Home > Guides > Core Developers Guide > Validation > double validator |

Apache Struts 2 Documentation
double validator
Edit Page Browse Space Add Page Add News

# Description

Field Validator that checks if the double specified is within a certain range.

# Parameters

- fieldName - The field name this validator is validating. Required if using Plain-Validator Syntax otherwise not required
- minInclusive - the minimum inclusive value in FloatValue format specified by Java language (if none is specified, it will not be checked)
- maxInclusive - the maximum inclusive value in FloatValue format specified by Java language (if none is specified, it will not be checked)
- minExclusive - the minimum exclusive value in FloatValue format specified by Java language (if none is specified, it will not be checked)
- maxExclusive - the maximum exclusive value in FloatValue format specified by Java language (if none is specified, it will not be checked)
- minInclusiveExpression - the minimum inclusive value specified as a OGNL expression (if none is specified, it will not be checked)
- maxInclusiveExpression - the maximum inclusive value specified as a OGNL expression (if none is specified, it will not be checked)
- minExclusiveExpression - the minimum exclusive value specified as a OGNL expression (if none is specified, it will not be checked)
- maxExclusiveExpression - the maximum exclusive value specified as a OGNL expression (if none is specified, it will not be checked)

You can specify either minInclusive, maxInclusive, minExclusive and maxExclusive or minInclusiveExpression, maxInclusiveExpression, minExclusiveExpression and maxExclusiveExpression as a OGNL expression, see example below. You can always try to mix params but be aware that such behaviour was not tested.

Warning

Do not use ${minInclusiveExpression}, ${maxInclusiveExpression}, ${minExclusiveExpressionExpression} and ${maxExclusive} as an expression as this will turn into infinitive loop!

# Examples