public static void write(HttpServletResponse response, File file) throws IOException { if (response instanceof ByteBufferServletResponse) { ByteBufferServletResponse byteBufferResponse = (ByteBufferServletResponse) response; ByteBuffer byteBuffer = ByteBuffer.wrap(FileUtil.getBytes(file)); byteBufferResponse.setByteBuffer(byteBuffer); } else if (response instanceof StringServletResponse) { StringServletResponse stringResponse = (StringServletResponse) response; String s = FileUtil.read(file); stringResponse.setString(s); } else { FileInputStream fileInputStream = new FileInputStream(file); FileChannel fileChannel = fileInputStream.getChannel(); try { int contentLength = (int) fileChannel.size(); response.setContentLength(contentLength); response.flushBuffer(); fileChannel.transferTo(0, contentLength, Channels.newChannel(response.getOutputStream())); } finally { fileChannel.close(); } } }
public static void write(HttpServletResponse response, ByteBuffer byteBuffer) throws IOException { if (response instanceof ByteBufferServletResponse) { ByteBufferServletResponse byteBufferResponse = (ByteBufferServletResponse) response; byteBufferResponse.setByteBuffer(byteBuffer); } else { write(response, byteBuffer.array(), byteBuffer.position(), byteBuffer.limit()); } }
public static void write( HttpServletResponse response, byte[] bytes, int offset, int contentLength) throws IOException { try { // LEP-3122 if (!response.isCommitted()) { // LEP-536 if (contentLength == 0) { contentLength = bytes.length; } response.setContentLength(contentLength); response.flushBuffer(); if (response instanceof ByteBufferServletResponse) { ByteBufferServletResponse byteBufferResponse = (ByteBufferServletResponse) response; byteBufferResponse.setByteBuffer(ByteBuffer.wrap(bytes, offset, contentLength)); } else { ServletOutputStream servletOutputStream = response.getOutputStream(); servletOutputStream.write(bytes, offset, contentLength); } } } catch (IOException ioe) { if (ioe instanceof SocketException || ioe.getClass().getName().equals(_CLIENT_ABORT_EXCEPTION)) { if (_log.isWarnEnabled()) { _log.warn(ioe); } } else { throw ioe; } } }