java.io.RandomAccessFile.writeBytes()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中java.io.RandomAccessFile.writeBytes方法的一些代码示例，展示了RandomAccessFile.writeBytes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.writeBytes方法的具体详情如下：
包路径：java.io.RandomAccessFile
类名称：RandomAccessFile
方法名：writeBytes

RandomAccessFile.writeBytes介绍

[英]Writes the low order 8-bit bytes from a string to this file, starting at the current file pointer.
[中]从当前文件指针开始，将字符串中的低位8位字节写入该文件。

代码示例

代码示例来源：origin: cymcsg/UltimateAndroid

/**
 * Append file using RandomAccessFile
 *
 * @param fileName
 * @param content
 */
public static void WriteStreamAppendByRandomAccessFile(String fileName, String content) throws IOException {
  try {
    RandomAccessFile randomFile = new RandomAccessFile(fileName, "rw");
    long fileLength = randomFile.length();
    // Write point to the end of file.
    randomFile.seek(fileLength);
    randomFile.writeBytes(content);
    randomFile.close();
  } catch (IOException e) {
    e.printStackTrace();
  }
}

代码示例来源：origin: apache/activemq

@Override
public void writeBytes(String s) throws IOException {
  try {
    getRaf().writeBytes(s);
  } catch (IOException ioe) {
    handleException();
    throw ioe;
  }
}

代码示例来源：origin: apache/ignite

ra.writeBytes(String.valueOf(port));

代码示例来源：origin: jeremylong/DependencyCheck

file = new RandomAccessFile(lockFile, "rw");
lock = file.getChannel().lock();
file.writeBytes(magic);
file.getChannel().force(true);
Thread.sleep(20);

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: stackoverflow.com

randomAccessWriter.writeBytes("RIFF");
randomAccessWriter.writeInt(0); // Final file size not known yet, write 0 
randomAccessWriter.writeBytes("WAVE");
randomAccessWriter.writeBytes("fmt ");
randomAccessWriter.writeInt(Integer.reverseBytes(16)); // Sub-chunk size, 16 for PCM
randomAccessWriter.writeShort(Short.reverseBytes((short) 1)); // AudioFormat, 1 for PCM
randomAccessWriter.writeShort(Short.reverseBytes((short)(nChannels*bSamples/8))); // Block align, NumberOfChannels*BitsPerSample/8
randomAccessWriter.writeBytes("data");
randomAccessWriter.writeInt(0); // Data chunk size not known yet, write 0

代码示例来源：origin: i2p/i2p.i2p

public void writeBytes(String s)	throws IOException { delegate.writeBytes(s); }
public void writeChars(String s)	throws IOException { delegate.writeChars(s); }

代码示例来源：origin: apache/hive

LOG.info("corrupting " + raf + " at offset " + corruptOffset);
raf.seek(corruptOffset);
raf.writeBytes("junkjunkjunkjunkjunkjunkjunkjunk");
raf.close();

代码示例来源：origin: 0opslab/opslabJutil

/**
 * 将字符串写入到文件中
 */
public final static boolean write(File file, String str) {
  try (
      RandomAccessFile randomFile = new RandomAccessFile(file, "rw")
  ) {
    randomFile.writeBytes(str);
    return true;
  } catch (IOException e) {
    e.printStackTrace();
  }
  return false;
}

代码示例来源：origin: 0opslab/opslabJutil

/**
 * 写文件
 *
 * @param file 需要处理的函数
 * @param str  添加的子字符串
 * @return 是否成功
 */
public static boolean write(File file, String str) {
  try (
      RandomAccessFile randomFile = new RandomAccessFile(file, "rw")
  ) {
    randomFile.writeBytes(str);
    return true;
  } catch (IOException e) {
    e.printStackTrace();
  }
  return false;
}

代码示例来源：origin: 0opslab/opslabJutil

/**
 * 将字符串以追加的方式写入到文件中
 */
public final static boolean writeAppend(File file, String str) {
  try (
      RandomAccessFile randomFile = new RandomAccessFile(file, "rw")
  ) {
    long fileLength = randomFile.length();
    randomFile.seek(fileLength);
    randomFile.writeBytes(str);
    return true;
  } catch (IOException e) {
    e.printStackTrace();
  }
  return false;
}

代码示例来源：origin: 0opslab/opslabJutil

/**
 * 在文件末尾追加一行
 *
 * @param file 需要处理的函数
 * @param str  添加的子字符串
 * @return 是否成功
 */
public final static boolean appendLine(File file, String str) {
  try (
      RandomAccessFile randomFile = new RandomAccessFile(file, "rw")
  ) {
    long fileLength = randomFile.length();
    randomFile.seek(fileLength);
    randomFile.writeBytes(SysUtil.FILE_SEPARATOR + str);
    return true;
  } catch (IOException e) {
    e.printStackTrace();
  }
  return false;
}

代码示例来源：origin: 0opslab/opslabJutil

/**
 * 写文件
 *
 * @param file 需要处理的函数
 * @param str  添加的子字符串
 * @return 是否成功
 */
public static boolean addWrite(File file, String str) {
  try (
      RandomAccessFile randomFile = new RandomAccessFile(file, "rw")
  ) {
    long fileLength = randomFile.length();
    randomFile.seek(fileLength);
    randomFile.writeBytes(str);
    return true;
  } catch (IOException e) {
    e.printStackTrace();
  }
  return false;
}

代码示例来源：origin: apache/jackrabbit-oak

@Override
public void writeLine(String line) throws IOException {
  journalFile.writeBytes(line + "\n");
  journalFile.getChannel().force(false);
}

代码示例来源：origin: de.dfki.mary/marytts-builder

private void setWikipediaFileDone(String fileName, String fileDone) {
  RandomAccessFile out = null;
  try {
    out = new RandomAccessFile(fileName, "rw");
    out.seek(out.length());
    out.writeBytes(fileDone + "\n");
    out.close();
  } catch (Exception e) {
    e.printStackTrace();
  }
}

代码示例来源：origin: stackoverflow.com

public static void main(String[] args) throws Exception {
  RandomAccessFile file = new RandomAccessFile("test.txt", "rws");
  byte[] text = new byte[(int) file.length()];
  file.readFully(text);
  file.seek(0);
  file.writeBytes("Prepend 8");
  file.write(text);
  file.close();
  System.out.println("Done");
}

代码示例来源：origin: org.jvnet.hudson.hadoop/hadoop-core

protected void writeCorruptedData(RandomAccessFile file) throws IOException {
  final String messageForPreUpgradeVersion =
   "\nThis file is INTENTIONALLY CORRUPTED so that versions\n"
   + "of Hadoop prior to 0.13 (which are incompatible\n"
   + "with this directory layout) will fail to start.\n";
 
  file.seek(0);
  file.writeInt(FSConstants.LAYOUT_VERSION);
  org.apache.hadoop.io.UTF8.writeString(file, "");
  file.writeBytes(messageForPreUpgradeVersion);
  file.getFD().sync();
 }
}

代码示例来源：origin: org.apache.activemq/activemq-kahadb-store

@Override
public void writeBytes(String s) throws IOException {
  try {
    getRaf().writeBytes(s);
  } catch (IOException ioe) {
    handleException();
    throw ioe;
  }
}

代码示例来源：origin: org.apache.activemq/activemq-all

@Override
public void writeBytes(String s) throws IOException {
  try {
    getRaf().writeBytes(s);
  } catch (IOException ioe) {
    handleException();
    throw ioe;
  }
}

代码示例来源：origin: octo-online/reactive-audit

@Test(expected = FileReactiveAuditException.class)
public void writeBytes()
    throws IOException
{
  ReactiveAudit.off.commit();
  try (RandomAccessFile rw = newRandomAccessFile())
  {
    TestTools.strict.commit();
    rw.writeBytes("");
  }
}

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