de.lmu.ifi.dbs.elki.visualization.batikutil

Class ThumbnailRegistryEntry

java.lang.Object

org.apache.batik.ext.awt.image.spi.AbstractRegistryEntry

de.lmu.ifi.dbs.elki.visualization.batikutil.ThumbnailRegistryEntry

All Implemented Interfaces:

ErrorConstants, RegistryEntry, URLRegistryEntry, ParsedURLProtocolHandler

public class ThumbnailRegistryEntry
extends AbstractRegistryEntry
implements URLRegistryEntry, ParsedURLProtocolHandler

Access images via an internal image registry.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) class	ThumbnailRegistryEntry.InternalParsedURLData URL representation for internal URLs.

Field Summary

Fields

Modifier and Type	Field and Description
private static int	counter Object counter
private static TIntObjectMap<SoftReference<RenderedImage>>	images The image cache.
static String	INTERNAL_MIME_TYPE Mime type
static String	INTERNAL_PREFIX ELKI internal thumbnail protocol prefix
static String	INTERNAL_PROTOCOL ELKI internal thumbnail protocol id.
private static Logging	LOG The logger class.
static float	PRIORITY The priority of this entry.

Fields inherited from interface org.apache.batik.ext.awt.image.spi.ErrorConstants

ERR_STREAM_FORMAT_UNREADABLE, ERR_STREAM_UNREADABLE, ERR_URL_FORMAT_UNREADABLE, ERR_URL_UNINTERPRETABLE, ERR_URL_UNREACHABLE, RESOURCES

Constructor Summary

Constructors

Constructor and Description
ThumbnailRegistryEntry() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
String	getProtocolHandled()
static Filter	handleURL(ParsedURL url) Statically handle the URL access.
Filter	handleURL(ParsedURL url, boolean needRawData)
boolean	isCompatibleURL(ParsedURL url)
static boolean	isCompatibleURLStatic(ParsedURL url) Test for a compatible URL.
ParsedURLData	parseURL(ParsedURL basepurl, String urlStr)
ParsedURLData	parseURL(String urlStr)
static int	registerImage(RenderedImage img) Put an image into the repository (note: the repository is only keeping a weak reference!)

Methods inherited from class org.apache.batik.ext.awt.image.spi.AbstractRegistryEntry

getFormatName, getMimeTypes, getPriority, getStandardExtensions

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.batik.ext.awt.image.spi.RegistryEntry

getFormatName, getMimeTypes, getPriority, getStandardExtensions

Field Detail

INTERNAL_PROTOCOL

public static final String INTERNAL_PROTOCOL

ELKI internal thumbnail protocol id.

See Also:

Constant Field Values

INTERNAL_PREFIX

public static final String INTERNAL_PREFIX

ELKI internal thumbnail protocol prefix

See Also:

Constant Field Values

INTERNAL_MIME_TYPE

public static final String INTERNAL_MIME_TYPE

Mime type

See Also:

Constant Field Values

PRIORITY

public static final float PRIORITY

The priority of this entry.

See Also:

Constant Field Values

LOG

private static final Logging LOG

The logger class.

images

private static final TIntObjectMap<SoftReference<RenderedImage>> images

The image cache.

counter

private static int counter

Object counter

Constructor Detail

ThumbnailRegistryEntry

public ThumbnailRegistryEntry()

Constructor. Note: there will usually be two instances created. One for handling the image type, one for the URL handling. This is ok.

Method Detail

registerImage

public static int registerImage(RenderedImage img)

Put an image into the repository (note: the repository is only keeping a weak reference!)

Parameters:

img - Image to put

Returns:

Key

isCompatibleURL

public boolean isCompatibleURL(ParsedURL url)

Specified by:

isCompatibleURL in interface URLRegistryEntry

isCompatibleURLStatic

public static boolean isCompatibleURLStatic(ParsedURL url)

Test for a compatible URL.

Parameters:

url - URL

Returns:

Success code

handleURL

public Filter handleURL(ParsedURL url,
               boolean needRawData)

Specified by:

handleURL in interface URLRegistryEntry

handleURL

public static Filter handleURL(ParsedURL url)

Statically handle the URL access.

Parameters:

url - URL to access

Returns:

Image, or null

parseURL

public ParsedURLData parseURL(String urlStr)

Specified by:

parseURL in interface ParsedURLProtocolHandler

parseURL

public ParsedURLData parseURL(ParsedURL basepurl,
                     String urlStr)

Specified by:

parseURL in interface ParsedURLProtocolHandler

getProtocolHandled

public String getProtocolHandled()

Specified by:

getProtocolHandled in interface ParsedURLProtocolHandler