValues(new InjectableValues
.Std()
.addValue("CharacterConfig", config));
}
/** Deserializes an incoming network message into a {@link EventMessage}.
* @param input The JSON to deserialize.
* @return The parsed message.
* @param input The JSON to deserialize
* @return The parsed message or {@code null} if the deserialization failed
*/
public EventMessage parse(String input) {
EventMessage result = null;
try {
result = mapper.readValue(input, EventMessage.class);
return mapper.readValue(input, EventMessage.class);
} catch (JsonProcessingException e) {
e.printStackTrace();
return null;
}
return result;
}
/** Serializes a {@link EventMessage} into a JSON string.
* @param input The message to serialize.
* @return The message as JSON.
* @param input The message to serialize
* @return The message as JSON or {@code null} if the serialization failed
*/
public String stringify(BasicMessage input) throws ExecutionControl.NotImplementedException {
String result = null;
public String stringify(BasicMessage input) {
try {
result = mapper.writeValueAsString(input);
return mapper.writeValueAsString(input);
} catch (JsonProcessingException e) {
e.printStackTrace();
}
return result;
return null;
}
}
}