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Diffstat (limited to 'lib/cpp/src/protocol/TProtocolException.h')
-rw-r--r-- | lib/cpp/src/protocol/TProtocolException.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/lib/cpp/src/protocol/TProtocolException.h b/lib/cpp/src/protocol/TProtocolException.h new file mode 100644 index 000000000..33011b379 --- /dev/null +++ b/lib/cpp/src/protocol/TProtocolException.h @@ -0,0 +1,104 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +#ifndef _THRIFT_PROTOCOL_TPROTOCOLEXCEPTION_H_ +#define _THRIFT_PROTOCOL_TPROTOCOLEXCEPTION_H_ 1 + +#include <string> + +namespace apache { namespace thrift { namespace protocol { + +/** + * Class to encapsulate all the possible types of protocol errors that may + * occur in various protocol systems. This provides a sort of generic + * wrapper around the shitty UNIX E_ error codes that lets a common code + * base of error handling to be used for various types of protocols, i.e. + * pipes etc. + * + */ +class TProtocolException : public apache::thrift::TException { + public: + + /** + * Error codes for the various types of exceptions. + */ + enum TProtocolExceptionType + { UNKNOWN = 0 + , INVALID_DATA = 1 + , NEGATIVE_SIZE = 2 + , SIZE_LIMIT = 3 + , BAD_VERSION = 4 + , NOT_IMPLEMENTED = 5 + }; + + TProtocolException() : + apache::thrift::TException(), + type_(UNKNOWN) {} + + TProtocolException(TProtocolExceptionType type) : + apache::thrift::TException(), + type_(type) {} + + TProtocolException(const std::string& message) : + apache::thrift::TException(message), + type_(UNKNOWN) {} + + TProtocolException(TProtocolExceptionType type, const std::string& message) : + apache::thrift::TException(message), + type_(type) {} + + virtual ~TProtocolException() throw() {} + + /** + * Returns an error code that provides information about the type of error + * that has occurred. + * + * @return Error code + */ + TProtocolExceptionType getType() { + return type_; + } + + virtual const char* what() const throw() { + if (message_.empty()) { + switch (type_) { + case UNKNOWN : return "TProtocolException: Unknown protocol exception"; + case INVALID_DATA : return "TProtocolException: Invalid data"; + case NEGATIVE_SIZE : return "TProtocolException: Negative size"; + case SIZE_LIMIT : return "TProtocolException: Exceeded size limit"; + case BAD_VERSION : return "TProtocolException: Invalid version"; + case NOT_IMPLEMENTED : return "TProtocolException: Not implemented"; + default : return "TProtocolException: (Invalid exception type)"; + } + } else { + return message_.c_str(); + } + } + + protected: + /** + * Error code + */ + TProtocolExceptionType type_; + +}; + +}}} // apache::thrift::protocol + +#endif // #ifndef _THRIFT_PROTOCOL_TPROTOCOLEXCEPTION_H_ |