Example usage for org.apache.commons.validator.routines IntegerValidator validate

Introduction

In this page you can find the example usage for org.apache.commons.validator.routines IntegerValidator validate.

Prototype

public Integer validate(String value, String pattern, Locale locale) 

Source Link

Document

Validate/convert a Integer using the specified pattern and/ or Locale.

Usage

From source file:org.mule.modules.validation.ValidationModule.java

/**
 * If the specified <code>value</code> is not a valid {@link Integer} throw an exception.
 * <p/>/*ww w .jav a 2 s .  c o  m*/
 * {@sample.xml ../../../doc/mule-module-validation.xml.sample validation:validate-integer}
 *
 * @param value                    Value to validate
 * @param locale                   The locale to use for the format
 * @param pattern                  The pattern used to format the value
 * @param minValue                 The minimum value
 * @param maxValue                 The maximum value
 * @param customExceptionClassName Class name of the exception to throw
 * @throws Exception if not valid
 */
@Processor
public void validateInteger(String value, @Optional @Default("US") Locale locale, @Optional String pattern,
        @Optional Integer minValue, @Optional Integer maxValue,
        @Optional @Default("org.mule.modules.validation.InvalidException") String customExceptionClassName)
        throws Exception {
    IntegerValidator validator = IntegerValidator.getInstance();

    Integer newValue = null;
    if (pattern != null) {
        newValue = validator.validate(value, pattern, locale.getJavaLocale());
    } else {
        newValue = validator.validate(value, locale.getJavaLocale());
    }

    if (newValue == null) {
        throw buildException(customExceptionClassName);
    }
    if (minValue != null) {
        if (!validator.minValue(newValue, minValue)) {
            throw buildException(customExceptionClassName);
        }
    }
    if (maxValue != null) {
        if (!validator.maxValue(newValue, maxValue)) {
            throw buildException(customExceptionClassName);
        }
    }
}

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