package com.gmail.nossr50.config;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.YamlConfiguration;
import com.gmail.nossr50.metrics.MetricsManager;
public abstract class AutoUpdateConfigLoader extends ConfigLoader {
public AutoUpdateConfigLoader(String relativePath, String fileName) {
super(relativePath, fileName);
}
public AutoUpdateConfigLoader(String fileName) {
super(fileName);
}
@Override
protected void loadFile() {
super.loadFile();
FileConfiguration internalConfig = YamlConfiguration.loadConfiguration(plugin.getResource(fileName));
Set<String> configKeys = config.getKeys(true);
Set<String> internalConfigKeys = internalConfig.getKeys(true);
boolean needSave = false;
Set<String> oldKeys = new HashSet<String>(configKeys);
oldKeys.removeAll(internalConfigKeys);
Set<String> newKeys = new HashSet<String>(internalConfigKeys);
newKeys.removeAll(configKeys);
// Don't need a re-save if we have old keys sticking around?
// Would be less saving, but less... correct?
if (!newKeys.isEmpty() || !oldKeys.isEmpty()) {
needSave = true;
}
for (String key : oldKeys) {
plugin.debug("Removing unused key: " + key);
config.set(key, null);
}
for (String key : newKeys) {
plugin.debug("Adding new key: " + key + " = " + internalConfig.get(key));
config.set(key, internalConfig.get(key));
}
if (needSave) {
// Get Bukkit's version of an acceptable config with new keys, and no old keys
String output = config.saveToString();
// Convert to the superior 4 space indentation
output = output.replace(" ", " ");
// Rip out Bukkit's attempt to save comments at the top of the file
while (output.replaceAll("[//s]", "").startsWith("#")) {
output = output.substring(output.indexOf('\n', output.indexOf('#')) + 1);
}
// Read the internal config to get comments, then put them in the new one
try {
// Read internal
BufferedReader reader = new BufferedReader(new InputStreamReader(plugin.getResource(fileName)));
HashMap<String, String> comments = new HashMap<String, String>();
String temp = "";
String line;
while ((line = reader.readLine()) != null) {
if (line.contains("#")) {
temp += line + "\n";
}
else if (line.contains(":")) {
line = line.substring(0, line.indexOf(":") + 1);
if (!temp.isEmpty()) {
comments.put(line, temp);
temp = "";
}
}
}
// Dump to the new one
for (String key : comments.keySet()) {
if (output.contains(key)) {
output = output.substring(0, output.indexOf(key)) + comments.get(key) + output.substring(output.indexOf(key));
}
}
}
catch (Exception e) {
e.printStackTrace();
}
// Save it
try {
String saveName = fileName;
// At this stage we cannot guarantee that Config has been loaded, so we do the check directly here
if (!plugin.getConfig().getBoolean("General.Config_Update_Overwrite", true)) {
saveName += ".new";
}
BufferedWriter writer = new BufferedWriter(new FileWriter(new File(plugin.getDataFolder(), saveName)));
writer.write(output);
writer.flush();
writer.close();
}
catch (Exception e) {
e.printStackTrace();
}
}
else {
for (String key : configKeys) {
if (!config.isConfigurationSection(key) && !config.get(key).equals(internalConfig.get(key))) {
MetricsManager.customConfig();
break;
}
}
}
}
}