190 lines
6.1 KiB
Java
190 lines
6.1 KiB
Java
package pw.yumc.YumCore.config;
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import com.google.common.io.Files;
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import org.apache.commons.lang.Validate;
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import org.bukkit.configuration.ConfigurationSection;
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import org.bukkit.configuration.InvalidConfigurationException;
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import org.bukkit.configuration.file.YamlConfiguration;
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import org.bukkit.plugin.Plugin;
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import org.yaml.snakeyaml.DumperOptions;
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import org.yaml.snakeyaml.Yaml;
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import org.yaml.snakeyaml.error.YAMLException;
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import org.yaml.snakeyaml.representer.Representer;
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import pw.yumc.YumCore.bukkit.Log;
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import pw.yumc.YumCore.bukkit.P;
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import pw.yumc.YumCore.config.yaml.BukkitConstructor;
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import pw.yumc.YumCore.config.yaml.BukkitRepresenter;
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import java.io.*;
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import java.nio.charset.Charset;
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import java.util.Map;
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/**
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* 抽象配置文件
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*
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* @author 喵♂呜
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* @since 2016年3月12日 下午4:46:45
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*/
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public abstract class AbstractConfig extends YamlConfiguration {
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private static String CONTENT_NOT_BE_NULL = "内容不能为 null";
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protected static Charset UTF_8 = Charset.forName("UTF-8");
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protected static String FILE_NOT_BE_NULL = "文件不能为 NULL";
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protected static String CREATE_NEW_CONFIG = "配置: 创建新的文件 %s ...";
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protected static String newLine = "\n";
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protected static Plugin plugin = P.instance;
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protected DumperOptions yamlOptions = new DumperOptions();
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protected Representer yamlRepresenter = BukkitRepresenter.DEFAULT;
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protected Yaml yamlz = new Yaml(BukkitConstructor.DEFAULT, yamlRepresenter, yamlOptions);
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/**
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* 配置文件内容MAP
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*/
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protected Map contentsMap;
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/**
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* 配置内容字符串
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*/
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protected String data;
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/**
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* @return 获得配置内容
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*/
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public Map getContentMap() {
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return contentsMap;
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}
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@Override
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public void load(File file) throws IOException, InvalidConfigurationException {
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Validate.notNull(file, FILE_NOT_BE_NULL);
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FileInputStream stream = new FileInputStream(file);
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load(new InputStreamReader(stream, UTF_8));
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}
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@Override
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public void load(Reader reader) throws IOException, InvalidConfigurationException {
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StringBuilder builder = new StringBuilder();
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try (BufferedReader input = reader instanceof BufferedReader ? (BufferedReader) reader : new BufferedReader(reader)) {
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String line;
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while ((line = input.readLine()) != null) {
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builder.append(line);
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builder.append(newLine);
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}
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}
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loadFromString(builder.toString());
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}
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@Override
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public void loadFromString(String contents) throws InvalidConfigurationException {
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Validate.notNull(contents, CONTENT_NOT_BE_NULL);
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try {
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contentsMap = (Map) yamlz.load(contents);
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} catch (YAMLException | ClassCastException e) {
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throw new InvalidConfigurationException(e);
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}
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String header = parseHeader(contents);
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if (header.length() > 0) {
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options().header(header);
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}
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if (contentsMap != null) {
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convertMapsToSections(contentsMap, this);
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}
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}
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protected void convertMapsToSections(Map<?, ?> input, ConfigurationSection section) {
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for (Map.Entry<?, ?> entry : input.entrySet()) {
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String key = entry.getKey().toString();
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Object value = entry.getValue();
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if (value instanceof Map) {
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convertMapsToSections((Map<?, ?>) value, section.createSection(key));
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} else {
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section.set(key, value);
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}
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}
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}
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protected String parseHeader(String input) {
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String[] lines = input.split("\r?\n", -1);
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StringBuilder result = new StringBuilder();
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boolean readingHeader = true;
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boolean foundHeader = false;
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for (int i = 0; (i < lines.length) && (readingHeader); i++) {
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String line = lines[i];
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if (line.startsWith(COMMENT_PREFIX)) {
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if (i > 0) {
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result.append("\n");
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}
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if (line.length() > COMMENT_PREFIX.length()) {
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result.append(line.substring(COMMENT_PREFIX.length()));
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}
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foundHeader = true;
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} else if ((foundHeader) && (line.length() == 0)) {
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result.append("\n");
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} else if (foundHeader) {
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readingHeader = false;
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}
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}
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return result.toString();
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}
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@Override
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protected String buildHeader() {
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String header = options().header();
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if (header == null) {
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return "";
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}
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StringBuilder builder = new StringBuilder();
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String[] lines = header.split("\r?\n", -1);
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boolean startedHeader = false;
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for (int i = lines.length - 1; i >= 0; i--) {
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builder.insert(0, "\n");
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if ((startedHeader) || (lines[i].length() != 0)) {
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builder.insert(0, lines[i]);
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builder.insert(0, COMMENT_PREFIX);
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startedHeader = true;
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}
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}
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return builder.toString();
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}
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@Override
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public void save(File file) throws IOException {
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Validate.notNull(file, FILE_NOT_BE_NULL);
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Files.createParentDirs(file);
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if (!file.exists()) {
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file.createNewFile();
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Log.i(CREATE_NEW_CONFIG, file.toPath());
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}
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try (Writer writer = new OutputStreamWriter(new FileOutputStream(file), UTF_8)) {
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writer.write(data);
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}
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}
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@Override
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public String saveToString() {
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yamlOptions.setIndent(options().indent());
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yamlOptions.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
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yamlRepresenter.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
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String header = buildHeader();
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String dump = yamlz.dump(getValues(false));
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if (dump.equals(BLANK_CONFIG)) {
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dump = "";
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}
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data = header + dump;
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return data;
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}
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}
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