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Updated commands to have optional aliases, and to fallback to /pluginName:cmdName on name conflict.

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By: VictorD <victor.danell@gmail.com>
This commit is contained in:
Bukkit/Spigot 2011-01-18 01:12:50 +01:00
parent b46210453c
commit ab6f5d4bc2
11 changed files with 233 additions and 161 deletions
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52
paper-api/src/main/java/org/bukkit/command/Command.java Normal file
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@ -0,0 +1,52 @@
package org.bukkit.command;
import java.util.ArrayList;
import java.util.List;
import org.bukkit.entity.Player;
public abstract class Command {
private final String name;
private List<String> aliases;
protected String tooltip = "";
protected String usageMessage;
public Command(String name) {
this.name = name;
this.aliases = new ArrayList<String>();
this.usageMessage = "/" + name;
}
public abstract boolean execute(Player player, String currentAlias, String[] args);
public String getName() {
return name;
}
public List<String> getAliases() {
return aliases;
}
public String getTooltip() {
return tooltip;
}
public String getUsage() {
return usageMessage;
}
public Command setAliases(List<String> aliases) {
this.aliases = aliases;
return this;
}
public Command setTooltip(String tooltip) {
this.tooltip = tooltip;
return this;
}
public Command setUsage(String usage) {
this.usageMessage = usage;
return this;
}
}

29
paper-api/src/main/java/org/bukkit/command/CommandMap.java Normal file
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@ -0,0 +1,29 @@
package org.bukkit.command;
import java.util.List;
import org.bukkit.entity.Player;
public interface CommandMap {
/**
* Registers all the commands belonging to a certain plugin.
* @param plugin
* @return
*/
public void registerAll(String fallbackPrefix, List<Command> commands);
/**
* Registers a command. Returns true on success; false if name is already taken and fallback had to be used.
*
* @param a label for this command, without the '/'-prefix.
* @return Returns true if command was registered; false if label was already in use.
*/
public boolean register(String label, String fallbackPrefix, Command command);
/** Looks for the requested command and executes it if found.
*
* @param cmdLine command + arguments. Example: "/test abc 123"
* @return targetFound returns false if no target is found.
*/
public boolean dispatch(Player sender, String cmdLine);
}

33
paper-api/src/main/java/org/bukkit/command/PluginCommand.java Normal file
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@ -0,0 +1,33 @@
package org.bukkit.command;
import java.awt.Color;
import org.bukkit.ChatColor;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;
public final class PluginCommand extends Command {
private final Plugin owningPlugin;
public PluginCommand(String name, Plugin owner) {
super(name);
this.owningPlugin = owner;
this.usageMessage = "";
}
public boolean execute(Player player, String commandLabel, String[] args) {
boolean cmdSuccess = owningPlugin.onCommand(player, this, commandLabel, args);
if (!cmdSuccess && usageMessage != "") {
String tmpMsg = usageMessage.replace("<command>", commandLabel);
String[] usageLines = tmpMsg.split("\\n");
for(String line: usageLines) {
while (line.length() > 0) {
int stripChars = (line.length() > 53 ? 53:line.length());
player.sendMessage(ChatColor.RED + line.substring(0, stripChars));
line = line.substring(stripChars);
}
}
}
return cmdSuccess;
}
}

51
paper-api/src/main/java/org/bukkit/command/PluginCommandYamlParser.java Normal file
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@ -0,0 +1,51 @@
package org.bukkit.command;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.bukkit.plugin.Plugin;
public class PluginCommandYamlParser {
public static List<Command> parse(Plugin plugin) {
List<Command> pluginCmds = new ArrayList<Command>();
Object object = plugin.getDescription().getCommands();
if (object == null)
return pluginCmds;
@SuppressWarnings("unchecked")
Map<String, Map<String, Object>> map = (Map<String, Map<String, Object>>)object;
if (map != null) {
for(Entry<String, Map<String, Object>> entry : map.entrySet()) {
Command newCmd = new PluginCommand(entry.getKey(),plugin);
Object description = entry.getValue().get("description");
Object usage = entry.getValue().get("usage");
Object aliases = entry.getValue().get("aliases");
if (description != null)
newCmd.setTooltip(description.toString());
if (usage != null) {
newCmd.setUsage(usage.toString());
}
if (aliases != null) {
List<String> aliasList = new ArrayList<String>();
for(String a : aliases.toString().split(",")) {
aliasList.add(a);
}
newCmd.setAliases(aliasList);
}
pluginCmds.add(newCmd);
}
}
return pluginCmds;
}
}

61
paper-api/src/main/java/org/bukkit/command/SimpleCommandMap.java Normal file
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@ -0,0 +1,61 @@
package org.bukkit.command;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.bukkit.entity.Player;
public final class SimpleCommandMap implements CommandMap {
private final Map<String, Command> knownCommands = new HashMap<String, Command>();
/**
* Registers multiple commands. Returns name of first command for which fallback had to be used if any.
* @param plugin
* @return
*/
public void registerAll(String fallbackPrefix, List<Command> commands) {
if (commands != null) {
for(Command c : commands) {
List<String> names = new ArrayList<String>();
names.add(c.getName());
names.addAll(c.getAliases());
for(String name : names) {
register(name, fallbackPrefix, c);
}
}
}
}
/**
* {@inheritDoc}
*/
public boolean register(String name, String fallbackPrefix, Command command) {
boolean nameInUse = (knownCommands.get(command.getName()) != null);
if (nameInUse)
name = fallbackPrefix + ":" + name;
knownCommands.put(name, command);
System.out.println("Adding cmd: " + name + " for plugin " + fallbackPrefix);
return !nameInUse;
}
/**
* {@inheritDoc}
*/
public boolean dispatch(Player sender, String commandLine) {
String[] args = commandLine.split(" ");
String sentCommandLabel = args[0].substring(1);
Command target = knownCommands.get(sentCommandLabel);
boolean isRegisteredCommand = (target != null);
if (isRegisteredCommand) {
target.execute(sender, sentCommandLabel, args);
}
return isRegisteredCommand;
}
}

31
paper-api/src/main/java/org/bukkit/plugin/Command.java
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@ -1,31 +0,0 @@
package org.bukkit.plugin;
public final class Command {
private final String name;
private final String tooltip;
private final String usage;
private final Plugin owner;
public Plugin getPlugin() {
return owner;
}
public String getName() {
return name;
}
public String getTooltip() {
return tooltip;
}
public String getHelpMessage() {
return usage;
}
public Command(String name, String tooltip, String helpMessage, Plugin owner) {
this.name = name;
this.tooltip = tooltip;
this.usage = helpMessage;
this.owner = owner;
}
}

28
paper-api/src/main/java/org/bukkit/plugin/CommandManager.java
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@ -1,28 +0,0 @@
package org.bukkit.plugin;
import org.bukkit.entity.Player;
public interface CommandManager {
/**
* Registers all the commands belonging to a certain plugin.
* @param plugin
* @return
*/
public boolean registerCommands(Plugin plugin);
/**
* Adds a command to the registeredCommands map. Returns true on success; false if name is already taken.
*
* @param command Name of command, without '/'-prefix.
* @return Returns true if command string was not already registered; false otherwise.
*/
public boolean registerCommand(String command, String tooltip, String helpMessage, Plugin plugin);
/** Looks up given string in registeredCommands map and calls the onCommand method on the
* appropriate plugin if found.
*
* @param cmdLine command + arguments. Example: "/test abc 123"
* @return targetFound returns false if no target is found.
*/
public boolean dispatchCommand(Player sender, String cmdLine);
}

37
paper-api/src/main/java/org/bukkit/plugin/CommandParserYaml.java
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@ -1,37 +0,0 @@
package org.bukkit.plugin;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
public class CommandParserYaml {
public static List<Command> parse(Plugin plugin) {
List<Command> cmds = new ArrayList<Command>();
Object object = plugin.getDescription().getCommands();
@SuppressWarnings("unchecked")
Map<String, Map<String, Object>> map = (Map<String, Map<String, Object>>)object;
if (map != null) {
for(Entry<String, Map<String, Object>> entry : map.entrySet()) {
Object d = entry.getValue().get("description");
Object u = entry.getValue().get("usage");
String description = "";
String usageText = "";
if (d != null)
description = d.toString();
if (u != null)
usageText = u.toString();
cmds.add(new Command(entry.getKey(), description, usageText, plugin));
}
}
return cmds;
}
}

5
paper-api/src/main/java/org/bukkit/plugin/Plugin.java
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@ -3,6 +3,7 @@ package org.bukkit.plugin;
import java.io.File;
import org.bukkit.Server;
import org.bukkit.command.Command;
import org.bukkit.entity.Player;
import org.bukkit.util.config.Configuration;
@ -65,6 +66,8 @@ public interface Plugin {
/**
* Called when a command registered by this plugin is received.
* @param commandLabel
* @return TODO
*/
public void onCommand(Player player, String command, String[] args);
public boolean onCommand(Player player, Command command, String commandLabel, String[] args);
}

62
paper-api/src/main/java/org/bukkit/plugin/SimpleCommandManager.java
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@ -1,62 +0,0 @@
package org.bukkit.plugin;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.bukkit.entity.Player;
public final class SimpleCommandManager implements CommandManager {
private final Map<String, Command> registeredCommands = new HashMap<String, Command>();
/**
* Registers all the commands specified in the description file of a plugin.
* @param plugin
* @return
*/
public boolean registerCommands(Plugin plugin) {
List<Command> commands = CommandParserYaml.parse(plugin);
boolean existsCommands = (commands != null);
if (existsCommands) {
for(Command c : commands) {
if (!registerCommand(c))
return false; // Command name conflict :(
}
}
return existsCommands;
}
public boolean registerCommand(Command command) {
return registerCommand(command.getName(), command.getTooltip(), command.getHelpMessage(), command.getPlugin());
}
/**
* {@inheritDoc}
*/
public boolean registerCommand(String command, String tooltip, String helpMessage, Plugin plugin) {
boolean nameAvailable = (registeredCommands.get(command) == null);
if (nameAvailable) {
Command newCmd = new Command(command, tooltip, helpMessage, plugin);
registeredCommands.put(command, newCmd);
}
return nameAvailable;
}
/**
* {@inheritDoc}
*/
public boolean dispatchCommand(Player sender, String cmdLine) {
String[] args = cmdLine.split(" ");
// Remove '/'-prefix and check if command is registered.
Command target = registeredCommands.get(args[0].substring(1));
boolean targetFound = (target != null);
if (targetFound) {
target.getPlugin().onCommand(sender, args[0], args);
}
return targetFound;
}
}

5
paper-api/src/main/java/org/bukkit/plugin/java/JavaPlugin.java
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@ -3,6 +3,7 @@ package org.bukkit.plugin.java;
import java.io.File;
import org.bukkit.Server;
import org.bukkit.command.Command;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.PluginDescriptionFile;
@ -141,7 +142,7 @@ public abstract class JavaPlugin implements Plugin {
/**
* Called when a command registered by this plugin is received.
*/
public void onCommand(Player player, String command, String[] args) {
// default implementation: do nothing!
public boolean onCommand(Player player, Command cmd, String commandLabel, String[] args) {
return false; // default implementation: do nothing!
}
}