FileConfiguration.java

package com.timvisee.minecraftrunner.configuration;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public abstract class FileConfiguration extends Configuration {
    
	/**
	 * Constructor
	 */
    public FileConfiguration() {
        super();
    }

    /**
     * Save the configuration to a file
     * @param file File to save the configuration in
     * @throws IOException
     */
    public void save(File file) throws IOException {
        // Make sure the file is not null
    	if(file == null)
    		return;

        // Create the parent directories
    	file.getParentFile().mkdirs();
    	
    	// Get the configuration string
        String data = saveToString();

        // Construct the file writer
        FileWriter writer = new FileWriter(file);

        // Save the data
        try {
            writer.write(data);
        } finally {
            writer.close();
        }
    }
    
    /**
     * Save the configuration to a file
     * @param file File path to save the configuration at
     * @throws IOException
     */
    public void save(String file) throws IOException {
        // Make sure the file path is not null
    	if(file == null || file.equals(""))
    		return;
    	
    	// Save the file
        save(new File(file));
    }

    /**
     * Save the configuration to a string
     * @return Configuration string
     */
    public abstract String saveToString();

    /**
     * Load the configuration from a file
     * @param file File to load the configuration from
     * @throws FileNotFoundException
     * @throws IOException
     */
    public void load(File file) throws FileNotFoundException, IOException {
        // Load the file
        load(new FileInputStream(file));
    }

    /**
     * Load the configuration from a input stream
     * @param stream Input stream to load the configuration from
     * @throws IOException
     */
    public void load(InputStream stream) throws IOException {
        // Make sure the input stream is not null
    	if(stream == null)
    		return;

        InputStreamReader reader = new InputStreamReader(stream);
        StringBuilder builder = new StringBuilder();
        BufferedReader input = new BufferedReader(reader);

        try {
            String line;

            while ((line = input.readLine()) != null) {
                builder.append(line);
                builder.append('\n');
            }
        } finally {
            input.close();
        }
        
        loadFromString(builder.toString());
    }

    /**
     * Load the configuration from a file path
     * @param file File path to the configuration file
     * @throws FileNotFoundException
     * @throws IOException
     */
    public void load(String file) throws FileNotFoundException, IOException {
        // Make sure the file path is not null
    	if(file == null || file.equals(""))
    		return;

    	// Load the file
        load(new File(file));
    }

    /**
     * Load the configuration from a string
     * @param contents Configuration string
     */
    public abstract void loadFromString(String contents);
}