How to use

gotBuf

method

in

org.postgresql.copy.PGCopyInputStream

public int read(byte[] buf, int off, int siz) throws IOException {
  checkClosed();
  int got = 0;
  while( got < siz && gotBuf() ) {
    buf[off+got++] = this.buf[at++];
  }
  return got;
}

public int read(byte[] buf, int off, int siz) throws IOException {
 checkClosed();
 int got = 0;
 boolean didReadSomething = false;
 while (got < siz && (didReadSomething = gotBuf())) {
  buf[off + got++] = this.buf[at++];
 }
 return got == 0 && !didReadSomething ? -1 : got;
}

public int read() throws IOException {
 checkClosed();
 return gotBuf() ? buf[at++] : -1;
}

public int read() throws IOException {
  checkClosed();
  return gotBuf() ? buf[at++] : -1;
}

public byte[] readFromCopy() throws SQLException {
 byte[] result = buf;
 try {
  if (gotBuf()) {
   if (at > 0 || len < buf.length) {
    byte[] ba = new byte[len - at];
    for (int i = at; i < len; i++) {
     ba[i - at] = buf[i];
    }
    result = ba;
   }
   at = len; // either partly or fully returned, buffer is exhausted
  }
 } catch (IOException ioe) {
  throw new PSQLException(GT.tr("Read from copy failed."), PSQLState.CONNECTION_FAILURE);
 }
 return result;
}

public byte[] readFromCopy() throws SQLException {
  byte[] result = buf;
  try {
    if(gotBuf()) {
      if(at>0 || len < buf.length) {
        byte[] ba = new byte[len-at];
        for(int i=at; i<len; i++)
          ba[i-at] = buf[i];
        result = ba;
      }
      at = len; // either partly or fully returned, buffer is exhausted
    }
  } catch(IOException ioe) {
    throw new PSQLException(GT.tr("Read from copy failed."), PSQLState.CONNECTION_FAILURE);
  }
  return result;
}

public int read(byte[] buf, int off, int siz) throws IOException {
  checkClosed();
  int got = 0;
  while( got < siz && gotBuf() ) {
    buf[off+got++] = this.buf[at++];
  }
  return got;
}

public int read(byte[] buf, int off, int siz) throws IOException {
  checkClosed();
  int got = 0;
  while( got < siz && gotBuf() ) {
    buf[off+got++] = this.buf[at++];
  }
  return got;
}

public int read() throws IOException {
  checkClosed();
  return gotBuf() ? buf[at++] : -1;
}

public int read() throws IOException {
  checkClosed();
  return gotBuf() ? buf[at++] : -1;
}

public byte[] readFromCopy() throws SQLException {
  byte[] result = buf;
  try {
    if(gotBuf()) {
      if(at>0 || len < buf.length) {
        byte[] ba = new byte[len-at];
        for(int i=at; i<len; i++)
          ba[i-at] = buf[i];
        result = ba;
      }
      at = len; // either partly or fully returned, buffer is exhausted
    }
  } catch(IOException ioe) {
    throw new PSQLException(GT.tr("Read from copy failed."), PSQLState.CONNECTION_FAILURE);
  }
  return result;
}

public byte[] readFromCopy() throws SQLException {
  byte[] result = buf;
  try {
    if(gotBuf()) {
      if(at>0 || len < buf.length) {
        byte[] ba = new byte[len-at];
        for(int i=at; i<len; i++)
          ba[i-at] = buf[i];
        result = ba;
      }
      at = len; // either partly or fully returned, buffer is exhausted
    }
  } catch(IOException ioe) {
    throw new PSQLException(GT.tr("Read from copy failed."), PSQLState.CONNECTION_FAILURE);
  }
  return result;
}