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Code Issues Releases Wiki Activity

Refactoring of HelpHandler

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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 * Command: /help
* *
* @author Karol Gliniecki <karol.gliniecki@googlemail.com> * @author Karol Gliniecki <karol.gliniecki@googlemail.com>
* @author Sebastian Kaspari <sebastian@yaaic.org>
*/ */
public class HelpHandler extends BaseHandler public class HelpHandler extends BaseHandler
{ {
@ -46,53 +47,91 @@ public class HelpHandler extends BaseHandler
*/ */
@Override @Override
public void execute(String[] params, Server server, Conversation conversation, IRCService service) throws CommandException 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(); 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, BaseHandler> commands = cp.getCommands();
HashMap<String, String> aliases = cp.getAliases(); HashMap<String, String> aliases = cp.getAliases();
Set<String> commandKeys = commands.keySet(); Set<String> commandKeys = commands.keySet();
Set<String> aliasesKeys = aliases.keySet(); Set<String> aliasesKeys = aliases.keySet();
Message message; for (Object command : commandKeys) {
if (params.length == 2) { String alias = "";
try { for (Object aliasCommand : aliasesKeys) {
message = new Message("Usage:\n"+commands.get(params[1]).getUsage()); if (command.equals(aliases.get(aliasCommand))) {
message.setColor(Message.COLOR_YELLOW); alias = " or /" + aliasCommand;
} catch (Exception e) { break;
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;
}
} }
commandList.append("/" + command.toString() + alias + " - "+commands.get(command).getDescription() + "\n");
} }
message = new Message(commandList.toString()); commandList.append("/" + command.toString() + alias + " - "+commands.get(command).getDescription() + "\n");
message.setColor(Message.COLOR_YELLOW);
} }
Message message = new Message(commandList.toString());
message.setColor(Message.COLOR_YELLOW);
conversation.addMessage(message); conversation.addMessage(message);
Intent intent = Broadcast.createConversationIntent( Intent intent = Broadcast.createConversationIntent(
Broadcast.CONVERSATION_MESSAGE, Broadcast.CONVERSATION_MESSAGE,
server.getId(), server.getId(),
conversation.getName() conversation.getName()
); );
service.sendBroadcast(intent); 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 @Override
public String getUsage() public String getUsage()