86 lines
3 KiB
Java
86 lines
3 KiB
Java
package net.walterhiggins.scriptcraft;
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import org.bukkit.command.Command;
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import org.bukkit.command.CommandSender;
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import org.bukkit.event.Listener;
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import org.bukkit.plugin.java.JavaPlugin;
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import javax.script.Invocable;
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import javax.script.ScriptEngine;
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import javax.script.ScriptEngineManager;
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import java.io.InputStreamReader;
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import java.util.ArrayList;
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import java.util.List;
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public class ScriptCraftPlugin extends JavaPlugin implements Listener
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{
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// right now all ops share the same JS context/scope
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// need to look at possibly having context/scope per operator
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//protected Map<CommandSender,ScriptCraftEvaluator> playerContexts = new HashMap<CommandSender,ScriptCraftEvaluator>();
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private String NO_JAVASCRIPT_MESSAGE = "No JavaScript Engine available. ScriptCraft will not work without Javascript.";
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protected ScriptEngine engine = null;
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@Override
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public void onEnable()
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{
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Thread currentThread = Thread.currentThread();
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ClassLoader previousClassLoader = currentThread.getContextClassLoader();
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currentThread.setContextClassLoader(getClassLoader());
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try{
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ScriptEngineManager factory = new ScriptEngineManager();
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this.engine = factory.getEngineByName("JavaScript");
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if (this.engine == null){
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this.getLogger().severe(NO_JAVASCRIPT_MESSAGE);
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} else {
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Invocable inv = (Invocable)this.engine;
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this.engine.eval(new InputStreamReader(this.getResource("boot.js")));
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inv.invokeFunction("__scboot", this, engine);
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}
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}catch(Exception e){
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e.printStackTrace();
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this.getLogger().severe(e.getMessage());
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}finally{
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currentThread.setContextClassLoader(previousClassLoader);
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}
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}
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public List<String> onTabComplete(CommandSender sender, Command cmd,
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String alias,
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String[] args)
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{
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List<String> result = new ArrayList<String>();
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if (this.engine == null){
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this.getLogger().severe(NO_JAVASCRIPT_MESSAGE);
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return null;
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}
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try {
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Invocable inv = (Invocable)this.engine;
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inv.invokeFunction("__onTabComplete", result, sender, cmd, alias, args);
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}catch (Exception e){
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sender.sendMessage(e.getMessage());
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e.printStackTrace();
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}
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return result;
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}
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public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args)
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{
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boolean result = false;
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String javascriptCode = "";
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Object jsResult = null;
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if (this.engine == null){
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this.getLogger().severe(NO_JAVASCRIPT_MESSAGE);
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return false;
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}
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try {
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jsResult = ((Invocable)this.engine).invokeFunction("__onCommand", sender, cmd, label, args);
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}catch (Exception se){
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this.getLogger().severe(se.toString());
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se.printStackTrace();
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sender.sendMessage(se.getMessage());
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}
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if (jsResult != null){
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return ((Boolean)jsResult).booleanValue();
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}
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return result;
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}
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}
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