/home/aconway/svn/qpid/cpp/src/qpid/ExceptionHolder.h

00001 #ifndef _qpid_ExceptionHolder_h
00002 #define _qpid_ExceptionHolder_h
00003 
00004 /*
00005  *
00006  * Copyright (c) 2006 The Apache Software Foundation
00007  *
00008  * Licensed under the Apache License, Version 2.0 (the "License");
00009  * you may not use this file except in compliance with the License.
00010  * You may obtain a copy of the License at
00011  *
00012  *    http://www.apache.org/licenses/LICENSE-2.0
00013  *
00014  * Unless required by applicable law or agreed to in writing, software
00015  * distributed under the License is distributed on an "AS IS" BASIS,
00016  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00017  * See the License for the specific language governing permissions and
00018  * limitations under the License.
00019  *
00020  */
00021 
00022 #include <assert.h>
00023 #include "Exception.h"
00024 #include <boost/shared_ptr.hpp>
00025 
00026 namespace qpid {
00027 
00028 // FIXME aconway 2007-02-20:  Not necessary, a simple
00029 // Exception::shared_ptr will do the job. Remove
00030 // 
00042 class ExceptionHolder : public Exception, public boost::shared_ptr<Exception>
00043 {
00044   public:
00045     typedef boost::shared_ptr<Exception> shared_ptr;
00046 
00047     ExceptionHolder() throw() {}
00048     ExceptionHolder(Exception* p) throw() : shared_ptr(p) {}
00049     ExceptionHolder(shared_ptr p) throw() : shared_ptr(p) {}
00050 
00051     ExceptionHolder(const Exception& e) throw() : shared_ptr(e.clone()) {}
00052     ExceptionHolder(const std::exception& e);
00053 
00054     ~ExceptionHolder() throw() {}
00055 
00056     const char* what() const throw() { return get()->what(); }
00057     std::string toString() const throw() { return get()->toString(); }
00058     Exception* clone() const throw() { return get()->clone(); }
00059     void throwIf() const { if (get()) get()->throwSelf(); }
00060     void throwSelf() const { assert(get()); get()->throwSelf(); }
00061 };
00062 
00063 } // namespace qpid
00064 
00065 
00066 
00067 #endif  

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