http://www.dropwizard.io/1.3.16/dropwizard-jersey: Dropwizard is a Java framework for developing ops-friendly, high-performance, RESTful web applications.
  • Coda Hale
  • Nick Telford
  • Graham O'Regan
  • Ryan Kennedy
  • Camille Fournier
  • Carlo Barbara
  • Matt Veitas
  • Ryan Tenney
  • Jochen Schalanda
  • Glenn McAllister
  • Nick Babcock
  • Justin Plock
  • Artem Prigoda 
package io.dropwizard.jersey.params;

import javax.annotation.Nullable;


A parameter encapsulating integer values. All non-decimal values will return a 400 Bad Request response. 
/**
 * A parameter encapsulating integer values. All non-decimal values will return a
 * {@code 400 Bad Request} response.
 */
public class IntParam extends AbstractParam<Integer> {
    public IntParam(@Nullable String input) {
        super(input);
    }

    public IntParam(@Nullable String input, String parameterName) {
        super(input, parameterName);
    }

    @Override
    protected String errorMessage(Exception e) {
        return "%s is not a number.";
    }

    @Override
    protected Integer parse(@Nullable String input) {
        return Integer.valueOf(input);
    }
}