2 * Copyright 2001-2006 Internet2
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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8 * http://www.apache.org/licenses/LICENSE-2.0
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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18 * @file XMLToolingConfig.h
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20 * Library configuration
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23 #ifndef __xmltooling_config_h__
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24 #define __xmltooling_config_h__
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26 #include <xmltooling/Lockable.h>
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27 #include <xmltooling/PluginManager.h>
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28 #include <xmltooling/util/ParserPool.h>
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30 #ifndef XMLTOOLING_NO_XMLSEC
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31 namespace xmlsignature {
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32 class XMLTOOL_API CredentialResolver;
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33 class XMLTOOL_API KeyResolver;
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37 #if defined (_MSC_VER)
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38 #pragma warning( push )
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39 #pragma warning( disable : 4251 )
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42 namespace xmltooling {
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44 class XMLTOOL_API TrustEngine;
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47 * Singleton object that manages library startup/shutdown.configuration.
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49 * A locking interface is supplied as a convenience for code that wants to
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50 * obtain a global system lock, but the actual configuration itself is not
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53 class XMLTOOL_API XMLToolingConfig : public Lockable
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55 MAKE_NONCOPYABLE(XMLToolingConfig);
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57 virtual ~XMLToolingConfig() {}
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60 * Returns the global configuration object for the library.
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62 * @return reference to the global library configuration object
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64 static XMLToolingConfig& getConfig();
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67 * Initializes library
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69 * Each process using the library MUST call this function exactly once
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70 * before using any library classes except for the LogConfig method.
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72 * @return true iff initialization was successful
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74 virtual bool init()=0;
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77 * Shuts down library
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79 * Each process using the library SHOULD call this function exactly once
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80 * before terminating itself
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82 virtual void term()=0;
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85 * Loads a shared/dynamic library extension.
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87 * Extension libraries are managed using a pair of "C" linkage functions:<br>
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88 * extern "C" int xmltooling_extension_init(void* context);<br>
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89 * extern "C" void xmltooling_extension_term();
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91 * This method is internally synchronized.
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93 * @param path pathname of shared library to load into process
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94 * @param context arbitrary data to pass to library initialization hook
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95 * @return true iff library was loaded successfully
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97 virtual bool load_library(const char* path, void* context=NULL)=0;
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100 * Configure logging system.
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102 * May be called first, before initializing the library. Other calls to it
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103 * must be externally synchronized.
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105 * @param config either a logging configuration file, or a level from the set
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106 * (DEBUG, INFO, NOTICE, WARN, ERROR, CRIT, ALERT, FATAL, EMERG)
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107 * @return true iff configuration was successful
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109 virtual bool log_config(const char* config=NULL)=0;
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112 * Obtains a non-validating parser pool.
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113 * Library must be initialized first.
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115 * @return reference to a non-validating parser pool.
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117 virtual ParserPool& getParser() const=0;
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120 * Obtains a validating parser pool.
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121 * Library must be initialized first. Schema/catalog registration must be
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122 * externally synchronized.
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124 * @return reference to a validating parser pool.
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126 virtual ParserPool& getValidatingParser() const=0;
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128 #ifndef XMLTOOLING_NO_XMLSEC
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130 * Manages factories for KeyResolver plugins.
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132 xmltooling::PluginManager<xmlsignature::KeyResolver,const DOMElement*> KeyResolverManager;
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135 * Manages factories for CredentialResolver plugins.
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137 xmltooling::PluginManager<xmlsignature::CredentialResolver,const DOMElement*> CredentialResolverManager;
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140 * Manages factories for TrustEngine plugins.
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142 xmltooling::PluginManager<TrustEngine,const DOMElement*> TrustEngineManager;
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146 XMLToolingConfig() {}
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151 #if defined (_MSC_VER)
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152 #pragma warning( pop )
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155 #endif /* __xmltooling_config_h__ */
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