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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.glassfish.config.support.datatypes;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.config.DataType;
import org.jvnet.hk2.config.ValidationException;
/** Represents an integer from 0 to Integer.MAX_VALUE.
* It's modeled as a functional class.
* @author केदार (km@dev.java.net)
*/
@Service
public class NonNegativeInteger implements DataType {
/** Validates the value as a non-negative integer.
* @param value
* @throws org.jvnet.hk2.config.ValidationException
*/
public void validate(String value) throws ValidationException {
if (value == null)
throw new ValidationException("null value is not of type NonNegativeInteger");
if (isTokenized(value))
return; //a token is always valid
try {
long number = Long.parseLong(value);
if (number < 0 || number > Integer.MAX_VALUE) {
String msg = "value: " + number + " not applicable for NonNegativeInteger [0, " + Integer.MAX_VALUE + "] data type";
throw new ValidationException(msg);
}
} catch(NumberFormatException e) {
throw new ValidationException(e);
}
}
/*package*/
static boolean isTokenized(String value) {
if (value != null && value.startsWith("${") && value.endsWith("}"))
return true;
return false;
}
}