Github user britter commented on a diff in the pull request:
https://github.com/apache/commons-lang/pull/87#discussion_r30061829
--- Diff: src/main/java/org/apache/commons/lang3/Validate.java ---
@@ -874,7 +888,752 @@ public static void matchesPattern(final CharSequence
input, final String pattern
throw new IllegalArgumentException(String.format(message,
values));
}
}
-
+
+ // notNaN
+
//---------------------------------------------------------------------------------
+
+ /**
+ * <p>Validates that the specified argument is not {@code NaN};
otherwise
+ * throwing an exception.</p>
+ *
+ * <pre>Validate.notNaN(myDouble);</pre>
+ *
+ * <p>The message of the exception is "The validated value is not
a
+ * number".</p>
+ *
+ * @param value the value to validate
+ * @throws IllegalArgumentException if the value is not a number
+ * @see #notNaN(double, java.lang.String, java.lang.Object...)
+ *
+ * @since 3.4
+ */
+ public static void notNaN(final double value) {
+ notNaN(value, DEFAULT_NOT_NAN_EX_MESSAGE);
+ }
+
+ /**
+ * <p>Validates that the specified argument is not {@code NaN};
otherwise
+ * throwing an exception with the specified message.</p>
+ *
+ * <pre>Validate.notNaN(myDouble, "The value must be a number");</pre>
+ *
+ * @param value the value to validate
+ * @param message the {@link String#format(String, Object...)}
exception message if invalid, not null
+ * @param values the optional values for the formatted exception
message
+ * @throws IllegalArgumentException if the value is not a number
+ * @see #notNaN(double)
+ *
+ * @since 3.4
+ */
+ public static void notNaN(final double value, final String message,
final Object... values) {
+ if (value != value) {
+ throw new IllegalArgumentException(String.format(message,
values));
+ }
+ }
+
+ // finite
+
//---------------------------------------------------------------------------------
+
+ /**
+ * <p>Validates that the specified argument is not infinite or {@code
NaN};
+ * otherwise throwing an exception.</p>
+ *
+ * <pre>Validate.finite(myDouble);</pre>
+ *
+ * <p>The message of the exception is "The value is invalid:
%f".</p>
+ *
+ * @param value the value to validate
+ * @throws IllegalArgumentException if the value is infinite or {@code
NaN}
+ * @see #finite(double, java.lang.String, java.lang.Object...)
+ *
+ * @since 3.4
+ */
+ public static void finite(final double value) {
+ finite(value, DEFAULT_FINITE_EX_MESSAGE, value);
+ }
+
+ /**
+ * <p>Validates that the specified argument is not infinite or {@code
NaN};
+ * otherwise throwing an exception with the specified message.</p>
+ *
+ * <pre>Validate.finite(myDouble, "The argument must contain a numeric
value");</pre>
+ *
+ * @param value the value to validate
+ * @param message the {@link String#format(String, Object...)}
exception message if invalid, not null
+ * @param values the optional values for the formatted exception
message
+ * @throws IllegalArgumentException if the value is infinite or {@code
NaN}
+ * @see #finite(double)
+ *
+ * @since 3.4
+ */
+ public static void finite(final double value, final String message,
final Object... values) {
+ if (value != value || Double.isInfinite(value)) {
+ throw new IllegalArgumentException(String.format(message,
values));
+ }
+ }
+
+ // greater
+
//---------------------------------------------------------------------------------
+
+ /**
+ * <p>Validates that the specified argument is strictly greater than a
given
+ * reference; otherwise throwing an exception.</p>
+ *
+ * <pre>Validate.greaterObj(myObject, refObject);</pre>
+ *
+ * <p>The message of the exception is "The value {@code value} is
not
+ * greater than {@code min}".</p>
+ *
+ * @param <T> the type of the argument object
+ * @param min the reference value
+ * @param value the object to validate
+ * @throws IllegalArgumentException if {@code value} is smaller than
or equal to {@code min}
+ * @see #greaterObj(java.lang.Object, java.lang.Comparable,
java.lang.String, java.lang.Object...)
+ *
+ * @since 3.4
+ */
+ public static <T> void greaterObj(final T min, final Comparable<T>
value) {
--- End diff --
Why not simply ```public static <T> void greater(final T min, final
Comparable<T> value)```?
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