Examples of java.io.DataInputStream.available()

java.io.DataInputStream.available()
Returns the number of bytes that can be read from this input stream without blocking.
This method simply performs in.available() and returns the result. @return the number of bytes that can be read from the input streamwithout blocking. @exception IOException if an I/O error occurs.

  private static String buildString(ByteBuffer data, boolean isPatch, boolean completeDataDump) throws IOException, UnsupportedEncodingException {
    if (isPatch) {
      DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data.array(), data.arrayOffset(), data.remaining()));
      StringBuilder sb = new StringBuilder();
      sb.append("<PATCH>:\n");
      while (dis.available() > 0) {
        int s = dis.readInt();
        int e = dis.readInt();
        int l = dis.readInt();
        sb.append(String.format("%d..%d, %d", s, e, l));
        if (completeDataDump) {

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        final int numEntries) throws IOException {
      DataInputStream in = readRootIndex(blk, numEntries);
      // after reading the root index the checksum bytes have to
      // be subtracted to know if the mid key exists.
      int checkSumBytes = blk.totalChecksumBytes();
      if ((in.available() - checkSumBytes) < MID_KEY_METADATA_SIZE) {
        // No mid-key metadata available.
        return;
      }
      midLeafBlockOffset = in.readLong();
      midLeafBlockOnDiskSize = in.readInt();

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                case Leader.PING:
                    // Process the touches
                    ByteArrayInputStream bis = new ByteArrayInputStream(qp
                            .getData());
                    DataInputStream dis = new DataInputStream(bis);
                    while (dis.available() > 0) {
                        long sess = dis.readLong();
                        int to = dis.readInt();
                        leader.zk.touch(sess, to);
                    }
                    break;

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    private static Pair<ReplayPosition, Long> truncationRecordFromBlob(ByteBuffer bytes)
    {
        try
        {
            DataInputStream in = new DataInputStream(ByteBufferUtil.inputStream(bytes));
            return Pair.create(ReplayPosition.serializer.deserialize(in), in.available() > 0 ? in.readLong() : Long.MIN_VALUE);
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }

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      }
      assertTrue(t.get(1) instanceof String);


      assertEquals("2010-10-10", t.get(1));
    }
    assertEquals(0,stream.available());
    stream.close();
    howlDriver.run("drop table junit_pigstorage");
  }


  public void testDelim() throws MetaException, TException, UnknownTableException, NoSuchObjectException, InvalidOperationException, IOException{

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        DataInputStream in = new DataInputStream(tempFile.getInputStream());
        try {
            final byte[] contentsRead = new byte[contents.length];
            in.readFully(contentsRead);
            assertThat("Expected input stream to be exhausted after reading the full contents", in.available(), equalTo(0));
            assertThat("Expected contents in temporary file to be identical to data written into it", contentsRead, equalTo(contents));
        } finally {
            closeQuietly(in);
        }

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    // Read the entire query
    boolean excludeQuery = false;
    String hadoopVer = ShimLoader.getMajorVersion();
    while (dis.available() != 0) {
      String line = dis.readLine();


      // While we are reading the lines, detect whether this query wants to be
      // excluded from running because the Hadoop version is incorrect
      Matcher matcher = pattern.matcher(line);

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        System.out.println("Process created");
        DataInputStream in = new DataInputStream(p.getInputStream());


        while(true)
        {
          if(in.available() > 1)
          {
            str = in.readLine();
            addLog(str);
            System.out.println(str);
          }

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            } else {
                file = new FileInputStream(f);
            }


            DataInputStream in = new DataInputStream(file);
            byte[] data = new byte[in.available()];
            in.readFully(data);
            in.close();
            script = new String(data, 0, data.length, "utf-8");
        } catch (IOException e) {
            player.printError("Script read error: " + e.getMessage());

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    BufferedInputStream bis = new BufferedInputStream(fis);
    DataInputStream dis = new DataInputStream(bis);
    StringBuffer qsb = new StringBuffer();
      
    // Read the entire query
    while(dis.available() != 0) {
      qsb.append(dis.readLine() + "\n");
    }
    qMap.put(qf.getName(), qsb.toString());
  }

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