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    • io.ebeaninternal.util.ValueUtil Maven / Gradle / Ivy

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    package io.ebeaninternal.util;

import java.math.BigDecimal;
import java.net.URL;

public final class ValueUtil {

  /**
   * Helper method to check if two objects are equal.
   */
  @SuppressWarnings("unchecked")
  public static boolean areEqual(Object obj1, Object obj2) {
    if (obj1 == null) {
      return (obj2 == null);
    }
    if (obj2 == null) {
      return false;
    }
    if (obj1 == obj2) {
      return true;
    }
    if (obj1 instanceof BigDecimal) {
      // Use comparable for BigDecimal as equals
      // uses scale in comparison...
      if (obj2 instanceof BigDecimal) {
        Comparable com1 = (Comparable) obj1;
        return (com1.compareTo(obj2) == 0);

      } else {
        return false;
      }

    }
    if (obj1 instanceof URL) {
      // use the string format to determine if dirty
      return obj1.toString().equals(obj2.toString());
    }
    if (obj1 instanceof byte[] && obj2 instanceof byte[]) {
      return areEqualBytes((byte[]) obj1, (byte[]) obj2);
    }
    if (obj1 instanceof char[] && obj2 instanceof char[]) {
      return areEqualChars((char[]) obj1, (char[]) obj2);
    }
    return obj1.equals(obj2);
  }

  private static boolean areEqualBytes(byte[] b1, byte[] b2) {
    if (b1.length != b2.length) {
      return false;
    }
    for (int i = 0; i < b1.length; i++) {
      if (b1[i] != b2[i]) {
        return false;
      }
    }
    return true;
  }

  private static boolean areEqualChars(char[] b1, char[] b2) {
    if (b1.length != b2.length) {
      return false;
    }
    for (int i = 0; i < b1.length; i++) {
      if (b1[i] != b2[i]) {
        return false;
      }
    }
    return true;
  }
}
    
    
    
    

    




    
    
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