How to use

warn

method

in

de.schlichtherle.truezip.io.SequentialIOExceptionBuilder

    Streams.cat(in, zos);
  } catch (final InputException ex) { // NOT IOException!
    builder.warn(ex);
    builder.warn(ex);
  builder.warn(ex);
} finally {
  try {
    in.close();
  } catch (final IOException ex) {
    builder.warn(ex);
  buffer.release();
} catch (final IOException ex) {
  builder.warn(ex);

@Test
public void testChainingExceptionWithInitializedPredecessor() {
  builder.warn(newCause());
  builder.warn(newCause());
  try {
    builder.check();
    fail();
  } catch (final SequentialIOException expected) {
    assert expected.isInitPredecessor();
    builder.warn(newCause());
    builder.warn(expected);
    builder.warn(newCause());
  }
}

@SuppressWarnings({ "unchecked", "element-type-mismatch" })
private void assertSequence(final Mapper mapper) throws X {
  final IOException warning = new IOException("warning");
  final IOException failure = new IOException("failure");
  builder.warn(warning);
  final SequentialIOException ex1 = builder.fail(failure);
  builder.check();
  assertTrue(clazz.isInstance(ex1));
  final SequentialIOException ex2 = mapper.map(ex1);
  assertTrue(clazz.isInstance(ex2));
  final Set<IOException> causes = new HashSet<IOException>(
      Arrays.asList(warning, failure));
  assertTrue(causes.remove(ex2.getCause()));
  assertTrue(causes.remove(ex2.getPredecessor().getCause()));
  assertTrue(causes.isEmpty());
  assertNull(ex2.getPredecessor().getPredecessor());
}

@Test
public void testWarnIdempotence() {
  builder.warn(newCause());
  try {
    builder.check();
    fail();
  } catch (final SequentialIOException ex) {
    assertTrue(clazz.isInstance(ex));
    builder.warn(ex);
    try {
      builder.check();
      fail();
    } catch (final SequentialIOException ex2) {
      assertSame(ex, ex2);
    }
  }
}