@IsBoolean annotation

Action

Requires that the annotated element be a boolean value. If the value received is not directly a boolean, it attempts a conversion using either predefined or specified patterns.

Javadoc Ref : @IsBoolean

Input Types ¹	Object
Output Types	boolean

¹Automatic conversion will take place if the provided input does not match any of the input classes, as described in the conversions part of the manual.

Arguments

truePattern	Pattern representing the possible values that are interpreted as "true". Default is (true)\|(yes)\|(1(\.0+)?)
falsePattern	Pattern representing the possible values that are interpreted as "false". Default is (false)\|(no)\|(0(\\.0+)?)
notTrueMeansFalse	If set to true, only the "true" pattern is checked, and if it doesn't match, the value is assumed to be false automatically regardless of whether it matches the false pattern. Note that if set to true, this annotation will never cause a validation error.
notFalseMeansTrue	If set to true, only the "false" pattern is checked, and if it doesn't match, the value is assumed to be true automatically regardless of whether it matches the true pattern. Note that if set to true, this annotation will never cause a validation error.
padChar	Specifies which character to use when padding the value. Default is '0'
padLength	Specifies the length of the field into which to apply the padding. Default is 0
message	Literal message to use if validation fails.
errorCode	Error code to use if validation fails.
messageKey	Message key to use if validation fails.

Example

@IsBoolean(truePattern="(si)|(oui)", notTrueMeansFalse=true)
private boolean myBooleanField;