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_comphelper.hxx" 26 27 #include <com/sun/star/frame/DoubleInitializationException.hpp> 28 #include <com/sun/star/lang/IllegalArgumentException.hpp> 29 30 #include <comphelper_module.hxx> 31 32 #include "documentiologring.hxx" 33 34 using namespace ::com::sun::star; 35 36 namespace comphelper 37 { 38 39 // ---------------------------------------------------------- 40 OSimpleLogRing::OSimpleLogRing( const uno::Reference< uno::XComponentContext >& /*xContext*/ ) 41 : m_aMessages( SIMPLELOGRING_SIZE ) 42 , m_bInitialized( sal_False ) 43 , m_bFull( sal_False ) 44 , m_nPos( 0 ) 45 { 46 } 47 48 // ---------------------------------------------------------- 49 OSimpleLogRing::~OSimpleLogRing() 50 { 51 } 52 53 // ---------------------------------------------------------- 54 uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::getSupportedServiceNames_static() 55 { 56 uno::Sequence< rtl::OUString > aResult( 1 ); 57 aResult[0] = getServiceName_static(); 58 return aResult; 59 } 60 61 // ---------------------------------------------------------- 62 ::rtl::OUString SAL_CALL OSimpleLogRing::getImplementationName_static() 63 { 64 return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.logging.SimpleLogRing" ) ); 65 } 66 67 // ---------------------------------------------------------- 68 ::rtl::OUString SAL_CALL OSimpleLogRing::getSingletonName_static() 69 { 70 return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.logging.DocumentIOLogRing" ) ); 71 } 72 73 // ---------------------------------------------------------- 74 ::rtl::OUString SAL_CALL OSimpleLogRing::getServiceName_static() 75 { 76 return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.logging.SimpleLogRing" ) ); 77 } 78 79 // ---------------------------------------------------------- 80 uno::Reference< uno::XInterface > SAL_CALL OSimpleLogRing::Create( const uno::Reference< uno::XComponentContext >& rxContext ) 81 { 82 return static_cast< cppu::OWeakObject* >( new OSimpleLogRing( rxContext ) ); 83 } 84 85 // XSimpleLogRing 86 // ---------------------------------------------------------- 87 void SAL_CALL OSimpleLogRing::logString( const ::rtl::OUString& aMessage ) throw (uno::RuntimeException) 88 { 89 ::osl::MutexGuard aGuard( m_aMutex ); 90 91 m_aMessages[m_nPos] = aMessage; 92 if ( ++m_nPos >= m_aMessages.getLength() ) 93 { 94 m_nPos = 0; 95 m_bFull = sal_True; 96 } 97 98 // if used once then default initialized 99 m_bInitialized = sal_True; 100 } 101 102 // ---------------------------------------------------------- 103 uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::getCollectedLog() throw (uno::RuntimeException) 104 { 105 ::osl::MutexGuard aGuard( m_aMutex ); 106 107 sal_Int32 nResLen = m_bFull ? m_aMessages.getLength() : m_nPos; 108 sal_Int32 nStart = m_bFull ? m_nPos : 0; 109 uno::Sequence< ::rtl::OUString > aResult( nResLen ); 110 111 for ( sal_Int32 nInd = 0; nInd < nResLen; nInd++ ) 112 aResult[nInd] = m_aMessages[ ( nStart + nInd ) % m_aMessages.getLength() ]; 113 114 // if used once then default initialized 115 m_bInitialized = sal_True; 116 117 return aResult; 118 } 119 120 // XInitialization 121 // ---------------------------------------------------------- 122 void SAL_CALL OSimpleLogRing::initialize( const uno::Sequence< uno::Any >& aArguments ) throw (uno::Exception, uno::RuntimeException) 123 { 124 ::osl::MutexGuard aGuard( m_aMutex ); 125 if ( m_bInitialized ) 126 throw frame::DoubleInitializationException(); 127 128 if ( !m_refCount ) 129 throw uno::RuntimeException(); // the object must be refcounted already! 130 131 sal_Int32 nLen = 0; 132 if ( aArguments.getLength() == 1 && ( aArguments[0] >>= nLen ) && nLen ) 133 m_aMessages.realloc( nLen ); 134 else 135 throw lang::IllegalArgumentException( 136 ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("Nonnull size is expected as the first argument!" ) ), 137 uno::Reference< uno::XInterface >(), 138 0 ); 139 140 m_bInitialized = sal_True; 141 } 142 143 // XServiceInfo 144 // ---------------------------------------------------------- 145 ::rtl::OUString SAL_CALL OSimpleLogRing::getImplementationName() throw (uno::RuntimeException) 146 { 147 return getImplementationName_static(); 148 } 149 150 // ---------------------------------------------------------- 151 ::sal_Bool SAL_CALL OSimpleLogRing::supportsService( const ::rtl::OUString& aServiceName ) throw (uno::RuntimeException) 152 { 153 const uno::Sequence< rtl::OUString > & aSupportedNames = getSupportedServiceNames_static(); 154 for ( sal_Int32 nInd = 0; nInd < aSupportedNames.getLength(); nInd++ ) 155 { 156 if ( aSupportedNames[ nInd ].equals( aServiceName ) ) 157 return sal_True; 158 } 159 160 return sal_False; 161 } 162 163 // ---------------------------------------------------------- 164 uno::Sequence< ::rtl::OUString > SAL_CALL OSimpleLogRing::getSupportedServiceNames() throw (uno::RuntimeException) 165 { 166 return getSupportedServiceNames_static(); 167 } 168 169 } // namespace comphelper 170 171 void createRegistryInfo_OSimpleLogRing() 172 { 173 static ::comphelper::module::OAutoRegistration< ::comphelper::OSimpleLogRing > aAutoRegistration; 174 static ::comphelper::module::OSingletonRegistration< ::comphelper::OSimpleLogRing > aSingletonRegistration; 175 } 176