mirror of
https://github.com/ViaVersion/ViaVersion.git
synced 2024-11-04 09:40:14 +01:00
Merge pull request #190 from lenis0012/master
Add config wrapper to update config
This commit is contained in:
Myles
commit
a3d124b552
@ -24,9 +24,12 @@ import us.myles.ViaVersion.handlers.ViaVersionInitializer;
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import us.myles.ViaVersion.listeners.CommandBlockListener;
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import us.myles.ViaVersion.update.UpdateListener;
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import us.myles.ViaVersion.update.UpdateUtil;
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import us.myles.ViaVersion.util.Configuration;
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import us.myles.ViaVersion.util.ListWrapper;
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import us.myles.ViaVersion.util.ReflectionUtil;
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import java.io.File;
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import java.io.IOException;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.List;
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@ -36,6 +39,7 @@ import java.util.concurrent.Callable;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.Future;
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import java.util.concurrent.TimeUnit;
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import java.util.logging.Level;
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public class ViaVersionPlugin extends JavaPlugin implements ViaVersionAPI {
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@ -64,7 +68,7 @@ public class ViaVersionPlugin extends JavaPlugin implements ViaVersionAPI {
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@Override
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public void onEnable() {
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ViaVersion.setInstance(this);
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saveDefaultConfig();
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generateConfig();
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if (System.getProperty("ViaVersion") != null) {
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getLogger().severe("ViaVersion is already loaded, we don't support reloads. Please reboot if you wish to update.");
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getLogger().severe("Some features may not work.");
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@ -93,6 +97,28 @@ public class ViaVersionPlugin extends JavaPlugin implements ViaVersionAPI {
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getCommand("viaversion").setExecutor(new ViaVersionCommand(this));
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}
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public void generateConfig() {
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File file = new File(getDataFolder(), "config.yml");
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if(file.exists()) {
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// Update config options
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Configuration oldConfig = new Configuration(file);
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oldConfig.reload(false); // Load current options from config
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file.delete(); // Delete old config
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saveDefaultConfig(); // Generate new config
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Configuration newConfig = new Configuration(file);
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newConfig.reload(true); // Load default options
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for(String key : oldConfig.getKeys(false)) {
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// Set option in new config if exists
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if(newConfig.contains(key)) {
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newConfig.set(key, oldConfig.get(key));
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}
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}
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newConfig.save();
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} else {
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saveDefaultConfig();
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}
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}
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public void injectPacketHandler() {
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try {
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Class<?> serverClazz = ReflectionUtil.nms("MinecraftServer");
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246
src/main/java/us/myles/ViaVersion/util/Configuration.java
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246
src/main/java/us/myles/ViaVersion/util/Configuration.java
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@ -0,0 +1,246 @@
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package us.myles.ViaVersion.util;
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import com.google.common.base.Joiner;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Maps;
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import org.bukkit.Bukkit;
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import org.bukkit.configuration.InvalidConfigurationException;
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import org.bukkit.configuration.file.YamlConfiguration;
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import java.util.logging.Level;
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import java.util.regex.Pattern;
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public class Configuration extends YamlConfiguration {
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private List<String> mainHeader = Lists.newArrayList();
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private final Map<String, List<String>> headers = Maps.newConcurrentMap();
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private final File file;
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private boolean loadHeaders;
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public Configuration(File file) {
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this.file = file;
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}
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/**
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* Set the main header displayed at top of config.
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*
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* @param header header
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*/
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public void mainHeader(String... header) {
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mainHeader = Arrays.asList(header);
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}
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/**
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* Get main header displayed at top of config.
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*
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* @return header
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*/
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public List<String> mainHeader() {
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return mainHeader;
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}
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/**
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* Set option header.
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*
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* @param key of option (or section)
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* @param header of option (or section)
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*/
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public void header(String key, String... header) {
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// String value = Joiner.on('\n').join(header);
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headers.put(key, Arrays.asList(header));
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}
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/**
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* Get header of option
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*
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* @param key of option (or section)
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* @return Header
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*/
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public List<String> header(String key) {
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return headers.get(key);
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}
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public <T> T get(String key, Class<T> type) {
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return type.cast(get(key));
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}
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/**
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* Reload config from file.
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*/
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public void reload() {
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reload(headers.isEmpty());
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}
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/**
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* Reload config from file.
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*
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* @param loadHeaders Whether or not to load headers.
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*/
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public void reload(boolean loadHeaders) {
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this.loadHeaders = loadHeaders;
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try {
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load(file);
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} catch(Exception e) {
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Bukkit.getLogger().log(Level.WARNING, "failed to reload file", e);
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}
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}
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@Override
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public void loadFromString(String contents) throws InvalidConfigurationException {
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if(!loadHeaders) {
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super.loadFromString(contents);
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return;
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}
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StringBuilder memoryData = new StringBuilder();
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// Parse headers
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final int indentLength = options().indent();
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final String pathSeparator = Character.toString(options().pathSeparator());
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int currentIndents = 0;
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String key = "";
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List<String> headers = Lists.newArrayList();
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for(String line : contents.split("\n")) {
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if(line.isEmpty()) continue; // Skip empty lines
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int indent = getSuccessiveCharCount(line, ' ');
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String subline = indent > 0 ? line.substring(indent) : line;
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if(subline.startsWith("#")) {
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if(subline.startsWith("#>")) {
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String txt = subline.startsWith("#> ") ? subline.substring(3) : subline.substring(2);
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mainHeader.add(txt);
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continue; // Main header, handled by bukkit
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}
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// Add header to list
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String txt = subline.startsWith("# ") ? subline.substring(2) : subline.substring(1);
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headers.add(txt);
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continue;
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}
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int indents = indent / indentLength;
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if(indents <= currentIndents) {
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// Remove last section of key
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String[] array = key.split(Pattern.quote(pathSeparator));
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int backspace = currentIndents - indents + 1;
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key = join(array, options().pathSeparator(), 0, array.length - backspace);
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}
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// Add new section to key
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String separator = key.length() > 0 ? pathSeparator : "";
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String lineKey = line.contains(":") ? line.split(Pattern.quote(":"))[0] : line;
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key += separator + lineKey.substring(indent);
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currentIndents = indents;
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memoryData.append(line).append('\n');
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if(!headers.isEmpty()) {
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this.headers.put(key, headers);
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headers = Lists.newArrayList();
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}
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}
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// Parse remaining text
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super.loadFromString(memoryData.toString());
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// Clear bukkit header
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options().header(null);
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}
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/**
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* Save config to file
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*/
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public void save() {
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if(headers.isEmpty() && mainHeader.isEmpty()) {
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try {
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super.save(file);
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} catch(IOException e) {
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Bukkit.getLogger().log(Level.WARNING, "Failed to save file", e);
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}
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return;
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}
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// Custom save
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final int indentLength = options().indent();
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final String pathSeparator = Character.toString(options().pathSeparator());
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String content = saveToString();
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StringBuilder fileData = new StringBuilder(buildHeader());
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int currentIndents = 0;
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String key = "";
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for(String h : mainHeader) {
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// Append main header to top of file
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fileData.append("#> ").append(h).append('\n');
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}
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for(String line : content.split("\n")) {
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if(line.isEmpty()) continue; // Skip empty lines
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int indent = getSuccessiveCharCount(line, ' ');
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int indents = indent / indentLength;
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String indentText = indent > 0 ? line.substring(0, indent) : "";
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if(indents <= currentIndents) {
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// Remove last section of key
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String[] array = key.split(Pattern.quote(pathSeparator));
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int backspace = currentIndents - indents + 1;
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key = join(array, options().pathSeparator(), 0, array.length - backspace);
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}
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// Add new section to key
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String separator = key.length() > 0 ? pathSeparator : "";
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String lineKey = line.contains(":") ? line.split(Pattern.quote(":"))[0] : line;
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key += separator + lineKey.substring(indent);
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currentIndents = indents;
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List<String> header = headers.get(key);
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String headerText = header != null ? addHeaderTags(header, indentText) : "";
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fileData.append(headerText).append(line).append('\n');
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}
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// Write data to file
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FileWriter writer = null;
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try {
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writer = new FileWriter(file);
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writer.write(fileData.toString());
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writer.flush();
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} catch(IOException e) {
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Bukkit.getLogger().log(Level.WARNING, "Failed to save file", e);
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} finally {
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if(writer != null) {
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try {
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writer.close();
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} catch(IOException e) {
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}
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}
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}
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}
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private String addHeaderTags(List<String> header, String indent) {
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StringBuilder builder = new StringBuilder();
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for(String line : header) {
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builder.append(indent).append("# ").append(line).append('\n');
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}
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return builder.toString();
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}
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private String join(String[] array, char joinChar, int start, int length) {
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String[] copy = new String[length - start];
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System.arraycopy(array, start, copy, 0, length - start);
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return Joiner.on(joinChar).join(copy);
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}
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private int getSuccessiveCharCount(String text, char key) {
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int count = 0;
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for(int i = 0; i < text.length(); i++) {
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if(text.charAt(i) == key) {
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count += 1;
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} else {
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break;
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}
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}
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return count;
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}
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}
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