org.eclipse.xtext.conversion.impl
Class AbstractNullSafeConverter<T>
java.lang.Object
org.eclipse.xtext.conversion.impl.AbstractValueConverter<T>
org.eclipse.xtext.conversion.impl.AbstractNullSafeConverter<T>
- All Implemented Interfaces:
- IValueConverter<T>
- Direct Known Subclasses:
- AbstractToStringConverter
public abstract class AbstractNullSafeConverter<T>
- extends AbstractValueConverter<T>
- Author:
- Sven Efftinge - Initial contribution and API
Method Summary |
protected abstract java.lang.String |
internalToString(T value)
|
protected abstract T |
internalToValue(java.lang.String string,
INode node)
|
java.lang.String |
toString(T value)
Transforms the given value to a string that is conformant to the expected
terminal or data type rule. |
T |
toValue(java.lang.String string,
INode node)
Creates a value from the given input. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
AbstractNullSafeConverter
public AbstractNullSafeConverter()
toString
public java.lang.String toString(T value)
- Description copied from interface:
IValueConverter
- Transforms the given value to a string that is conformant to the expected
terminal or data type rule.
- Parameters:
value
- the to-be-transformed value
- Returns:
- a string represenation for that value.
internalToString
protected abstract java.lang.String internalToString(T value)
toValue
public T toValue(java.lang.String string,
INode node)
throws ValueConverterException
- Description copied from interface:
IValueConverter
Creates a value from the given input. The input is conformant
to a data type or terminal rule.
The given string
or node
may be null but not both of them.
- Parameters:
string
- the string that was inferred from the node. Usually the node's text
but may be reduced to the parts of the node that are not
hidden
.node
- the parsed node including hidden parts.
- Returns:
- the new value or
null
.
- Throws:
ValueConverterException
- indicates that the string or node did not fulfil
the expected format.
internalToValue
protected abstract T internalToValue(java.lang.String string,
INode node)
throws ValueConverterException
- Throws:
ValueConverterException