Package de.hybris.platform.impex.jalo.header

Class AbstractDescriptor

java.lang.Object

de.hybris.platform.impex.jalo.header.AbstractDescriptor

Direct Known Subclasses:

AbstractColumnDescriptor, HeaderDescriptor

public abstract class AbstractDescriptor
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AbstractDescriptor.ColumnParams
static class	AbstractDescriptor.DescriptorParams
static class	AbstractDescriptor.HeaderParams

Constructor Summary

Constructors

Constructor	Description
AbstractDescriptor(String expr)	Self-parsing constructor.
AbstractDescriptor(String expr, AbstractDescriptor.DescriptorParams params)	Non-parsing constructor.

Method Summary

Modifier and Type	Method	Description
protected abstract HeaderCellTranslator	createTranslator(String expr)	Creates the translator class which parses the own definition text of this descriptor.
static final List<AbstractDescriptor.ColumnParams>[]	extractItemPathElements(String expr)	Parses pattern elements as follows:
static Map<String,String>	extractModifiersMap(String expression)	Helper method to extract modifiers from the definition text of the following syntax:
String	getDefinitionSrc()
AbstractDescriptor.DescriptorParams	getDescriptorData()
protected HeaderCellTranslator	getDescriptorTranslator()
static final AbstractDescriptor.ColumnParams	parseColumnDescriptor(String expr)	Parses column descriptors like this:
static final AbstractDescriptor.HeaderParams	parseHeaderDescriptor(String expr)	Parses header descriptors like this:
protected abstract void	validate()

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractDescriptor

public AbstractDescriptor(String expr,
 AbstractDescriptor.DescriptorParams params)
                   throws HeaderValidationException

Non-parsing constructor.

Parameters:

expr - source (optional)

params - the already parsed header params

Throws:

HeaderValidationException

AbstractDescriptor

public AbstractDescriptor(String expr)
                   throws HeaderValidationException

Self-parsing constructor.

Parameters:

expr -

Throws:

HeaderValidationException

Method Details

getDefinitionSrc

public String getDefinitionSrc()

getDescriptorTranslator

protected HeaderCellTranslator getDescriptorTranslator()

createTranslator

protected abstract HeaderCellTranslator createTranslator(String expr)

Creates the translator class which parses the own definition text of this descriptor.

Parameters:

expr - the definition text

Returns:

the translator instance

getDescriptorData

public AbstractDescriptor.DescriptorParams getDescriptorData()

Returns:

the parsed descriptor data object.

extractModifiersMap

public static Map<String,String> extractModifiersMap(String expression)
                                              throws HeaderValidationException

Helper method to extract modifiers from the definition text of the following syntax:

    {key} '=' ( {value} | '\''{value} '\'' ) ( ',' {key} '=' ( {value} | '\''{value} '\'' ) )*
 

.

Parameters:

expression -

Returns:

Map

Throws:

HeaderValidationException

extractItemPathElements

public static final List<AbstractDescriptor.ColumnParams>[] extractItemPathElements(String expr)
                                                                             throws HeaderValidationException

Parses pattern elements as follows:

    {qualifer}('['{modifiersExpr}']')? (','{qualifer}('['{modifiersExpr}']')?)*
 

Parameters:

expr -

Returns:

List

Throws:

HeaderValidationException

parseHeaderDescriptor

public static final AbstractDescriptor.HeaderParams parseHeaderDescriptor(String expr)
                                                                   throws HeaderValidationException

Parses header descriptors like this:

    {mode} {type} ( '[' {modifiersExpr} ']'
 

.

Parameters:

expr -

Returns:

HeaderParams

Throws:

HeaderValidationException

parseColumnDescriptor

public static final AbstractDescriptor.ColumnParams parseColumnDescriptor(String expr)
                                                                   throws HeaderValidationException

Parses column descriptors like this:

    {qualifier} ( '(' {itemPathExpr} ')' )? ( '[' {modifierExpr} ']' ) ?
 

Parameters:

expr -

Returns:

ColumnParams

Throws:

HeaderValidationException

validate

protected abstract void validate()
                          throws HeaderValidationException

Throws:

HeaderValidationException