1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_scripting.hxx" 26 #include <cppuhelper/implementationentry.hxx> 27 #include <cppuhelper/factory.hxx> 28 #include <tools/diagnose_ex.h> 29 30 #include <util/scriptingconstants.hxx> 31 #include <util/util.hxx> 32 33 #include <com/sun/star/container/XContentEnumerationAccess.hpp> 34 #include "ProviderCache.hxx" 35 36 using namespace com::sun::star; 37 using namespace com::sun::star::uno; 38 using namespace com::sun::star::script; 39 40 namespace func_provider 41 { 42 43 ProviderCache::ProviderCache( const Reference< XComponentContext >& xContext, const Sequence< Any >& scriptContext ) : m_Sctx( scriptContext ), m_xContext( xContext ) 44 { 45 // initialise m_hProviderDetailsCache with details of ScriptProviders 46 // will use createContentEnumeration 47 48 m_xMgr = m_xContext->getServiceManager(); 49 ENSURE_OR_THROW( m_xMgr.is(), "ProviderCache::ProviderCache() failed to obtain ServiceManager" ); 50 populateCache(); 51 } 52 53 54 ProviderCache::ProviderCache( const Reference< XComponentContext >& xContext, const Sequence< Any >& scriptContext, const Sequence< ::rtl::OUString >& blackList ) : m_sBlackList( blackList ), m_Sctx( scriptContext ), m_xContext( xContext ) 55 56 { 57 // initialise m_hProviderDetailsCache with details of ScriptProviders 58 // will use createContentEnumeration 59 60 m_xMgr = m_xContext->getServiceManager(); 61 ENSURE_OR_THROW( m_xMgr.is(), "ProviderCache::ProviderCache() failed to obtain ServiceManager" ); 62 populateCache(); 63 } 64 65 ProviderCache::~ProviderCache() 66 { 67 } 68 69 Reference< provider::XScriptProvider > 70 ProviderCache::getProvider( const ::rtl::OUString& providerName ) 71 { 72 ::osl::Guard< osl::Mutex > aGuard( m_mutex ); 73 Reference< provider::XScriptProvider > provider; 74 ProviderDetails_hash::iterator h_it = m_hProviderDetailsCache.find( providerName ); 75 if ( h_it != m_hProviderDetailsCache.end() ) 76 { 77 if ( h_it->second.provider.is() ) 78 { 79 provider = h_it->second.provider; 80 } 81 else 82 { 83 // need to create provider and insert into hash 84 provider = createProvider( h_it->second ); 85 } 86 } 87 return provider; 88 } 89 90 Sequence < Reference< provider::XScriptProvider > > 91 ProviderCache::getAllProviders() 92 { 93 Sequence < Reference< provider::XScriptProvider > > providers ( m_hProviderDetailsCache.size() ); 94 // need to create providers that haven't been created already 95 // so check what providers exist and what ones don't 96 97 ::osl::Guard< osl::Mutex > aGuard( m_mutex ); 98 ProviderDetails_hash::iterator h_itEnd = m_hProviderDetailsCache.end(); 99 ProviderDetails_hash::iterator h_it = m_hProviderDetailsCache.begin(); 100 // should assert if size !> 0 101 if ( m_hProviderDetailsCache.size() ) 102 { 103 sal_Int32 providerIndex = 0; 104 sal_Int32 index = 0; 105 for ( index = 0; h_it != h_itEnd; ++h_it, index++ ) 106 { 107 Reference< provider::XScriptProvider > xScriptProvider = h_it->second.provider; 108 if ( xScriptProvider.is() ) 109 { 110 providers[ providerIndex++ ] = xScriptProvider; 111 } 112 else 113 { 114 // create provider 115 try 116 { 117 xScriptProvider = createProvider( h_it->second ); 118 providers[ providerIndex++ ] = xScriptProvider; 119 } 120 catch ( Exception& e ) 121 { 122 ::rtl::OUString temp = OUSTR( "ProviderCache::getAllProviders: failed to create provider, " ); 123 temp.concat( e.Message ); 124 //throw RuntimeException( temp.concat( e.Message ), 125 // Reference< XInterface >() ); 126 } 127 } 128 } 129 130 if ( providerIndex < index ) 131 { 132 providers.realloc( providerIndex ); 133 } 134 135 } 136 else 137 { 138 OSL_TRACE("no available providers, something very wrong!!!"); 139 } 140 return providers; 141 } 142 143 void 144 ProviderCache::populateCache() 145 { 146 // wrong name in services.rdb 147 ::rtl::OUString serviceName; 148 ::osl::Guard< osl::Mutex > aGuard( m_mutex ); 149 try 150 { 151 ::rtl::OUString languageProviderName( RTL_CONSTASCII_USTRINGPARAM( 152 "com.sun.star.script.provider.LanguageScriptProvider" ) ); 153 154 Reference< container::XContentEnumerationAccess > xEnumAccess = Reference< container::XContentEnumerationAccess >( m_xMgr, UNO_QUERY_THROW ); 155 Reference< container::XEnumeration > xEnum = xEnumAccess->createContentEnumeration ( languageProviderName ); 156 157 while ( xEnum->hasMoreElements() ) 158 { 159 160 Reference< lang::XSingleComponentFactory > factory( xEnum->nextElement(), UNO_QUERY_THROW ); 161 Reference< lang::XServiceInfo > xServiceInfo( factory, UNO_QUERY_THROW ); 162 163 Sequence< ::rtl::OUString > serviceNames = xServiceInfo->getSupportedServiceNames(); 164 165 if ( serviceNames.getLength() > 0 ) 166 { 167 ::rtl::OUString searchString( RTL_CONSTASCII_USTRINGPARAM ( 168 "com.sun.star.script.provider.ScriptProviderFor" ) ); 169 170 for ( sal_Int32 index = 0; index < serviceNames.getLength(); index++ ) 171 { 172 if ( serviceNames[ index ].indexOf( searchString ) == 0 && !isInBlackList( serviceNames[ index ] ) ) 173 { 174 serviceName = serviceNames[ index ]; 175 ProviderDetails details; 176 details.factory = factory; 177 m_hProviderDetailsCache[ serviceName ] = details; 178 break; 179 } 180 } 181 } 182 } 183 } 184 catch ( Exception e ) 185 { 186 ::rtl::OUString temp = OUSTR( 187 "ProviderCache::populateCache: couldn't obtain XSingleComponentFactory for " ); 188 temp.concat( serviceName ); 189 throw RuntimeException( temp.concat( e.Message ), Reference< XInterface >() ); 190 } 191 } 192 193 Reference< provider::XScriptProvider > 194 ProviderCache::createProvider( ProviderDetails& details ) 195 { 196 try 197 { 198 details.provider.set( 199 details.factory->createInstanceWithArgumentsAndContext( m_Sctx, m_xContext ), UNO_QUERY_THROW ); 200 } 201 catch ( Exception& e ) 202 { 203 ::rtl::OUString temp = ::rtl::OUString::createFromAscii("ProviderCache::createProvider() Error creating provider from factory!!!"); 204 throw RuntimeException( temp.concat( e.Message ), Reference< XInterface >() ); 205 } 206 207 return details.provider; 208 } 209 } //end namespace 210