Package com.luciad.ogc.sld.view.gxy

Class TLcdSLDContext

java.lang.Object

com.luciad.ogc.sld.view.gxy.TLcdSLDContext

public class TLcdSLDContext
extends Object

A container class expressing the context in which a style should be interpreted. It contains :

• an ILcdOGCFilterEvaluator,
• an ILcdGeoReference,
• an ILcdOGCFeatureIDRetriever,
• an ILcdPropertyRetrieverProvider and
• an ILcdSLDOnlineResourceResolver.

Constructor Summary

Constructors

Constructor	Description
TLcdSLDContext(ILcdOGCFilterEvaluator aFilterEvaluator, ILcdGeoReference aReference, ILcdOGCFeatureIDRetriever aFeatureIdRetriever, ILcdPropertyRetrieverProvider aPropertyRetrieverProvider)	Creates a new SLD context.
TLcdSLDContext(ILcdOGCFilterEvaluator aFilterEvaluator, ILcdGeoReference aReference, ILcdOGCFeatureIDRetriever aFeatureIdRetriever, ILcdPropertyRetrieverProvider aPropertyRetrieverProvider, ILcdSLDOnlineResourceResolver aOnlineResourceResolver)	Creates a new SLD context.

Method Summary

Modifier and Type	Method	Description
ILcdOGCFeatureIDRetriever	getFeatureIdRetriever()	Returns the feature id retriever set to this context.
TLcdOGCFilterContext	getFilterContext()	Returns a filter context based on the geo reference, feature id retriever and property retriever provider set to this SLD context.
ILcdOGCFilterEvaluator	getFilterEvaluator()	Returns the filter evaluator set to this context.
ILcdGeoReference	getGeoReference()	Returns the geo reference set to this context.
ILcdSLDOnlineResourceResolver	getOnlineResourceResolver()	Returns a resolver for TLcdSLDOnlineResource instances.
ILcdPropertyRetrieverProvider	getPropertyRetrieverProvider()	Returns the property retriever provider set to this context.

Methods inherited from class java.lang.Object

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

Constructor Details

TLcdSLDContext

public TLcdSLDContext(ILcdOGCFilterEvaluator aFilterEvaluator,
 ILcdGeoReference aReference,
 ILcdOGCFeatureIDRetriever aFeatureIdRetriever,
 ILcdPropertyRetrieverProvider aPropertyRetrieverProvider)

Creates a new SLD context. By default, an ILcdSLDOnlineResourceResolver is used that returns the resource's href property.

Parameters:

aFilterEvaluator - a filter evaluator, for example TLcdOGCFilterEvaluator

aReference - The reference for geometries, usually the model reference.

aFeatureIdRetriever - An interface to retrieve id's from model objects

aPropertyRetrieverProvider - The property retrieve that is used to evaluate XPath's against model objects.

See Also:

• ILcdPropertyRetrieverProvider.createDefaultPropertyRetrieverProvider(ILcdModel)

TLcdSLDContext

public TLcdSLDContext(ILcdOGCFilterEvaluator aFilterEvaluator,
 ILcdGeoReference aReference,
 ILcdOGCFeatureIDRetriever aFeatureIdRetriever,
 ILcdPropertyRetrieverProvider aPropertyRetrieverProvider,
 ILcdSLDOnlineResourceResolver aOnlineResourceResolver)

Creates a new SLD context.

Parameters:

aFilterEvaluator - a filter evaluator, for example TLcdOGCFilterEvaluator

aReference - The reference for geometries, usually the model reference.

aFeatureIdRetriever - An interface to retrieve id's from model objects

aPropertyRetrieverProvider - The property retrieve that is used to evaluate XPath's against model objects.

aOnlineResourceResolver - The online resource resolver that is used to retrieve the path to external icons.

Since:

2023.0

See Also:

• ILcdPropertyRetrieverProvider.createDefaultPropertyRetrieverProvider(ILcdModel)

Method Details

getFilterEvaluator

public ILcdOGCFilterEvaluator getFilterEvaluator()

Returns the filter evaluator set to this context.

Returns:

the filter evaluator set to this context.

getGeoReference

public ILcdGeoReference getGeoReference()

Returns the geo reference set to this context.

Returns:

the geo reference set to this context.

getFeatureIdRetriever

public ILcdOGCFeatureIDRetriever getFeatureIdRetriever()

Returns the feature id retriever set to this context.

Returns:

the feature id retriever set to this context.

getPropertyRetrieverProvider

public ILcdPropertyRetrieverProvider getPropertyRetrieverProvider()

Returns the property retriever provider set to this context.

This provider is not necessarily the same as the one passed in the constructor. For example to improve the performance of SLD styling and filtering, the returned provider can be a decorated instance of the one passed in the constructor to add caching.

Returns:

the property retriever provider set to this context.

getFilterContext

public TLcdOGCFilterContext getFilterContext()

Returns a filter context based on the geo reference, feature id retriever and property retriever provider set to this SLD context.

Returns:

a filter context based on the geo reference, feature id retriever and property retriever provider set to this SLD context. The same instance is returned every time.

getOnlineResourceResolver

public ILcdSLDOnlineResourceResolver getOnlineResourceResolver()

Returns a resolver for TLcdSLDOnlineResource instances. An TLcdSLDOnlineResource is used to represent the link to an external graphic. By default, the location is stored in the resource's href property. By plugging in a resolver, you can customize this location; for example, to replace a relative path with an absolute path.

Returns:

a resolver for TLcdSLDOnlineResource instances.

Since:

2023.0