public abstract class List extends Type
Modifier | Constructor and Description |
---|---|
protected |
List(String name,
Type itemType)
Constructs a new
List object (constructor for
subclasses). |
Modifier and Type | Method and Description |
---|---|
abstract ItemList |
createList()
Creates a new
ItemList . |
protected Object |
fromStringImpl(String string)
Converts from a
String to an instance of the value class
for this type (implementation method). |
protected boolean |
isValidValueImpl(String string)
Determines if the specified
String value is considered
valid for this type (implementation method). |
String |
toString(ItemList value)
Converts the specified
ItemList to a string. |
String |
toString(Object value)
Generates a string representation of the specified value for this type.
|
checkValue, fromString, getDescription, getName, getValueClass, isValidValue, toString
protected final boolean isValidValueImpl(String string)
String
value is considered
valid for this type (implementation method).
This method is called from Type.isValidValue(String)
. When
called from that method, it is guaranteed that the argument is not
null
.
isValidValueImpl
in class Type
string
- the String
value that should be checked for validity,
never null
.true
if and only if the specified String
value is valid, false
otherwise.protected final Object fromStringImpl(String string) throws TypeValueException
String
to an instance of the value class
for this type (implementation method).
This method is not required to check the validity of the specified
value (since isValidValueImpl(String)
should have been called
before) but if it does, then it may throw a TypeValueException
.
fromStringImpl
in class Type
string
- the string to convert to an instance of the value class, guaranteed
to be not null
and guaranteed to have been passed to
isValidValueImpl(String)
without getting an exception.null
.TypeValueException
- if string
is considered to be an invalid value for this
type.public abstract ItemList createList()
ItemList
.null
.public String toString(ItemList value)
ItemList
to a string.value
- the value to convert, can be null
.null
if and
only if value == null
.public final String toString(Object value) throws IllegalArgumentException, ClassCastException, TypeValueException
Type.getValueClass()
). Also, it may have to fall within a
certain range of valid values, depending on the type.toString
in class Type
value
- the value, cannot be null
.null
.IllegalArgumentException
- if value == null
.ClassCastException
- if getValueClass().isInstance(value) == false
.TypeValueException
- if the specified value is not in the allowed range.See http://www.xins.org/.