xref: /aoo41x/main/offapi/com/sun/star/embed/XStorage.idl (revision d1766043)

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 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


#ifndef __com_sun_star_embed_XStorage_idl__
#define __com_sun_star_embed_XStorage_idl__

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif

#ifndef __com_sun_star_io_XStream_idl__
#include <com/sun/star/io/XStream.idl>
#endif

#ifndef __com_sun_star_io_XInputStream_idl__
#include <com/sun/star/io/XInputStream.idl>
#endif

#ifndef __com_sun_star_io_IOException_idl__
#include <com/sun/star/io/IOException.idl>
#endif

#ifndef __com_sun_star_lang_XComponent_idl__
#include <com/sun/star/lang/XComponent.idl>
#endif

#ifndef __com_sun_star_lang_IllegalArgumentException_idl__
#include <com/sun/star/lang/IllegalArgumentException.idl>
#endif

#ifndef __com_sun_star_embed_StorageWrappedTargetException_idl__
#include <com/sun/star/embed/StorageWrappedTargetException.idl>
#endif

#ifndef __com_sun_star_embed_InvalidStorageException_idl__
#include <com/sun/star/embed/InvalidStorageException.idl>
#endif

#ifndef __com_sun_star_packages_WrongPasswordException_idl__
#include <com/sun/star/packages/WrongPasswordException.idl>
#endif

#ifndef __com_sun_star_container_XNameAccess_idl__
#include <com/sun/star/container/XNameAccess.idl>
#endif

#ifndef __com_sun_star_container_NoSuchElementException_idl__
#include <com/sun/star/container/NoSuchElementException.idl>
#endif

#ifndef __com_sun_star_container_ElementExistException_idl__
#include <com/sun/star/container/ElementExistException.idl>
#endif

#ifndef __com_sun_star_packages_NoEncryptionException_idl__
#include <com/sun/star/packages/NoEncryptionException.idl>
#endif

#ifndef __com_sun_star_packages_NoRawFormatException_idl__
#include <com/sun/star/packages/NoRawFormatException.idl>
#endif


//============================================================================

 module com {  module sun {  module star {  module embed {

//============================================================================
/** This interface represents main storage functionality.
 */
published interface XStorage
{
	// INTERFACES
	//
	// -----------------------------------------------------------------------
	/** allows to get list of child elements and to check if an element with a
		specified name exists in a storage.

		<p>
		It is also possible to use this interface to get read access to
		a child element by
		<method scope="com::sun::star::container">XNameAccess::getByName</method>
		call. But the recommended way is to use <type>XStorage</type>
		interface for this purpose.
		</p>
	 */
	interface ::com::sun::star::container::XNameAccess;

	// -----------------------------------------------------------------------
	/** allows to controll and track lifetime of the storage.

		<p>
		In case a storage is disposed any call to it's methods should result
		in <type scope="com::sun::star::lang">DisposedException</type>.
		</p>
	 */
	interface ::com::sun::star::lang::XComponent;


	// METHODS
	//
	// -----------------------------------------------------------------------
	/** allows to copy current storage to another one

		<p>
		The destination storage contents are overwritten.
		After the successful copying the target storage is automatically
		commited if it implements transacted access.
		</p>

		@param xDest
			a destination storage this storage must be copied to.

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for any reason

		@throws ::com::sun::star::lang::IllegalArgumentException
			an illegal argument is provided

		@throws ::com::sun::star::io::IOException
			in case of io errors during copying

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exception acquired during copying
	 */
	void copyToStorage( [in] XStorage xDest )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** allows to get access to a child stream of the storage.

		<p>
		In case the stream is open in readonly mode the
		<method scope="com::sun::star::io">XStream::getOutputStream</method>
		method will return an empty reference.
		</p>

		@param sStreamName
			the name of the substream that should be open

		@param nOpenMode
			a mode the stream should be open in,
			can be a combination of <type>ElementModes</type> values

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for any reason

		@throws ::com::sun::star::lang::IllegalArgumentException
			one of provided arguments is illegal

		@throws ::com::sun::star::packages::WrongPasswordException
			the provided password is wrong

		@throws ::com::sun::star::io::IOException
			in case of io errors during stream opening

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions
	 */
    ::com::sun::star::io::XStream  openStreamElement(
			[in] string sStreamName,
			[in] long nOpenMode )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::packages::WrongPasswordException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** allows to get access to a child encrypted stream with password.

		<p>
		If storage does not allow any encryption this method will always throw
		<type scope="com::sun::star::packages">NoEncryptionException</type>.
		</p>

		<p>
		In case the stream is open in readonly mode the
		<method scope="com::sun::star::io">XStream::getOutputStream</method>
		method will return an empty reference.
		</p>

		@param sStreamName
			the name of the substream that should be open

		@param nOpenMode
			a mode the stream should be open in,
			can be a combination of <type>ElementModes</type> values

		@param sPassword
			this parameter allowes to specify a reading password for the
			stream, the password must be a correct one, otherwise an
			exception will be thrown

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for any reason

		@throws ::com::sun::star::lang::IllegalArgumentException
			one of provided arguments is illegal

		@throws ::com::sun::star::packages::NoEncryptionException
			the stream is not encrypted

		@throws ::com::sun::star::packages::WrongPasswordException
			the provided password is wrong

		@throws ::com::sun::star::io::IOException
			in case of io errors during stream opening

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions
	 */
    ::com::sun::star::io::XStream  openEncryptedStreamElement(
			[in] string sStreamName,
			[in] long nOpenMode,
			[in] string sPassword )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::packages::NoEncryptionException,
				::com::sun::star::packages::WrongPasswordException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** allows to get access to a child storage.

		<p>
		The opened substorage must support specified in 'nOpenMode' access
		modes. It can support 'read' mode in addition. But any child element
		can support one of those modes only in case this mode is supported by
		parent storage.
		</p>

		@param sStorName
			the name of the storage that should be open

		@param nOpenMode
			a mode the storage should be open in

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for any reason

		@throws ::com::sun::star::lang::IllegalArgumentException
			one of provided arguments is illegal

		@throws ::com::sun::star::io::IOException
			in case of io errors during stream opening

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions

	 */
    XStorage openStorageElement( [in] string sStorName,
								 [in] long nOpenMode )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** allows to get readonly copy of a child stream of the storage.

		<p>
		The stream is open in readonly mode so the
		<method scope="com::sun::star::io">XStream::getOutputStream</method>
		method will return an empty reference.
		</p>

		@param sStreamName
			the name of the substream that should be copied

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for any reason

		@throws ::com::sun::star::lang::IllegalArgumentException
			one of provided arguments is illegal

		@throws ::com::sun::star::packages::WrongPasswordException
			the provided password is wrong

		@throws ::com::sun::star::io::IOException
			in case of io errors during stream opening

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions
	 */
    ::com::sun::star::io::XStream cloneStreamElement( [in] string sStreamName )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::packages::WrongPasswordException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** allows to get readonly copy of a child encrypted stream with password.

		<p>
		If storage does not allow any encryption this method will always throw
		<type scope="com::sun::star::packages">NoEncryptionException</type>.
		</p>

		<p>
		The stream is open in readonly mode so the
		<method scope="com::sun::star::io">XStream::getOutputStream</method>
		method will return an empty reference.
		</p>

		<p>
		This method allows to specify reading password for the child stream
		explicitly.
		</p>

		@param sStreamName
			the name of the substream that should be copied

		@param sPassword
			this parameter allowes to specify a reading password for the
			stream, the password must be a correct one, otherwise an
			exception will be thrown

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for any reason

		@throws ::com::sun::star::lang::IllegalArgumentException
			one of provided arguments is illegal

		@throws ::com::sun::star::packages::NoEncryptionException
			the stream is not encrypted

		@throws ::com::sun::star::packages::WrongPasswordException
			the provided password is wrong

		@throws ::com::sun::star::io::IOException
			in case of io errors during stream opening

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions
	 */
    ::com::sun::star::io::XStream cloneEncryptedStreamElement(
			[in] string sStreamName,
			[in] string sPassword )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::packages::NoEncryptionException,
				::com::sun::star::packages::WrongPasswordException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** allows to get copy of this storage at the state of it's last commit.

		<p>
		This method makes sence only for services implementations that allow
		transaction in the storage.
		</p>

		@param xStorage
			the target storage that will be filled in with copy.

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for any reason

		@throws ::com::sun::star::lang::IllegalArgumentException
			one of provided arguments is illegal

		@throws ::com::sun::star::io::IOException
			in case of io errors during copying

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions

	 */
    void copyLastCommitTo( [in] XStorage xTargetStorage )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** allows to get copy of a child storage at the state of it's last commit.

		<p>
		This method makes sence only for services implementations that allow
		transaction in the storage.
		</p>

		@param sStorName
			the name of the storage that should be copied

		@param xStorage
			the target storage that will be filled in with copy

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for any reason

		@throws ::com::sun::star::lang::IllegalArgumentException
			one of provided arguments is illegal

		@throws ::com::sun::star::io::IOException
			in case of io errors during copying

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions

	 */
    void copyStorageElementLastCommitTo(
			[in] string sStorName,
			[in] XStorage xTargetStorage )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** allows to check if an element is a child stream with specified name.

		<p>
		In case there is no child element with such name an exception will be
		thrown.
		</p>

		@param sElementName
			the name of the element to check

		@returns
			<TRUE/> in case the element is a stream
			<FALSE/> - the element is a storage

		@throws ::com::sun::star::container::NoSuchElementException
			there is no element with such name

		@throws ::com::sun::star::lang::IllegalArgumentException
			an illegal argument is provided

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for any reason

	 */
    boolean isStreamElement( [in] string sElementName )
		raises( ::com::sun::star::container::NoSuchElementException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::embed::InvalidStorageException );


	// -----------------------------------------------------------------------
	/** allows to check if an element is a child storage with specified name.

		<p>
		In case there is no child element with such name an exception will be
		thrown.
		</p>

		@param sElementName
			the name of the element to check

		@returns
			<TRUE/> in case the element is a storage
			<FALSE/> - the element is a stream

		@throws ::com::sun::star::container::NoSuchElementException
			there is no element with such name

		@throws ::com::sun::star::lang::IllegalArgumentException
			an illegal argument is provided

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for any reason

	 */
    boolean isStorageElement( [in] string sElementName )
		raises( ::com::sun::star::container::NoSuchElementException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::embed::InvalidStorageException );

	// -----------------------------------------------------------------------
	/** removes an element from a storage.

		@param sElementName
			the name of the element to remove

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for eny reason

		@throws ::com::sun::star::lang::IllegalArgumentException
			an illegal argument is provided

		@throws ::com::sun::star::container::NoSuchElementException
			there is no element with such name

		@throws ::com::sun::star::io::IOException
			in case of io errors during removing

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions

	 */
    void removeElement( [in] string sElementName )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::container::NoSuchElementException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** renames an element in a storage.

		@param sElementName
			the old name of the element to rename

		@param sNewName
			the new name of the element to rename

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for eny reason

		@throws ::com::sun::star::lang::IllegalArgumentException
			an illegal argument is provided

		@throws ::com::sun::star::container::NoSuchElementException
			there is no element with old name in this storage

		@throws ::com::sun::star::container::ElementExistException
			an element with new name already exists in this storage

		@throws ::com::sun::star::io::IOException
			in case of io errors during renaming

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions

	 */
    void renameElement( [in] string sElementName, [in] string sNewName )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::container::NoSuchElementException,
				::com::sun::star::container::ElementExistException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** allows to copy an entry from one storage to another.

		<p>
		If target element supports transacted mode it must be commited by this
		method after successful copying.
		</p>

		@param sElementName
			the name of the element in this storage

		@param xDest
			a destination storage

		@param sNewName
			the name of the result element in destination storage

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for eny reason

		@throws ::com::sun::star::container::NoSuchElementException
			there is no specified source element in this storage

		@throws ::com::sun::star::container::ElementExistException
			an element with specified destination name already exists in destination storage

		@throws ::com::sun::star::io::IOException
			in case of io errors during copying

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions

	 */
    void copyElementTo(
			[in] string sElementName,
			[in] XStorage xDest,
			[in] string sNewName )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::container::NoSuchElementException,
				::com::sun::star::container::ElementExistException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

	// -----------------------------------------------------------------------
	/** allows to move an entry from one storage to another.

		<p>
		If target element supports transacted mode it must be commited by this
		method after successful moving.
		</p>

		@param sElementName
			the name of the element in this storage

		@param xDest
			a destination storage

		@param sNewName
			the name of the result element in destination storage

		@throws ::com::sun::star::embed::InvalidStorageException
			this storage is in invalid state for eny reason

		@throws ::com::sun::star::container::NoSuchElementException
			there is no specified source element in this storage

		@throws ::com::sun::star::container::ElementExistException
			an element with specified destination name already exists in destination storage

		@throws ::com::sun::star::io::IOException
			in case of io errors during moving

		@throws ::com::sun::star::embed::StorageWrappedTargetException
			wraps other exceptions

	 */
    void moveElementTo(
			[in] string sElementName,
			[in] XStorage xDest,
			[in] string sNewName )
		raises( ::com::sun::star::embed::InvalidStorageException,
				::com::sun::star::lang::IllegalArgumentException,
				::com::sun::star::container::NoSuchElementException,
				::com::sun::star::container::ElementExistException,
				::com::sun::star::io::IOException,
				::com::sun::star::embed::StorageWrappedTargetException );

};

//============================================================================

}; }; }; };

#endif