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/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed under the Apache, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at  http://www.gnu.org/licenses/lgpl-3.0.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.minidev.json.writer;

import net.minidev.json.parser.ParseException;

import java.io.IOException;
import java.lang.reflect.Type;

/**
 * Default datatype mapper use by Json-smart ton store data.
 *
 * @param 
 * @author uriel Chemouni
 */
public abstract class JsonReaderI {
    public final JsonReader base;

    /**
     * Reader can be link to the JsonReader Base
     *
     * @param base
     */
    public JsonReaderI(JsonReader base) {
        this.base = base;
    }

    private static String ERR_MSG = "Invalid or non Implemented status";

    /**
     * called when json-smart parser meet an object key
     */

    public JsonReaderI startObject(String key) throws ParseException, IOException {
        throw new RuntimeException(ERR_MSG + " startObject(String key) in " + this.getClass() + " key=" + key);
    }

    /**
     * called when json-smart parser start an array.
     *
     * @param key the destination key name, or null.
     */
    public JsonReaderI startArray(String key) throws ParseException, IOException {
        throw new RuntimeException(ERR_MSG + " startArray in " + this.getClass() + " key=" + key);
    }

    /**
     * called when json-smart done parsing a value
     */
    public void setValue(Object current, String key, Object value) throws ParseException, IOException {
        throw new RuntimeException(ERR_MSG + " setValue in " + this.getClass() + " key=" + key);
    }

    public Object getValue(Object current, String key) {
        throw new RuntimeException(ERR_MSG + " getValue(Object current, String key) in " + this.getClass() + " key=" + key);
    }

    // Object current,
    public Type getType(String key) {
        throw new RuntimeException(ERR_MSG + " getType(String key) in " + this.getClass() + " key=" + key);
    }

    /**
     * add a value in an array json object.
     */
    public void addValue(Object current, Object value) throws ParseException, IOException {
        throw new RuntimeException(ERR_MSG + " addValue(Object current, Object value) in " + this.getClass());
    }

    /**
     * use to instantiate a new object that will be used as an object
     */
    public Object createObject() {
        throw new RuntimeException(ERR_MSG + " createObject() in " + this.getClass());
    }

    /**
     * use to instantiate a new object that will be used as an array
     */
    public Object createArray() {
        throw new RuntimeException(ERR_MSG + " createArray() in " + this.getClass());
    }

    /**
     * Allow a mapper to converte a temprary structure to the final data format.
     * 
     * example: convert an List<Integer> to an int[]
     */
    @SuppressWarnings("unchecked")
    public T convert(Object current) {
        return (T) current;
    }
}