com.perdues.db.typeHandlers
Class IntegerTypeHandler

java.lang.Object
  |
  +--com.perdues.db.typeHandlers.StringTypeHandler
        |
        +--com.perdues.db.typeHandlers.IntegerTypeHandler

All Implemented Interfaces:

DBTypeHandler

Direct Known Subclasses:

BooleanTypeHandler

public class IntegerTypeHandler

extends StringTypeHandler

Constructor Summary

IntegerTypeHandler()

IntegerTypeHandler(int digits)
You can build an Integer type with a specific number of required numeric digits.

Method Summary

static java.lang.String	integerValidator(java.lang.String numeric, int min) Returns a message string if the format is not valid, or null if OK.
java.lang.String	renderForSQL(ColumnInfo col, Form form, java.lang.String field) Renders an SQL string literal for the field, or null if it is not present in the Form.
void	validate(ColumnInfo col, Form form, java.util.Hashtable errs) An integer field must have exactly the specified number of numeric digits, but if the number of digits is unspecified, then any nonzero number will do.

Methods inherited from class com.perdues.db.typeHandlers.StringTypeHandler

storeToForm, storeToForm

Methods inherited from class java.lang.Object

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

Constructor Detail

IntegerTypeHandler

public IntegerTypeHandler()

IntegerTypeHandler

public IntegerTypeHandler(int digits)

You can build an Integer type with a specific number of required numeric digits.

Method Detail

renderForSQL

public java.lang.String renderForSQL(ColumnInfo col,
                                     Form form,
                                     java.lang.String field)

Description copied from class: StringTypeHandler

Renders an SQL string literal for the field, or null if it is not present in the Form.

Overrides:

renderForSQL in class StringTypeHandler

validate

public void validate(ColumnInfo col,
                     Form form,
                     java.util.Hashtable errs)

An integer field must have exactly the specified number of numeric digits, but if the number of digits is unspecified, then any nonzero number will do.

Overrides:

validate in class StringTypeHandler

integerValidator

public static java.lang.String integerValidator(java.lang.String numeric,
                                                int min)

Returns a message string if the format is not valid, or null if OK. The integer argument is the minimum number of digits.