Check conversation type on handler execution where needed

src/org/yaaic/command/handler/DeopHandler.java

@@ -39,6 +39,10 @@ public class DeopHandler extends BaseHandler
 	@Override
 	public void execute(String[] params, Server server, Conversation conversation, IRCService service) throws CommandException 
 	{
+		if (conversation.getType() != Conversation.TYPE_CHANNEL) {
+			throw new CommandException("Only usable from within a channel");
+		}
+		
 		if (params.length == 2) {
 			service.getConnection(server.getId()).deOp(conversation.getName(), params[1]);
 		} else {

src/org/yaaic/command/handler/DevoiceHandler.java

@@ -39,6 +39,10 @@ public class DevoiceHandler extends BaseHandler
 	@Override
 	public void execute(String[] params, Server server, Conversation conversation, IRCService service) throws CommandException 
 	{
+		if (conversation.getType() != Conversation.TYPE_CHANNEL) {
+			throw new CommandException("Only usable from within a channel");
+		}
+		
 		if (params.length == 2) {
 			service.getConnection(server.getId()).deVoice(conversation.getName(), params[1]);
 		} else {

src/org/yaaic/command/handler/KickHandler.java

@@ -41,6 +41,10 @@ public class KickHandler extends BaseHandler
 	@Override
 	public void execute(String[] params, Server server, Conversation conversation, IRCService service) throws CommandException 
 	{
+		if (conversation.getType() != Conversation.TYPE_CHANNEL) {
+			throw new CommandException("Only usable from within a channel");
+		}
+		
 		if (params.length == 2) {
 			service.getConnection(server.getId()).kick(conversation.getName(), params[1]);
 		} else {

src/org/yaaic/command/handler/MeHandler.java

@@ -44,6 +44,10 @@ public class MeHandler extends BaseHandler
 	@Override
 	public void execute(String[] params, Server server, Conversation conversation, IRCService service) throws CommandException 
 	{
+		if (conversation.getType() == Conversation.TYPE_SERVER) {
+			throw new CommandException("Only usable from within a channel or a query");
+		}
+		
 		if (params.length > 1) {
 			String action = BaseHandler.mergeParams(params);
 			String nickname = service.getConnection(server.getId()).getNick();

src/org/yaaic/command/handler/NamesHandler.java

@@ -45,6 +45,10 @@ public class NamesHandler extends BaseHandler
 	@Override
 	public void execute(String[] params, Server server, Conversation conversation, IRCService service) throws CommandException 
 	{
+		if (conversation.getType() != Conversation.TYPE_CHANNEL) {
+			throw new CommandException("Only usable from within a channel");
+		}
+		
 		StringBuffer userList = new StringBuffer("Users " + conversation.getName() + ":");
 		for (User user : service.getConnection(server.getId()).getUsers(conversation.getName())) {
 			userList.append(" ");

src/org/yaaic/command/handler/OpHandler.java

@@ -39,6 +39,10 @@ public class OpHandler extends BaseHandler
 	@Override
 	public void execute(String[] params, Server server, Conversation conversation, IRCService service) throws CommandException 
 	{
+		if (conversation.getType() != Conversation.TYPE_CHANNEL) {
+			throw new CommandException("Only usable from within a channel");
+		}
+		
 		if (params.length == 2) {
 			service.getConnection(server.getId()).op(conversation.getName(), params[1]);
 		} else {

src/org/yaaic/command/handler/VoiceHandler.java

@@ -39,6 +39,10 @@ public class VoiceHandler extends BaseHandler
 	@Override
 	public void execute(String[] params, Server server, Conversation conversation, IRCService service) throws CommandException 
 	{
+		if (conversation.getType() != Conversation.TYPE_CHANNEL) {
+			throw new CommandException("Only usable from within a channel");
+		}
+		
 		if (params.length == 2) {
 			service.getConnection(server.getId()).voice(conversation.getName(), params[1]);
 		} else {