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_ucbhelper.hxx" 26 #include <ucbhelper/registerucb.hxx> 27 #include <com/sun/star/lang/XMultiServiceFactory.hpp> 28 #include <com/sun/star/ucb/XContentProviderManager.hpp> 29 #include <com/sun/star/ucb/XParameterizedContentProvider.hpp> 30 #include <com/sun/star/ucb/XContentProviderFactory.hpp> 31 #include <com/sun/star/uno/RuntimeException.hpp> 32 33 #include "osl/diagnose.h" 34 35 using namespace com::sun::star; 36 37 namespace ucbhelper { 38 39 //============================================================================ 40 // 41 // registerAtUcb 42 // 43 //============================================================================ 44 45 bool 46 registerAtUcb( 47 uno::Reference< ucb::XContentProviderManager > const & rManager, 48 uno::Reference< lang::XMultiServiceFactory > const & rServiceFactory, 49 rtl::OUString const & rName, 50 rtl::OUString const & rArguments, 51 rtl::OUString const & rTemplate, 52 ContentProviderRegistrationInfo * pInfo) 53 { 54 OSL_ENSURE(rServiceFactory.is(), 55 "ucb::registerAtUcb(): No service factory"); 56 57 bool bNoProxy 58 = rArguments.compareToAscii(RTL_CONSTASCII_STRINGPARAM("{noproxy}")) 59 == 0; 60 rtl::OUString 61 aProviderArguments(bNoProxy ? 62 rArguments. 63 copy(RTL_CONSTASCII_LENGTH("{noproxy}")) : 64 rArguments); 65 66 // First, try to instantiate proxy for provider: 67 uno::Reference< ucb::XContentProvider > xProvider; 68 if (!bNoProxy) 69 { 70 uno::Reference< ucb::XContentProviderFactory > xProxyFactory; 71 try 72 { 73 xProxyFactory 74 = uno::Reference< ucb::XContentProviderFactory >( 75 rServiceFactory-> 76 createInstance( 77 rtl::OUString( 78 RTL_CONSTASCII_USTRINGPARAM( 79 "com.sun.star.ucb.ContentProviderProxyFactory"))), 80 uno::UNO_QUERY); 81 } 82 catch (uno::Exception const &) {} 83 OSL_ENSURE(xProxyFactory.is(), "No ContentProviderProxyFactory"); 84 if (xProxyFactory.is()) 85 xProvider = xProxyFactory->createContentProvider(rName); 86 } 87 88 // Then, try to instantiate provider directly: 89 if (!xProvider.is()) 90 try 91 { 92 xProvider = uno::Reference< ucb::XContentProvider >( 93 rServiceFactory->createInstance(rName), 94 uno::UNO_QUERY); 95 } 96 catch (uno::RuntimeException const &) { throw; } 97 catch (uno::Exception const &) {} 98 99 uno::Reference< ucb::XContentProvider > 100 xOriginalProvider(xProvider); 101 uno::Reference< ucb::XParameterizedContentProvider > 102 xParameterized(xProvider, uno::UNO_QUERY); 103 if (xParameterized.is()) 104 { 105 uno::Reference< ucb::XContentProvider > xInstance; 106 try 107 { 108 xInstance = xParameterized->registerInstance(rTemplate, 109 aProviderArguments, 110 true); 111 //@@@ if this call replaces an old instance, the commit-or- 112 // rollback code below will not work 113 } 114 catch (lang::IllegalArgumentException const &) {} 115 116 if (xInstance.is()) 117 xProvider = xInstance; 118 } 119 120 bool bSuccess = false; 121 if (rManager.is() && xProvider.is()) 122 try 123 { 124 rManager->registerContentProvider(xProvider, rTemplate, true); 125 bSuccess = true; 126 } 127 catch (ucb::DuplicateProviderException const &) 128 { 129 if (xParameterized.is()) 130 try 131 { 132 xParameterized->deregisterInstance(rTemplate, 133 aProviderArguments); 134 } 135 catch (lang::IllegalArgumentException const &) {} 136 } 137 catch (...) 138 { 139 if (xParameterized.is()) 140 try 141 { 142 xParameterized->deregisterInstance(rTemplate, 143 aProviderArguments); 144 } 145 catch (lang::IllegalArgumentException const &) {} 146 catch (uno::RuntimeException const &) {} 147 throw; 148 } 149 150 if (bSuccess && pInfo) 151 { 152 pInfo->m_xProvider = xOriginalProvider; 153 pInfo->m_aArguments = aProviderArguments; 154 pInfo->m_aTemplate = rTemplate; 155 } 156 return bSuccess; 157 } 158 159 } 160