00001 /* 00002 * UnknownHostError.h 00003 * 00004 * Smalltalk like class library for C++ 00005 * Cannot resolve host name (kind of DNS error). Header. 00006 * 00007 * Copyright (c) 2004 Milan Cermak 00008 */ 00009 /* 00010 * This library is free software; you can redistribute it and/or 00011 * modify it under the terms of the GNU Lesser General Public 00012 * License as published by the Free Software Foundation; either 00013 * version 2.1 of the License, or (at your option) any later version. 00014 * 00015 * This library is distributed in the hope that it will be useful, 00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00018 * Lesser General Public License for more details. 00019 * 00020 * You should have received a copy of the GNU Lesser General Public 00021 * License along with this library; if not, write to the Free Software 00022 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00023 */ 00024 #ifndef __UNKNOWNHOSTERROR_H 00025 #define __UNKNOWNHOSTERROR_H 00026 00027 #include <stlib/net/NetworkError.h> 00028 #include <stlib/String.h> 00029 00030 namespace Net { 00031 00032 class UnknownHostError : public NetworkError 00033 { 00034 public: 00035 UnknownHostError(String *name, const char *selector = NULL) 00036 : NetworkError(nil, selector, name) 00037 { 00038 messageText = &dynamic_cast<String &>((*new String("Unknown host ")) + *name); 00039 } 00040 00041 virtual String *className() 00042 { 00043 return new String("UnknownHostError"); 00044 } 00045 00046 virtual String *notifierString() 00047 { 00048 return new String("DNS lookup failed or unknown host."); 00049 } 00050 00051 protected: 00052 /* Private protocol */ 00053 virtual void privRaise(void) 00054 { throw this; } 00055 }; 00056 00057 }; 00058 00059 #endif /* __UNKNOWNHOSTERROR_H */