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 #ifndef OOX_HELPER_ZIPSTORAGE_HXX 25 #define OOX_HELPER_ZIPSTORAGE_HXX 26 27 #include "oox/helper/storagebase.hxx" 28 29 namespace com { namespace sun { namespace star { 30 namespace uno { class XComponentContext; } 31 } } } 32 33 namespace oox { 34 35 // ============================================================================ 36 37 /** Implements stream access for ZIP storages containing XML streams. */ 38 class ZipStorage : public StorageBase 39 { 40 public: 41 explicit ZipStorage( 42 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext, 43 const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& rxInStream ); 44 45 explicit ZipStorage( 46 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext, 47 const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& rxStream ); 48 49 virtual ~ZipStorage(); 50 51 private: 52 explicit ZipStorage( 53 const ZipStorage& rParentStorage, 54 const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >& rxStorage, 55 const ::rtl::OUString& rElementName ); 56 57 /** Returns true, if the object represents a valid storage. */ 58 virtual bool implIsStorage() const; 59 60 /** Returns the com.sun.star.embed.XStorage interface of the current storage. */ 61 virtual ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage > 62 implGetXStorage() const; 63 64 /** Returns the names of all elements of this storage. */ 65 virtual void implGetElementNames( ::std::vector< ::rtl::OUString >& orElementNames ) const; 66 67 /** Opens and returns the specified sub storage from the storage. */ 68 virtual StorageRef implOpenSubStorage( const ::rtl::OUString& rElementName, bool bCreateMissing ); 69 70 /** Opens and returns the specified input stream from the storage. */ 71 virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > 72 implOpenInputStream( const ::rtl::OUString& rElementName ); 73 74 /** Opens and returns the specified output stream from the storage. */ 75 virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > 76 implOpenOutputStream( const ::rtl::OUString& rElementName ); 77 78 /** Commits the current storage. */ 79 virtual void implCommit() const; 80 81 private: 82 ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage > 83 mxStorage; /// Storage based on input or output stream. 84 }; 85 86 // ============================================================================ 87 88 } // namespace oox 89 90 #endif 91