/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef INCLUDED_UCBHELPER_CONTENT_HXX #define INCLUDED_UCBHELPER_CONTENT_HXX #include #include #include #include #include #include #include namespace com { namespace sun { namespace star { namespace beans { class XPropertySetInfo; } } } } namespace com { namespace sun { namespace star { namespace io { class XActiveDataSink; class XOutputStream; class XInputStream; } } } } namespace com { namespace sun { namespace star { namespace sdbc { class XResultSet; class XRow; } } } } namespace com { namespace sun { namespace star { namespace ucb { class XCommandEnvironment; class XCommandInfo; class XContent; class XContentIdentifier; class XDynamicResultSet; class XAnyCompareFactory; struct ContentInfo; struct NumberedSortingInfo; } } } } namespace com { namespace sun { namespace star { namespace uno { class XComponentContext; } } } } namespace ucbhelper { /** * These are the possible values for the parameter eMode of method * ucbhelper::Content::createCursor. */ enum ResultSetInclude { INCLUDE_FOLDERS_ONLY, INCLUDE_DOCUMENTS_ONLY, INCLUDE_FOLDERS_AND_DOCUMENTS }; /** * These are the possible values for the parameter eOperation of method * ucbhelper::Content::insertNewContent. */ enum InsertOperation { InsertOperation_COPY, // copy source data InsertOperation_MOVE, // move source data InsertOperation_LINK, // create a link to source InsertOperation_CHECKIN // check-in source data }; class Content_Impl; /** * This class simplifies access to UCB contents by providing a more * convenient API for frequently used functionality then the "raw" * UCB-API does. */ class UCBHELPER_DLLPUBLIC Content { rtl::Reference< Content_Impl > m_xImpl; protected: css::uno::Any createCursorAny( const css::uno::Sequence< OUString >& rPropertyNames, ResultSetInclude eMode ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); public: /** * Constructor. */ Content(); /** * Constructor. * * @param rURL is the URL of the content to create. * @param rEnv is the environment to use for commands executed by the * content. The command environment is used by the content * implementation to interact with the client and to propagate * errors. */ Content( const OUString& rURL, const css::uno::Reference< css::ucb::XCommandEnvironment >& rEnv, const css::uno::Reference< css::uno::XComponentContext >& rCtx ) throw ( css::ucb::ContentCreationException, css::uno::RuntimeException ); /** * Constructor. * * @param rContent is the content object of the content to create. * @param rEnv is the environment to use for commands executed by the * content. The command environment is used by the content * implementation to interact with the client and to propagate * errors. */ Content( const css::uno::Reference< css::ucb::XContent >& rContent, const css::uno::Reference< css::ucb::XCommandEnvironment >& rEnv, const css::uno::Reference< css::uno::XComponentContext >& rCtx ) throw ( css::ucb::ContentCreationException, css::uno::RuntimeException ); /** * Copy Constructor. * * @param rContent is the content this content shall be a copy of. */ Content( const Content& rOther ); /** * Destructor. */ ~Content(); /** * Assignment operator. * * @param rContent is the content this content shall be a copy of. */ Content& operator=( const Content& rOther ); /** * Constructor. This method should be used, if the exception thrown * by the direct ctors of this class are to 'expensive' for your * application * * @param rURL is the URL of the content to create. * @param rEnv is the environment to use for commands executed by the * content. The command environment is used by the content * implementation to interact with the client and to propagate * errors. * @param rContent will be filled by this method with the content created. * @return true, if the operation was successful - false, otherwise. */ static bool create( const OUString& rURL, const css::uno::Reference< css::ucb::XCommandEnvironment >& rEnv, const css::uno::Reference< css::uno::XComponentContext >& rCtx, Content& rContent ); // Direct access to UCB content. /** * This method provides access to the "native" UCB content interface(s). * This is useful in case the convenience methods provided by this * class are insufficient for your needs. You may obtain all interfaces * supported by the underlying UCB content by calling this method and * after that doing a queryInterface call. * * @return the XContent interface of the underlying UCB content. */ css::uno::Reference< css::ucb::XContent > get() const; // Object identity. /** * This method returns the URL of the content. * * @return the URL of the content. */ const OUString& getURL() const; // Command environment. /** * This method returns the environment to use when executing commands. * * @return the command environment. */ const css::uno::Reference< css::ucb::XCommandEnvironment >& getCommandEnvironment() const; /** * This method sets a new command environment. * * @param xNewEnv is the new command environment. */ void setCommandEnvironment( const css::uno::Reference< css::ucb::XCommandEnvironment >& xNewEnv ); // Access to supported commands/properties. /** * This methods provides access to meta data of the commands supported * by this content. * * @return an XCommandInfo interface implementation, which can be used * to obtain meta data of the commands supported by this content. */ css::uno::Reference< css::ucb::XCommandInfo > getCommands() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This methods provides access to meta data of the properties supported * by this content. * * @return an XPropertSetInfo interface implementation, which can be used * to obtain meta data of the properties supported by this content. */ css::uno::Reference< css::beans::XPropertySetInfo > getProperties() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); // Access to property value(s). /** * This method can be used to read a single property value. * * @param rPropertyName is the name of the property for that the value * shall be obtained. * @return the property value. */ css::uno::Any getPropertyValue( const OUString& rPropertyName ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method can be used to set a single property value. * * @param rPropertyName is the name of the property for that the * value shall be set. * @return an any containing: * - No value indicates, that the property value was set * successfully. * - css::beans::UnknownPropertyException indicates, * that the property is not known to the content implementation. * - css::beans::IllegalTypeException indicates, that * the data type of the property value is not acceptable. * - css::lang::IllegalAccessException indicates, that * the property is constant. * - css::lang::IllegalArgumentException indicates, * that the property value is not acceptable. For instance, * setting an empty title may be illegal. * - Any other exception derived from * css::uno::Exception indicates, that the value was * not set successfully. For example, this can be a * com::sun:star::ucb::InteractiveAugmentedIOException * transporting the error code * css::ucb::IOErrorCode::ACCESS_DENIED. */ css::uno::Any setPropertyValue( const OUString& rPropertyName, const css::uno::Any& rValue ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method can be used to read multiple property values. * * @param rPropertyNames is a sequence of names of properties for * that the values shall be obtained. * @return the property values. */ css::uno::Sequence< css::uno::Any > getPropertyValues( const css::uno::Sequence< OUString >& rPropertyNames ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method can be used to read multiple property values. * * @param rPropertyNames is a sequence of names of properties for * that the values shall be obtained. * @return the property values. */ css::uno::Reference< css::sdbc::XRow > getPropertyValuesInterface( const css::uno::Sequence< OUString >& rPropertyNames ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method can be used to set multiple property values. * * @param rPropertyNames is a sequence of names of properties for * that values shall be set. * @return a sequence of any's which has exactly the same number * of elements as the number of properties to set. Every * sequence element contains the status for a property. The * first sequence elements corresponds to the first element in * the sequence of property names and so on. * * An any containing: * - No value indicates, that the property value was set * successfully. * - css::beans::UnknownPropertyException indicates, * that the property is not known to the content implementation. * - css::beans::IllegalTypeException indicates, that * the data type of the property value is not acceptable. * - css::lang::IllegalAccessException indicates, that * the property is constant. * - css::lang::IllegalArgumentException indicates, * that the property value is not acceptable. For instance, * setting an empty title may be illegal. * - Any other exception derived from * css::uno::Exception indicates, that the value was * not set successfully. For example, this can be a * com::sun:star::ucb::InteractiveAugmentedIOException * transporting the error code * css::ucb::IOErrorCode::ACCESS_DENIED. */ css::uno::Sequence< css::uno::Any > setPropertyValues( const css::uno::Sequence< OUString >& rPropertyNames, const css::uno::Sequence< css::uno::Any >& rValues ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); // General command execution. /** * This method can be used to execute any command supported by the * content. * * @param rCommandName is the name of the command to execute. * @param rCommandArgument is the argument for the command. Type and * values of this parameter must correspond to the command * specification. * @return the result of the command according to its specification. */ css::uno::Any executeCommand( const OUString& rCommandName, const css::uno::Any& rCommandArgument ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); // Special commands. /** * This methods gives access to the children of a folder content. * Additionally, the result set returned provides efficient access to * preselected property values of the children. * Internally it executes the command "open" at the content. * * @param rPropertyNames is a sequence of names of properties for * that the values should be accessible via the resultset * returned by this method. * @param eMode is a very simple filter for the children contained * in the resultset. * @return an implementation of the service * com.cun.star.ucb.ContentResultSet, which can be used to * get access to the children of a content. */ css::uno::Reference< css::sdbc::XResultSet > createCursor( const css::uno::Sequence< OUString >& rPropertyNames, ResultSetInclude eMode = INCLUDE_FOLDERS_AND_DOCUMENTS ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This methods gives access to the children of a folder content. * Additionally, the result set returned provides efficient access to * preselected property values of the children. * Internally it executes the command "open" at the content. * * @param rPropertyNames is a sequence of names of properties for * that the values should be accessible via the resultset * returned by this method. * @param eMode is a very simple filter for the children contained * in the resultset. * @return an implementation of the service * com.cun.star.ucb.DynamicResultSet, which can be used to * get access to the children of a content. */ css::uno::Reference< css::ucb::XDynamicResultSet > createDynamicCursor( const css::uno::Sequence< OUString >& rPropertyNames, ResultSetInclude eMode = INCLUDE_FOLDERS_AND_DOCUMENTS ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); css::uno::Reference< css::sdbc::XResultSet > createSortedCursor( const css::uno::Sequence< OUString >& rPropertyNames, const css::uno::Sequence< css::ucb::NumberedSortingInfo >& rSortInfo, css::uno::Reference< css::ucb::XAnyCompareFactory > rAnyCompareFactory, ResultSetInclude eMode = INCLUDE_FOLDERS_AND_DOCUMENTS ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This methods gives read access to the content stream of a content (i.e * the content of a file located at the local file system). * Internally it executes the command "open" at the content. * * @return an implementation of the interface XInputStream, which can * be used to read the content's data. */ css::uno::Reference< css::io::XInputStream > openStream() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This methods gives read access to the content stream of a content (i.e * the content of a file located at the local file system). * Internally it executes the command "open" at the content. * The method requests opening without locking. * * @return an implementation of the interface XInputStream, which can * be used to read the content's data. */ css::uno::Reference< css::io::XInputStream > openStreamNoLock() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This methods gives read/write access to the content stream of a content (i.e * the content of a file located at the local file system). * Internally it executes the command "open" at the content. * * @return an implementation of the interface XStream, which can * be used to read/write the content's data. */ css::uno::Reference< css::io::XStream > openWriteableStream() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This methods gives read/write access to the content stream of a content (i.e * the content of a file located at the local file system). * Internally it executes the command "open" at the content. * The method requests opening without locking. * * @return an implementation of the interface XStream, which can * be used to read/write the content's data. */ css::uno::Reference< css::io::XStream > openWriteableStreamNoLock() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This methods gives read access to the content stream of a content (i.e * the content of a file located at the local file system). * Internally it executes the command "open" at the content. * * @param rSink is the implementation of an XActiveDataSink interface, * which shall be used by the content to deliver the data. */ bool openStream( const css::uno::Reference< css::io::XActiveDataSink >& rSink ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This methods gives read access to the content stream of a content (i.e * the content of a file located at the local file system). * Internally it executes the command "open" at the content. * * @param rStream is the implementation of an XOutputStream interface, * which shall be used by the content to deliver the data. */ bool openStream( const css::uno::Reference< css::io::XOutputStream >& rStream ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This methods gives write access to the content stream of a content (i.e * the content of a file located at the local file system). * Internally it executes the command "insert" at the content. * * @param rStream is the implementation of an XInputStream interface, * which contains the content data to write. * @param bReplaceExisting specifies, whether any existing content data * shall be overwritten. */ void writeStream( const css::uno::Reference< css::io::XInputStream >& rStream, bool bReplaceExisting ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method returns the different types of contents this content * can create. * * @return the content types or an empty sequence if no contents can be * created by this content. */ css::uno::Sequence< css::ucb::ContentInfo > queryCreatableContentsInfo() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method creates, initializes and inserts ( commits ) a new content * (i.e. it could be used to create a new file system folder). * Internally this method does a * XCommandProcessor::execute( "createNewContent", ... ); * XCommandProcessor::execute( "setPropertyValues", ... ); * XCommandProcessor::execute( "insert", ... ); calling sequence. * * @param rContentType is the type for the new UCB content. Each content * provider implementation may introduce own types for its content * objects (See queryCreatableContentsInfo()). * @param rPropertyNames is a sequence of names of properties for that * values are to set at the new content before it will be inserted * ( committed ). * The order of the names must correspond to the order of the * property values. * @param rPropertyValues is a sequence of property values that are to * set at the new content before it will be inserted ( committed ). * The order of the values must correspond to the order of the * property names. * @param rNewContent will be filled by the implementation of this method * with the new content. */ bool insertNewContent( const OUString& rContentType, const css::uno::Sequence< OUString >& rPropertyNames, const css::uno::Sequence< css::uno::Any >& rPropertyValues, Content& rNewContent ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method creates, initializes and inserts (commits) a new content * inside this (the target folder) content. For example, it can be used to * create a new file system file. * Internally this method does a * XCommandProcessor::execute( "createNewContent", ... ); * XCommandProcessor::execute( "setPropertyValues", ... ); * XCommandProcessor::execute( "insert", ... ); calling sequence. * * @param rContentType is the type for the new UCB content. Each content * provider implementation may introduce own types for its content * objects (See queryCreatableContentsInfo()). * @param rPropertyNames is a sequence of names of properties for that * values are to set at the new content before it will be inserted * ( committed ). * The order of the names must correspond to the order of the * property values. * @param rPropertyValues is a sequence of property values that are to * set at the new content before it will be inserted ( committed ). * The order of the values must correspond to the order of the * property names. * @param rStream is a stream containing the content data for the new * content (i.e. the content of a file to create) * @param rNewContent will be filled by the implementation of this method * with the new content. */ bool insertNewContent( const OUString& rContentType, const css::uno::Sequence< OUString >& rPropertyNames, const css::uno::Sequence< css::uno::Any >& rPropertyValues, const css::uno::Reference< css::io::XInputStream >& rStream, Content& rNewContent ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method transfers (copies/moves) a content. It creates a new * resource inside this (the target folder) content. * The implementation is able to do cross-provider transfers (like copying * a file from the local file system to a directory located on an HTTP * server). * Internally this method executes the command "globalTransfer" at the UCB. * * @param rSourceContent is the content that contains the data for the * new UCB content. * @param eOperation defines what shall be done with the source data * ( COPY, MOVE, LINK ). * @param rTitle contains a title for the new content. If this is an empty * string, the new content will have the same title as the source * content. * @param rNameClashAction describes how the implementation shall behave * in case a content with a clashing name exists in the target * folder. * NameClash::ERROR will abort the operation, NameClash::OVERWRITE * will overwrite the clashing content and all its data, * NameClash::RENAME will generate and supply a non-clashing title. * @see com/sun/star/ucb/NameClash.idl * @param rMimeType contains the MIME type of the document to write. * @param bMajorVersion tells to create a new major version for checkin operations * @param rCommentVersion contains the comment to use for checkin operations * @param rResultURL is a hacky way to get the update URL after the operation in * case there was a change (introduced for the checkin operation) * @param rDocumentId is the document Id ( in case of CMIS ). */ bool transferContent( const Content& rSourceContent, InsertOperation eOperation, const OUString & rTitle, const sal_Int32 nNameClashAction, const OUString & rMimeType = OUString( ), bool bMajorVersion = false, const OUString & rCommentVersion = OUString( ), OUString* pResultURL = nullptr, const OUString & rDocumentId = OUString( ) ) throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method lock the resource. * */ void lock() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method unlock the resource. * */ void unlock() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); // Required properties. /** * This method returns the value of the content's property "IsFolder". * * @return true, if the content is a folder ( it can contain other * UCB contents). false, otherwise. */ bool isFolder() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); /** * This method returns the value of the content's property "IsDocument". * * @return true, if the content is a document ( it has a content stream ). * false, otherwise. */ bool isDocument() throw( css::ucb::CommandAbortedException, css::uno::RuntimeException, css::uno::Exception ); }; } /* namespace ucbhelper */ #endif /* ! INCLUDED_UCBHELPER_CONTENT_HXX */ /* vim:set shiftwidth=4 softtabstop=4 expandtab: */