1 /* 2 * Copyright (c) 2015, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation and/or 13 * other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 #pragma once 31 32 #include <parameter_export.h> 33 34 #include "ElementBuilder.h" 35 #include <log/Logger.h> 36 37 namespace details 38 { 39 /** Part of the implementation of `TLoggingElementBuilderTemplate` 40 * that does not need to be template. 41 * 42 * If this was implemented in this header, the xmlElement implementation 43 * would leak to sources including this header. 44 * 45 * Plugins are including this header. As a result they would include 46 * the xmlElement implementation if it was not hidden in a cpp. 47 * 48 * FIXME: The xml concept (forward declared) is still leaked to the plugin. 49 * A solution would be have two level of builders: 50 * - a PluginBuilder that wraps the plugin 51 * - and an ElementBuilder that wraps the PluginBuilder 52 * This way the plugin can only see the PluginBuilder and is not 53 * contaminated by any core specific concept. 54 * 55 * @param[in] xmlElement the XML element 56 * @return the "Name" attribute value of an xml element or 57 * empty string if attribute is not present 58 * 59 */ 60 std::string PARAMETER_EXPORT getName(const CXmlElement &xmlElement); 61 } 62 63 /** 64 * Builder for elements which need logger at construction 65 * 66 * @tparam ElementType the type of the element to build 67 */ 68 template <class ElementType> 69 class TLoggingElementBuilderTemplate : public CElementBuilder 70 { 71 public: 72 /** 73 * Class Constructor 74 * 75 * @param[in] logger the logger provided by the client 76 */ TLoggingElementBuilderTemplate(core::log::Logger & logger)77 TLoggingElementBuilderTemplate(core::log::Logger &logger) : CElementBuilder(), mLogger(logger) 78 { 79 } 80 81 /** 82 * Create a new element 83 * 84 * @param[in] xmlElement the description of the object to create 85 * 86 * @return pointer to the generated element 87 */ createElement(const CXmlElement & xmlElement)88 virtual CElement *createElement(const CXmlElement &xmlElement) const 89 { 90 return new ElementType(details::getName(xmlElement), mLogger); 91 } 92 93 private: 94 /** Application Logger */ 95 core::log::Logger &mLogger; 96 }; 97