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CommandManager/com/nemez/cmdmgr/util/Executable.java
2016-08-06 12:00:33 +02:00

250 lines
7.7 KiB
Java
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package com.nemez.cmdmgr.util;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.command.PluginCommand;
import org.bukkit.plugin.java.JavaPlugin;
import com.nemez.cmdmgr.Command;
import com.nemez.cmdmgr.component.ByteComponent;
import com.nemez.cmdmgr.component.ConstantComponent;
import com.nemez.cmdmgr.component.DoubleComponent;
import com.nemez.cmdmgr.component.FloatComponent;
import com.nemez.cmdmgr.component.ICommandComponent;
import com.nemez.cmdmgr.component.IntegerComponent;
import com.nemez.cmdmgr.component.LongComponent;
import com.nemez.cmdmgr.component.ShortComponent;
import com.nemez.cmdmgr.component.StringComponent;
public class Executable implements CommandExecutor {
private ArrayList<ExecutableDefinition> commands;
private ArrayList<HelpPageCommand[]> help;
private String name;
public Executable(String name, ArrayList<HelpPageCommand[]> help) {
this.help = help;
this.name = name;
this.commands = new ArrayList<ExecutableDefinition>();
}
public void register(ArrayList<Method> methods, JavaPlugin plugin, Object methodContainer) {
for (HelpPageCommand[] page : help) {
for (HelpPageCommand cmd : page) {
if (cmd != null) {
processLine(cmd.usage.split("\\ "), cmd.permission, cmd.method, methods, methodContainer);
}
}
}
PluginCommand plcmd = plugin.getCommand(name);
if (plcmd == null) {
System.out.println("the fuck");
}else{
plcmd.setExecutor(this);
}
}
private void processLine(String[] line, String permission, String method, ArrayList<Method> methods, Object methodContainer) {
ArrayList<ICommandComponent> command = new ArrayList<ICommandComponent>();
if (method == null && line[1].equals("help")) {
command.add(new ConstantComponent("help"));
IntegerComponent pageID = new IntegerComponent();
pageID.argName = "page";
command.add(pageID);
ExecutableDefinition def = new ExecutableDefinition(command, permission, null, methodContainer);
commands.add(def);
return;
}
HashMap<Integer, ICommandComponent> methodParams = new HashMap<Integer, ICommandComponent>();
method = method.trim() + " ";
String[] methodArray = method.split(" ");
Method target = null;
for (String s : line) {
if (s.contains("/")) {
continue;
}
if (s.contains(":")) {
String[] type = s.split(":");
String paramName = "";
switch (type[1].substring(0, type[1].length() - 1)) {
case "i8":
ByteComponent comp1 = new ByteComponent();
comp1.argName = type[0].substring(1);
paramName = comp1.argName;
command.add(comp1);
break;
case "i16":
ShortComponent comp2 = new ShortComponent();
comp2.argName = type[0].substring(1);
paramName = comp2.argName;
command.add(comp2);
break;
case "i32":
IntegerComponent comp3 = new IntegerComponent();
comp3.argName = type[0].substring(1);
paramName = comp3.argName;
command.add(comp3);
break;
case "i64":
LongComponent comp4 = new LongComponent();
comp4.argName = type[0].substring(1);
paramName = comp4.argName;
command.add(comp4);
break;
case "fp32":
FloatComponent comp5 = new FloatComponent();
comp5.argName = type[0].substring(1);
paramName = comp5.argName;
command.add(comp5);
break;
case "fp64":
DoubleComponent comp6 = new DoubleComponent();
comp6.argName = type[0].substring(1);
paramName = comp6.argName;
command.add(comp6);
break;
case "str":
StringComponent comp7 = new StringComponent();
comp7.argName = type[0].substring(1);
paramName = comp7.argName;
command.add(comp7);
break;
default:
System.err.println("impossible just happened!");
return;
}
int index = 0;
for (int i = 1; i < methodArray.length; i++) {
if (methodArray[i] != null && !methodArray[i].trim().equals("")) {
if (methodArray[i].trim().equals(paramName)) {
methodParams.put(index, command.get(command.size() - 1));
}
index++;
}
}
}else{
command.add(new ConstantComponent(s));
}
}
for (Method m : methods) {
Command[] annotations = m.getAnnotationsByType(Command.class);
if (annotations == null || annotations.length != 1) {
System.err.println("Method not found! (" + methodArray[0] + ")");
return;
}else{
if (annotations[0].hook().equals(methodArray[0])) {
Class<?>[] params = m.getParameterTypes();
if (params.length -1 != methodParams.size()) {
System.err.println("error again! :D");
return;
}else{
for (int i = 0; i < params.length; i++) {
if (i == 0) {
if (params[0] != CommandSender.class) {
System.err.println("you're missing the 'CommandSender' argument... it must be first btw");
return;
}
}else{
ICommandComponent comp = methodParams.get(i - 1);
if (comp instanceof ByteComponent && params[i] == byte.class) {
}else if (comp instanceof ShortComponent && params[i] == short.class) {
}else if (comp instanceof IntegerComponent && params[i] == int.class) {
}else if (comp instanceof LongComponent && params[i] == long.class) {
}else if (comp instanceof FloatComponent && params[i] == float.class) {
}else if (comp instanceof DoubleComponent && params[i] == double.class) {
}else if (comp instanceof StringComponent && params[i] == String.class) {
}else{
System.err.println("error yet again, this time you messed up the method inputs");
return;
}
}
}
target = m;
break;
}
}
}
}
if (target == null) {
System.err.println("Method not found! (" + methodArray[0] + ")");
return;
}
ExecutableDefinition def = new ExecutableDefinition(command, permission, target, methodContainer);
commands.add(def);
}
@Override
public boolean onCommand(CommandSender sender, org.bukkit.command.Command cmd, String name, String[] args) {
ArrayList<ExecutableDefinition> defs = new ArrayList<ExecutableDefinition>();
defs.addAll(commands);
for (int i = 0; i < args.length; i++) {
for (int j = 0; j < defs.size(); j++) {
if (!defs.get(j).valid(i, args[i])) {
defs.remove(j);
j--;
}
}
}
if (args.length == 0 || defs.size() == 0) {
printPage(sender, 1);
}else{
ExecutableDefinition def = defs.get(0);
if (!sender.hasPermission(def.getPermission())) {
sender.sendMessage("<EFBFBD>cYou do not have permission to execute this command.");
return true;
}
if (def.getLength() != args.length) {
printPage(sender, 1);
return true;
}
ArrayList<Object> arguments = new ArrayList<Object>();
for (int i = 0; i < args.length; i++) {
if (def.isArgument(i)) {
arguments.add(def.get(i, args[i]));
}
}
if (def.isHelp() || args[0].equals("help")) {
try {
int page = Integer.parseInt(args[1]);
printPage(sender, page);
} catch (Exception e) {
printPage(sender, 1);
}
}else if (!def.invoke(arguments, sender)) {
printPage(sender, 1);
}
}
return true;
}
private void printPage(CommandSender sender, int page) {
page--;
if (page < 0 || page >= help.size()) {
sender.sendMessage("<EFBFBD>cNon-existant page (" + (page + 1) + ").\nThere are " + help.size() + " pages.");
}else{
HelpPageCommand[] pageData = help.get(page);
sender.sendMessage("<EFBFBD>a### Help Page " + (page + 1) + "/" + (help.size()) + " ###");
for (HelpPageCommand c : pageData) {
if (c != null) {
sender.sendMessage("<EFBFBD>6" + c.usage);
sender.sendMessage("<EFBFBD>b" + c.description);
}
}
}
}
}