Examples of org.jclouds.io.PayloadSlicer.slice()

org.jclouds.io.PayloadSlicer.slice()
Returns a {@link Payload} that returns input streams from the an underlying payload, whereeach stream starts at the given offset and is limited to the specified number of bytes. @param input the payload from which to get the raw streams @param offset the offset in bytes into the underlying stream where the returned streams will start @param length the maximum length of the returned streams @throws IllegalArgumentException if offset or length are negative

   public void testIterableSliceExpectedSingle() throws IOException {
      PayloadSlicer slicer = new BasePayloadSlicer();
      String contents = "aaaaaaaaaabbbbbbbbbbccccc";
      Payload payload = new InputStreamPayload(new ByteArrayInputStream(contents.getBytes(Charsets.US_ASCII)));


      Iterator<Payload> iter = slicer.slice(payload, 25).iterator();


      assertTrue(iter.hasNext(), "Not enough results");
      assertEquals(Strings2.toStringAndClose(iter.next().openStream()), contents);
      assertFalse(iter.hasNext());

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   @Test
   public void testIterableSliceExpectedMulti() throws IOException {
      PayloadSlicer slicer = new BasePayloadSlicer();
      Payload payload = new InputStreamPayload(new ByteArrayInputStream("aaaaaaaaaabbbbbbbbbbccccc".getBytes(Charsets.US_ASCII)));


      Iterator<Payload> iter = slicer.slice(payload, 10).iterator();


      assertTrue(iter.hasNext(), "Not enough results");
      assertEquals(Strings2.toStringAndClose(iter.next().getInput()), "aaaaaaaaaa");
      assertTrue(iter.hasNext(), "Not enough results");
      assertEquals(Strings2.toStringAndClose(iter.next().getInput()), "bbbbbbbbbb");

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      byte[] contentBytes = content.getBytes(Charsets.UTF_8);
      ByteSource byteSource = ByteSources.repeatingArrayByteSource(contentBytes).slice(0, 1024);
      PayloadSlicer slicer = new BasePayloadSlicer();
      Payload payload = new ByteSourcePayload(byteSource);


      assertEquals(Iterables.size(slicer.slice(payload, 100)), 11);
      assertEquals(Iterables.size(slicer.slice(payload, 53)), 20);
   }
}

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      ByteSource byteSource = ByteSources.repeatingArrayByteSource(contentBytes).slice(0, 1024);
      PayloadSlicer slicer = new BasePayloadSlicer();
      Payload payload = new ByteSourcePayload(byteSource);


      assertEquals(Iterables.size(slicer.slice(payload, 100)), 11);
      assertEquals(Iterables.size(slicer.slice(payload, 53)), 20);
   }
}

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      ByteSource bytes = ByteSource.wrap("ABCD".getBytes(Charsets.UTF_8));
      Payload payload = Payloads.newByteSourcePayload(bytes);
      payload.setContentMetadata(contentMetadata);
      blob.setPayload(payload);


      expect(slicer.slice(payload, 0, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE * 2, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE * 3, oneMB)).andReturn(payload);
      client.putBlock(eq(container), eq(blobName), anyObject(String.class), eq(payload));
      expectLastCall().times(4);

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      Payload payload = Payloads.newByteSourcePayload(bytes);
      payload.setContentMetadata(contentMetadata);
      blob.setPayload(payload);


      expect(slicer.slice(payload, 0, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE * 2, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE * 3, oneMB)).andReturn(payload);
      client.putBlock(eq(container), eq(blobName), anyObject(String.class), eq(payload));
      expectLastCall().times(4);
      expect(client.putBlockList(eq(container), eq(blobName), EasyMock.<List<String>>anyObject())).andReturn("Fake ETAG");

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      payload.setContentMetadata(contentMetadata);
      blob.setPayload(payload);


      expect(slicer.slice(payload, 0, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE * 2, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE * 3, oneMB)).andReturn(payload);
      client.putBlock(eq(container), eq(blobName), anyObject(String.class), eq(payload));
      expectLastCall().times(4);
      expect(client.putBlockList(eq(container), eq(blobName), EasyMock.<List<String>>anyObject())).andReturn("Fake ETAG");

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      blob.setPayload(payload);


      expect(slicer.slice(payload, 0, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE * 2, MultipartUploadStrategy.MAX_BLOCK_SIZE)).andReturn(payload);
      expect(slicer.slice(payload, MultipartUploadStrategy.MAX_BLOCK_SIZE * 3, oneMB)).andReturn(payload);
      client.putBlock(eq(container), eq(blobName), anyObject(String.class), eq(payload));
      expectLastCall().times(4);
      expect(client.putBlockList(eq(container), eq(blobName), EasyMock.<List<String>>anyObject())).andReturn("Fake ETAG");


      AzureBlobBlockUploadStrategy strat = new AzureBlobBlockUploadStrategy(client, slicer);

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