de.saxsys.svgfx.xml.core

Class AttributeHolder<TAttribute extends AttributeWrapper>

java.lang.Object

de.saxsys.svgfx.xml.core.AttributeHolder<TAttribute>

Type Parameters:

TAttribute - the type of the content that is stored.

Direct Known Subclasses:

SVGAttributeHolder

public abstract class AttributeHolder<TAttribute extends AttributeWrapper>
extends Object

This class simply hold a Map of String and AttributeWrapper. Its main purpose is to handle the splitting and storage of data which is represented by a key and has a certain content, where as the content is described as the TAttribute.

Author:

Xyanid on 13.03.2016.

Constructor Summary

Constructors

Constructor and Description
AttributeHolder()

Method Summary

Modifier and Type	Method and Description
abstract TAttribute	createAttributeType(String name) This method is used each time a new AttributeWrapper is needed.
Optional<TAttribute>	getAttribute(String name) Returns the TAttribute in attributes using the provided key or null if no such content type exist.
<TContent extends TAttribute> Optional<TContent>	getAttribute(String name, Class<TContent> clazz) Returns the TAttribute in the attributes as the desired type using the provided key or null if no such content type exist.
<TContent extends TAttribute> TContent	getAttributeOrFail(String name, Class<TContent> clazz) Returns the TAttribute in the attributes as the desired type using the provided key or throws an IllegalArgumentException of the attribute does not exit.
Map<String,TAttribute>	getAttributes() Returns the attributes.

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeHolder

public AttributeHolder()

Method Detail

createAttributeType

public abstract TAttribute createAttributeType(String name)

This method is used each time a new AttributeWrapper is needed.

Parameters:

name - the name of the content type to be created.

Returns:

a new TAttribute for the given name.

getAttributes

public final Map<String,TAttribute> getAttributes()

Returns the attributes.

Returns:

the attributes.

getAttribute

public final Optional<TAttribute> getAttribute(String name)

Returns the TAttribute in attributes using the provided key or null if no such content type exist.

Parameters:

name - name of the content.

Returns:

a new Optional containing the attribute or Optional.EMPTY if the desired attribute does not exist.

getAttribute

public final <TContent extends TAttribute> Optional<TContent> getAttribute(String name,
                                                                           Class<TContent> clazz)

Returns the TAttribute in the attributes as the desired type using the provided key or null if no such content type exist.

Type Parameters:

TContent - type of the content desired.

Parameters:

name - name of the property

clazz - class of the type of the property used for casting.

Returns:

a new Optional containing the attribute or Optional.EMPTY if the desired attribute does not exist.

getAttributeOrFail

public final <TContent extends TAttribute> TContent getAttributeOrFail(String name,
                                                                       Class<TContent> clazz)
                                                                throws SVGException

Returns the TAttribute in the attributes as the desired type using the provided key or throws an IllegalArgumentException of the attribute does not exit.

Type Parameters:

TContent - type of the content desired.

Parameters:

name - name of the property

clazz - class of the type of the property used for casting.

Returns:

the desired attribute as the TAttribute.

Throws:

SVGException - if the desired attribute does not exist.