public static boolean isTrue(final Boolean bool) {
        return Boolean.TRUE.equals(bool);
    }
<p>Checks if a {@code Boolean} value is {@code true},
handling {@code null} by returning {@code false}.</p>

<pre>
  BooleanUtils.isTrue(Boolean.TRUE)  = true
  BooleanUtils.isTrue(Boolean.FALSE) = false
  BooleanUtils.isTrue(null)          = false
</pre>

@param bool  the boolean to check, null returns {@code false}
@return {@code true} only if the input is non-null and true
@since 2.1
fastexcel-core/src/main/java/cn/idev/excel/util/BooleanUtils.java