javax.imageio.event.IIOReadProgressListener.imageStarted java code examples

Common ways to obtain IIOReadProgressListener

private void myMethod () {
 IIOReadProgressListener i =Mockito mockito;mockito.mock(IIOReadProgressListener.class)
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}

@Test
public void testMultipleAddIIOReadProgressListenerCallbacks() {
  ImageReader reader = createReader();
  TestData data = getTestData().get(0);
  reader.setInput(data.getInputStream());
  IIOReadProgressListener listener = mock(IIOReadProgressListener.class);
  IIOReadProgressListener listenerToo = mock(IIOReadProgressListener.class);
  IIOReadProgressListener listenerThree = mock(IIOReadProgressListener.class);
  reader.addIIOReadProgressListener(listener);
  reader.addIIOReadProgressListener(listenerToo);
  reader.addIIOReadProgressListener(listenerThree);
  try {
    reader.read(0);
  }
  catch (IOException e) {
    fail("Could not read image");
  }
  // At least imageStarted and imageComplete, plus any number of imageProgress
  InOrder ordered = inOrder(listener, listenerToo, listenerThree);
  ordered.verify(listener).imageStarted(reader, 0);
  ordered.verify(listenerToo).imageStarted(reader, 0);
  ordered.verify(listenerThree).imageStarted(reader, 0);
  ordered.verify(listener, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listenerToo, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listenerThree, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listener).imageComplete(reader);
  ordered.verify(listenerToo).imageComplete(reader);
  ordered.verify(listenerThree).imageComplete(reader);
  reader.dispose();
}

@Test
public void testAddIIOReadProgressListenerCallbacksPNG() {
  ImageReader reader = createReader();
  TestData data = new TestData(getClassLoaderResource("/bmpsuite/q/rgb24png.bmp"), new Dimension(127, 64));
  reader.setInput(data.getInputStream());
  IIOReadProgressListener listener = mock(IIOReadProgressListener.class);
  reader.addIIOReadProgressListener(listener);
  try {
    reader.read(0);
  }
  catch (IOException e) {
    fail("Could not read image");
  }
  // At least imageStarted and imageComplete, plus any number of imageProgress
  InOrder ordered = inOrder(listener);
  ordered.verify(listener).imageStarted(reader, 0);
  ordered.verify(listener, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listener).imageComplete(reader);
}

@Test
public void testAddIIOReadProgressListenerCallbacks() {
  ImageReader reader = createReader();
  TestData data = getTestData().get(0);
  reader.setInput(data.getInputStream());
  IIOReadProgressListener listener = mock(IIOReadProgressListener.class);
  reader.addIIOReadProgressListener(listener);
  try {
    reader.read(0);
  }
  catch (IOException e) {
    fail("Could not read image");
  }
  // At least imageStarted and imageComplete, plus any number of imageProgress
  InOrder ordered = inOrder(listener);
  ordered.verify(listener).imageStarted(reader, 0);
  ordered.verify(listener, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listener).imageComplete(reader);
  reader.dispose();
}

@Test
public void testAddIIOReadProgressListenerCallbacksJPEG() {
  ImageReader reader = createReader();
  TestData data = new TestData(getClassLoaderResource("/bmpsuite/q/rgb24jpeg.bmp"), new Dimension(127, 64));
  reader.setInput(data.getInputStream());
  IIOReadProgressListener listener = mock(IIOReadProgressListener.class);
  reader.addIIOReadProgressListener(listener);
  try {
    reader.read(0);
  }
  catch (IOException e) {
    fail("Could not read image");
  }
  // At least imageStarted and imageComplete, plus any number of imageProgress
  InOrder ordered = inOrder(listener);
  ordered.verify(listener).imageStarted(reader, 0);
  ordered.verify(listener, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listener).imageComplete(reader);
}

@Test
public void testRemoveIIOReadProgressListenerMultiple() {
  ImageReader reader = createReader();
  TestData data = getTestData().get(0);
  reader.setInput(data.getInputStream());
  IIOReadProgressListener listener = mock(IIOReadProgressListener.class, "Listener1");
  reader.addIIOReadProgressListener(listener);
  IIOReadProgressListener listenerToo = mock(IIOReadProgressListener.class, "Listener2");
  reader.addIIOReadProgressListener(listenerToo);
  reader.removeIIOReadProgressListener(listener);
  try {
    reader.read(0);
  }
  catch (IOException e) {
    fail("Could not read image");
  }
  // Should not have called any methods on listener1...
  verifyZeroInteractions(listener);
  InOrder ordered = inOrder(listenerToo);
  ordered.verify(listenerToo).imageStarted(reader, 0);
  ordered.verify(listenerToo, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listenerToo).imageComplete(reader);
  reader.dispose();
}

@Test
public void testAbort() {
  final ImageReader reader = createReader();
  TestData data = getTestData().get(0);
  reader.setInput(data.getInputStream());
  IIOReadProgressListener listener = mock(IIOReadProgressListener.class, "Progress1");
  reader.addIIOReadProgressListener(listener);
  IIOReadProgressListener listenerToo = mock(IIOReadProgressListener.class, "Progress2");
  reader.addIIOReadProgressListener(listenerToo);
  // Create a listener that just makes the reader abort immediately...
  IIOReadProgressListener abortingListener = mock(IIOReadProgressListener.class, "Aborter");
  Answer<Void> abort = new Answer<Void>() {
    public Void answer(InvocationOnMock invocation) throws Throwable {
      reader.abort();
      return null;
    }
  };
  doAnswer(abort).when(abortingListener).imageStarted(any(ImageReader.class), anyInt());
  doAnswer(abort).when(abortingListener).imageProgress(any(ImageReader.class), anyInt());
  reader.addIIOReadProgressListener(abortingListener);
  try {
    reader.read(0);
  }
  catch (IOException e) {
    failBecause("Image could not be read", e);
  }
  verify(listener).readAborted(reader);
  verify(listenerToo).readAborted(reader);
  reader.dispose();
}

@Test
public void testAddIIOReadProgressListenerCallbacks() {
  ImageReader reader = createReader();
  TestData data = getTestData().get(0);
  reader.setInput(data.getInputStream());
  IIOReadProgressListener listener = mock(IIOReadProgressListener.class);
  reader.addIIOReadProgressListener(listener);
  try {
    reader.read(0);
  }
  catch (IOException e) {
    fail("Could not read image");
  }
  // At least imageStarted and imageComplete, plus any number of imageProgress
  InOrder ordered = inOrder(listener);
  ordered.verify(listener).imageStarted(reader, 0);
  ordered.verify(listener, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listener).imageComplete(reader);
}

@Test
public void testMultipleAddIIOReadProgressListenerCallbacks() {
  ImageReader reader = createReader();
  TestData data = getTestData().get(0);
  reader.setInput(data.getInputStream());
  IIOReadProgressListener listener = mock(IIOReadProgressListener.class);
  IIOReadProgressListener listenerToo = mock(IIOReadProgressListener.class);
  IIOReadProgressListener listenerThree = mock(IIOReadProgressListener.class);
  reader.addIIOReadProgressListener(listener);
  reader.addIIOReadProgressListener(listenerToo);
  reader.addIIOReadProgressListener(listenerThree);
  try {
    reader.read(0);
  }
  catch (IOException e) {
    fail("Could not read image");
  }
  // At least imageStarted and imageComplete, plus any number of imageProgress
  InOrder ordered = inOrder(listener, listenerToo, listenerThree);
  ordered.verify(listener).imageStarted(reader, 0);
  ordered.verify(listenerToo).imageStarted(reader, 0);
  ordered.verify(listenerThree).imageStarted(reader, 0);
  ordered.verify(listener, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listenerToo, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listenerThree, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listener).imageComplete(reader);
  ordered.verify(listenerToo).imageComplete(reader);
  ordered.verify(listenerThree).imageComplete(reader);
}

@Test
public void testRemoveIIOReadProgressListenerMultiple() {
  ImageReader reader = createReader();
  TestData data = getTestData().get(0);
  reader.setInput(data.getInputStream());
  IIOReadProgressListener listener = mock(IIOReadProgressListener.class, "Listener1");
  reader.addIIOReadProgressListener(listener);
  IIOReadProgressListener listenerToo = mock(IIOReadProgressListener.class, "Listener2");
  reader.addIIOReadProgressListener(listenerToo);
  reader.removeIIOReadProgressListener(listener);
  try {
    reader.read(0);
  }
  catch (IOException e) {
    fail("Could not read image");
  }
  // Should not have called any methods on listener1...
  verifyZeroInteractions(listener);
  InOrder ordered = inOrder(listenerToo);
  ordered.verify(listenerToo).imageStarted(reader, 0);
  ordered.verify(listenerToo, atLeastOnce()).imageProgress(eq(reader), anyInt());
  ordered.verify(listenerToo).imageComplete(reader);
}

@Test
public void testAbort() {
  final ImageReader reader = createReader();
  TestData data = getTestData().get(0);
  reader.setInput(data.getInputStream());
  IIOReadProgressListener listener = mock(IIOReadProgressListener.class, "Progress1");
  reader.addIIOReadProgressListener(listener);
  IIOReadProgressListener listenerToo = mock(IIOReadProgressListener.class, "Progress2");
  reader.addIIOReadProgressListener(listenerToo);
  // Create a listener that just makes the reader abort immediately...
  IIOReadProgressListener abortingListener = mock(IIOReadProgressListener.class, "Aborter");
  Answer<Void> abort = new Answer<Void>() {
    public Void answer(InvocationOnMock invocation) throws Throwable {
      reader.abort();
      return null;
    }
  };
  doAnswer(abort).when(abortingListener).imageStarted(any(ImageReader.class), anyInt());
  doAnswer(abort).when(abortingListener).imageProgress(any(ImageReader.class), anyInt());
  reader.addIIOReadProgressListener(abortingListener);
  try {
    reader.read(0);
  }
  catch (IOException e) {
    failBecause("Image could not be read", e);
  }
  verify(listener).readAborted(reader);
  verify(listenerToo).readAborted(reader);
}

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How to use imageStartedmethodin javax.imageio.event.IIOReadProgressListener

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imageStarted
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javax.imageio.event.IIOReadProgressListener