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office-gobmx/include/ucbhelper/content.hxx
Noel Grandin 57c5f98083 loplugin:constmethod in comphelper,ucbhelper 
Change-Id: I27a860fbbedd2174c60c199af18cae76e02abc25
Reviewed-on: https://gerrit.libreoffice.org/43759
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2017-10-25 08:32:27 +02:00

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/* -*- 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 <rtl/ref.hxx>
#include <com/sun/star/ucb/ContentCreationException.hpp>
#include <com/sun/star/ucb/CommandAbortedException.hpp>
#include <com/sun/star/io/XStream.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <ucbhelper/ucbhelperdllapi.h>
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 class InsertOperation
{
Copy, // copy source data
Move, // move source data
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 final
{
rtl::Reference< Content_Impl > m_xImpl;
/// @throws css::ucb::CommandAbortedException
/// @throws css::uno::RuntimeException,
/// @throws css::uno::Exception
css::uno::Any createCursorAny( const css::uno::Sequence< OUString >& rPropertyNames,
ResultSetInclude eMode );
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.
* @throws css::ucb::ContentCreationException
* @throws css::uno::RuntimeException
*/
Content( const OUString& rURL,
const css::uno::Reference< css::ucb::XCommandEnvironment >& rEnv,
const css::uno::Reference< css::uno::XComponentContext >& rCtx );
/**
* 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.
* @throws css::ucb::ContentCreationException
* @throws css::uno::RuntimeException
*/
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 );
/**
* Copy Constructor.
*
* @param rContent is the content this content shall be a copy of.
*/
Content( const Content& rOther );
/**
* Move constructor.
*/
Content( Content&& rOther );
/**
* Destructor.
*/
~Content();
/**
* Assignment operator.
*
* @param rContent is the content this content shall be a copy of.
*/
Content& operator=( const Content& rOther );
/**
* Move assignment operator.
*/
Content& operator=( 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Reference< css::ucb::XCommandInfo >
getCommands();
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Reference< css::beans::XPropertySetInfo >
getProperties();
// 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Any
getPropertyValue( const OUString& rPropertyName );
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Any
setPropertyValue( const OUString& rPropertyName,
const css::uno::Any& rValue );
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Sequence< css::uno::Any >
getPropertyValues( const css::uno::Sequence< OUString >& rPropertyNames );
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Reference< css::sdbc::XRow >
getPropertyValuesInterface( const css::uno::Sequence< OUString >& rPropertyNames );
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Sequence< css::uno::Any >
setPropertyValues( const css::uno::Sequence< OUString >& rPropertyNames,
const css::uno::Sequence< css::uno::Any >& rValues );
// 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Any
executeCommand( const OUString& rCommandName,
const css::uno::Any& rCommandArgument );
// 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Reference< css::sdbc::XResultSet >
createCursor( const css::uno::Sequence< OUString >& rPropertyNames,
ResultSetInclude eMode = INCLUDE_FOLDERS_AND_DOCUMENTS );
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Reference< css::ucb::XDynamicResultSet >
createDynamicCursor( const css::uno::Sequence< OUString >& rPropertyNames,
ResultSetInclude eMode = INCLUDE_FOLDERS_AND_DOCUMENTS );
/// @throws css::ucb::CommandAbortedException
/// @throws css::uno::RuntimeException
/// @throws css::uno::Exception
css::uno::Reference< css::sdbc::XResultSet >
createSortedCursor( const css::uno::Sequence< OUString >& rPropertyNames,
const css::uno::Sequence< css::ucb::NumberedSortingInfo >& rSortInfo,
const css::uno::Reference< css::ucb::XAnyCompareFactory >& rAnyCompareFactory,
ResultSetInclude eMode = INCLUDE_FOLDERS_AND_DOCUMENTS );
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Reference< css::io::XInputStream >
openStream();
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Reference< css::io::XInputStream >
openStreamNoLock();
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Reference< css::io::XStream >
openWriteableStream();
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Reference< css::io::XStream >
openWriteableStreamNoLock();
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
bool
openStream( const css::uno::Reference< css::io::XActiveDataSink >& rSink );
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
bool
openStream( const css::uno::Reference< css::io::XOutputStream >& rStream );
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
void
writeStream( const css::uno::Reference< css::io::XInputStream >& rStream,
bool bReplaceExisting );
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
css::uno::Sequence< css::ucb::ContentInfo >
queryCreatableContentsInfo();
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
bool
insertNewContent( const OUString& rContentType,
const css::uno::Sequence< OUString >& rPropertyNames,
const css::uno::Sequence< css::uno::Any >& rPropertyValues,
Content& rNewContent );
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
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 );
/**
* 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 ).
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
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( ) ) const;
/**
* This method lock the resource.
*
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
void
lock();
/**
* This method unlock the resource.
*
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
void
unlock();
// 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
bool
isFolder();
/**
* 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.
* @throws css::ucb::CommandAbortedException
* @throws css::uno::RuntimeException
* @throws css::uno::Exception
*/
bool
isDocument();
};
} /* namespace ucbhelper */
#endif /* ! INCLUDED_UCBHELPER_CONTENT_HXX */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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