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Posted to issues@commons.apache.org by "Stardust (JIRA)" <ji...@apache.org> on 2015/05/07 00:29:00 UTC
[jira] [Created] (LANG-1134) New methods for lang3.Validate
Stardust created LANG-1134:
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Summary: New methods for lang3.Validate
Key: LANG-1134
URL: https://issues.apache.org/jira/browse/LANG-1134
Project: Commons Lang
Issue Type: Improvement
Components: lang.*
Affects Versions: 3.4
Reporter: Stardust
Priority: Minor
These are suggestions for new methods for the Validate class.
h1. Floating point values
h2. notNaN(value)
Throws an exception if value != value .
{code}double value;
value = Double.NaN;
Validate.notNaN(value); // Throws exception
value = 1.0;
Validate.notNaN(value); // Validates
value = Double.POSITIVE_INFINITY;
Validate.notNaN(value); // Validates{code}
h2. finite(value)
Validates that the argument contains a numeric value (not NaN or infinite).
{code}double value;
value = Double.NaN;
Validate.notNaN(value); // Throws exception
value = Double.POSITIVE_INFINITY;
Validate.notNaN(value); // Throws exception
value = 1.0;
Validate.notNaN(value); // Validates{code}
h1. Integers and floats
The following methods are overloaded to accept both integers and floating point values.
h2. greater(reference, value), greaterOrEqual(reference, value)
Ensures the argument is greater than (or equal to) a given value.
{code}double value;
value = 0.0;
Validate.greater(0.0, value); // Throws exception
Validate.greaterOrEqual(0.0, value); // Validates
value = Double.POSITIVE_INFINITY;
Validate.greater(0.0, value); // Validates
value = Double.NaN;
Validate.greater(0.0, value); // Throws exception{code}
h2. smaller(reference, value), smallerOrEqual(reference, value)
Ensures the argument is smaller than (or equal to) a given value. Does the opposite of greater(), see example above.
h2. different(reference, value)
Ensures the argument is not equal to a given value. A typical use case would be to accept only non-zero values.
{code}double value;
value = 0.0;
different(0.0, value); // Throws exception
different(1.0, value); // Validates
value = Double.NaN;
different(0.0, value); // Validates{code}
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