VoteLinks

package net.risenphoenix.jnk.votelinks;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;

import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.plugin.java.JavaPlugin;

public final class VoteLinks extends JavaPlugin{

    // ***VOTELINKS V1.0.3 BY: JNK1296***
    // Declare Variables

    // Storage for the configuration file
    public static String[] lines = new String[64];
    public static char[] color = new char[64];

    // plugin version string and (chat) name
    private static final String verString = "v1.0.3";
    private static final String plugName = "[VoteLinks] ";

    // File paths
    File dir = new File("plugins/VoteLinks");
    File path = new File("plugins/VoteLinks/URLs.txt");

    // Output Strings
    private static final String noPermErr = "You don't have permission to use this command. Please contact your server administrator.";
    private static final String configErrRead = "Exception occurred while attempting to read configuration file!";
    private static final String configErrWrite = "Failed to generate default configuration file!";
    private static final String configSucWrite = "Generated default configuration file!";
    private static final String defaultConfigMsg = "# VoteLinks " + verString + ". \r\nDefault Configuration File. Please define URLs here.";
    private static final String onLoad = "Reading URLs.txt...";
    private static final String onDisable = "VoteLinks " + verString + " shutting down...";
    private static final String sucReload = "VoteLinks configuration reloaded successfully!";
    private static final String failReload = "An error occurred while attempting to reload the configuration. :(";
    private static final String cmdErr = "Improper syntax or undefined command.";

    public void onEnable() {
        // Console Output
        getLogger().info(onLoad);

        // Method Calls
        defaultConfiguration();
        loadConfig();
    }

    // If URLs.txt does not exist, then generate the default configuration file.
    public void defaultConfiguration() {
        FileWriter f = null;

        try {
            // If VoteLinks folder does not exist, create it.
            if (!dir.exists()) dir.mkdir();

            // If configuration file does not exist, create it.
            if (!path.exists()) {
                f = new FileWriter(path, true);

                f.write(defaultConfigMsg);
                f.close();

                // Console Output
                getLogger().info(configSucWrite);
            }

        } catch (IOException e) {
            // Console Output (in the event of an exception)
            getLogger().severe(configErrWrite);
            e.printStackTrace();
        }
    }

    public boolean loadConfig() {
        // Load the configuration file into lines[] array. (Line formatting takes place here as well.)

        for (int i = 0; i < color.length; i++) {
            color[i] = 'x';
        }

        try {
            FileInputStream fstream = new FileInputStream(path);
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            String strLine;

            // Parse Data for color codes and store the data in corresponding arrays color[] and lines[]
            for (int i = 0; i < lines.length; i++) {
                if ((strLine = br.readLine()) != null) {
                    // If the color-code character is detected at the beginning of the line, the execute the following.
                    if (strLine.startsWith("&")) {

                        // assign a color code value to the colors array based on the code given within URLs.txt.
                        char code = strLine.charAt(1);
                        if ((code >= '0' && code <= '9') || (code >= 'a' && code <= 'f') || (code >= 'k' && code <= 'o')) {
                            color[i] = code;

                        // If an uppercase, but otherwise valid code was passed, convert it to lowercase and pass it to the array.
                        } else if ((code >= 'A' && code <= 'F') || (code >= 'K' && code <= 'O')) {
                            code = Character.toLowerCase(code);
                            color[i] = code;

                        // A character value of 'q' indicates that an invalid color code was given. (q represents null in this case)
                        } else {
                            color[i] = 'q';
                        }

                        // Remove the color code from the line so that it doesn't appear in the output.
                        strLine = strLine.replaceFirst("&" + strLine.charAt(1), "");
                    }

                    lines[i] = strLine;
                } else {
                    break;
                }
            }

            br.close();
            return true;
        } catch (Exception e) {
            // Console Output in the event we fail to read the configuration file.
            getLogger().severe(configErrRead);

            return false;
        }
    }

    public boolean reload() {
        // Set all elements of lines[] to null, then reload the configuration file.
        for (int i = 0; i < lines.length; i++) {
            lines[i] = null;
        }

        // Load the Configuration, check for success
        return loadConfig();
    }

    public ChatColor getColor(int index) {
        // If the color index for the line is null or undefined, then return the default plugin color (GOLD), else return the color specified.
        if (color[index] == 'q' || color[index] == 'x') {
            return ChatColor.WHITE;
        } else {
            return ChatColor.getByChar(color[index]);
        }
    }

    public void onDisable() {
        // Console output
        getLogger().info(onDisable);
    }

    public boolean onCommand(CommandSender sender, Command cmd, String commandLabel, String[] args) {
        boolean hasParameters = false;

        // Check for command arguments
        try {
            if (args[0] != null) {
                hasParameters = true;
            }
        } catch (Exception e) {
            hasParameters = false;
        }

        // If we get the 'vote' command with parameters specified.
        if(cmd.getName().equalsIgnoreCase("vote") && hasParameters) {
            if (args[0].equalsIgnoreCase("reload")) {
                if (sender.hasPermission("VoteLinks.reload") || sender.isOp()) {
                    boolean success = reload();
                    if (success) {
                        sender.sendMessage(ChatColor.YELLOW + plugName + ChatColor.DARK_RED + sucReload);
                    } else {
                        sender.sendMessage(ChatColor.YELLOW + plugName + ChatColor.DARK_RED + failReload);
                    }
                    return true;
                } else {
                    sender.sendMessage(noPermErr);
                    return true;
                }
            // if "about" then display the plugin name and version number.
            } else if (args[0].equalsIgnoreCase("about")) {
                sender.sendMessage(ChatColor.YELLOW + plugName + ChatColor.DARK_RED + "VoteLinks " + verString + " by Jnk1296.");
                return true;

            // all else
            } else {
                sender.sendMessage(ChatColor.YELLOW + plugName + ChatColor.DARK_RED + cmdErr);
                return true;
            }
        } else if (!hasParameters) {
            // Else if no parameters are specified, perform main function. (Display Links)
            for (int i = 0; i < lines.length; i++) {
                if (lines[i] != null) {
                    sender.sendMessage(ChatColor.YELLOW + plugName + ChatColor.GOLD + "["+ (i+1) + "] " + getColor(i) + lines[i]);
                } else {
                    break;
                }
            }
            return true;
        }

        return false;
    }
}