50 lines
1.2 KiB
Java
50 lines
1.2 KiB
Java
package ru.gravit.launchserver.command;
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import java.util.UUID;
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import ru.gravit.launchserver.LaunchServer;
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import ru.gravit.utils.helper.VerifyHelper;
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public abstract class Command {
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protected static String parseUsername(String username) throws CommandException {
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try {
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return VerifyHelper.verifyUsername(username);
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} catch (IllegalArgumentException e) {
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throw new CommandException(e.getMessage());
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}
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}
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protected static UUID parseUUID(String s) throws CommandException {
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try {
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return UUID.fromString(s);
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} catch (IllegalArgumentException ignored) {
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throw new CommandException(String.format("Invalid UUID: '%s'", s));
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}
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}
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protected final LaunchServer server;
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protected Command(LaunchServer server) {
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this.server = server;
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}
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public abstract String getArgsDescription(); // "<required> [optional]"
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public abstract String getUsageDescription();
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public abstract void invoke(String... args) throws Exception;
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protected final void verifyArgs(String[] args, int min) throws CommandException {
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if (args.length < min)
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throw new CommandException("Command usage: " + getArgsDescription());
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}
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}
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