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11 * http://www.apache.org/licenses/LICENSE-2.0
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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
ProviderCache(const Reference<XComponentContext> & xContext,const Sequence<Any> & scriptContext)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
ProviderCache(const Reference<XComponentContext> & xContext,const Sequence<Any> & scriptContext,const Sequence<::rtl::OUString> & blackList)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
~ProviderCache()65 ProviderCache::~ProviderCache()
66 {
67 }
68
69 Reference< provider::XScriptProvider >
getProvider(const::rtl::OUString & providerName)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 > >
getAllProviders()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
populateCache()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 >
createProvider(ProviderDetails & details)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