CEzlibExample Class Reference

List of all members.

Public Member Functions
	~CEzlibExample ()
void	OpenZipFileL (RFs &aFsSession)
void	GetPropertiesL (TFileName &aFileName, RFs &aFsSession)
void	ExtractFilesL (const CZipFileMember *aMember, CZipFile *aZipFile, RFs &aFsSession, const TDesC &aOutputPath)
void	CompressToGzipFileL (RFs &aFsSession)
void	ExtractGzipFileL (RFs &aFsSession)
Static Public Member Functions
static CEzlibExample *	NewLC ()

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Detailed Description

Demonstrates the use of the Symbian platform Ezlib component to zip and unzip .GZ files and unzip .ZIP files. CEzlibExample publicly inherits from CBase, which is the base class for all classes to be instantiated on the heap.

Definition at line 46 of file ezlibexample.h.

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Constructor & Destructor Documentation

CEzlibExample::~CEzlibExample

(

)

Destructor

Definition at line 116 of file ezlibexample.cpp.

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Member Function Documentation

CEzlibExample * CEzlibExample::NewLC

(

)

[static]

Allocates and constructs a CEzlibExample object and leaves it on the cleanup stack. Initialises all member data to their default values.

Definition at line 91 of file ezlibexample.cpp.

void CEzlibExample::GetPropertiesL	(	TFileName &	aFileName,
		RFs &	aFsSession
	)

Gets the properties of each member of the zip file passed to it and prints it on the console.

Parameters:

	aFileName	Pointer to a file whose properties are to be fetched.
	aFsSession	File server session handle

KZipArchiveError KZipFileIOError KCentralDirectoryTrailerNotFound KCentralDirectoryTrailerInvalid KMultiDiskArchivesNotSupported ... A system-wide error code.

Definition at line 139 of file ezlibexample.cpp.

void CEzlibExample::ExtractFilesL	(	const CZipFileMember *	aMember,
		CZipFile *	aZipFile,
		RFs &	aFsSession,
		const TDesC &	aOutputPath
	)

Extracts and saves the members of a zip file to the directory passed to the function as aOutputPath.

Parameters:

	aMember	Pointer to CZipFileMember class
	aZipFile	Pointer to CZipFile class
	aFsSession	File server session handle
	aOutputPath	Path where the file needs to be extracted to

... A system-wide error code.

Definition at line 234 of file ezlibexample.cpp.

void CEzlibExample::CompressToGzipFileL

(

RFs &

aFsSession

)

Compresses the error.wav file into a gzip file and stores it in the c:\private\e80000b7\gzip\extracts directory.

Parameters:

aFsSession

File server session handle KErrAlreadyExists ... A system-wide error code.

Definition at line 369 of file ezlibexample.cpp.

void CEzlibExample::ExtractGzipFileL

(

RFs &

aFsSession

)

Opens the icon.bmp.gz file and decompresses it to the c:\private\e80000b7\gzip\extracts directory.

Parameters:

aFsSession

File server session handle KErrAlreadyExists ... A system-wide error code.

Definition at line 301 of file ezlibexample.cpp.