diff --git a/java/BundleChecker.java b/java/BundleChecker.java
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--- a/java/BundleChecker.java
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-Branch: master Find file Copy pathbrotli/java/integration/BundleChecker.java
-e9b278a  on 31 Oct 2016
-@eustas eustas Update docs and add more java tests (#463)
-1 contributor
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-Executable File  141 lines (129 sloc)  4.46 KB
-/* Copyright 2016 Google Inc. All Rights Reserved.
-   Distributed under MIT license.
-   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
-*/
-
-package org.brotli.integration;
-
-import org.brotli.dec.BrotliInputStream;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FilterInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.math.BigInteger;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipInputStream;
-
-/**
- * Decompress files and (optionally) checks their checksums.
- *
- * <p> File are read from ZIP archive passed as an array of bytes. Multiple checkers negotiate about
- * task distribution via shared AtomicInteger counter.
- * <p> All entries are expected to be valid brotli compressed streams and output CRC64 checksum
- * is expected to match the checksum hex-encoded in the first part of entry name.
- */
-public class BundleChecker implements Runnable {
-  final AtomicInteger nextJob;
-  final InputStream input;
-  final boolean sanityCheck;
-
-  /**
-   * @param sanityCheck do not calculate checksum and ignore {@link IOException}.
-   */
-  public BundleChecker(InputStream input, AtomicInteger nextJob, boolean sanityCheck) {
-    this.input = input;
-    this.nextJob = nextJob;
-    this.sanityCheck = sanityCheck;
-  }
-
-  /** ECMA CRC64 polynomial. */
-  static final long CRC_64_POLY = new BigInteger("C96C5795D7870F42", 16).longValue();
-
-  /**
-   * Rolls CRC64 calculation.
-   *
-   * <p> {@code CRC64(data) = -1 ^ updateCrc64((... updateCrc64(-1, firstBlock), ...), lastBlock);}
-   * <p> This simple and reliable checksum is chosen to make is easy to calculate the same value
-   * across the variety of languages (C++, Java, Go, ...).
-   */
-  private static long updateCrc64(long crc, byte[] data, int offset, int length) {
-    for (int i = offset; i < offset + length; ++i) {
-      long c = (crc ^ (long) (data[i] & 0xFF)) & 0xFF;
-      for (int k = 0; k < 8; k++) {
-        c = ((c & 1) == 1) ? CRC_64_POLY ^ (c >>> 1) : c >>> 1;
-      }
-      crc = c ^ (crc >>> 8);
-    }
-    return crc;
-  }
-
-  private long decompressAndCalculateCrc(ZipInputStream input) throws IOException {
-    /* Do not allow entry readers to close the whole ZipInputStream. */
-    FilterInputStream entryStream = new FilterInputStream(input) {
-      @Override
-      public void close() {}
-    };
-
-    long crc = -1;
-    byte[] buffer = new byte[65536];
-    BrotliInputStream decompressedStream = new BrotliInputStream(entryStream);
-    while (true) {
-      int len = decompressedStream.read(buffer);
-      if (len <= 0) {
-        break;
-      }
-      crc = updateCrc64(crc, buffer, 0, len);
-    }
-    decompressedStream.close();
-    return crc ^ -1;
-  }
-
-  @Override
-  public void run() {
-    String entryName = "";
-    ZipInputStream zis = new ZipInputStream(input);
-    try {
-      int entryIndex = 0;
-      ZipEntry entry = null;
-      int jobIndex = nextJob.getAndIncrement();
-      while ((entry = zis.getNextEntry()) != null) {
-        if (entry.isDirectory()) {
-          continue;
-        }
-        if (entryIndex++ != jobIndex) {
-          zis.closeEntry();
-          continue;
-        }
-        entryName = entry.getName();
-        int dotIndex = entryName.indexOf('.');
-        String entryCrcString = (dotIndex == -1) ? entryName : entryName.substring(0, dotIndex);
-        long entryCrc = new BigInteger(entryCrcString, 16).longValue();
-        try {
-          if (entryCrc != decompressAndCalculateCrc(zis) && !sanityCheck) {
-            throw new RuntimeException("CRC mismatch");
-          }
-        } catch (IOException iox) {
-          if (!sanityCheck) {
-            throw new RuntimeException("Decompression failed", iox);
-          }
-        }
-        zis.closeEntry();
-        entryName = "";
-        jobIndex = nextJob.getAndIncrement();
-      }
-      zis.close();
-      input.close();
-    } catch (Throwable ex) {
-      throw new RuntimeException(entryName, ex);
-    }
-  }
-
-  public static void main(String[] args) throws FileNotFoundException {
-    int argsOffset = 0;
-    boolean sanityCheck = false;
-    if (args.length != 0) {
-      if (args[0].equals("-s")) {
-        sanityCheck = true;
-        argsOffset = 1;
-      }
-    }
-    if (args.length == argsOffset) {
-      throw new RuntimeException("Usage: BundleChecker [-s] <fileX.zip> ...");
-    }
-    for (int i = argsOffset; i < args.length; ++i) {
-      new BundleChecker(new FileInputStream(args[i]), new AtomicInteger(0), sanityCheck).run();
-    }
-  }
-}
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