| /* |
| * 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 _DECAF_INTERNAL_SECURITY_ENGINE_H_ |
| #define _DECAF_INTERNAL_SECURITY_ENGINE_H_ |
| |
| #include <decaf/util/Config.h> |
| |
| #include <string> |
| |
| namespace decaf { |
| namespace security { |
| class Provider; |
| class SecuritySpi; |
| } |
| namespace internal { |
| namespace security { |
| |
| /** |
| * The Engine class serves as a convenience class for classes in the |
| * Decaf Security package. An engine can be created for a given service |
| * type, "MessageDigest" for instance and reused to create different |
| * algorithms for that type. The Engine class takes care of the details |
| * of looking up a ProviderService in the Security Runtime, using correct |
| * locking and exception handling so that the higher level classes don't |
| * need to implement that logic over again. |
| */ |
| class DECAF_API Engine { |
| private: |
| |
| std::string serviceName; |
| const decaf::security::Provider* provider; |
| |
| private: |
| |
| Engine(const Engine&); |
| Engine operator= (const Engine&); |
| |
| public: |
| |
| Engine(const std::string& serviceName); |
| |
| virtual ~Engine(); |
| |
| /** |
| * Returns the name of the service type that this Engine will be a |
| * builder of SecuritySpi instances for. |
| * |
| * @return the service class name of this engine, e.g. MessageDigest. |
| */ |
| std::string getServiceName() const { |
| return this->serviceName; |
| } |
| |
| /** |
| * Returns the Provider associated with this Engine. |
| * |
| * The pointer returned by this method remains the property of the Security framework |
| * and should be deleted by the calling application at any time. |
| * |
| * @return the provider associated with this MessageDigest. |
| */ |
| const decaf::security::Provider* getProvider() const { |
| return this->provider; |
| } |
| |
| /** |
| * Return a new instance of the SercuritySpi implementation that is named by |
| * this engine's serviceName and the passed algorithmName. |
| * |
| * @return a new instance of the SecuritySpi provided by serviceName.algorithmName |
| */ |
| decaf::security::SecuritySpi* newInstance(const std::string& algorithmName); |
| |
| }; |
| |
| }}} |
| |
| #endif /* _DECAF_INTERNAL_SECURITY_ENGINE_H_ */ |