Examples of org.akubraproject.Blob.openInputStream()

org.akubraproject.Blob.openInputStream()
Opens a new InputStream for reading the content. @return the input stream. @throws MissingBlobException if the blob does not {@link #exists exist}. @throws IOException if the stream cannot be opened for any other reason.

  }


  public InputStream get(String pid, String dsId) throws IOException {
    BlobStoreConnection connection = openConnection(blobStore);
    Blob blob = getBlob(connection, pid, dsId);
    return blob.openInputStream();
  }


  public List<URI> list(String filterPrefix) throws IOException {
    List<URI> ids = new ArrayList<URI>();
    BlobStoreConnection connection = openConnection(blobStore);

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    // openInputStream on non-existent blob
    shouldFail(new ConAction() {
      public void run(BlobStoreConnection con) throws Exception {
        Blob b = getBlob(con, id1, false);
        b.openInputStream().close();
      }
    }, MissingBlobException.class, id1);


    // openInputStream on existing blob
    runTests(new ConAction() {

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          createBlob(con, b, body);


          // read partial body
          byte[] buf = new byte[100];


          InputStream is = b.openInputStream();
          int got = is.read(buf, 0, 10);
          assertTrue(got > 0 && got <= 10, "Invalid number of bytes read: " + got);
          int len = got;
          is.close();
          assertEquals(new String(buf, 0, len, "UTF-8"), body.substring(0, len));

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          assertTrue(got > 0 && got <= 10, "Invalid number of bytes read: " + got);
          int len = got;
          is.close();
          assertEquals(new String(buf, 0, len, "UTF-8"), body.substring(0, len));


          is = b.openInputStream();
          got = 0;
          while (got < len) {
            int skipped = (int) is.skip(len - got);
            assertTrue(skipped > 0 && skipped <= (len - got),
                       "Invalid number of bytes skipped: " + skipped);

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