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package io.dico.dicore.command.predef;
import io.dico.dicore.command.CommandBuilder;
import io.dico.dicore.command.ExtendedCommand;
import io.dico.dicore.command.ICommandAddress;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Consumer;
/**
* Marker class for commands that are generated. These commands can be replaced using methods in {@link CommandBuilder}
*/
public abstract class PredefinedCommand<T extends PredefinedCommand<T>> extends ExtendedCommand<T> {
static final Map<String, Consumer<ICommandAddress>> predefinedCommandGenerators = new HashMap<>();
/**
* Get a predefined command
*
* @param name the name
* @return the subscriber
*/
public static Consumer<ICommandAddress> getPredefinedCommandGenerator(String name) {
return predefinedCommandGenerators.get(name);
}
/**
* Register a predefined command
*
* @param name the name
* @param consumer the generator which adds the child to the address
* @return true if and only if the subscriber was registered (false if the name exists)
*/
public static boolean registerPredefinedCommandGenerator(String name, Consumer<ICommandAddress> consumer) {
return predefinedCommandGenerators.putIfAbsent(name, consumer) == null;
}
static {
registerPredefinedCommandGenerator("help", HelpCommand::registerAsChild);
//noinspection StaticInitializerReferencesSubClass
registerPredefinedCommandGenerator("syntax", SyntaxCommand::registerAsChild);
}
public PredefinedCommand() {
}
public PredefinedCommand(boolean modifiable) {
super(modifiable);
}
}
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