📄 fieldchecks.java
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* @return True if in range, false otherwise.
*/
public static boolean validateIntRange(Object bean,
ValidatorAction va, Field field,
ActionErrors errors,
HttpServletRequest request) {
String value = null;
if (isString(bean)) {
value = (String) bean;
} else {
value = ValidatorUtil.getValueAsString(bean, field.getProperty());
}
if (!GenericValidator.isBlankOrNull(value)) {
try {
int intValue = Integer.parseInt(value);
int min = Integer.parseInt(field.getVarValue("min"));
int max = Integer.parseInt(field.getVarValue("max"));
if (!GenericValidator.isInRange(intValue, min, max)) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
}
} catch (Exception e) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
}
}
return true;
}
/**
* Checks if a fields value is within a range (min & max specified in the
* vars attribute).
*
* @param bean The bean validation is being performed on.
* @param va The <code>ValidatorAction</code> that is currently being performed.
* @param field The <code>Field</code> object associated with the current
* field being validated.
* @param errors The <code>ActionErrors</code> object to add errors to if any
* validation errors occur.
* @param request Current request object.
* @return True if in range, false otherwise.
*/
public static boolean validateDoubleRange(Object bean,
ValidatorAction va, Field field,
ActionErrors errors,
HttpServletRequest request) {
String value = null;
if (isString(bean)) {
value = (String) bean;
} else {
value = ValidatorUtil.getValueAsString(bean, field.getProperty());
}
if (!GenericValidator.isBlankOrNull(value)) {
try {
double doubleValue = Double.parseDouble(value);
double min = Double.parseDouble(field.getVarValue("min"));
double max = Double.parseDouble(field.getVarValue("max"));
if (!GenericValidator.isInRange(doubleValue, min, max)) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
}
} catch (Exception e) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
}
}
return true;
}
/**
* Checks if a fields value is within a range (min & max specified in the
* vars attribute).
*
* @param bean The bean validation is being performed on.
* @param va The <code>ValidatorAction</code> that is currently being performed.
* @param field The <code>Field</code> object associated with the current
* field being validated.
* @param errors The <code>ActionErrors</code> object to add errors to if any
* validation errors occur.
* @param request Current request object.
* @return True if in range, false otherwise.
*/
public static boolean validateFloatRange(Object bean,
ValidatorAction va, Field field,
ActionErrors errors,
HttpServletRequest request) {
String value = null;
if (isString(bean)) {
value = (String) bean;
} else {
value = ValidatorUtil.getValueAsString(bean, field.getProperty());
}
if (!GenericValidator.isBlankOrNull(value)) {
try {
float floatValue = Float.parseFloat(value);
float min = Float.parseFloat(field.getVarValue("min"));
float max = Float.parseFloat(field.getVarValue("max"));
if (!GenericValidator.isInRange(floatValue, min, max)) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
}
} catch (Exception e) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
}
}
return true;
}
/**
* Checks if the field is a valid credit card number.
*
* @param bean The bean validation is being performed on.
* @param va The <code>ValidatorAction</code> that is currently being performed.
* @param field The <code>Field</code> object associated with the current
* field being validated.
* @param errors The <code>ActionErrors</code> object to add errors to if any
* validation errors occur.
* @param request Current request object.
* @return The credit card as a Long, a null if invalid, blank, or null.
*/
public static Long validateCreditCard(Object bean,
ValidatorAction va, Field field,
ActionErrors errors,
HttpServletRequest request) {
Long result = null;
String value = null;
if (isString(bean)) {
value = (String) bean;
} else {
value = ValidatorUtil.getValueAsString(bean, field.getProperty());
}
if (!GenericValidator.isBlankOrNull(value)) {
result = GenericTypeValidator.formatCreditCard(value);
if (result == null) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
}
}
return result;
}
/**
* Checks if a field has a valid e-mail address.
*
* @param bean The bean validation is being performed on.
* @param va The <code>ValidatorAction</code> that is currently being performed.
* @param field The <code>Field</code> object associated with the current
* field being validated.
* @param errors The <code>ActionErrors</code> object to add errors to if any
* validation errors occur.
* @param request Current request object.
* @return True if valid, false otherwise.
*/
public static boolean validateEmail(Object bean,
ValidatorAction va, Field field,
ActionErrors errors,
HttpServletRequest request) {
String value = null;
if (isString(bean)) {
value = (String) bean;
} else {
value = ValidatorUtil.getValueAsString(bean, field.getProperty());
}
if (!GenericValidator.isBlankOrNull(value) && !GenericValidator.isEmail(value)) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
} else {
return true;
}
}
/**
* Checks if the field's length is less than or equal to the maximum value.
* A <code>Null</code> will be considered an error.
*
* @param bean The bean validation is being performed on.
* @param va The <code>ValidatorAction</code> that is currently being performed.
* @param field The <code>Field</code> object associated with the current
* field being validated.
* @param errors The <code>ActionErrors</code> object to add errors to if any
* validation errors occur.
* @param request Current request object.
* @return True if stated conditions met.
*/
public static boolean validateMaxLength(Object bean,
ValidatorAction va, Field field,
ActionErrors errors,
HttpServletRequest request) {
String value = null;
if (isString(bean)) {
value = (String) bean;
} else {
value = ValidatorUtil.getValueAsString(bean, field.getProperty());
}
if (value != null) {
try {
int max = Integer.parseInt(field.getVarValue("maxlength"));
if (!GenericValidator.maxLength(value, max)) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
}
} catch (Exception e) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
}
}
return true;
}
/**
* Checks if the field's length is greater than or equal to the minimum value.
* A <code>Null</code> will be considered an error.
*
* @param bean The bean validation is being performed on.
* @param va The <code>ValidatorAction</code> that is currently being performed.
* @param field The <code>Field</code> object associated with the current
* field being validated.
* @param errors The <code>ActionErrors</code> object to add errors to if any
* validation errors occur.
* @param request Current request object.
* @return True if stated conditions met.
*/
public static boolean validateMinLength(Object bean,
ValidatorAction va, Field field,
ActionErrors errors,
HttpServletRequest request) {
String value = null;
if (isString(bean)) {
value = (String) bean;
} else {
value = ValidatorUtil.getValueAsString(bean, field.getProperty());
}
if (!GenericValidator.isBlankOrNull(value)) {
try {
int min = Integer.parseInt(field.getVarValue("minlength"));
if (!GenericValidator.minLength(value, min)) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
}
} catch (Exception e) {
errors.add(field.getKey(), Resources.getActionError(request, va, field));
return false;
}
}
return true;
}
/**
* Return <code>true</code> if the specified object is a String or a <code>null</code>
* value.
*
* @param o Object to be tested
* @return The string value
*/
protected static boolean isString(Object o) {
return (o == null) ? true : String.class.isInstance(o);
}
}
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