Examples of java.util.zip.ZipInputStream.available()

java.util.zip.ZipInputStream.available()
Returns 0 after EOF has reached for the current entry data, otherwise always return 1.
Programs should not count on this method to return the actual number of bytes that could be read without blocking. @return 1 before EOF and 0 after EOF has reached for current entry. @exception IOException if an I/O error occurs.

  private InputStream getUnderlyingInputStream(InputStream inputStream, Map<?, ?> options) throws IOException
  {
    if (useZip() || (options != null && Boolean.TRUE.equals(options.get(Resource.OPTION_ZIP))))
    {
      ZipInputStream zipInputStream = new ZipInputStream(inputStream);
      while (zipInputStream.available() != 0)
      {
        ZipEntry zipEntry = zipInputStream.getNextEntry();
        if (isContentZipEntry(zipEntry))
        {
          return zipInputStream;

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    }
    InputStream stream = null;
    try {
      stream = jarFile.openStream();
      ZipInputStream zip = new ZipInputStream(stream);
      while (zip.available() > 0) {
        ZipEntry nextEntry = zip.getNextEntry();
        if (nextEntry == null || nextEntry.isDirectory()) {
          continue;
        }
        String name = "/" + nextEntry.getName();

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          }
          InputStream stream = null;
          try {
            stream = jarFile.openStream();
            ZipInputStream zip = new ZipInputStream(stream);
            while (zip.available() > 0) {
              ZipEntry nextEntry = zip.getNextEntry();
              if (nextEntry == null || nextEntry.isDirectory()) {
                continue;
              }
              String name = "/" + nextEntry.getName();

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            ZipEntry entry = zin.getNextEntry();
            if (entry==null) {
                break;
            }


            while (zin.available()>0) {
                zin.skip(zin.available());
            }
        }
    }
    public void testDataLength() throws Exception {

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            if (entry==null) {
                break;
            }


            while (zin.available()>0) {
                zin.skip(zin.available());
            }
        }
    }
    public void testDataLength() throws Exception {
        POIFSFileSystem fs = new POIFSFileSystem(POIDataSamples.getPOIFSInstance().openResourceAsStream("protected_agile.docx"));

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            ZipEntry entry = zin.getNextEntry();
            if (entry==null) {
                break;
            }


            while (zin.available()>0) {
                zin.skip(zin.available());
            }
        }
    }

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            if (entry==null) {
                break;
            }


            while (zin.available()>0) {
                zin.skip(zin.available());
            }
        }
    }


}

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            ZipEntry entry = zin.getNextEntry();
            if (entry==null) {
                break;
            }


            while (zin.available()>0) {
                zin.skip(zin.available());
            }
        }
    }
}

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            if (entry==null) {
                break;
            }


            while (zin.available()>0) {
                zin.skip(zin.available());
            }
        }
    }
}

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                    zip.getNextEntry();


                    baos = new ByteArrayOutputStream();
                    final byte[] buffer = new byte[8192];
                    int length = -1;
                    while (zip.available() > 0) {
                        length = zip.read(buffer, 0, 8192);
                        if (length > 0) {
                            baos.write(buffer, 0, length);
                        }
                    }

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