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