com.reprezen.genflow.openapi.diagram.swagger.StatusCodeComparator Maven / Gradle / Ivy

Go to download
/**
 * Copyright © 2013, 2016 Modelsolv, Inc.
 * All Rights Reserved.
 * 
 * NOTICE: All information contained herein is, and remains the property
 * of ModelSolv, Inc. See the file license.html in the root directory of
 * this project for further information.
 */
package com.reprezen.genflow.openapi.diagram.swagger;

import com.google.common.base.Objects;
import java.util.Comparator;
import org.eclipse.xtext.xbase.lib.Exceptions;
import org.eclipse.xtext.xbase.lib.StringExtensions;

/**
 * Natural ordering with exception of default response ('default') which is bigger than any normal response
 */
@SuppressWarnings("all")
public class StatusCodeComparator implements Comparator {
  @Override
  public int compare(final String s1, final String s2) {
    final int code1 = StatusCodeComparator.safeParse(s1, Integer.MAX_VALUE);
    final int code2 = StatusCodeComparator.safeParse(s2, Integer.MAX_VALUE);
    return Integer.valueOf(code1).compareTo(Integer.valueOf(code2));
  }
  
  public static int safeParse(final String number, final int orDefault) {
    if ((StringExtensions.isNullOrEmpty(number) || Objects.equal(number, "default"))) {
      return orDefault;
    }
    try {
      return Integer.parseInt(number);
    } catch (final Throwable _t) {
      if (_t instanceof NumberFormatException) {
        return orDefault;
      } else {
        throw Exceptions.sneakyThrow(_t);
      }
    }
  }
}