Refactor some parts of NewLaunch
This commit is contained in:
		@@ -16,22 +16,24 @@ package org.multimc;/*
 | 
			
		||||
 | 
			
		||||
import org.multimc.onesix.OneSixLauncher;
 | 
			
		||||
 | 
			
		||||
import java.io.*;
 | 
			
		||||
import java.nio.charset.Charset;
 | 
			
		||||
import java.io.BufferedReader;
 | 
			
		||||
import java.io.IOException;
 | 
			
		||||
import java.io.InputStreamReader;
 | 
			
		||||
import java.nio.charset.StandardCharsets;
 | 
			
		||||
 | 
			
		||||
public class EntryPoint
 | 
			
		||||
{
 | 
			
		||||
    private enum Action
 | 
			
		||||
    {
 | 
			
		||||
        Proceed,
 | 
			
		||||
        Launch,
 | 
			
		||||
        Abort
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    private final ParamBucket params = new ParamBucket();
 | 
			
		||||
 | 
			
		||||
    private org.multimc.Launcher launcher;
 | 
			
		||||
 | 
			
		||||
    public static void main(String[] args)
 | 
			
		||||
    {
 | 
			
		||||
        EntryPoint listener = new EntryPoint();
 | 
			
		||||
 | 
			
		||||
        int retCode = listener.listen();
 | 
			
		||||
 | 
			
		||||
        if (retCode != 0)
 | 
			
		||||
        {
 | 
			
		||||
            System.out.println("Exiting with " + retCode);
 | 
			
		||||
@@ -41,111 +43,92 @@ public class EntryPoint
 | 
			
		||||
 | 
			
		||||
    private Action parseLine(String inData) throws ParseException
 | 
			
		||||
    {
 | 
			
		||||
        String[] pair = inData.split(" ", 2);
 | 
			
		||||
        String[] pair = inData.split("\\s+", 2);
 | 
			
		||||
 | 
			
		||||
        if(pair.length == 1)
 | 
			
		||||
        {
 | 
			
		||||
            String command = pair[0];
 | 
			
		||||
            if (pair[0].equals("launch"))
 | 
			
		||||
        if (pair.length == 0)
 | 
			
		||||
            throw new ParseException("Unexpected empty string!");
 | 
			
		||||
 | 
			
		||||
        switch (pair[0]) {
 | 
			
		||||
            case "launch": {
 | 
			
		||||
                return Action.Launch;
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            else if (pair[0].equals("abort"))
 | 
			
		||||
            case "abort": {
 | 
			
		||||
                return Action.Abort;
 | 
			
		||||
 | 
			
		||||
            else throw new ParseException("Error while parsing:" + pair[0]);
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
        if(pair.length != 2)
 | 
			
		||||
            throw new ParseException("Pair length is not 2.");
 | 
			
		||||
            case "launcher": {
 | 
			
		||||
                if (pair.length != 2)
 | 
			
		||||
                    throw new ParseException("Expected 2 tokens, got 1!");
 | 
			
		||||
 | 
			
		||||
        String command = pair[0];
 | 
			
		||||
        String param = pair[1];
 | 
			
		||||
                if (pair[1].equals("onesix")) {
 | 
			
		||||
                    launcher = new OneSixLauncher();
 | 
			
		||||
 | 
			
		||||
        if(command.equals("launcher"))
 | 
			
		||||
        {
 | 
			
		||||
            if(param.equals("onesix"))
 | 
			
		||||
            {
 | 
			
		||||
                m_launcher = new OneSixLauncher();
 | 
			
		||||
                    Utils.log("Using onesix launcher.");
 | 
			
		||||
                Utils.log();
 | 
			
		||||
 | 
			
		||||
                    return Action.Proceed;
 | 
			
		||||
                } else {
 | 
			
		||||
                    throw new ParseException("Invalid launcher type: " + pair[1]);
 | 
			
		||||
                }
 | 
			
		||||
            else
 | 
			
		||||
                throw new ParseException("Invalid launcher type: " + param);
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
        m_params.add(command, param);
 | 
			
		||||
        //System.out.println(command + " : " + param);
 | 
			
		||||
            default: {
 | 
			
		||||
                if (pair.length != 2)
 | 
			
		||||
                    throw new ParseException("Error while parsing:" + pair[0]);
 | 
			
		||||
 | 
			
		||||
                params.add(pair[0], pair[1]);
 | 
			
		||||
 | 
			
		||||
                return Action.Proceed;
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    public int listen()
 | 
			
		||||
    {
 | 
			
		||||
        BufferedReader buffer;
 | 
			
		||||
        try
 | 
			
		||||
        {
 | 
			
		||||
            buffer = new BufferedReader(new InputStreamReader(System.in, "UTF-8"));
 | 
			
		||||
        } catch (UnsupportedEncodingException e)
 | 
			
		||||
        {
 | 
			
		||||
            System.err.println("For some reason, your java does not support UTF-8. Consider living in the current century.");
 | 
			
		||||
        Action action = Action.Proceed;
 | 
			
		||||
 | 
			
		||||
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(
 | 
			
		||||
                System.in,
 | 
			
		||||
                StandardCharsets.UTF_8
 | 
			
		||||
        ))) {
 | 
			
		||||
            String line;
 | 
			
		||||
 | 
			
		||||
            while (action == Action.Proceed) {
 | 
			
		||||
                if ((line = reader.readLine()) != null) {
 | 
			
		||||
                    action = parseLine(line);
 | 
			
		||||
                } else {
 | 
			
		||||
                    action = Action.Abort;
 | 
			
		||||
                }
 | 
			
		||||
            }
 | 
			
		||||
        } catch (IOException | ParseException e) {
 | 
			
		||||
            Utils.log("Launcher ABORT due to exception:");
 | 
			
		||||
 | 
			
		||||
            e.printStackTrace();
 | 
			
		||||
 | 
			
		||||
            return 1;
 | 
			
		||||
        }
 | 
			
		||||
        boolean isListening = true;
 | 
			
		||||
        boolean isAborted = false;
 | 
			
		||||
 | 
			
		||||
        // Main loop
 | 
			
		||||
        while (isListening)
 | 
			
		||||
        {
 | 
			
		||||
            String inData;
 | 
			
		||||
            try
 | 
			
		||||
            {
 | 
			
		||||
                // Read from the pipe one line at a time
 | 
			
		||||
                inData = buffer.readLine();
 | 
			
		||||
                if (inData != null)
 | 
			
		||||
                {
 | 
			
		||||
                    Action a = parseLine(inData);
 | 
			
		||||
                    if(a == Action.Abort)
 | 
			
		||||
                    {
 | 
			
		||||
                        isListening = false;
 | 
			
		||||
                        isAborted = true;
 | 
			
		||||
                    }
 | 
			
		||||
                    if(a == Action.Launch)
 | 
			
		||||
                    {
 | 
			
		||||
                        isListening = false;
 | 
			
		||||
                    }
 | 
			
		||||
                }
 | 
			
		||||
                else
 | 
			
		||||
                {
 | 
			
		||||
                    isListening = false;
 | 
			
		||||
                    isAborted = true;
 | 
			
		||||
                }
 | 
			
		||||
            }
 | 
			
		||||
            catch (IOException e)
 | 
			
		||||
            {
 | 
			
		||||
                System.err.println("Launcher ABORT due to IO exception:");
 | 
			
		||||
                e.printStackTrace();
 | 
			
		||||
                return 1;
 | 
			
		||||
            }
 | 
			
		||||
            catch (ParseException e)
 | 
			
		||||
            {
 | 
			
		||||
                System.err.println("Launcher ABORT due to PARSE exception:");
 | 
			
		||||
                e.printStackTrace();
 | 
			
		||||
                return 1;
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
        if(isAborted)
 | 
			
		||||
        if (action == Action.Abort)
 | 
			
		||||
        {
 | 
			
		||||
            System.err.println("Launch aborted by the launcher.");
 | 
			
		||||
            return 1;
 | 
			
		||||
        }
 | 
			
		||||
        if(m_launcher != null)
 | 
			
		||||
 | 
			
		||||
        if (launcher != null)
 | 
			
		||||
        {
 | 
			
		||||
            return m_launcher.launch(m_params);
 | 
			
		||||
            return launcher.launch(params);
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        System.err.println("No valid launcher implementation specified.");
 | 
			
		||||
 | 
			
		||||
        return 1;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    private ParamBucket m_params = new ParamBucket();
 | 
			
		||||
    private org.multimc.Launcher m_launcher;
 | 
			
		||||
    private enum Action {
 | 
			
		||||
        Proceed,
 | 
			
		||||
        Launch,
 | 
			
		||||
        Abort
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
@@ -18,5 +18,5 @@ package org.multimc;
 | 
			
		||||
 | 
			
		||||
public interface Launcher
 | 
			
		||||
{
 | 
			
		||||
    abstract int launch(ParamBucket params);
 | 
			
		||||
    int launch(ParamBucket params);
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
@@ -19,62 +19,62 @@ package org.multimc;
 | 
			
		||||
import java.util.ArrayList;
 | 
			
		||||
import java.util.HashMap;
 | 
			
		||||
import java.util.List;
 | 
			
		||||
import java.util.Map;
 | 
			
		||||
 | 
			
		||||
public class ParamBucket
 | 
			
		||||
{
 | 
			
		||||
 | 
			
		||||
    private final Map<String, List<String>> paramsMap = new HashMap<>();
 | 
			
		||||
 | 
			
		||||
    public void add(String key, String value)
 | 
			
		||||
    {
 | 
			
		||||
        List<String> coll = null;
 | 
			
		||||
        if(!m_params.containsKey(key))
 | 
			
		||||
        {
 | 
			
		||||
            coll = new ArrayList<String>();
 | 
			
		||||
            m_params.put(key, coll);
 | 
			
		||||
        }
 | 
			
		||||
        else
 | 
			
		||||
        {
 | 
			
		||||
            coll = m_params.get(key);
 | 
			
		||||
        }
 | 
			
		||||
        coll.add(value);
 | 
			
		||||
        paramsMap.computeIfAbsent(key, k -> new ArrayList<>())
 | 
			
		||||
                .add(value);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    public List<String> all(String key) throws NotFoundException
 | 
			
		||||
    {
 | 
			
		||||
        if(!m_params.containsKey(key))
 | 
			
		||||
        List<String> params = paramsMap.get(key);
 | 
			
		||||
 | 
			
		||||
        if (params == null)
 | 
			
		||||
            throw new NotFoundException();
 | 
			
		||||
        return m_params.get(key);
 | 
			
		||||
 | 
			
		||||
        return params;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    public List<String> allSafe(String key, List<String> def)
 | 
			
		||||
    {
 | 
			
		||||
        if(!m_params.containsKey(key) || m_params.get(key).size() < 1)
 | 
			
		||||
        {
 | 
			
		||||
        List<String> params = paramsMap.get(key);
 | 
			
		||||
 | 
			
		||||
        if (params == null || params.isEmpty())
 | 
			
		||||
            return def;
 | 
			
		||||
        }
 | 
			
		||||
        return m_params.get(key);
 | 
			
		||||
 | 
			
		||||
        return params;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    public List<String> allSafe(String key)
 | 
			
		||||
    {
 | 
			
		||||
        return allSafe(key, new ArrayList<String>());
 | 
			
		||||
        return allSafe(key, new ArrayList<>());
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    public String first(String key) throws NotFoundException
 | 
			
		||||
    {
 | 
			
		||||
        List<String> list = all(key);
 | 
			
		||||
        if(list.size() < 1)
 | 
			
		||||
        {
 | 
			
		||||
 | 
			
		||||
        if (list.isEmpty())
 | 
			
		||||
            throw new NotFoundException();
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        return list.get(0);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    public String firstSafe(String key, String def)
 | 
			
		||||
    {
 | 
			
		||||
        if(!m_params.containsKey(key) || m_params.get(key).size() < 1)
 | 
			
		||||
        {
 | 
			
		||||
        List<String> params = paramsMap.get(key);
 | 
			
		||||
 | 
			
		||||
        if (params == null || params.isEmpty())
 | 
			
		||||
            return def;
 | 
			
		||||
        }
 | 
			
		||||
        return m_params.get(key).get(0);
 | 
			
		||||
 | 
			
		||||
        return params.get(0);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    public String firstSafe(String key)
 | 
			
		||||
@@ -82,5 +82,4 @@ public class ParamBucket
 | 
			
		||||
        return firstSafe(key, "");
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    private HashMap<String, List<String>> m_params = new HashMap<String, List<String>>();
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user