How to use

nonNullArraySet

method

in

org.apache.sis.internal.util.CollectionsExt

/**
 * Tests {@link CollectionsExt#nonNullArraySet(String, Object, Object[])}.
 */
@Test
public void testNonNullArraySet() {
  final String name = "test";
  final String[] emptyArray = new String[0];
  assertSame(emptyArray,
      CollectionsExt.nonNullArraySet(name, null, emptyArray));
  assertSame(emptyArray,
      CollectionsExt.nonNullArraySet(name, emptyArray, emptyArray));
  assertArrayEquals(new String[] {"A"},
      CollectionsExt.nonNullArraySet(name, "A", emptyArray));
  assertArrayEquals(new String[] {"A"},
      CollectionsExt.nonNullArraySet(name, new String[] {"A", null, "A"}, emptyArray));
  assertArrayEquals(new String[] {"B", "A", "C"},
      CollectionsExt.nonNullArraySet(name, new String[] {"B", "A", "B", "C", null, "A"}, emptyArray));
  /*
   * Verify that an exception is thrown in case of illegal value type.  Note that the Object[] type
   * could be accepted if all elements are String instances, however the current method contract is
   * to not accept them, so we will ensure that.
   */
  try {
    CollectionsExt.nonNullArraySet(name, new Object[] {"A"}, emptyArray);
  } catch (IllegalArgumentException e) {
    final String message = e.getMessage();
    assertTrue(message, message.contains(name));
    assertTrue(message, message.contains("Object[]"));
  }
}

this.ellipsoid     = ellipsoid;
this.primeMeridian = primeMeridian;
bursaWolf = CollectionsExt.nonEmpty(CollectionsExt.nonNullArraySet(
    BURSA_WOLF_KEY, properties.get(BURSA_WOLF_KEY), EMPTY_ARRAY));
if (bursaWolf != null) {

this.ellipsoid     = ellipsoid;
this.primeMeridian = primeMeridian;
bursaWolf = CollectionsExt.nonEmpty(CollectionsExt.nonNullArraySet(
    BURSA_WOLF_KEY, properties.get(BURSA_WOLF_KEY), EMPTY_ARRAY));
if (bursaWolf != null) {