Class ImageFactory

java.lang.Object

com.ibm.dtfj.image.j9.ImageFactory

All Implemented Interfaces:

ImageFactory

public class ImageFactory
extends Object
implements ImageFactory

Field Summary

Fields declared in interface ImageFactory

DTFJ_LOGGER_NAME, DTFJ_MAJOR_VERSION, DTFJ_MINOR_VERSION, SYSTEM_PROPERTY_TMPDIR

Modifier and Type	Field	Description
static final String	DTFJ_LOGGER_NAME	This is the name of the java.util.logging.Logger subsystem to which DTFJ passes verbose messages.
static final int	DTFJ_MAJOR_VERSION	The major version number of the current API.
static final int	DTFJ_MINOR_VERSION	The minor version number of the current API.
static final String	SYSTEM_PROPERTY_TMPDIR	If the image is to be created from a core file inside an archive, this property controls where the file will extracted.

Constructor Summary

Constructors

Constructor	Description
ImageFactory()	This public constructor is intended for use with Class.newInstance().

Method Summary

Modifier and Type	Method	Description
int	getDTFJMajorVersion()	Fetch the DTFJ major version number.
int	getDTFJMinorVersion()	Fetch the DTFJ minor version number.
int	getDTFJModificationLevel()	Fetch the DTFJ modification level.
Image	getImage(File imageFile)	Creates a new Image object based on the contents of imageFile
Image	getImage(File imageFile, File metadata)	Creates a new Image object based on the contents of imageFile and metadata
Image	getImage(ImageInputStream in, URI sourceID)	Creates a new Image object based on the contents of input stream
Image	getImage(ImageInputStream in, ImageInputStream meta, URI sourceID)	Creates a new Image object based on the contents of input stream
Image[]	getImagesFromArchive(File archive, boolean extract)	Creates an array of Image objects from an archive such as a zip or jar file.

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ImageFactory

public ImageFactory()

This public constructor is intended for use with Class.newInstance(). This class will generally be referred to by name (e.g. using Class.forName()).

See Also:

• ImageFactory

Method Details

getImagesFromArchive

public Image[] getImagesFromArchive(File archive,
 boolean extract)
                             throws IOException

Description copied from interface: ImageFactory

Creates an array of Image objects from an archive such as a zip or jar file.

Specified by:

getImagesFromArchive in interface ImageFactory

Parameters:

archive - which typically contains one or more diagnostic artifacts

extract - true if the files in the archive should be extracted to a temporary directory

Returns:

an array of Images

Throws:

IOException - if there's a problem reading the specified archive

getImage

public Image getImage(File imageFile)
               throws IOException

Creates a new Image object based on the contents of imageFile

Specified by:

getImage in interface ImageFactory

Parameters:

imageFile - a file with Image information, typically a core file but may also be a container such as a zip

Returns:

an instance of Image (null if no image can be constructed from the given file)

Throws:

IOException

getImage

public Image getImage(ImageInputStream in,
 URI sourceID)
               throws IOException

Creates a new Image object based on the contents of input stream

Specified by:

getImage in interface ImageFactory

Parameters:

in - a stream with image information, typically a core file

sourceID - URI identifying the source of the image stream

imageFile - a file with Image information, typically a core file but may also be a container such as a zip

Returns:

an instance of Image (null if no image can be constructed from the given file)

Throws:

IOException

getImage

public Image getImage(ImageInputStream in,
 ImageInputStream meta,
 URI sourceID)
               throws IOException

Creates a new Image object based on the contents of input stream

Specified by:

getImage in interface ImageFactory

Parameters:

in - a stream with image information, typically a core file

meta - a stream with metadata associated with the image stream

sourceID - URI identifying the source of the image stream

imageFile - a file with Image information, typically a core file but may also be a container such as a zip

Returns:

an instance of Image (null if no image can be constructed from the given file)

Throws:

IOException

getImage

public Image getImage(File imageFile,
 File metadata)
               throws IOException

Creates a new Image object based on the contents of imageFile and metadata

Specified by:

getImage in interface ImageFactory

Parameters:

imageFile - a file with Image information, typically a core file

metadata - a file with additional Image information. This is an implementation defined file

Returns:

an instance of Image

Throws:

IOException

getDTFJMajorVersion

public int getDTFJMajorVersion()

Description copied from interface: ImageFactory

Fetch the DTFJ major version number.

Specified by:

getDTFJMajorVersion in interface ImageFactory

Returns:

an integer corresponding to the DTFJ API major version number

getDTFJMinorVersion

public int getDTFJMinorVersion()

Description copied from interface: ImageFactory

Fetch the DTFJ minor version number.

Specified by:

getDTFJMinorVersion in interface ImageFactory

Returns:

an integer corresponding to the DTFJ API minor version number

getDTFJModificationLevel

public int getDTFJModificationLevel()

Description copied from interface: ImageFactory

Fetch the DTFJ modification level.

Specified by:

getDTFJModificationLevel in interface ImageFactory

Returns:

an integer corresponding to the DTFJ API modification level