org.apache.clerezza.templating.seedsnipe.graphnodeadapter

Class GraphNodeDataFieldResolver

java.lang.Object

org.apache.clerezza.templating.seedsnipe.datastructure.DataFieldResolver

org.apache.clerezza.templating.seedsnipe.graphnodeadapter.GraphNodeDataFieldResolver

public class GraphNodeDataFieldResolver
extends DataFieldResolver

Data Model for GraphNode to be used with DefaultParser.

It is used by DefaultParser to resolve RDF data fields in templates.

Author:

reto

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GraphNodeDataFieldResolver.PropertyKey

Constructor Summary

Constructors

Constructor and Description
GraphNodeDataFieldResolver(GraphNode node, RenderingFunctions renderingFunctions) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
String	resolve(String fieldName, int[] arrayPos) invokes resolveAsObject and transforms its result to a String
Object	resolveAsObject(String fieldName, int[] arrayPos) This method resolves the specified fieldName to its object value, if any level of the fieldName is an array, the corresponding entry in arrayPos is used for resolution.

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphNodeDataFieldResolver

public GraphNodeDataFieldResolver(GraphNode node,
                          RenderingFunctions renderingFunctions)

Constructor.

Parameters:

node - An RDF resource.

Method Detail

resolveAsObject

public Object resolveAsObject(String fieldName,
                     int[] arrayPos)
                       throws FieldDoesNotHaveDimensionException,
                              FieldIndexOutOfBoundsException,
                              InvalidElementException,
                              IOException

Description copied from class: DataFieldResolver

This method resolves the specified fieldName to its object value, if any level of the fieldName is an array, the corresponding entry in arrayPos is used for resolution.

Specified by:

resolveAsObject in class DataFieldResolver

Parameters:

fieldName - name of the data field to resolve.

arrayPos - An array containing array indices (the loop variables) for array fields.

Returns:

The java object the field maps to.

Throws:

FieldDoesNotHaveDimensionException - If arrayPos is longer than the field has dimensions.

FieldIndexOutOfBoundsException - If a value of arrayPos is larger than the number of elements in field.

InvalidElementException - If field-name is invalid.

IOException

resolve

public String resolve(String fieldName,
             int[] arrayPos)
               throws FieldDoesNotHaveDimensionException,
                      FieldIndexOutOfBoundsException,
                      InvalidElementException,
                      IOException

Description copied from class: DataFieldResolver

invokes resolveAsObject and transforms its result to a String

Overrides:

resolve in class DataFieldResolver

Parameters:

fieldName - name of the data field to resolve.

arrayPos - An array containing array indices (the loop variables) for array fields.

Returns:

The string representation (obtained by invoking .toString()) of the resolved object.

Throws:

FieldDoesNotHaveDimensionException - If arrayPos is longer than the field has dimensions.

FieldIndexOutOfBoundsException - If a value of arrayPos is larger than the number of elements in field.

InvalidElementException - If field-name is invalid.

IOException