de.joinout.criztovyl.tools.json.JSONFile.java Source code

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Here is the source code for de.joinout.criztovyl.tools.json.JSONFile.java

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/**
This is a part of my tool collection.
Copyright (C) 2014 Christoph "criztovyl" Schulz
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.joinout.criztovyl.tools.json;

import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.json.JSONArray;
import org.json.JSONObject;

import de.joinout.criztovyl.tools.file.Path;

/**
 * This class represents a file that can contain JSON data and helps read and
 * write it.
 * 
 * @author criztovyl
 * 
 */
public class JSONFile {

    private final Path path;

    private final Logger logger;

    private String data;

    /**
     * Loads JSON data from the given file
     * 
     * @param path
     */
    public JSONFile(Path path) {

        logger = LogManager.getLogger();

        this.path = path;

        data = new JSONObject().toString();

        try {
            String data = FileUtils.readFileToString(path.getFile());

            if (!data.equals(""))
                this.data = data;

        } catch (final FileNotFoundException e) {
            logger.warn("File {} not found! (Maybe file wasn't created yet)", path.getPath());
            logger.catching(Level.WARN, e);
        } catch (final IOException e) {
            logger.catching(e);
        }

    }

    /**
     * Loads the JSON data from the {@link JSONArray}.
     * 
     * @param path
     *            the path to the JSON file
     * @param json
     *            the JSON object
     */
    public JSONFile(Path path, JSONArray json) {

        logger = LogManager.getLogger();

        this.path = path;
        data = json.toString();
    }

    /**
     * Loads the JSON data from the {@link JSONObject}.
     * 
     * @param path
     *            the path to the JSON file
     * @param json
     *            the JSON object
     */
    public JSONFile(Path path, JSONObject json) {

        logger = LogManager.getLogger();

        this.path = path;
        data = json.toString();
    }

    /**
     * 
     * @return the raw JSON data string
     */
    public String getData() {
        return data;
    }

    /**
     * 
     * @return the {@link JSONObject} represented by the given data.
     */
    public JSONArray getJSONArray() {
        return new JSONArray(data);
    }

    /**
     * 
     * @return the {@link JSONObject} represented by the given data.
     */
    public JSONObject getJSONObject() {
        final JSONObject json = new JSONObject(data);

        return json;
    }

    public Runnable runnableWrite() {
        return new Runnable() {

            public void run() {
                write();

            }
        };
    }

    /**
     * Writes the JSON data to the file.
     */
    public void write() {

        try {
            //Create file if not exists
            path.touch();

            //Create writer
            final FileWriter fw = new FileWriter(path.getFile());

            //Write
            fw.write(data);

            //Flush 'n' close
            fw.flush();
            fw.close();
        } catch (final IOException e) {
            logger.catching(e);
        }

    }

    public void setData(String str) {
        data = str;
    }

    public JSONFile setData(JSONObject json) {
        data = json.toString();

        return this;
    }

    public JSONFile setData(JSONArray json) {
        data = json.toString();

        return this;
    }

}