How to use

write

method

in

org.nutz.lang.Files

public void truncate(long len) throws SQLException {
  Files.write(file, new Byte[]{});
}

  public Class<?> define(String className, byte[] bytes, ClassLoader loader) {
    try {
      if (debugDir != null)
        Files.write(debugDir + className.replace('.', '/') + ".class", bytes);
      return ReflectTool.defineClass(className, bytes, loader);
    }
    catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
}

public static boolean copyOnWrite(File f, Object obj) {
  File tmp = new File(f.getAbsolutePath() + ".new");
  File tmp2 = new File(f.getAbsolutePath() + ".old");
  tmp2.delete();
  try {
    write(tmp, obj);
    boolean flag = false;
    if (f.exists()) {
      flag = f.renameTo(tmp2);
    }
    if (tmp.renameTo(f)) {
      tmp2.delete();
      return true;
    } else if (flag)
      tmp2.renameTo(f); // 如果这里也失败的话,起码.old还在...
    return false;
  }
  finally {
    tmp.delete();
  }
}

public Object get(ResultSet rs, int columnIndex) throws SQLException {
  Blob blob = rs.getBlob(columnIndex);
  if (blob == null)
    return null;
  File f = this.createTempFile();
  Files.write(f, blob.getBinaryStream());
  return new SimpleBlob(f);
}

public Object get(ResultSet rs, String colName) throws SQLException {
  Blob blob = rs.getBlob(colName);
  if (blob == null)
    return null;
  File f = this.createTempFile();
  Files.write(f, blob.getBinaryStream());
  return new SimpleBlob(f);
}

public Object get(ResultSet rs, String colName) throws SQLException {
  InputStream in = rs.getBinaryStream(colName);
  if (in == null) {
    return in;
  }
  try {
    File f = File.createTempFile("nutzdao_blob", ".tmp");
    Files.write(f, in);
    in.close();
    return new ReadOnceInputStream(f);
  }
  catch (IOException e) {
    throw Lang.wrapThrow(e);
  }
}

@Override
public Object get(ResultSet rs, String colName) throws SQLException {
  InputStream ins = rs.getBinaryStream(colName);
  if (ins == null)
    return null;
  File f = this.createTempFile();
  Files.write(f, ins);
  return new SimpleBlob(f);
}

  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException{
    file = Jdbcs.getFilePool().createFile(".clob");
    Files.write(file, in);
  }
}

  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException{
    f = Jdbcs.getFilePool().createFile(".dat");
    Files.write(f, in);
  }
}

private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException{
  file = Jdbcs.getFilePool().createFile(".blob");
  Files.write(file, in);
}

/**
 * 将内容写到一个文件内，内容对象可以是：
 * <ul>
 * <li>InputStream - 按二进制方式写入
 * <li>byte[] - 按二进制方式写入
 * <li>Reader - 按 UTF-8 方式写入
 * <li>其他对象被 toString() 后按照 UTF-8 方式写入
 * </ul>
 * 
 * @param path
 *            文件路径，如果不存在，则创建
 * @param obj
 *            内容对象
 */
public static void write(String path, Object obj) {
  if (null == path || null == obj)
    return;
  try {
    write(Files.createFileIfNoExists(path), obj);
  }
  catch (IOException e) {
    throw Lang.wrapThrow(e);
  }
}

Files.write(tmp, img);
try {
  return read(tmp);

  public Class<?> define(String className, byte[] bytes, ClassLoader loader) {
    try {
      if (debugDir != null)
        Files.write(debugDir + className.replace('.', '/') + ".class", bytes);
      return ReflectTool.defineClass(className, bytes, loader);
    }
    catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
}

  public void visit(File file) {
    if (file.isDirectory())
      return;
    System.out.println(file);
    String origin = Files.read(file);
    String output = origin.replaceAll("FZY4JW_0.ttf", "FZY4FZ_0.ttf");
    if (origin.equals(output))
      return;
    Files.write(file, output);
  }
};

public Object get(ResultSet rs, int columnIndex) throws SQLException {
  Blob blob = rs.getBlob(columnIndex);
  if (blob == null)
    return null;
  File f = this.createTempFile();
  Files.write(f, blob.getBinaryStream());
  return new SimpleBlob(f);
}

public Object get(ResultSet rs, String colName) throws SQLException {
  Blob blob = rs.getBlob(colName);
  if (blob == null)
    return null;
  File f = this.createTempFile();
  Files.write(f, blob.getBinaryStream());
  return new SimpleBlob(f);
}

@Override
public Object get(ResultSet rs, String colName) throws SQLException {
  InputStream ins = rs.getBinaryStream(colName);
  if (ins == null)
    return null;
  File f = this.createTempFile();
  Files.write(f, ins);
  return new SimpleBlob(f);
}

  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException{
    f = Jdbcs.getFilePool().createFile(".dat");
    Files.write(f, in);
  }
}

  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException{
    file = Jdbcs.getFilePool().createFile(".clob");
    Files.write(file, in);
  }
}

public void reset() {
  try {
    File f = Files.createFileIfNoExists(god_key_file_my);
    key = R.UU64();
    Files.write(f, key + "\r\n");
  }
  catch (IOException e) {
    throw Lang.wrapThrow(e);
  }
}