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JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language, Standard ECMA-262 3rd Edition - December 1999. JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python, and many others. These properties make JSON an ideal data-interchange language.
package net.minidev.json.writer;
/*
* Copyright 2011-2023 JSON-SMART authors
*
* Licensed under the Apache License, 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.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
import java.io.IOException;
import java.lang.reflect.Type;
import net.minidev.json.parser.ParseException;
/**
* Default datatype mapper use by Json-smart ton store data.
*
* @author uriel Chemouni
*
* @param result type
*/
public abstract class JsonReaderI {
public final JsonReader base;
/**
* Reader can be link to the JsonReader Base
*
* @param base parent reader
*/
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
* @param key key name
*/
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 convert a temporary structure to the final data format.
*
* example: convert an List<Integer> to an int[]
*/
@SuppressWarnings("unchecked")
public T convert(Object current) {
return (T) current;
}
}