import com.google.common.base.VerifyException;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
return wrapHashCode(Arrays.hashCode(obj));
}
+ /**
+ * The constant '31' is the result of folding this code:
+ * <pre>
+ * <code>
+ * final int prime = 31;
+ * int result = 1;
+ * result = result * prime + Objects.hashCode(obj);
+ * return result;
+ * </code>
+ * </pre>
+ * when hashCode is returned as 0, such as due to obj being null or its hashCode being 0.
+ *
+ * @param hash Wrapped object hash
+ * @return Wrapper object hash
+ */
+ private static int wrapHashCode(final int hash) {
+ return hash == 0 ? 31 : hash;
+ }
+
/**
* Utility method for checking whether a target object is a compatible DataObject.
*
* @param fieldName name of the field being filled
* @param list List, which items should be checked
* @return Type-checked List
- * @throws IllegalArgumentException if a list item is not instance of {@code requiredItemClass}
+ * @throws IllegalArgumentException if a list item is not instance of {@code requiredClass}
* @throws NullPointerException if {@code requiredClass} or {@code fieldName} is null
*/
@SuppressWarnings("unchecked")
}
/**
- * Utility method for checking whether the items of target list is compatible.
+ * Utility method for checking whether the items of target set is compatible.
*
* @param requiredClass Required item class
* @param fieldName name of the field being filled
return (Set<T>) set;
}
+ @SuppressFBWarnings(value = "DCN_NULLPOINTER_EXCEPTION",
+ justification = "Internal NPE->IAE conversion")
private static void checkCollectionField(final @NonNull Class<?> requiredClass,
final @NonNull String fieldName, final @Nullable Collection<?> collection) {
if (collection != null) {
try {
collection.forEach(item -> requiredClass.cast(requireNonNull(item)));
} catch (ClassCastException | NullPointerException e) {
- throw new IllegalArgumentException("Invalid input list item for property \"" + requireNonNull(fieldName)
+ throw new IllegalArgumentException("Invalid input item for property \"" + requireNonNull(fieldName)
+ "\"", e);
}
}
}
-
- /**
- * The constant '31' is the result of folding this code:
- * <pre>
- * <code>
- * final int prime = 31;
- * int result = 1;
- * result = result * prime + Objects.hashCode(obj);
- * return result;
- * </code>
- * </pre>
- * when hashCode is returned as 0, such as due to obj being null or its hashCode being 0.
- *
- * @param hash Wrapped object hash
- * @return Wrapper object hash
- */
- private static int wrapHashCode(final int hash) {
- return hash == 0 ? 31 : hash;
- }
}