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Added better CLI support.

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This approach is more flexible.
This commit is contained in:
Markil3
2021-10-31 14:05:27 -06:00
parent 0de20568a7
commit 6a1c7d86e3
4 changed files with 208 additions and 278 deletions
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1
interface/build.gradle
View File

@@ -31,6 +31,7 @@ dependencies {
implementation 'org.apache.logging.log4j:log4j-slf4j-impl:2.13.3'
implementation 'com.google.code.gson:gson:2.8.7'
implementation 'commons-cli:commons-cli:1.4'
implementation 'net.harawata:appdirs:1.2.1'
implementation 'org.xerial:sqlite-jdbc:3.36.0.1'
implementation 'com.googlecode.soundlibs:jlayer:1.0.1.4'

92
interface/src/main/java/edu/regis/universeplayer/InstanceConnector.java
View File

@@ -1,18 +1,15 @@
package edu.regis.universeplayer;
import org.apache.commons.cli.CommandLine;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.PrintStream;
import java.io.*;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.InputMismatchException;
import java.util.LinkedHashMap;
import java.util.Scanner;
import java.util.*;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicBoolean;
@@ -43,78 +40,41 @@ public class InstanceConnector implements Runnable
while (this.running.get())
{
Socket socket = server.accept();
service.submit(() -> {
try (Scanner scanner = new Scanner(socket.getInputStream()))
service.submit(() ->
{
try
{
String[] args = scanner.nextLine().trim().split(" ");
ArrayList<String> parsedArgs = new ArrayList<>();
StringBuilder cachedString = null;
for (String arg : args)
ObjectInputStream scanner = new ObjectInputStream(socket.getInputStream());
PrintStream stream = new PrintStream(socket.getOutputStream());
CommandLine cmd = (CommandLine) scanner.readObject();
logger.debug("Receiving commands: " + Arrays.toString(cmd.getArgs()));
if (cmd.hasOption("help"))
{
if (cachedString != null)
{
if (arg.endsWith("\""))
{
cachedString
.append(arg, 0, arg.length() - 1);
parsedArgs.add(cachedString.toString());
cachedString = null;
}
else
{
cachedString.append(arg);
}
}
if (arg.startsWith("\""))
{
if (arg.endsWith("\""))
{
parsedArgs.add(arg.substring(1,
arg.length() - 1));
}
else
{
cachedString =
new StringBuilder(arg.substring(1));
}
}
else
{
parsedArgs.add(arg);
}
PlayerEnvironment.printHelp(stream);
}
args = parsedArgs.toArray(String[]::new);
LinkedHashMap<String, Object> ops = new LinkedHashMap<>();
parsedArgs.clear();
PlayerEnvironment.parseArgs(args, ops, parsedArgs);
if (ops.containsKey("h") || ops.containsKey("help"))
else
{
PlayerEnvironment.printHelp();
return;
PlayerEnvironment.runArguments(cmd,
stream);
}
PlayerEnvironment.runArguments(ops, parsedArgs,
new PrintStream(socket.getOutputStream()));
socket.shutdownOutput();
/*
* Wait for the client to acknowledge the print
* before closing the stream.
*/
while (true)
{
try
{
scanner.nextInt();
break;
}
catch (InputMismatchException e)
{
}
}
stream.println();
stream.println("END");
scanner.readInt();
logger.debug("Finished request");
}
catch (IOException e)
catch (EOFException e)
{
logger.error("Error reading socket stream");
/*
* Doesn't really matter
*/
}
catch (IOException | ClassNotFoundException e)
{
logger.error("Error reading socket stream", e);
}
finally
{

390
interface/src/main/java/edu/regis/universeplayer/PlayerEnvironment.java
View File

@@ -1,22 +1,12 @@
package edu.regis.universeplayer;
import org.apache.commons.cli.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.io.*;
import java.net.Socket;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.Scanner;
import java.util.concurrent.ExecutionException;
import java.util.*;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.ForkJoinTask;
import java.util.regex.Pattern;
@@ -24,7 +14,6 @@ import java.util.stream.Collectors;
import javax.swing.JOptionPane;
import edu.regis.universeplayer.browserCommands.QueryFuture;
import edu.regis.universeplayer.data.AlbumProvider;
import edu.regis.universeplayer.data.CompiledSongProvider;
import edu.regis.universeplayer.data.DefaultAlbumProvider;
@@ -49,6 +38,8 @@ public class PlayerEnvironment
private static final ResourceBundle langs = ResourceBundle
.getBundle("lang.interface", Locale.getDefault());
private static Options OPTIONS;
private static AlbumProvider ALBUMS_INSTANCE;
private static SongProvider<?> SONGS_INSTANCE;
@@ -67,19 +58,35 @@ public class PlayerEnvironment
*/
public static void main(String[] args)
{
LinkedHashMap<String, Object> ops = new LinkedHashMap<>();
ArrayList<String> params = new ArrayList<>();
parseArgs(args, ops, params);
Options ops = setupCLIArgs();
CommandLineParser parser = new DefaultParser();
CommandLine cmd = null;//not a good practice, it serves it purpose
if (ops.containsKey("h") || ops.containsKey("help"))
try
{
cmd = parser.parse(ops, args);
}
catch (ParseException e)
{
System.err.println(e.getMessage());
printHelp();
return;
System.exit(1);
}
if (!connectToServer(args))
if (cmd.hasOption("help"))
{
init(ops, params);
printHelp();
System.exit(0);
}
/*
* Attempts to forward the args to the running instance, or start a new
* instance if there is no instance running.
*/
if (!connectToServer(cmd))
{
init(cmd);
}
}
@@ -89,57 +96,47 @@ public class PlayerEnvironment
* @param args - The argument list to forward.
* @return True if the server exists, false if not.
*/
private static boolean connectToServer(String[] args)
private static boolean connectToServer(CommandLine args)
{
String data;
Socket socket;
boolean success = false;
try
{
socket = new Socket("localhost", ConfigManager.PORT);
try (PrintStream out = new PrintStream(socket.getOutputStream()))
ObjectOutputStream out = new ObjectOutputStream(socket.getOutputStream());
Scanner in = new Scanner(socket.getInputStream());
logger.debug("Connecting to remote");
out.writeObject(args);
logger.debug("Waiting for output");
while (in.hasNextLine())
{
boolean quote;
for (String arg : args)
data = in.nextLine();
if (data.equals("END"))
{
quote = arg.contains(" ");
if (quote)
{
out.print('"');
}
out.print(arg);
if (quote)
{
out.print('"');
}
out.print(' ');
break;
}
out.println();
try (Scanner in = new Scanner(socket.getInputStream()))
{
while (in.hasNextLine())
{
System.out.println(in.nextLine());
}
}
out.print(1);
System.out.println(data);
}
return true;
success = true;
logger.debug("Finished reading return output.");
out.writeInt(-1);
}
catch (IOException e)
{
logger.debug("Couldn't connect to server", e);
return false;
}
return success;
}
public static void init(Map<String, Object> ops,
List<String> params)
public static void init(CommandLine cmd)
{
/*
* Add this just in case of a crash or something. It won't work if the
* program is forcibly terminated by the OS, but it could be helpful
* otherwise.
*/
logger.info("Starting application {} {}", params, ops);
logger.info("Starting application {}", cmd);
InstanceConnector connector = new InstanceConnector();
new Thread(connector).start();
@@ -151,9 +148,10 @@ public class PlayerEnvironment
Queue queue = Queue.getInstance();
PlayerManager playback = PlayerManager.getPlayers();
queue.addSongChangeListener(queue1 -> ForkJoinPool.commonPool().submit(() -> {
queue.addSongChangeListener(queue1 -> ForkJoinPool.commonPool().submit(() ->
{
ForkJoinTask<Void> command = PlayerManager.getPlayers()
.stopSong();
.stopSong();
if (command != null)
{
command.join();
@@ -192,7 +190,8 @@ public class PlayerEnvironment
}
}
}));
playback.addPlaybackListener(status -> {
playback.addPlaybackListener(status ->
{
logger.info("Receiving {} from {}", status.getInfo(), status
.getSource());
if (status.getInfo().getStatus() == PlaybackStatus.FINISHED)
@@ -201,7 +200,7 @@ public class PlayerEnvironment
}
});
if (!ops.containsKey("headless"))
if (!cmd.hasOption("headless"))
{
Interface inter = new Interface();
inter.setSize(700, 500);
@@ -212,109 +211,103 @@ public class PlayerEnvironment
/*
* Open up the relevant songs
*/
runArguments(ops, params, System.out);
runArguments(cmd, System.out);
Runtime.getRuntime().addShutdownHook(new Thread(() -> {
Runtime.getRuntime().addShutdownHook(new Thread(() ->
{
connector.stop();
PlayerManager.getPlayers().shutdownPlayers();
}));
}
/**
* Converts an array of string arguments into a map of options and extra
* parameters.
*
* @param args - The arguments to parse.
* @param options - The map to dump the options into.
* @param params - The list to dump the other parameters into.
*/
public static void parseArgs(String[] args,
Map<String, Object> options,
List<String> params)
private static Options setupCLIArgs()
{
int equals;
Object value;
String key;
String valStr;
int i, j, l, l2;
for (i = 0, l = args.length; i < l; i++)
if (OPTIONS == null)
{
valStr = null;
if (args[i].startsWith("-"))
{
if (args[i].startsWith("--"))
{
equals = args[i].indexOf('=');
if (equals != -1)
{
valStr = args[i].substring(equals + 1);
}
else
{
equals = args[i].length();
}
key = args[i].substring(2, equals);
}
else
{
for (j = 1, l2 = args[i].length() - 1; j < l2; j++)
{
options.put(args[i].substring(j, j + 1), null);
}
key = args[i].substring(j, j + 1);
}
if (valStr == null && i < args.length - 1 && !args[i + 1]
.startsWith("-"))
{
valStr = args[++i];
}
if (valStr != null)
{
if (Pattern.matches("\\d+", valStr))
{
value = Integer.parseInt(valStr);
}
else if (Pattern.matches("\\d*\\.\\d+", valStr))
{
value = Double.parseDouble(valStr);
}
else
{
value = valStr;
}
}
else
{
value = true;
}
options.put(key, value);
}
else
{
params.add(args[i]);
}
OPTIONS = new Options();
/*
* Launch options
*/
Option headless = Option.builder().longOpt("headless")
.desc("Runs the player without a GUI.")
.build();
OPTIONS.addOption(headless);
Option help = Option.builder("h").longOpt("help")
.desc("Prints this help message.")
.build();
OPTIONS.addOption(help);
/*
* Playback options
*/
Option play = Option.builder().longOpt("play")
.desc("Starts playback.")
.build();
OPTIONS.addOption(play);
Option pause = Option.builder().longOpt("pause")
.desc("Starts playback.")
.build();
OPTIONS.addOption(pause);
Option toggle = Option.builder("t").longOpt("toggle")
.desc("Toggles playback.")
.build();
OPTIONS.addOption(toggle);
Option seek = Option.builder().longOpt("seek")
.hasArg().argName("time").desc("Seeks the player to the provided time, in seconds.")
.build();
OPTIONS.addOption(seek);
Option clear = Option.builder("c").longOpt("clear")
.desc("Clears the queue before adding songs.")
.build();
OPTIONS.addOption(clear);
Option next = Option.builder("n").longOpt("next")
.hasArg().optionalArg(true).argName("skipBy")
.desc("Skips to the next song by skipBy songs. Defaults to 1.")
.build();
OPTIONS.addOption(next);
Option prev = Option.builder("p").longOpt("prev")
.hasArg().optionalArg(true).argName("skipBy")
.desc("Skips to the previous song by skipBy songs. Defaults to 1.")
.build();
OPTIONS.addOption(prev);
Option skip = Option.builder().longOpt("skip")
.hasArg().optionalArg(true).argName("skipTo")
.desc("Skips to the requested song in the queue. Defaults to the next song.")
.build();
OPTIONS.addOption(skip);
Option status = Option.builder().longOpt("status")
.desc("Obtains the playback status.")
.build();
OPTIONS.addOption(status);
Option queue = Option.builder().longOpt("queue")
.desc("Gets the queue.")
.build();
OPTIONS.addOption(queue);
Option search = Option.builder().longOpt("search")
.desc("Searches the library for songs matching the arguments, instead of enqueuing them.")
.build();
OPTIONS.addOption(search);
}
return OPTIONS;
}
/**
* Runs command-line arguments
*
* @param options - Run options
* @param params - A list of song terms to search for and enqueue.
* @param out - Program output. While this may simply be System .out,
* this is just as likely going to be outputting to another
* program instance.
* @param cmd - A list of song terms to search for and enqueue.
* @param out - Program output. While this may simply be System .out, this
* is just as likely going to be outputting to another program
* instance.
*/
public static void runArguments(Map<String, Object> options,
List<String> params, PrintStream out)
public static void runArguments(CommandLine cmd, PrintStream out)
{
try
{
out.println(options.toString());
out.println(params.toString());
for (String op : options.keySet())
out.println(cmd.toString());
for (Option op : cmd.getOptions())
{
switch (op)
switch (op.getLongOpt())
{
case "play" -> {
PlayerManager.getPlayers().play();
@@ -330,23 +323,15 @@ public class PlayerEnvironment
}
case "seek" -> {
PlayerManager.getPlayers()
.seek((int) options.get("seek"));
.seek(Float.parseFloat(op.getValue()));
out.println("Seeking");
}
case "clear", "c" -> {
case "clear" -> {
out.println("Clearing");
Queue.getInstance().clear();
}
case "next", "n" -> {
Integer number = null;
if (options.get("next") instanceof Integer)
{
number = (Integer) options.get("next");
}
else if (options.get("n") instanceof Integer)
{
number = (Integer) options.get("n");
}
case "next" -> {
String number = op.getValue();
if (number == null)
{
Queue.getInstance().skipNext();
@@ -354,20 +339,12 @@ public class PlayerEnvironment
else
{
Queue.getInstance().skipToSong(Queue.getInstance()
.getCurrentIndex() + number);
.getCurrentIndex() + Integer.parseInt(number));
}
out.println("Next Song");
}
case "prev", "p" -> {
Integer number = null;
if (options.get("prev") instanceof Integer)
{
number = (Integer) options.get("prev");
}
else if (options.get("p") instanceof Integer)
{
number = (Integer) options.get("p");
}
case "prev" -> {
String number = op.getValue();
if (number == null)
{
Queue.getInstance().skipNext();
@@ -375,25 +352,21 @@ public class PlayerEnvironment
else
{
Queue.getInstance().skipToSong(Queue.getInstance()
.getCurrentIndex() - number);
.getCurrentIndex() - Integer.parseInt(number));
}
out.println("Clearing");
out.println("Previous Song");
}
case "skip" -> {
Integer number = null;
if (options.get("skip") instanceof Integer)
{
number = (Integer) options.get("skip");
}
String number = op.getValue();
if (number == null)
{
Queue.getInstance().skipNext();
}
else
{
Queue.getInstance().skipToSong(number);
Queue.getInstance().skipToSong(Integer.parseInt(number));
}
out.println("Clearing");
out.println("Skipping to song");
}
case "status" -> {
ForkJoinTask<PlaybackStatus> status =
@@ -423,17 +396,18 @@ public class PlayerEnvironment
}
}
HashMap<Song, Integer> matchMap = new HashMap<>();
for (String param : params)
for (String param : cmd.getArgList())
{
String finalParam = param.toLowerCase();
getSongs().getSongs().forEach(song -> {
getSongs().getSongs().forEach(song ->
{
Integer matches = matchMap.get(song);
if (matches == null)
{
matches = 0;
}
if (song.title != null && song.title.toLowerCase()
.contains(finalParam))
.contains(finalParam))
{
matches++;
}
@@ -475,13 +449,23 @@ public class PlayerEnvironment
if (matchMap.size() > 0)
{
List<Song> songs = matchMap.entrySet().stream().sorted(Map.Entry
.comparingByValue()).filter(entry -> (entry
.getValue() / (float) params.size()) >= 0.65F)
.map(Map.Entry::getKey)
.collect(Collectors.toList());
.comparingByValue()).filter(entry -> (entry
.getValue() / (float) cmd.getArgList().size()) >= 0.65F)
.map(Map.Entry::getKey)
.collect(Collectors.toList());
Collections.reverse(songs);
out.println("Playing " + songs);
Queue.getInstance().addAll(songs);
if (!cmd.hasOption("search"))
{
Queue.getInstance().addAll(songs);
}
else
{
for (Song song : songs)
{
out.println(song);
}
}
}
}
catch (Throwable e)
@@ -490,40 +474,24 @@ public class PlayerEnvironment
}
}
/**
* Prints command line arguments to the error console.
*/
public static void printHelp()
{
System.out.println("Universal Music Player");
System.out.println("----------------------");
System.out.println("CLI Arguments");
System.out.println("\t--headless");
System.out.println("\t\tRuns the player without a GUI.");
System.out.println("\t--play");
System.out.println("\t\tStarts playback");
System.out.println("\t--pause");
System.out.println("\t\tPauses playback");
System.out.println("\t--toggle, -t");
System.out.println("\t\tToggles playback");
System.out.println("\t--seek <time>");
System.out.println("\t\tSeeks the player to the provided time, in " +
"seconds");
System.out.println("\t--clear, -c");
System.out.println("\t\tClears the queue before adding songs");
System.out.println("\t--next, -n [skipBy]");
System.out.println("\t\tSkips to the next song by skipBy songs. " +
"Defaults to 1.");
System.out.println("\t--prev, -p [skipBy]");
System.out.println("\t\tSkips to the previous song by skipBy songs. " +
"Defaults to 1.");
System.out.println("\t--skip [skipTo]");
System.out.println("\t\tSkips to the requested song in the queue. " +
"Defaults to the next song.");
System.out.println("\t--status");
System.out.println("\t\tObtains the playback status");
System.out.println("\t--song");
System.out.println("\t\tObtains the current song");
System.out.println("\t--queue");
System.out.println("\t\tGets the queue");
System.out.println("\t--help, -h");
System.out.println("\t\tPrints this help message");
printHelp(System.err);
}
/**
* Prints command line arguments to the provided print stream.
*
* @param stream - The stream to print the options to.
*/
public static void printHelp(PrintStream stream)
{
final HelpFormatter formatter = new HelpFormatter();
PrintWriter writer = new PrintWriter(stream);
formatter.printHelp(formatter.getWidth(), "utility-name", "CLI Arguments", setupCLIArgs(), null);
writer.flush();
}
}

3
interface/src/test/java/BrowserTest.java
View File

@@ -1,3 +1,4 @@
import org.apache.commons.cli.CommandLine;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
@@ -28,7 +29,7 @@ public class BrowserTest
{
HashMap<String, Object> props = new HashMap<>();
props.put("headless", true);
PlayerEnvironment.init(props, Collections.emptyList());
PlayerEnvironment.init(new CommandLine.Builder().build());
}
@Test