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Code Issues Releases Wiki Activity

Refactoring of HelpHandler

This commit is contained in:
Sebastian Kaspari 2010-04-19 09:42:13 +02:00
parent daed3c3499
commit 04a5973ce0
1 changed files with 64 additions and 25 deletions
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89
src/org/yaaic/command/handler/HelpHandler.java
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@ -38,6 +38,7 @@ import android.content.Intent;
* Command: /help
*
* @author Karol Gliniecki <karol.gliniecki@googlemail.com>
* @author Sebastian Kaspari <sebastian@yaaic.org>
*/
public class HelpHandler extends BaseHandler
{
@ -46,53 +47,91 @@ public class HelpHandler extends BaseHandler
*/
@Override
public void execute(String[] params, Server server, Conversation conversation, IRCService service) throws CommandException
{
if (params.length == 2) {
showCommandDetails(service, server, conversation, params[1]);
} else if (params.length == 1) {
showAllCommands(service, server, conversation);
} else {
throw new CommandException("Invalid number of params");
}
}
/**
* Show all available commands
*
* @param conversation
* @param server
* @param service
*/
private void showAllCommands(IRCService service, Server server, Conversation conversation)
{
CommandParser cp = CommandParser.getInstance();
StringBuffer commandList = new StringBuffer("available commands: \n");
StringBuffer commandList = new StringBuffer("Available commands: \n");
HashMap<String, BaseHandler> commands = cp.getCommands();
HashMap<String, String> aliases = cp.getAliases();
Set<String> commandKeys = commands.keySet();
Set<String> aliasesKeys = aliases.keySet();
Message message;
if (params.length == 2) {
try {
message = new Message("Usage:\n"+commands.get(params[1]).getUsage());
message.setColor(Message.COLOR_YELLOW);
} catch (Exception e) {
message = new Message(params[1]+" is not a valid command");
message.setColor(Message.COLOR_RED);
}
} else {
for (Object command: commandKeys) {
String alias = "";
for (Object aliasCommand: aliasesKeys) {
if (command.equals(aliases.get(aliasCommand))) {
alias = " or /" + aliasCommand;
break;
}
for (Object command : commandKeys) {
String alias = "";
for (Object aliasCommand : aliasesKeys) {
if (command.equals(aliases.get(aliasCommand))) {
alias = " or /" + aliasCommand;
break;
}
commandList.append("/" + command.toString() + alias + " - "+commands.get(command).getDescription() + "\n");
}
message = new Message(commandList.toString());
message.setColor(Message.COLOR_YELLOW);
commandList.append("/" + command.toString() + alias + " - "+commands.get(command).getDescription() + "\n");
}
Message message = new Message(commandList.toString());
message.setColor(Message.COLOR_YELLOW);
conversation.addMessage(message);
Intent intent = Broadcast.createConversationIntent(
Broadcast.CONVERSATION_MESSAGE,
server.getId(),
conversation.getName()
);
service.sendBroadcast(intent);
}
/**
* Show details of a single command
*
*Usage of /help
* @param conversation
* @param server
* @param service
* @param command
* @throws CommandException
*/
private void showCommandDetails(IRCService service, Server server, Conversation conversation, String command) throws CommandException
{
CommandParser cp = CommandParser.getInstance();
HashMap<String, BaseHandler> commands = cp.getCommands();
if (commands.containsKey(command)) {
Message message = new Message("Help of /" + command + "\n" + commands.get(command).getUsage() + "\n" + commands.get(command).getDescription() + "\n");
message.setColor(Message.COLOR_YELLOW);
conversation.addMessage(message);
Intent intent = Broadcast.createConversationIntent(
Broadcast.CONVERSATION_MESSAGE,
server.getId(),
conversation.getName()
);
service.sendBroadcast(intent);
} else {
throw new CommandException("Unknown command: " + command);
}
}
/**
* Usage of /help
*/
@Override
public String getUsage()