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package org.bukkit.plugin;
import java.io.InputStream;
import java.io.Reader;
import java.io.Writer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.constructor.SafeConstructor;
/**
* Provides access to a Plugins description file, plugin.yaml
*/
public final class PluginDescriptionFile {
private static final Yaml yaml = new Yaml(new SafeConstructor());
private String name = null;
private String main = null;
private ArrayList<String> depend = null;
private String version = null;
private Object commands = null;
private String description = null;
private ArrayList<String> authors = new ArrayList<String>();
private String website = null;
private boolean database = false;
@SuppressWarnings("unchecked")
public PluginDescriptionFile(final InputStream stream) throws InvalidDescriptionException {
loadMap((Map<String, Object>)yaml.load(stream));
}
/**
* Loads a PluginDescriptionFile from the specified reader
* @param reader
*/
@SuppressWarnings("unchecked")
public PluginDescriptionFile(final Reader reader) throws InvalidDescriptionException {
loadMap((Map<String, Object>)yaml.load(reader));
}
/**
* Creates a new PluginDescriptionFile with the given detailed
*
* @param pluginName Name of this plugin
* @param mainClass Full location of the main class of this plugin
*/
public PluginDescriptionFile(final String pluginName, final String pluginVersion, final String mainClass) {
name = pluginName;
version = pluginVersion;
main = mainClass;
}
/**
* Saves this PluginDescriptionFile to the given writer
*
* @param writer Writer to output this file to
*/
public void save(Writer writer) {
yaml.dump(saveMap(), writer);
}
/**
* Returns the name of a plugin
*
* @return String name
*/
public String getName() {
return name;
}
/**
* Returns the version of a plugin
*
* @return String name
*/
public String getVersion() {
return version;
}
/**
* Returns the name of a plugin including the version
*
* @return String name
*/
public String getFullName() {
return name + " v" + version;
}
/**
* Returns the main class for a plugin
*
* @return Java classpath
*/
public String getMain() {
return main;
}
public Object getCommands() {
return commands;
}
public Object getDepend() {
return depend;
}
/**
* Gets the description of this plugin
*
* return Description of this plugin
*/
public String getDescription() {
return description;
}
public ArrayList<String> getAuthors() {
return authors;
}
public String getWebsite() {
return website;
}
public boolean isDatabaseEnabled() {
return database;
}
public void setDatabaseEnabled(boolean database) {
this.database = database;
}
private void loadMap(Map<String, Object> map) throws InvalidDescriptionException {
try {
name = map.get("name").toString();
} catch (NullPointerException ex) {
throw new InvalidDescriptionException(ex, "name is not defined");
} catch (ClassCastException ex) {
throw new InvalidDescriptionException(ex, "name is of wrong type");
}
try {
version = map.get("version").toString();
} catch (NullPointerException ex) {
throw new InvalidDescriptionException(ex, "version is not defined");
} catch (ClassCastException ex) {
throw new InvalidDescriptionException(ex, "version is of wrong type");
}
try {
main = map.get("main").toString();
if (main.startsWith("org.bukkit.")) {
throw new InvalidDescriptionException("main may not be within the org.bukkit namespace");
}
} catch (NullPointerException ex) {
throw new InvalidDescriptionException(ex, "main is not defined");
} catch (ClassCastException ex) {
throw new InvalidDescriptionException(ex, "main is of wrong type");
}
if (map.containsKey("commands")) {
try {
commands = map.get("commands");
} catch (ClassCastException ex) {
throw new InvalidDescriptionException(ex, "commands are of wrong type");
}
}
if (map.containsKey("depend")) {
try {
depend = (ArrayList<String>)map.get("depend");
} catch (ClassCastException ex) {
throw new InvalidDescriptionException(ex, "depend is of wrong type");
}
}
if (map.containsKey("database")) {
try {
database = (Boolean)map.get("database");
} catch (ClassCastException ex) {
throw new InvalidDescriptionException(ex, "database is of wrong type");
}
}
if (map.containsKey("website")) {
try {
website = (String)map.get("website");
} catch (ClassCastException ex) {
throw new InvalidDescriptionException(ex, "website is of wrong type");
}
}
if (map.containsKey("description")) {
try {
description = (String)map.get("description");
} catch (ClassCastException ex) {
throw new InvalidDescriptionException(ex, "description is of wrong type");
}
}
if (map.containsKey("author")) {
try {
String extra = (String)map.get("author");
authors.add(extra);
} catch (ClassCastException ex) {
throw new InvalidDescriptionException(ex, "author is of wrong type");
}
}
if (map.containsKey("authors")) {
try {
ArrayList<String> extra = (ArrayList<String>)map.get("authors");
authors.addAll(extra);
} catch (ClassCastException ex) {
throw new InvalidDescriptionException(ex, "authors are of wrong type");
}
}
}
private Map<String, Object> saveMap() {
Map<String, Object> map = new HashMap<String, Object>();
map.put("name", name);
map.put("main", main);
map.put("version", version);
map.put("database", database);
if (commands != null) map.put("command", commands);
if (depend != null) map.put("depend", depend);
if (website != null) map.put("website", website);
if (description != null) map.put("description", description);
if (authors.size() == 1) {
map.put("author", authors.get(0));
} else if (authors.size() > 1) {
map.put("authors", authors);
}
return map;
}
}
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