Package org.eclipse.xtext.preferences

Class TypedPreferenceKey<T>

java.lang.Object

org.eclipse.xtext.preferences.PreferenceKey

org.eclipse.xtext.preferences.TypedPreferenceKey<T>

Direct Known Subclasses:

BooleanKey, EnumKey, IntegerKey, StringKey

public abstract class TypedPreferenceKey<T>
extends PreferenceKey

Typed extension to preference keys

Since:

2.26

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TypedPreferenceKey(java.lang.String id, java.lang.String defaultValue)	Constructor that uses the internal representation of the default value.

Method Summary

Modifier and Type	Method	Description
abstract java.lang.String	toString(T value)	Convert the given value to its string representation.
abstract T	toValue(java.lang.String string)	Convert the given string to its type-safe value.

Methods inherited from class org.eclipse.xtext.preferences.PreferenceKey

equals, getDefaultValue, getId, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TypedPreferenceKey

protected TypedPreferenceKey(java.lang.String id,
                             java.lang.String defaultValue)

Constructor that uses the internal representation of the default value. Concrete implementations are expected to offer a constructor with a type-safe default value.

Method Detail

toString

public abstract java.lang.String toString(T value)

Convert the given value to its string representation. A null value is converted to a null string.

toValue

public abstract T toValue(java.lang.String string)

Convert the given string to its type-safe value. The null string is converted to the null value.

Throws:

java.lang.IllegalArgumentException - if the given string is not a valid representation.