de.intarsys.tools.functor
Class ArgumentDeclarator

java.lang.Object
  de.intarsys.tools.functor.ArgumentDeclarator

public class ArgumentDeclarator
extends Object

An argument declaration strategy that modifies its input IArgs according to the IDeclaration.

Every ArgumentDeclaration instance is applied to the input args.

• A name is associated
• An optional default is assigned
• An optional type casting is applied

The ArgumentDeclarator knows three declaration "modes".

• !strict (default)
Any input args are preserved, declared args are applied or added.
• strict && !lazy
Only input args that occur in the declaration are preserved, all others cleared.
• strict && lazy
If there are no ArgumentDeclaration declarations, the input args are preserved. If there is any ArgumentDeclaration, the behavior switches to "strict".

Constructor Summary

ArgumentDeclarator()

ArgumentDeclarator(boolean strict, boolean lazy)

Method Summary

IArgs

apply(IDeclarationBlock declarationBlock, IArgs args)

Methods inherited from class java.lang.Object

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

Constructor Detail

ArgumentDeclarator

public ArgumentDeclarator()

ArgumentDeclarator

public ArgumentDeclarator(boolean strict,
                          boolean lazy)

Method Detail

apply

public IArgs apply(IDeclarationBlock declarationBlock,
                   IArgs args)
            throws DeclarationException

Throws:

DeclarationException