本文整理了Java中java.io.RandomAccessFile.getFilePointer方法的一些代码示例，展示了RandomAccessFile.getFilePointer的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。RandomAccessFile.getFilePointer方法的具体详情如下：
包路径：java.io.RandomAccessFile
类名称：RandomAccessFile
方法名：getFilePointer

RandomAccessFile.getFilePointer介绍

[英]Gets the current position within this file. All reads and writes take place at the current file pointer position.
[中]获取此文件中的当前位置。所有读写操作都在当前文件指针位置进行。

代码示例

代码示例来源：origin: jenkinsci/jenkins

public void skip(long start) throws IOException {
  file.seek(file.getFilePointer()+start);
}

代码示例来源：origin: hankcs/HanLP

private int nextId() throws IOException
{
  if (raf.length() - raf.getFilePointer() >= 4)
  {
    int id = raf.readInt();
    return id < 0 ? id : table[id];
  }
  return -2;
}

代码示例来源：origin: robovm/robovm

/**
 * Skips over {@code count} bytes in this file. Less than {@code count}
 * bytes are skipped if the end of the file is reached or an exception is
 * thrown during the operation. Nothing is done if {@code count} is
 * negative.
 *
 * @param count
 *            the number of bytes to skip.
 * @return the number of bytes actually skipped.
 * @throws IOException
 *             if this file is closed or another I/O error occurs.
 */
public int skipBytes(int count) throws IOException {
  if (count > 0) {
    long currentPos = getFilePointer(), eof = length();
    int newCount = (int) ((currentPos + count > eof) ? eof - currentPos : count);
    seek(currentPos + newCount);
    return newCount;
  }
  return 0;
}

代码示例来源：origin: normanmaurer/netty-in-action

public void run() throws Exception {
  Channel ch = bootstrap.bind(0).sync().channel();
  long pointer = 0;
  for (;;) {
    long len = file.length();
    if (len < pointer) {
      // file was reset
      pointer = len;
    } else if (len > pointer) {
      // Content was added
      RandomAccessFile raf = new RandomAccessFile(file, "r");
      raf.seek(pointer);
      String line;
      while ((line = raf.readLine()) != null) {
        ch.writeAndFlush(new LogEvent(null, -1,
        file.getAbsolutePath(), line));
      }
      pointer = raf.getFilePointer();
      raf.close();
    }
    try {
      Thread.sleep(1000);
    } catch (InterruptedException e) {
      Thread.interrupted();
      break;
    }
  }
}

代码示例来源：origin: apache/flume

SetMultimap<Long, Long> inflights = HashMultimap.create();
if (!fileChannel.isOpen()) {
 file = new RandomAccessFile(inflightEventsFile, "rw");
 fileChannel = file.getChannel();
if (file.length() == 0) {
 return inflights;
file.seek(0);
byte[] checksum = new byte[16];
file.read(checksum);
ByteBuffer buffer = ByteBuffer.allocate(
  (int) (file.length() - file.getFilePointer()));
fileChannel.read(buffer);
byte[] fileChecksum = digest.digest(buffer.array());

代码示例来源：origin: tonihele/OpenKeeper

private void readFileContents(File file) throws IOException {
  try (RandomAccessFile data = new RandomAccessFile(file, "r")) {
    while (data.getFilePointer() < data.length()) {
      // Read header (and put the file pointer to the data start)
      KwdHeader header = readKwdHeader(data);
      readFileContents(header, data);
    }
    if (data.getFilePointer() != data.length()) {
      throw new RuntimeException("Failed to parse file");
    }
  }
}

代码示例来源：origin: apache/incubator-druid

long lastOffset = 0;
try (final RandomAccessFile raf = new RandomAccessFile(dest, "rw")) {
 final int fd = getfd(raf.getFD());
   offset = raf.getFilePointer();
   numBytes = 0;

代码示例来源：origin: Meituan-Dianping/walle

FileChannel fileChannel = null;
try {
  fIn = new RandomAccessFile(apkFile, "rw");
  fileChannel = fIn.getChannel();
  final long commentLength = ApkUtil.getCommentLength(fileChannel);
    fIn.seek(centralDirStartOffset);
    fIn.setLength(fIn.getFilePointer());
    fIn.seek(fileChannel.size() - commentLength - 6);

代码示例来源：origin: apache/ignite

/**
 * @throws Exception If failed.
 */
@Test
public void testReadLineFromBinaryFile() throws Exception {
  File file = new File(FILE_PATH);
  file.deleteOnExit();
  RandomAccessFile raf = new RandomAccessFile(file, "rw");
  byte[] b = new byte[100];
  Arrays.fill(b, (byte)10);
  raf.write(b);
  raf.writeBytes("swap-spaces/space1/b53b3a3d6ab90ce0268229151c9bde11|" +
    "b53b3a3d6ab90ce0268229151c9bde11|1315392441288" + U.nl());
  raf.writeBytes("swap-spaces/space1/b53b3a3d6ab90ce0268229151c9bde11|" +
    "b53b3a3d6ab90ce0268229151c9bde11|1315392441288" + U.nl());
  raf.write(b);
  raf.writeBytes("test" + U.nl());
  raf.getFD().sync();
  raf.seek(0);
  while (raf.getFilePointer() < raf.length()) {
    String s = raf.readLine();
    X.println("String: " + s + ";");
    X.println("String length: " + s.length());
    X.println("File pointer: " + raf.getFilePointer());
  }
}

代码示例来源：origin: atomix/atomix

/**
 * Seeks to the given offset.
 */
private void seekToOffset(int offset) throws IOException {
 if (randomAccessFile.getFilePointer() != offset) {
  randomAccessFile.seek(offset);
 }
}

代码示例来源：origin: TeamNewPipe/NewPipe

@Override
public int available() {
  try {
    return (int) (source.length() - source.getFilePointer());
  } catch (IOException ex) {
    return 0;
  }
}

代码示例来源：origin: ivan-vasilev/neuralnetworks

public byte[] getNextInput()
{
  try
  {
    if (file.length() - file.getFilePointer() < buffer.length)
    {
      int s = (int) (file.length() - file.getFilePointer());
      ByteBuffer bb = ByteBuffer.wrap(buffer, 0, s);
      this.file.getChannel().read(bb);
      bb = ByteBuffer.wrap(buffer, buffer.length - s, s);
      this.file.seek(0);
      this.file.getChannel().read(bb);
    } else
    {
      ByteBuffer bb = ByteBuffer.wrap(buffer);
      this.file.getChannel().read(bb);
    }
  } catch (IOException e)
  {
    e.printStackTrace();
  }
  return buffer;
}

代码示例来源：origin: jpcsp/jpcsp

private void printLogSettingsFile() {
  try {
    RandomAccessFile raf = new RandomAccessFile(LogSettingsPath, "r");
    while (raf.getFilePointer() < raf.length()) {
      settingsArea.append(raf.readLine() + LB);
    }
    raf.close();
  } catch (Exception e) {
    settingsArea.setEnabled(false);
  }
}

代码示例来源：origin: stackoverflow.com

RandomAccessFile file = new RandomAccessFile("filename.txt", "r");
 List<Long> indexList = new ArrayList();
 long pos = 0;
 while (file.readLine() != null)
 {
   Long linePos = new Long(pos);
   indexList.add(linePos);
   pos = file.getFilePointer();
 }
 int indexSize = indexList.size();
 Long[] indexArray = new Long[indexSize];
 indexList.toArray(indexArray);

代码示例来源：origin: mcxiaoke/packer-ng-plugin

FileChannel fc = null;
try {
  raf = new RandomAccessFile(apkFile, "rw");
  fc = raf.getChannel();
  final long commentLength = ApkUtil.findZipCommentLength(fc);
  raf.seek(centralDirStartOffset);
  final byte[] centralDirBytes = new byte[(int) (fc.size() - centralDirStartOffset)];
  raf.read(centralDirBytes);
  raf.setLength(raf.getFilePointer());
  raf.seek(fc.size() - commentLength - 6);

代码示例来源：origin: stackoverflow.com

public void insert(String filename, long offset, byte[] content) {
 RandomAccessFile r = new RandomAccessFile(new File(filename), "rw");
 RandomAccessFile rtemp = new RandomAccessFile(new File(filename + "~"), "rw");
 long fileSize = r.length();
 FileChannel sourceChannel = r.getChannel();
 FileChannel targetChannel = rtemp.getChannel();
 sourceChannel.transferTo(offset, (fileSize - offset), targetChannel);
 sourceChannel.truncate(offset);
 r.seek(offset);
 r.write(content);
 long newOffset = r.getFilePointer();
 targetChannel.position(0L);
 sourceChannel.transferFrom(targetChannel, newOffset, (fileSize - offset));
 sourceChannel.close();
 targetChannel.close();
}

代码示例来源：origin: ltsopensource/light-task-scheduler

private void flushBuf() throws IOException {
  if (this.bufDirty) {
    if (super.getFilePointer() != this.bufStartPos) {
      super.seek(this.bufStartPos);
    }
    super.write(this.buf, 0, this.bufUsedSize);
    this.bufDirty = false;
  }
}

代码示例来源：origin: nutzam/nutz

@Override
public int available() throws IOException {
  return (int) (raf.length() - raf.getFilePointer());
}

代码示例来源：origin: apache/activemq

public void corruptRecoveryLocation(Location recoveryPosition) throws IOException {
  DataFile dataFile = getDataFile(recoveryPosition);
  // with corruption on recovery we have no faith in the content - slip to the next batch record or eof
  DataFileAccessor reader = accessorPool.openDataFileAccessor(dataFile);
  try {
    RandomAccessFile randomAccessFile = reader.getRaf().getRaf();
    randomAccessFile.seek(recoveryPosition.getOffset() + 1);
    byte[] data = new byte[getWriteBatchSize()];
    ByteSequence bs = new ByteSequence(data, 0, randomAccessFile.read(data));
    int nextOffset = 0;
    if (findNextBatchRecord(bs, randomAccessFile) >= 0) {
      nextOffset = Math.toIntExact(randomAccessFile.getFilePointer() - bs.remaining());
    } else {
      nextOffset = Math.toIntExact(randomAccessFile.length());
    }
    Sequence sequence = new Sequence(recoveryPosition.getOffset(), nextOffset - 1);
    LOG.warn("Corrupt journal records found in '{}' between offsets: {}", dataFile.getFile(), sequence);
    // skip corruption on getNextLocation
    recoveryPosition.setOffset(nextOffset);
    recoveryPosition.setSize(-1);
    dataFile.corruptedBlocks.add(sequence);
  } catch (IOException e) {
  } finally {
    accessorPool.closeDataFileAccessor(reader);
  }
}

代码示例来源：origin: stackoverflow.com

RandomAccessFile first = new RandomAccessFile("D:\\Temp.txt","r");
 RandomAccessFile second = new RandomAccessFile("D:\\Temp.txt","r");
 String line;
 String nextLine = second.readLine();
 while (nextLine != null) {
   line = first.readLine();
   nextLine = second.readLine();
   if ((line.contains("[DesiredText]") && nextLine.isEmpty())) {
     pozycje.add(first.getFilePointer());
   }
 }