Gamelib/src/main/java/uulm/teamname/marvelous/gamelibrary/json/JSON.java

57 lines
1.8 KiB
Java

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.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;
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.
*/
public EventMessage parse(String input) {
EventMessage result = null;
try {
result = mapper.readValue(input, EventMessage.class);
} catch (JsonProcessingException e) {
e.printStackTrace();
}
return result;
}
/** Serializes a {@link EventMessage} into a JSON string.
* @param input The message to serialize.
* @return The message as JSON.
*/
public String stringify(BasicMessage input) throws ExecutionControl.NotImplementedException {
String result = null;
try {
result = mapper.writeValueAsString(input);
} catch (JsonProcessingException e) {
e.printStackTrace();
}
return result;
}
}