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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "resultcolumn.hxx"
21 : #include <com/sun/star/lang/DisposedException.hpp>
22 : #include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
23 : #include <com/sun/star/sdbc/DataType.hpp>
24 : #include <com/sun/star/sdbc/ColumnValue.hpp>
25 : #include <cppuhelper/typeprovider.hxx>
26 : #include <tools/debug.hxx>
27 : #include <tools/diagnose_ex.h>
28 : #include "dbastrings.hrc"
29 : #include "apitools.hxx"
30 : #include <com/sun/star/beans/PropertyAttribute.hpp>
31 : #include <cppuhelper/exc_hlp.hxx>
32 : #include <osl/thread.h>
33 :
34 : using namespace ::com::sun::star::sdbc;
35 : using namespace ::com::sun::star::beans;
36 : using namespace ::com::sun::star::uno;
37 : using namespace ::com::sun::star::lang;
38 : using namespace ::com::sun::star::container;
39 : using namespace ::osl;
40 : using namespace ::comphelper;
41 : using namespace ::cppu;
42 : using namespace dbaccess;
43 :
44 :
45 0 : OResultColumn::OResultColumn( const Reference < XResultSetMetaData >& _xMetaData, sal_Int32 _nPos,
46 : const Reference< XDatabaseMetaData >& _rxDBMeta )
47 : :OColumn( true )
48 : ,m_xMetaData( _xMetaData )
49 : ,m_xDBMetaData( _rxDBMeta )
50 0 : ,m_nPos( _nPos )
51 : {
52 0 : }
53 :
54 0 : void OResultColumn::impl_determineIsRowVersion_nothrow()
55 : {
56 0 : if ( m_aIsRowVersion.hasValue() )
57 0 : return;
58 0 : m_aIsRowVersion <<= (sal_Bool)(sal_False);
59 :
60 : OSL_ENSURE( m_xDBMetaData.is(), "OResultColumn::impl_determineIsRowVersion_nothrow: no DBMetaData!" );
61 0 : if ( !m_xDBMetaData.is() )
62 0 : return;
63 :
64 : try
65 : {
66 0 : OUString sCatalog, sSchema, sTable, sColumnName;
67 0 : getPropertyValue( PROPERTY_CATALOGNAME ) >>= sCatalog;
68 0 : getPropertyValue( PROPERTY_SCHEMANAME ) >>= sSchema;
69 0 : getPropertyValue( PROPERTY_TABLENAME ) >>= sTable;
70 0 : getPropertyValue( PROPERTY_NAME ) >>= sColumnName;
71 :
72 : try
73 : {
74 0 : Reference< XResultSet > xVersionColumns = m_xDBMetaData->getVersionColumns(
75 0 : makeAny( sCatalog ), sSchema, sTable );
76 0 : if ( xVersionColumns.is() ) // allowed to be NULL
77 : {
78 0 : Reference< XRow > xResultRow( xVersionColumns, UNO_QUERY_THROW );
79 0 : while ( xVersionColumns->next() )
80 : {
81 0 : if ( xResultRow->getString( 2 ) == sColumnName )
82 : {
83 0 : m_aIsRowVersion <<= (sal_Bool)(sal_True);
84 0 : break;
85 : }
86 0 : }
87 0 : }
88 : }
89 0 : catch(const SQLException&)
90 : {
91 0 : }
92 : }
93 0 : catch( const Exception& )
94 : {
95 : DBG_UNHANDLED_EXCEPTION();
96 : }
97 : }
98 :
99 0 : OResultColumn::~OResultColumn()
100 : {
101 0 : }
102 :
103 : // com::sun::star::lang::XTypeProvider
104 0 : Sequence< sal_Int8 > OResultColumn::getImplementationId() throw (RuntimeException, std::exception)
105 : {
106 0 : return css::uno::Sequence<sal_Int8>();
107 : }
108 :
109 : // XServiceInfo
110 0 : OUString OResultColumn::getImplementationName( ) throw(RuntimeException, std::exception)
111 : {
112 0 : return OUString("com.sun.star.sdb.OResultColumn");
113 : }
114 :
115 0 : Sequence< OUString > OResultColumn::getSupportedServiceNames( ) throw (RuntimeException, std::exception)
116 : {
117 0 : Sequence< OUString > aSNS( 2 );
118 0 : aSNS[0] = SERVICE_SDBCX_COLUMN;
119 0 : aSNS[1] = SERVICE_SDB_RESULTCOLUMN;
120 0 : return aSNS;
121 : }
122 :
123 : // OComponentHelper
124 0 : void OResultColumn::disposing()
125 : {
126 0 : OColumn::disposing();
127 :
128 0 : MutexGuard aGuard(m_aMutex);
129 0 : m_xMetaData = NULL;
130 0 : }
131 :
132 : // comphelper::OPropertyArrayUsageHelper
133 0 : ::cppu::IPropertyArrayHelper* OResultColumn::createArrayHelper( ) const
134 : {
135 0 : BEGIN_PROPERTY_HELPER(21)
136 0 : DECL_PROP1(CATALOGNAME, OUString, READONLY);
137 0 : DECL_PROP1(DISPLAYSIZE, sal_Int32, READONLY);
138 0 : DECL_PROP1_BOOL(ISAUTOINCREMENT, READONLY);
139 0 : DECL_PROP1_BOOL(ISCASESENSITIVE, READONLY);
140 0 : DECL_PROP1_BOOL(ISCURRENCY, READONLY);
141 0 : DECL_PROP1_BOOL(ISDEFINITELYWRITABLE, READONLY);
142 0 : DECL_PROP1(ISNULLABLE, sal_Int32, READONLY);
143 0 : DECL_PROP1_BOOL(ISREADONLY, READONLY);
144 0 : DECL_PROP1_BOOL(ISROWVERSION, READONLY);
145 0 : DECL_PROP1_BOOL(ISSEARCHABLE, READONLY);
146 0 : DECL_PROP1_BOOL(ISSIGNED, READONLY);
147 0 : DECL_PROP1_BOOL(ISWRITABLE, READONLY);
148 0 : DECL_PROP1(LABEL, OUString, READONLY);
149 0 : DECL_PROP1(NAME, OUString, READONLY);
150 0 : DECL_PROP1(PRECISION, sal_Int32, READONLY);
151 0 : DECL_PROP1(SCALE, sal_Int32, READONLY);
152 0 : DECL_PROP1(SCHEMANAME, OUString, READONLY);
153 0 : DECL_PROP1(SERVICENAME, OUString, READONLY);
154 0 : DECL_PROP1(TABLENAME, OUString, READONLY);
155 0 : DECL_PROP1(TYPE, sal_Int32, READONLY);
156 0 : DECL_PROP1(TYPENAME, OUString, READONLY);
157 0 : END_PROPERTY_HELPER();
158 : }
159 :
160 : // cppu::OPropertySetHelper
161 0 : ::cppu::IPropertyArrayHelper& OResultColumn::getInfoHelper()
162 : {
163 0 : return *static_cast< ::comphelper::OPropertyArrayUsageHelper< OResultColumn >* >(this)->getArrayHelper();
164 : }
165 :
166 : namespace
167 : {
168 : template< typename TYPE >
169 0 : void obtain( Any& _out_rValue, ::boost::optional< TYPE > _rCache, const sal_Int32 _nPos, const Reference < XResultSetMetaData >& _rxResultMeta, TYPE (SAL_CALL XResultSetMetaData::*Getter)( sal_Int32 ) )
170 : {
171 0 : if ( !_rCache )
172 0 : _rCache.reset( (_rxResultMeta.get()->*Getter)( _nPos ) );
173 0 : _out_rValue <<= *_rCache;
174 0 : }
175 : }
176 :
177 0 : void OResultColumn::getFastPropertyValue( Any& rValue, sal_Int32 nHandle ) const
178 : {
179 : try
180 : {
181 0 : if ( OColumn::isRegisteredProperty( nHandle ) )
182 : {
183 0 : OColumn::getFastPropertyValue( rValue, nHandle );
184 : }
185 : else
186 : {
187 0 : switch (nHandle)
188 : {
189 : case PROPERTY_ID_ISROWVERSION:
190 0 : const_cast< OResultColumn* >( this )->impl_determineIsRowVersion_nothrow();
191 0 : rValue = m_aIsRowVersion;
192 0 : break;
193 : case PROPERTY_ID_TABLENAME:
194 0 : rValue <<= m_xMetaData->getTableName(m_nPos);
195 0 : break;
196 : case PROPERTY_ID_SCHEMANAME:
197 0 : rValue <<= m_xMetaData->getSchemaName(m_nPos);
198 0 : break;
199 : case PROPERTY_ID_CATALOGNAME:
200 0 : rValue <<= m_xMetaData->getCatalogName(m_nPos);
201 0 : break;
202 : case PROPERTY_ID_ISSIGNED:
203 0 : obtain( rValue, m_isSigned, m_nPos, m_xMetaData, &XResultSetMetaData::isSigned );
204 0 : break;
205 : case PROPERTY_ID_ISCURRENCY:
206 0 : obtain( rValue, m_isCurrency, m_nPos, m_xMetaData, &XResultSetMetaData::isCurrency );
207 0 : break;
208 : case PROPERTY_ID_ISSEARCHABLE:
209 0 : obtain( rValue, m_bSearchable, m_nPos, m_xMetaData, &XResultSetMetaData::isSearchable );
210 0 : break;
211 : case PROPERTY_ID_ISCASESENSITIVE:
212 0 : obtain( rValue, m_isCaseSensitive, m_nPos, m_xMetaData, &XResultSetMetaData::isCaseSensitive );
213 0 : break;
214 : case PROPERTY_ID_ISREADONLY:
215 0 : obtain( rValue, m_isReadOnly, m_nPos, m_xMetaData, &XResultSetMetaData::isReadOnly );
216 0 : break;
217 : case PROPERTY_ID_ISWRITABLE:
218 0 : obtain( rValue, m_isWritable, m_nPos, m_xMetaData, &XResultSetMetaData::isWritable );
219 0 : break;
220 : case PROPERTY_ID_ISDEFINITELYWRITABLE:
221 0 : obtain( rValue, m_isDefinitelyWritable, m_nPos, m_xMetaData, &XResultSetMetaData::isDefinitelyWritable );
222 0 : break;
223 : case PROPERTY_ID_ISAUTOINCREMENT:
224 0 : obtain( rValue, m_isAutoIncrement, m_nPos, m_xMetaData, &XResultSetMetaData::isAutoIncrement );
225 0 : break;
226 : case PROPERTY_ID_SERVICENAME:
227 0 : rValue <<= m_xMetaData->getColumnServiceName(m_nPos);
228 0 : break;
229 : case PROPERTY_ID_LABEL:
230 0 : obtain( rValue, m_sColumnLabel, m_nPos, m_xMetaData, &XResultSetMetaData::getColumnLabel );
231 0 : break;
232 : case PROPERTY_ID_DISPLAYSIZE:
233 0 : obtain( rValue, m_nColumnDisplaySize, m_nPos, m_xMetaData, &XResultSetMetaData::getColumnDisplaySize );
234 0 : break;
235 : case PROPERTY_ID_TYPE:
236 0 : obtain( rValue, m_nColumnType, m_nPos, m_xMetaData, &XResultSetMetaData::getColumnType );
237 0 : break;
238 : case PROPERTY_ID_PRECISION:
239 0 : obtain( rValue, m_nPrecision, m_nPos, m_xMetaData, &XResultSetMetaData::getPrecision );
240 0 : break;
241 : case PROPERTY_ID_SCALE:
242 0 : obtain( rValue, m_nScale, m_nPos, m_xMetaData, &XResultSetMetaData::getScale );
243 0 : break;
244 : case PROPERTY_ID_ISNULLABLE:
245 0 : obtain( rValue, m_isNullable, m_nPos, m_xMetaData, &XResultSetMetaData::isNullable );
246 0 : break;
247 : case PROPERTY_ID_TYPENAME:
248 0 : rValue <<= m_xMetaData->getColumnTypeName(m_nPos);
249 0 : break;
250 : default:
251 : OSL_FAIL( "OResultColumn::getFastPropertyValue: unknown property handle!" );
252 0 : break;
253 : }
254 : }
255 : }
256 0 : catch (SQLException& )
257 : {
258 : // default handling if we caught an exception
259 0 : switch (nHandle)
260 : {
261 : case PROPERTY_ID_LABEL:
262 : case PROPERTY_ID_TYPENAME:
263 : case PROPERTY_ID_SERVICENAME:
264 : case PROPERTY_ID_TABLENAME:
265 : case PROPERTY_ID_SCHEMANAME:
266 : case PROPERTY_ID_CATALOGNAME:
267 : // empty string'S
268 0 : rValue <<= OUString();
269 0 : break;
270 : case PROPERTY_ID_ISROWVERSION:
271 : case PROPERTY_ID_ISAUTOINCREMENT:
272 : case PROPERTY_ID_ISWRITABLE:
273 : case PROPERTY_ID_ISDEFINITELYWRITABLE:
274 : case PROPERTY_ID_ISCASESENSITIVE:
275 : case PROPERTY_ID_ISSEARCHABLE:
276 : case PROPERTY_ID_ISCURRENCY:
277 : case PROPERTY_ID_ISSIGNED:
278 : {
279 0 : sal_Bool bVal = sal_False;
280 0 : rValue.setValue(&bVal, getBooleanCppuType());
281 0 : } break;
282 : case PROPERTY_ID_ISREADONLY:
283 : {
284 0 : sal_Bool bVal = sal_True;
285 0 : rValue.setValue(&bVal, getBooleanCppuType());
286 0 : } break;
287 : case PROPERTY_ID_SCALE:
288 : case PROPERTY_ID_PRECISION:
289 : case PROPERTY_ID_DISPLAYSIZE:
290 0 : rValue <<= sal_Int32(0);
291 0 : break;
292 : case PROPERTY_ID_TYPE:
293 0 : rValue <<= sal_Int32(DataType::SQLNULL);
294 0 : break;
295 : case PROPERTY_ID_ISNULLABLE:
296 0 : rValue <<= ColumnValue::NULLABLE_UNKNOWN;
297 0 : break;
298 : }
299 : }
300 0 : }
301 :
302 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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