117 lines
3.3 KiB
Java
117 lines
3.3 KiB
Java
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package org.bukkit.plugin;
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import java.io.InputStream;
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import java.io.Reader;
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import java.io.Writer;
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import java.util.HashMap;
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import java.util.Map;
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import org.yaml.snakeyaml.Yaml;
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import org.yaml.snakeyaml.constructor.SafeConstructor;
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/**
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* Provides access to a Plugins description file, plugin.yaml
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*/
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public final class PluginDescriptionFile {
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private static final Yaml yaml = new Yaml(new SafeConstructor());
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private String name = null;
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private String main = null;
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private String version = null;
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@SuppressWarnings("unchecked")
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public PluginDescriptionFile(final InputStream stream) throws InvalidDescriptionException {
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loadMap((Map<String, Object>)yaml.load(stream));
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}
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/**
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* Loads a PluginDescriptionFile from the specified reader
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* @param reader
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*/
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@SuppressWarnings("unchecked")
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public PluginDescriptionFile(final Reader reader) throws InvalidDescriptionException {
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loadMap((Map<String, Object>)yaml.load(reader));
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}
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/**
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* Creates a new PluginDescriptionFile with the given detailed
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*
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* @param pluginName Name of this plugin
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* @param mainClass Full location of the main class of this plugin
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*/
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public PluginDescriptionFile(final String pluginName, final String pluginVersion, final String mainClass) {
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name = pluginName;
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version = pluginVersion;
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main = mainClass;
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}
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/**
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* Saves this PluginDescriptionFile to the given writer
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*
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* @param writer Writer to output this file to
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*/
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public void save(Writer writer) {
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yaml.dump(saveMap(), writer);
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}
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/**
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* Returns the name of a plugin
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*
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* @return String name
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*/
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public String getName() {
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return name;
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}
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/**
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* Returns the version of a plugin
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*
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* @return String name
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*/
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public String getVersion() {
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return version;
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}
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/**
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* Returns the main class for a plugin
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*
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* @return Java classpath
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*/
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public String getMain() {
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return main;
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}
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private void loadMap(Map<String, Object> map) throws InvalidDescriptionException {
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try {
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name = map.get("name").toString();
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} catch (NullPointerException ex) {
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throw new InvalidDescriptionException(ex, "name is not defined");
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} catch (ClassCastException ex) {
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throw new InvalidDescriptionException(ex, "name is of wrong type");
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}
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try {
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version = map.get("version").toString();
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} catch (NullPointerException ex) {
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throw new InvalidDescriptionException(ex, "version is not defined");
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} catch (ClassCastException ex) {
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throw new InvalidDescriptionException(ex, "version is of wrong type");
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}
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try {
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main = map.get("main").toString();
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} catch (NullPointerException ex) {
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throw new InvalidDescriptionException(ex, "main is not defined");
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} catch (ClassCastException ex) {
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throw new InvalidDescriptionException(ex, "main is of wrong type");
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}
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}
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private Map<String, Object> saveMap() {
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Map<String, Object> map = new HashMap<String, Object>();
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map.put("name", name);
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map.put("main", main);
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map.put("version", version);
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return map;
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}
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}
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