Package org.apache.lucene.store

Examples of org.apache.lucene.store.DataInput$GZIPInputStreamInput

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        }
      }

      final PagedBytes.Reader reader = p.freeze(random.nextBoolean());

      final DataInput in = p.getDataInput();

      final byte[] verify = new byte[numBytes];
      int read = 0;
      while(read < numBytes) {
        if (random().nextInt(10) == 7) {
          verify[read++] = in.readByte();
        } else {
          int chunk = Math.min(random().nextInt(1000), numBytes - read);
          in.readBytes(verify, read, chunk);
          read += chunk;
        }
      }
      assertTrue(Arrays.equals(answer, verify));
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    String[] inflTypeDict = null;
    ByteBuffer buffer = null;
    try {
      mapIS = getResource(TARGETMAP_FILENAME_SUFFIX);
      mapIS = new BufferedInputStream(mapIS);
      DataInput in = new InputStreamDataInput(mapIS);
      CodecUtil.checkHeader(in, TARGETMAP_HEADER, VERSION, VERSION);
      targetMap = new int[in.readVInt()];
      targetMapOffsets = new int[in.readVInt()];
      int accum = 0, sourceId = 0;
      for (int ofs = 0; ofs < targetMap.length; ofs++) {
        final int val = in.readVInt();
        if ((val & 0x01) != 0) {
          targetMapOffsets[sourceId] = ofs;
          sourceId++;
        }
        accum += val >>> 1;
        targetMap[ofs] = accum;
      }
      if (sourceId + 1 != targetMapOffsets.length)
        throw new IOException("targetMap file format broken");
      targetMapOffsets[sourceId] = targetMap.length;
      mapIS.close(); mapIS = null;
     
      posIS = getResource(POSDICT_FILENAME_SUFFIX);
      posIS = new BufferedInputStream(posIS);
      in = new InputStreamDataInput(posIS);
      CodecUtil.checkHeader(in, POSDICT_HEADER, VERSION, VERSION);
      int posSize = in.readVInt();
      posDict = new String[posSize];
      inflTypeDict = new String[posSize];
      inflFormDict = new String[posSize];
      for (int j = 0; j < posSize; j++) {
        posDict[j] = in.readString();
        inflTypeDict[j] = in.readString();
        inflFormDict[j] = in.readString();
        // this is how we encode null inflections
        if (inflTypeDict[j].length() == 0) {
          inflTypeDict[j] = null;
        }
        if (inflFormDict[j].length() == 0) {
          inflFormDict[j] = null;
        }
      }
      posIS.close(); posIS = null;
     
      dictIS = getResource(DICT_FILENAME_SUFFIX);
      // no buffering here, as we load in one large buffer
      in = new InputStreamDataInput(dictIS);
      CodecUtil.checkHeader(in, DICT_HEADER, VERSION, VERSION);
      final int size = in.readVInt();
      final ByteBuffer tmpBuffer = ByteBuffer.allocateDirect(size);
      final ReadableByteChannel channel = Channels.newChannel(dictIS);
      final int read = channel.read(tmpBuffer);
      if (read != size) {
        throw new EOFException("Cannot read whole dictionary");
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  /**
   * Calls {@link #load(DataInput)} after converting
   * {@link InputStream} to {@link DataInput}
   */
  public boolean load(InputStream input) throws IOException {
    DataInput dataIn = new InputStreamDataInput(input);
    try {
      return load(dataIn);
    } finally {
      IOUtils.close(input);
    }
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    IOException priorE = null;
    InputStream is = null;
    try {
      is = BinaryDictionary.getClassResource(getClass(), FILENAME_SUFFIX);
      is = new BufferedInputStream(is);
      final DataInput in = new InputStreamDataInput(is);
      CodecUtil.checkHeader(in, HEADER, VERSION, VERSION);
      in.readBytes(characterCategoryMap, 0, characterCategoryMap.length);
      for (int i = 0; i < CLASS_COUNT; i++) {
        final byte b = in.readByte();
        invokeMap[i] = (b & 0x01) != 0;
        groupMap[i] = (b & 0x02) != 0;
      }
    } catch (IOException ioe) {
      priorE = ioe;
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    InputStream is = null;
    short[][] costs = null;
    try {
      is = BinaryDictionary.getClassResource(getClass(), FILENAME_SUFFIX);
      is = new BufferedInputStream(is);
      final DataInput in = new InputStreamDataInput(is);
      CodecUtil.checkHeader(in, HEADER, VERSION, VERSION);
      int forwardSize = in.readVInt();
      int backwardSize = in.readVInt();
      costs = new short[backwardSize][forwardSize];
      int accum = 0;
      for (int j = 0; j < costs.length; j++) {
        final short[] a = costs[j];
        for (int i = 0; i < a.length; i++) {
          int raw = in.readVInt();
          accum += (raw >>> 1) ^ -(raw & 1);
          a[i] = (short)accum;
        }
      }
    } catch (IOException ioe) {
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        }
      }

      final PagedBytes.Reader reader = p.freeze(random.nextBoolean());

      final DataInput in = p.getDataInput();

      final byte[] verify = new byte[numBytes];
      int read = 0;
      while(read < numBytes) {
        if (random.nextInt(10) == 7) {
          verify[read++] = in.readByte();
        } else {
          int chunk = Math.min(random.nextInt(1000), numBytes - read);
          in.readBytes(verify, read, chunk);
          read += chunk;
        }
      }
      assertTrue(Arrays.equals(answer, verify));
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    String[] inflTypeDict = null;
    ByteBuffer buffer = null;
    try {
      mapIS = getResource(TARGETMAP_FILENAME_SUFFIX);
      mapIS = new BufferedInputStream(mapIS);
      DataInput in = new InputStreamDataInput(mapIS);
      CodecUtil.checkHeader(in, TARGETMAP_HEADER, VERSION, VERSION);
      targetMap = new int[in.readVInt()];
      targetMapOffsets = new int[in.readVInt()];
      int accum = 0, sourceId = 0;
      for (int ofs = 0; ofs < targetMap.length; ofs++) {
        final int val = in.readVInt();
        if ((val & 0x01) != 0) {
          targetMapOffsets[sourceId] = ofs;
          sourceId++;
        }
        accum += val >>> 1;
        targetMap[ofs] = accum;
      }
      if (sourceId + 1 != targetMapOffsets.length)
        throw new IOException("targetMap file format broken");
      targetMapOffsets[sourceId] = targetMap.length;
      mapIS.close(); mapIS = null;
     
      posIS = getResource(POSDICT_FILENAME_SUFFIX);
      posIS = new BufferedInputStream(posIS);
      in = new InputStreamDataInput(posIS);
      CodecUtil.checkHeader(in, POSDICT_HEADER, VERSION, VERSION);
      int posSize = in.readVInt();
      posDict = new String[posSize];
      inflTypeDict = new String[posSize];
      inflFormDict = new String[posSize];
      for (int j = 0; j < posSize; j++) {
        posDict[j] = in.readString();
        inflTypeDict[j] = in.readString();
        inflFormDict[j] = in.readString();
        // this is how we encode null inflections
        if (inflTypeDict[j].length() == 0) {
          inflTypeDict[j] = null;
        }
        if (inflFormDict[j].length() == 0) {
          inflFormDict[j] = null;
        }
      }
      posIS.close(); posIS = null;
     
      dictIS = getResource(DICT_FILENAME_SUFFIX);
      // no buffering here, as we load in one large buffer
      in = new InputStreamDataInput(dictIS);
      CodecUtil.checkHeader(in, DICT_HEADER, VERSION, VERSION);
      final int size = in.readVInt();
      final ByteBuffer tmpBuffer = ByteBuffer.allocateDirect(size);
      final ReadableByteChannel channel = Channels.newChannel(dictIS);
      final int read = channel.read(tmpBuffer);
      if (read != size) {
        throw new EOFException("Cannot read whole dictionary");
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    IOException priorE = null;
    InputStream is = null;
    try {
      is = BinaryDictionary.getClassResource(getClass(), FILENAME_SUFFIX);
      is = new BufferedInputStream(is);
      final DataInput in = new InputStreamDataInput(is);
      CodecUtil.checkHeader(in, HEADER, VERSION, VERSION);
      in.readBytes(characterCategoryMap, 0, characterCategoryMap.length);
      for (int i = 0; i < CLASS_COUNT; i++) {
        final byte b = in.readByte();
        invokeMap[i] = (b & 0x01) != 0;
        groupMap[i] = (b & 0x02) != 0;
      }
    } catch (IOException ioe) {
      priorE = ioe;
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    InputStream is = null;
    short[][] costs = null;
    try {
      is = BinaryDictionary.getClassResource(getClass(), FILENAME_SUFFIX);
      is = new BufferedInputStream(is);
      final DataInput in = new InputStreamDataInput(is);
      CodecUtil.checkHeader(in, HEADER, VERSION, VERSION);
      int forwardSize = in.readVInt();
      int backwardSize = in.readVInt();
      costs = new short[backwardSize][forwardSize];
      int accum = 0;
      for (int j = 0; j < costs.length; j++) {
        final short[] a = costs[j];
        for (int i = 0; i < a.length; i++) {
          int raw = in.readVInt();
          accum += (raw >>> 1) ^ -(raw & 1);
          a[i] = (short)accum;
        }
      }
    } catch (IOException ioe) {
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        }
      }

      p.freeze(random.nextBoolean());

      final DataInput in = p.getDataInput();

      final byte[] verify = new byte[numBytes];
      int read = 0;
      while(read < numBytes) {
        if (random.nextInt(10) == 7) {
          verify[read++] = in.readByte();
        } else {
          int chunk = Math.min(random.nextInt(1000), numBytes - read);
          in.readBytes(verify, read, chunk);
          read += chunk;
        }
      }
      assertTrue(Arrays.equals(answer, verify));
    }
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