/**
* Performs rudimentary string field validation checking for the presence of data in fields that
* are mandatory and the maximum length of the field.
*/
public static boolean basicValidateString(
ActionErrors actionErrors, String field, String value, Number entityField, IGTEntity entity)
throws GTClientException {
try {
IGTFieldMetaInfo fmi = entity.getFieldMetaInfo(entityField);
boolean newEntity = entity.isNewEntity();
if (fmi == null) {
throw new java.lang.NullPointerException(
"No fieldMetaInfo for field:" + entityField + "(" + field + ") of entity " + entity);
}
if ((!fmi.isDisplayable(newEntity)) || (!fmi.isEditable(newEntity))) {
return true;
}
if (fmi.isMandatory(newEntity)) {
if ((value == null) || (value.equals(""))) {
// actionErrors.add(field,new ActionError(entity.getType() + ".error." + field +
// ".required"));
addFieldError(actionErrors, field, entity.getType(), REQUIRED, null); // 20021220AH
return false;
}
}
if (fmi.getConstraintType() == IConstraint.TYPE_TEXT) {
ITextConstraint textConstraint = (ITextConstraint) fmi.getConstraint();
/* 20030918 DDJ: Fixed checking of minLength when maxLength = -1
if(textConstraint.getMaxLength() > 0)
{
int valueLength = value==null ? 0 : value.length();
if( (valueLength > textConstraint.getMaxLength())
|| (valueLength < textConstraint.getMinLength()) )
*/
int valueLength = (value == null) ? 0 : value.length();
if ((textConstraint.getMaxLength() > 0 && valueLength > textConstraint.getMaxLength())
|| (valueLength < textConstraint.getMinLength())) {
// actionErrors.add(field,new ActionError(entity.getType() + ".error." + field +
// ".invalid"));
addFieldError(actionErrors, field, entity.getType(), INVALID, null); // 20021220AH
return false;
}
}
boolean valueEmpty = ((value == null) || ("".equals(value)));
Number convertedValue = null;
if ("java.lang.Integer".equals(fmi.getValueClass()) && !valueEmpty) {
try {
convertedValue = new Integer(value);
} catch (Exception e) {
// actionErrors.add(field,new ActionError(entity.getType() + ".error." + field +
// ".invalid"));
addFieldError(actionErrors, field, entity.getType(), INVALID, null); // 20021220AH
return false;
}
} else if ("java.lang.Short".equals(fmi.getValueClass()) && !valueEmpty) {
try {
convertedValue = new Short(value);
} catch (Exception e) {
// actionErrors.add(field,new ActionError(entity.getType() + ".error." + field +
// ".invalid"));
addFieldError(actionErrors, field, entity.getType(), INVALID, null); // 20021220AH
return false;
}
} else if ("java.lang.Long".equals(fmi.getValueClass()) && !valueEmpty) {
try {
convertedValue = new Long(value);
} catch (Exception e) {
// actionErrors.add(field,new ActionError(entity.getType() + ".error." + field +
// ".invalid"));
addFieldError(actionErrors, field, entity.getType(), INVALID, null); // 20021220AH
return false;
}
}
if (convertedValue != null
&& fmi.getConstraintType()
== IConstraint.TYPE_RANGE) { // This is to apply range constraint
try {
IRangeConstraint rangeConstraint = (IRangeConstraint) fmi.getConstraint();
Number min = rangeConstraint.getMin(0);
Number max = rangeConstraint.getMax(0);
if (min == null) throw new NullPointerException("min is null");
if (max == null) throw new NullPointerException("min is null");
if ((convertedValue.doubleValue() < min.doubleValue())
|| (convertedValue.doubleValue() > max.doubleValue()))
throw new Exception("Value out of range, constraint min=" + min + ", max=" + max);
} catch (Exception ex) {
addFieldError(actionErrors, field, entity.getType(), INVALID, null);
return false;
}
}
return true;
} catch (Throwable t) {
throw new GTClientException("Error validating field " + entityField, t);
}
}
