FontFactoryImpl

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org.extex.font
Class FontFactoryImpl

java.lang.Object
  org.extex.framework.AbstractFactory
      org.extex.font.FontFactoryImpl

All Implemented Interfaces:: BackendFontFactory, CoreFontFactory, Configurable, LogEnabled, RegistrarObserver, PropertyAware, ResourceAware, ResourceFinder

public class FontFactoryImpl
extends AbstractFactory
implements CoreFontFactory, ResourceAware, Configurable, PropertyAware, BackendFontFactory, LogEnabled
extends AbstractFactory
implements CoreFontFactory, ResourceAware, Configurable, PropertyAware, BackendFontFactory, LogEnabled

Factory to load a font. The factory uses a cache (a weak map) to increase the speed.

Version:: $Revision: 6871 $
Author:: Michael Niedermair, Gerd Neugebauer

Field Summary

Fields inherited from class org.extex.framework.AbstractFactory
`CLASS_ATTRIBUTE, DEFAULT_ATTRIBUTE, SELECT_ATTRIBUTE`

Constructor Summary
`FontFactoryImpl()` Creates a new object.

Method Summary
`void`	`configure(Configuration configuration)` Configure an object according to a given Configuration.
`BackendFontManager`	`createManager(java.util.List<java.lang.String> fontTypes)` Create a manager for the back-end font.
`void`	`enableTracing(boolean flag)` Enable or disable the tracing.
`NamedInputStream`	`findResource(java.lang.String name, java.lang.String type)` Find a resource which can be used for reading.
`BackendFont`	`getBackendFont(FontKey key)` Return the font for the backend.
`FontKey`	`getFontKey(FontKey fontKey, FixedDimen size)` Returns a font key for the font.
`FontKey`	`getFontKey(java.lang.String fontName)` Returns a font key for the font.
`FontKey`	`getFontKey(java.lang.String fontName, FixedDimen size)` Returns a font key for the font.
`FontKey`	`getFontKey(java.lang.String fontName, FixedDimen size, java.util.Map<java.lang.String,?> map)` Returns a font key for the font.
`FontKey`	`getFontKey(java.lang.String fontName, FixedDimen size, java.util.Map<java.lang.String,?> map, java.util.List<java.lang.String> feature)` Returns a font key for the font.
`ExtexFont`	`getInstance(FontKey key)` Return a new instance.
`java.util.Properties`	`getProp()` Getter for prop.
`void`	`setProperties(java.util.Properties properties)` Setter for the properties.
`void`	`setResourceFinder(ResourceFinder finder)` Setter for the resource finder.

Methods inherited from class org.extex.framework.AbstractFactory
`configure, createInstance, createInstance, createInstance, createInstance, createInstanceForConfiguration, createInstanceForConfiguration, createInstanceForConfiguration, enableLogging, enableLogging, getConfiguration, getLogger, getResourceFinder, reconnect, selectConfiguration`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.extex.framework.logger.LogEnabled
`enableLogging`

Constructor Detail

FontFactoryImpl

public FontFactoryImpl()

Creates a new object.

Method Detail

configure

public void configure(Configuration configuration)
               throws ConfigurationException

Configure an object according to a given Configuration.

Specified by:: configure in interface Configurable
Overrides:: configure in class AbstractFactory

Parameters:: configuration - the configuration object to consider
Throws:: ConfigurationException - in case that something went wrong
See Also:: Configurable.configure( org.extex.framework.configuration.Configuration)

createManager

public BackendFontManager createManager(java.util.List<java.lang.String> fontTypes)
                                 throws ConfigurationException

Create a manager for the back-end font.

Specified by:: createManager in interface CoreFontFactory

Parameters:: fontTypes - the font types, which the back-end can use. The order of the entries in the list determine the preference for the font format. This should be taken into account when several alternatives are possible.
Returns:: the new manager.
Throws:: ConfigurationException - from the configuration system.
See Also:: CoreFontFactory.createManager(java.util.List)

enableTracing

public void enableTracing(boolean flag)

Description copied from interface: ResourceFinder

Enable or disable the tracing. The argument indicates whether tracing should be enabled or disabled. The resource finder can decide on its own how to perform tracing. The preferred way is to write tracing records to a logger.

Specified by:: enableTracing in interface ResourceFinder

Parameters:: flag - indicator whether tracing should be turned on or off.
See Also:: ResourceFinder.enableTracing(boolean)

findResource

public NamedInputStream findResource(java.lang.String name,
                                     java.lang.String type)
                              throws ConfigurationException

Description copied from interface: ResourceFinder

Find a resource which can be used for reading. If the search fails then null is returned.

Specified by:: findResource in interface ResourceFinder

Parameters:: name - the base name of the resource; type - the type, i.e. the extension
Returns:: the file or null if none could be found
Throws:: ConfigurationException - in case of an exception
See Also:: ResourceFinder.findResource(java.lang.String, java.lang.String)

getBackendFont

public BackendFont getBackendFont(FontKey key)
                           throws FontException

Return the font for the backend. If no font is found, then null is returned.

Specified by:: getBackendFont in interface BackendFontFactory

Parameters:: key - the fount key
Returns:: Returns the font instance.
Throws:: FontException - if a font error occurred.
See Also:: BackendFontFactory.getBackendFont(org.extex.font.FontKey)