com.jn.easyjson.javax.json.JavaxJsonHandler Maven / Gradle / Ivy

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package com.jn.easyjson.javax.json;

import com.jn.easyjson.core.JsonException;
import com.jn.easyjson.core.JsonHandlerAdapter;
import com.jn.easyjson.core.JsonTreeNode;
import com.jn.easyjson.javax.json.node.JsonMapper;
import com.jn.langx.util.io.IOs;

import javax.json.Json;
import javax.json.JsonReader;
import javax.json.JsonValue;
import javax.json.JsonWriter;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.lang.reflect.Type;

public class JavaxJsonHandler extends JsonHandlerAdapter {
    @Override
    public JsonTreeNode deserialize(String json) throws JsonException {
        JsonReader jsonReader = Json.createReader(new StringReader(json));
        JsonValue jsonValue = jsonReader.readValue();
        return JsonMapper.toJsonTreeNode(jsonValue);
    }

    @Override
    public Object deserialize(String json, Type typeOfT) throws JsonException {
        return null;
    }

    @Override
    public Object deserialize(Reader reader, Type typeOfT) throws JsonException {
        return null;
    }

    @Override
    public String serialize(Object src, Type typeOfT) throws JsonException {
        StringWriter writer = new StringWriter();
        JsonWriter jsonWriter = Json.createWriter(writer);
        JsonTreeNode jsonTreeNode = JsonMapper.toJsonTreeNode(src);
        jsonWriter.write(JsonMapper.fromJsonTreeNode(jsonTreeNode));

        String jsonString = jsonWriter.toString();
        IOs.close(jsonWriter);
        return jsonString;
    }
}