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 throw (uno::RuntimeException) 54 { 55 OSL_ENSURE(rServiceFactory.is(), 56 "ucb::registerAtUcb(): No service factory"); 57 58 bool bNoProxy 59 = rArguments.compareToAscii(RTL_CONSTASCII_STRINGPARAM("{noproxy}")) 60 == 0; 61 rtl::OUString 62 aProviderArguments(bNoProxy ? 63 rArguments. 64 copy(RTL_CONSTASCII_LENGTH("{noproxy}")) : 65 rArguments); 66 67 // First, try to instantiate proxy for provider: 68 uno::Reference< ucb::XContentProvider > xProvider; 69 if (!bNoProxy) 70 { 71 uno::Reference< ucb::XContentProviderFactory > xProxyFactory; 72 try 73 { 74 xProxyFactory 75 = uno::Reference< ucb::XContentProviderFactory >( 76 rServiceFactory-> 77 createInstance( 78 rtl::OUString( 79 RTL_CONSTASCII_USTRINGPARAM( 80 "com.sun.star.ucb.ContentProviderProxyFactory"))), 81 uno::UNO_QUERY); 82 } 83 catch (uno::Exception const &) {} 84 OSL_ENSURE(xProxyFactory.is(), "No ContentProviderProxyFactory"); 85 if (xProxyFactory.is()) 86 xProvider = xProxyFactory->createContentProvider(rName); 87 } 88 89 // Then, try to instantiate provider directly: 90 if (!xProvider.is()) 91 try 92 { 93 xProvider = uno::Reference< ucb::XContentProvider >( 94 rServiceFactory->createInstance(rName), 95 uno::UNO_QUERY); 96 } 97 catch (uno::RuntimeException const &) { throw; } 98 catch (uno::Exception const &) {} 99 100 uno::Reference< ucb::XContentProvider > 101 xOriginalProvider(xProvider); 102 uno::Reference< ucb::XParameterizedContentProvider > 103 xParameterized(xProvider, uno::UNO_QUERY); 104 if (xParameterized.is()) 105 { 106 uno::Reference< ucb::XContentProvider > xInstance; 107 try 108 { 109 xInstance = xParameterized->registerInstance(rTemplate, 110 aProviderArguments, 111 true); 112 //@@@ if this call replaces an old instance, the commit-or- 113 // rollback code below will not work 114 } 115 catch (lang::IllegalArgumentException const &) {} 116 117 if (xInstance.is()) 118 xProvider = xInstance; 119 } 120 121 bool bSuccess = false; 122 if (rManager.is() && xProvider.is()) 123 try 124 { 125 rManager->registerContentProvider(xProvider, rTemplate, true); 126 bSuccess = true; 127 } 128 catch (ucb::DuplicateProviderException const &) 129 { 130 if (xParameterized.is()) 131 try 132 { 133 xParameterized->deregisterInstance(rTemplate, 134 aProviderArguments); 135 } 136 catch (lang::IllegalArgumentException const &) {} 137 } 138 catch (...) 139 { 140 if (xParameterized.is()) 141 try 142 { 143 xParameterized->deregisterInstance(rTemplate, 144 aProviderArguments); 145 } 146 catch (lang::IllegalArgumentException const &) {} 147 catch (uno::RuntimeException const &) {} 148 throw; 149 } 150 151 if (bSuccess && pInfo) 152 { 153 pInfo->m_xProvider = xOriginalProvider; 154 pInfo->m_aArguments = aProviderArguments; 155 pInfo->m_aTemplate = rTemplate; 156 } 157 return bSuccess; 158 } 159 160 } 161