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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 :
21 : #include <com/sun/star/frame/DoubleInitializationException.hpp>
22 : #include <com/sun/star/lang/IllegalArgumentException.hpp>
23 :
24 : #include <comphelper_module.hxx>
25 : #include <comphelper_services.hxx>
26 : #include <cppuhelper/supportsservice.hxx>
27 :
28 : #include "documentiologring.hxx"
29 :
30 : using namespace ::com::sun::star;
31 :
32 : namespace comphelper
33 : {
34 :
35 :
36 117 : OSimpleLogRing::OSimpleLogRing()
37 : : m_aMessages( SIMPLELOGRING_SIZE )
38 : , m_bInitialized( false )
39 : , m_bFull( false )
40 117 : , m_nPos( 0 )
41 : {
42 117 : }
43 :
44 :
45 212 : OSimpleLogRing::~OSimpleLogRing()
46 : {
47 212 : }
48 :
49 :
50 383 : uno::Sequence< OUString > SAL_CALL OSimpleLogRing::getSupportedServiceNames_static()
51 : {
52 383 : uno::Sequence< OUString > aResult( 1 );
53 383 : aResult[0] = getServiceName_static();
54 383 : return aResult;
55 : }
56 :
57 :
58 383 : OUString SAL_CALL OSimpleLogRing::getImplementationName_static()
59 : {
60 383 : return OUString( "com.sun.star.comp.logging.SimpleLogRing" );
61 : }
62 :
63 :
64 191 : OUString SAL_CALL OSimpleLogRing::getSingletonName_static()
65 : {
66 191 : return OUString( "com.sun.star.logging.DocumentIOLogRing" );
67 : }
68 :
69 :
70 383 : OUString SAL_CALL OSimpleLogRing::getServiceName_static()
71 : {
72 383 : return OUString( "com.sun.star.logging.SimpleLogRing" );
73 : }
74 :
75 :
76 117 : uno::Reference< uno::XInterface > SAL_CALL OSimpleLogRing::Create( SAL_UNUSED_PARAMETER const uno::Reference< uno::XComponentContext >& )
77 : {
78 117 : return static_cast< cppu::OWeakObject* >( new OSimpleLogRing );
79 : }
80 :
81 : // XSimpleLogRing
82 :
83 36381 : void SAL_CALL OSimpleLogRing::logString( const OUString& aMessage ) throw (uno::RuntimeException, std::exception)
84 : {
85 36381 : ::osl::MutexGuard aGuard( m_aMutex );
86 :
87 36381 : m_aMessages[m_nPos] = aMessage;
88 36381 : if ( ++m_nPos >= m_aMessages.getLength() )
89 : {
90 105 : m_nPos = 0;
91 105 : m_bFull = true;
92 : }
93 :
94 : // if used once then default initialized
95 36381 : m_bInitialized = true;
96 36381 : }
97 :
98 :
99 0 : uno::Sequence< OUString > SAL_CALL OSimpleLogRing::getCollectedLog() throw (uno::RuntimeException, std::exception)
100 : {
101 0 : ::osl::MutexGuard aGuard( m_aMutex );
102 :
103 0 : sal_Int32 nResLen = m_bFull ? m_aMessages.getLength() : m_nPos;
104 0 : sal_Int32 nStart = m_bFull ? m_nPos : 0;
105 0 : uno::Sequence< OUString > aResult( nResLen );
106 :
107 0 : for ( sal_Int32 nInd = 0; nInd < nResLen; nInd++ )
108 0 : aResult[nInd] = m_aMessages[ ( nStart + nInd ) % m_aMessages.getLength() ];
109 :
110 : // if used once then default initialized
111 0 : m_bInitialized = true;
112 :
113 0 : return aResult;
114 : }
115 :
116 : // XInitialization
117 :
118 1 : void SAL_CALL OSimpleLogRing::initialize( const uno::Sequence< uno::Any >& aArguments ) throw (uno::Exception, uno::RuntimeException, std::exception)
119 : {
120 1 : ::osl::MutexGuard aGuard( m_aMutex );
121 1 : if ( m_bInitialized )
122 0 : throw frame::DoubleInitializationException();
123 :
124 1 : if ( !m_refCount )
125 0 : throw uno::RuntimeException(); // the object must be refcounted already!
126 :
127 1 : if (aArguments.hasElements())
128 : {
129 0 : sal_Int32 nLen = 0;
130 0 : if ( aArguments.getLength() == 1 && ( aArguments[0] >>= nLen ) && nLen )
131 0 : m_aMessages.realloc( nLen );
132 : else
133 : throw lang::IllegalArgumentException(
134 : "Nonnull size is expected as the first argument!",
135 : uno::Reference< uno::XInterface >(),
136 0 : 0 );
137 : }
138 :
139 1 : m_bInitialized = true;
140 1 : }
141 :
142 : // XServiceInfo
143 1 : OUString SAL_CALL OSimpleLogRing::getImplementationName() throw (uno::RuntimeException, std::exception)
144 : {
145 1 : return getImplementationName_static();
146 : }
147 :
148 0 : sal_Bool SAL_CALL OSimpleLogRing::supportsService( const OUString& aServiceName ) throw (uno::RuntimeException, std::exception)
149 : {
150 0 : return cppu::supportsService(this, aServiceName);
151 : }
152 :
153 1 : uno::Sequence< OUString > SAL_CALL OSimpleLogRing::getSupportedServiceNames() throw (uno::RuntimeException, std::exception)
154 : {
155 1 : return getSupportedServiceNames_static();
156 : }
157 :
158 : } // namespace comphelper
159 :
160 191 : void createRegistryInfo_OSimpleLogRing()
161 : {
162 191 : static ::comphelper::module::OAutoRegistration< ::comphelper::OSimpleLogRing > aAutoRegistration;
163 191 : static ::comphelper::module::OSingletonRegistration< ::comphelper::OSimpleLogRing > aSingletonRegistration;
164 191 : }
165 :
166 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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