/*
* Copyright 2013 MovingBlocks
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.terasology.logic.console;
import org.terasology.entitySystem.entity.EntityRef;
import org.terasology.logic.console.commandSystem.ConsoleCommand;
import org.terasology.naming.Name;
import java.util.Collection;
import java.util.List;
/**
*/
public interface Console {
String NEW_LINE = "\n";
/**
* Registers a {@link org.terasology.logic.console.commandSystem.ConsoleCommand}.
*
* @param command
*/
void registerCommand(ConsoleCommand command);
void dispose();
/**
* Adds a message to the console (as a CoreMessageType.CONSOLE message)
*
* @param message
*/
void addMessage(String message);
/**
* Adds a message to the console
*
* @param message
* @param type
*/
void addMessage(String message, MessageType type);
/**
* Adds a message to the console
*
* @param message
*/
void addMessage(Message message);
/**
* @return An iterator over all messages in the console
*/
Iterable<Message> getMessages();
/**
* @param types a set of allowed message types
* @return All messages in the console, filtered by message type (OR)
*/
Iterable<Message> getMessages(MessageType... types);
List<String> getPreviousCommands();
/**
* Subscribe for notification of all messages added to the console
*
* @param subscriber
*/
void subscribe(ConsoleSubscriber subscriber);
/**
* Unsubscribe from receiving notification of messages being added to the console
*
* @param subscriber
*/
void unsubscribe(ConsoleSubscriber subscriber);
/**
* Execute a command and log to local command history.
*
* @param command The whole string of the command including the command name and the optional parameters.
* @return Returns true if the command was executed successfully.
*/
boolean execute(String command, EntityRef callingClient);
/**
* Execute a command
*
* @param commandName the command name
* @param params a list of parameters (no quotes!)
* @param callingClient the resonsible client entity
* @return true if successful
*/
boolean execute(Name commandName, List<String> params, EntityRef callingClient);
/**
* @param rawCommand Command entered in the UI
* @return Command name
*/
String processCommandName(String rawCommand);
/**
* @param rawCommand Command entered in the UI
* @return String command arguments
*/
List<String> processParameters(String rawCommand);
/**
* Get a group of commands by their name. These will vary by the number of parameters they accept
*
* @param name The name of the command.
* @return An iterator over the commands.
*/
ConsoleCommand getCommand(Name name);
/**
* Get the collection of all loaded commands.
*
* @return Returns the commands.
*/
Collection<ConsoleCommand> getCommands();
/**
* If <code>oldMsg</code> does not exist, the method does nothing.
* @param oldMsg the old message
* @param newMsg the new message
*/
void replaceMessage(Message oldMsg, Message newMsg);
/**
* If the message does not exist, the method does nothing.
* @param message the message to remove
*/
void removeMessage(Message message);
/**
* Clears the console of all previous messages.
*/
void clear();
}