Package com.inductiveautomation.perspective.gateway.assets.fonts

Class FontManagerImpl

java.lang.Object

com.inductiveautomation.ignition.common.lifecycle.AbstractLifecycle

com.inductiveautomation.perspective.gateway.assets.AbstractAssetManager<PerspectiveFont,byte[]>

com.inductiveautomation.perspective.gateway.assets.fonts.FontManagerImpl

All Implemented Interfaces:

FontManager

public class FontManagerImpl
extends AbstractAssetManager<PerspectiveFont,byte[]>
implements FontManager

Field Summary

Fields inherited from class com.inductiveautomation.perspective.gateway.assets.AbstractAssetManager

assetPath, cacheLock, perspectiveContext

Constructor Summary

Constructors

Constructor	Description
FontManagerImpl(PerspectiveContext perspectiveContext)

Method Summary

Modifier and Type	Method	Description
Optional<PerspectiveFont>	generateKey(Path path)	Generate a cache key for the given Path
Optional<InputStream>	getFont(String fontName, String fontStyle, PerspectiveFontType fontType)	Returns a stream of the raw font's bytes identified by the given name, style, and type
List<PerspectiveFont>	getFonts()	Returns a copy of the list of all of the managed fonts
protected Optional<byte[]>	parseValue(Path path)	Parse the cache value for the given Path

Methods inherited from class com.inductiveautomation.perspective.gateway.assets.AbstractAssetManager

copyInputStreamToPath, copyInputStreamToPath, copyOptions, getCache, getCachedValue, getDigestCopy, getDigestFor, onCacheChanged, onShutdown, onStartup, setup

Methods inherited from class com.inductiveautomation.ignition.common.lifecycle.AbstractLifecycle

isRunning, shutdown, startup

Methods inherited from class java.lang.Object

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

Constructor Details

FontManagerImpl

public FontManagerImpl(@Nonnull
 PerspectiveContext perspectiveContext)

Method Details

getFonts

@Nonnull
public List<PerspectiveFont> getFonts()

Description copied from interface: FontManager

Returns a copy of the list of all of the managed fonts

Specified by:

getFonts in interface FontManager

Returns:

A List of all managed fonts

getFont

@Nonnull
public Optional<InputStream> getFont(String fontName,
 String fontStyle,
 PerspectiveFontType fontType)

Description copied from interface: FontManager

Returns a stream of the raw font's bytes identified by the given name, style, and type

Specified by:

getFont in interface FontManager

Parameters:

fontName - The name of the font to fetch

fontStyle - The style of the font to fetch

fontType - The type of the font to fetch

Returns:

An Optional containing the InputStream of raw bytes for the font with the given name, style, and type or an empty Optional of no such font is managed with the given name, style, and type

generateKey

@Nonnull
public Optional<PerspectiveFont> generateKey(@Nonnull
 Path path)

Description copied from class: AbstractAssetManager

Generate a cache key for the given Path

Specified by:

generateKey in class AbstractAssetManager<PerspectiveFont,byte[]>

Parameters:

path - The Path for which we want to generate a cache key

Returns:

An Optional containing the cache key or an empty Optional if the cache key could not be generated

parseValue

@Nonnull
protected Optional<byte[]> parseValue(@Nonnull
 Path path)

Description copied from class: AbstractAssetManager

Parse the cache value for the given Path

Specified by:

parseValue in class AbstractAssetManager<PerspectiveFont,byte[]>

Parameters:

path - The Path for which we want to generate a cache value

Returns:

An Optional containing the cache value or an empty Optional if the cache value could not be generated