net.ontopia.topicmaps.impl.utils
Class ArgumentValidator

java.lang.Object
  net.ontopia.topicmaps.impl.utils.ArgumentValidator

Direct Known Subclasses:

ActionSignature, PredicateSignature

public class ArgumentValidator
extends Object

INTERNAL: Instances of this class represent a signature of some predicate/function/object that takes a positional list of arguments and can validate whether a given list of arguments are valid according to the signature.

Field Summary

protected List<Argument>	arguments
protected static Map<Class<?>,String>	typenames

Constructor Summary

ArgumentValidator(String signature)
INTERNAL: Creates a validator for the signature represented by this string.

Method Summary

Argument	getArgument(int ix) INTERNAL: Returns an Argument object representing the argument at this position in the signature.
static String	getClassList(Object[] classes) INTERNAL: Returns a nicely formatted list of class names.
static String	getClassName(Class klass) INTERNAL: Returns a string name for the class.
static String	getClassName(Object object) INTERNAL: Returns a string name for the class of this object.
Class[]	getTypes(int ix)
void	interpretCharacter(char ch, Argument curarg) INTERNAL: Interprets the given character and updates the argument to record the information in the character.
static String	makeSignature(Object[] types) INTERNAL: Turns a list of class types into a signature string.

Methods inherited from class java.lang.Object

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

Field Detail

arguments

protected List<Argument> arguments

typenames

protected static Map<Class<?>,String> typenames

Constructor Detail

ArgumentValidator

public ArgumentValidator(String signature)

INTERNAL: Creates a validator for the signature represented by this string.

Method Detail

interpretCharacter

public void interpretCharacter(char ch,
                               Argument curarg)

INTERNAL: Interprets the given character and updates the argument to record the information in the character.

 x    TMObjectIF (equivalent to mtarbvo)
 m    TopicMapIF
 t    TopicIF
 a    AssociationIF
 r    AssociationRoleIF
 b    TopicNameIF
 v    VariantNameIF
 o    OccurrenceIF
 l    LocatorIF

 p    Pair (tolog-specific)
 B    Boolean
 s    String
 n    Number (float + integer)
 i    Integer
 f    Float
 .    Object
 z    PredicateOptions (tolog-specific wizardry)

 ?    optional argument
 +    repeatable argument
 &    multiple values
 !    tolog: argument must be bound; webed: argument must have a value
 

getTypes

public Class[] getTypes(int ix)

getArgument

public Argument getArgument(int ix)

INTERNAL: Returns an Argument object representing the argument at this position in the signature.

makeSignature

public static String makeSignature(Object[] types)

INTERNAL: Turns a list of class types into a signature string.

Parameters:

types - The list of class types.

Returns:

The generated signature string.

getClassName

public static String getClassName(Class klass)

INTERNAL: Returns a string name for the class.

getClassName

public static String getClassName(Object object)

INTERNAL: Returns a string name for the class of this object.

getClassList

public static String getClassList(Object[] classes)

INTERNAL: Returns a nicely formatted list of class names.