org.geotools.feature
Class AttributeTypes

java.lang.Object
  org.geotools.feature.AttributeTypes

public class AttributeTypes

extends java.lang.Object

Proposal: AttributeType utilities class.

Author:

Luca S. Percich, AMA-MI

Field Summary

static int

FIELD_LENGTH_UNDEFINED

Constructor Summary

AttributeTypes()

Method Summary

static int	getFieldLength(AttributeType attr) Returns the field length defined via a restrinction for an attribute type
static int	getFieldLength(AttributeType attr, int defaultLength) Returns the field length defined via a restrinction for an attribute type This should be considered the maximum allowed length for the given attribute, which means: the max number of chars in a string the maximum precision for a float no meaning for Integer, Boolean, Date?
static int	getFieldLengthFromFilter(Filter filter) Obtains a field length from a filter possibly containing a LengthFunction expression

Methods inherited from class java.lang.Object

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

Field Detail

FIELD_LENGTH_UNDEFINED

public static final int FIELD_LENGTH_UNDEFINED

See Also:

Constant Field Values

Constructor Detail

AttributeTypes

public AttributeTypes()

Method Detail

getFieldLength

public static int getFieldLength(AttributeType attr,
                                 int defaultLength)

Returns the field length defined via a restrinction for an attribute type

This should be considered the maximum allowed length for the given attribute, which means:

• the max number of chars in a string
• the maximum precision for a float
• no meaning for Integer, Boolean, Date?

Parameters:

attr - The attribute type

defaultLength - The default field length

Returns:

The defined field length, or defaultLength if no maximum length has been defined.

getFieldLength

public static int getFieldLength(AttributeType attr)

Returns the field length defined via a restrinction for an attribute type

Parameters:

attr -

Returns:

the defined field length, or FIELD_LENGTH_UNDEFINED if no maximum length has been defined.

getFieldLengthFromFilter

public static int getFieldLengthFromFilter(Filter filter)

Obtains a field length from a filter possibly containing a LengthFunction expression

Parameters:

filter - the given filter

Returns:

The maximum field length found in the filter, or FIELD_LENGTH_UNDEFINED if none was found;