added dump command, closes #366

src/main/java/me/clip/placeholderapi/commands/PlaceholderCommandRouter.java

@@ -4,6 +4,7 @@ import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.impl.cloud.CommandECloud;
+import me.clip.placeholderapi.commands.impl.local.CommandDump;
 import me.clip.placeholderapi.commands.impl.local.CommandExpansionRegister;
 import me.clip.placeholderapi.commands.impl.local.CommandExpansionUnregister;
 import me.clip.placeholderapi.commands.impl.local.CommandHelp;
@@ -35,6 +36,7 @@ public final class PlaceholderCommandRouter implements CommandExecutor, TabCompl
 	private static final List<PlaceholderCommand> COMMANDS = ImmutableList.of(new CommandHelp(),
 																			  new CommandInfo(),
 																			  new CommandList(),
+																			  new CommandDump(),
 																			  new CommandECloud(),
 																			  new CommandParse(),
 																			  new CommandReload(),

src/main/java/me/clip/placeholderapi/commands/impl/local/CommandDump.java

@@ -0,0 +1,181 @@
+package me.clip.placeholderapi.commands.impl.local;
+
+import com.google.common.io.CharStreams;
+import com.google.gson.JsonParser;
+import me.clip.placeholderapi.PlaceholderAPIPlugin;
+import me.clip.placeholderapi.commands.PlaceholderCommand;
+import me.clip.placeholderapi.expansion.PlaceholderExpansion;
+import me.clip.placeholderapi.util.Msg;
+import org.bukkit.command.CommandSender;
+import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Unmodifiable;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.time.format.FormatStyle;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.logging.Level;
+import java.util.stream.Collectors;
+
+public final class CommandDump extends PlaceholderCommand
+{
+
+	@NotNull
+	private static final String URL = "https://paste.helpch.at/";
+
+	@NotNull
+	private static final JsonParser        JSON_PARSER = new JsonParser();
+	@NotNull
+	private static final DateTimeFormatter DATE_FORMAT = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.LONG)
+																		  .withLocale(Locale.US)
+																		  .withZone(ZoneId.of("UTC"));
+
+
+	public CommandDump()
+	{
+		super("dump");
+	}
+
+	@Override
+	public void evaluate(@NotNull final PlaceholderAPIPlugin plugin, @NotNull final CommandSender sender, @NotNull final String alias, @NotNull @Unmodifiable final List<String> params)
+	{
+		postDump(makeDump(plugin)).whenComplete((key, exception) -> {
+			if (exception != null)
+			{
+				plugin.getLogger().log(Level.WARNING, "failed to post dump details", exception);
+
+				Msg.msg(sender,
+						"&cFailed to post dump details, check console.");
+				return;
+			}
+
+			Msg.msg(sender,
+					"&aSuccessfully posted dump: " + URL + key);
+		});
+	}
+
+	@NotNull
+	private CompletableFuture<String> postDump(@NotNull final String dump)
+	{
+		return CompletableFuture.supplyAsync(() -> {
+			try
+			{
+				final HttpURLConnection connection = ((HttpURLConnection) new URL(URL + "documents").openConnection());
+				connection.setRequestMethod("POST");
+				connection.setRequestProperty("Content-Type", "text/plain; charset=utf-8");
+				connection.setDoOutput(true);
+
+				connection.connect();
+
+				try (final OutputStream stream = connection.getOutputStream())
+				{
+					stream.write(dump.getBytes(StandardCharsets.UTF_8));
+				}
+
+				try (final InputStream stream = connection.getInputStream())
+				{
+					//noinspection UnstableApiUsage
+					final String json = CharStreams.toString(new InputStreamReader(stream, StandardCharsets.UTF_8));
+					return JSON_PARSER.parse(json).getAsJsonObject().get("key").getAsString();
+				}
+			}
+			catch (final IOException ex)
+			{
+				throw new CompletionException(ex);
+			}
+		});
+	}
+
+	@NotNull
+	private String makeDump(@NotNull final PlaceholderAPIPlugin plugin)
+	{
+		final StringBuilder builder = new StringBuilder();
+
+		builder.append("Generated: ")
+			   .append(DATE_FORMAT.format(Instant.now()))
+			   .append("\n\n");
+
+		builder.append("PlaceholderAPI: ")
+			   .append(plugin.getDescription().getVersion())
+			   .append("\n\n");
+
+		builder.append("Expansions Registered:")
+			   .append('\n');
+
+
+		final Map<String, List<PlaceholderExpansion>> expansions = plugin.getLocalExpansionManager()
+																		 .getExpansions()
+																		 .stream()
+																		 .collect(Collectors.groupingBy(PlaceholderExpansion::getAuthor));
+
+		for (final Map.Entry<String, List<PlaceholderExpansion>> expansionsByAuthor : expansions.entrySet())
+		{
+			builder.append("  ")
+				   .append(expansionsByAuthor.getKey())
+				   .append(": ")
+				   .append('\n');
+
+			for (final PlaceholderExpansion expansion : expansionsByAuthor.getValue())
+			{
+				builder.append("    ")
+					   .append(expansion.getName())
+					   .append(':')
+					   .append(expansion.getVersion())
+					   .append('\n');
+			}
+		}
+
+		builder.append('\n');
+
+		builder.append("Expansions Directory:")
+			   .append('\n');
+
+		final String[] jars = plugin.getLocalExpansionManager()
+									.getExpansionsFolder()
+									.list((dir, name) -> name.toLowerCase().endsWith(".jar"));
+
+		for (final String jar : jars)
+		{
+			builder.append("  ")
+				   .append(jar)
+				   .append('\n');
+		}
+
+		builder.append('\n');
+
+
+		builder.append("Server Info: ")
+			   .append(plugin.getServer().getBukkitVersion())
+			   .append('/')
+			   .append(plugin.getServer().getVersion())
+			   .append("\n\n");
+
+		builder.append("Plugin Info:")
+			   .append('\n');
+
+		for (final Plugin other : plugin.getServer().getPluginManager().getPlugins())
+		{
+			builder.append("  ")
+				   .append(other.getName())
+				   .append(": ")
+				   .append(other.getDescription().getVersion())
+				   .append('\n');
+		}
+
+		return builder.toString();
+	}
+
+}