Package org.zkoss.web.servlet.http

Class HttpBufferedResponse

  • All Implemented Interfaces:
    javax.servlet.http.HttpServletResponse, javax.servlet.ServletResponse
    public class HttpBufferedResponse
extends javax.servlet.http.HttpServletResponseWrapper
    A servlet response that uses another writer or stream as the output.
    Author:
    tomyeh

    • Field Summary

      • Fields inherited from interface javax.servlet.http.HttpServletResponse

        SC_ACCEPTED, SC_BAD_GATEWAY, SC_BAD_REQUEST, SC_CONFLICT, SC_CONTINUE, SC_CREATED, SC_EXPECTATION_FAILED, SC_FORBIDDEN, SC_FOUND, SC_GATEWAY_TIMEOUT, SC_GONE, SC_HTTP_VERSION_NOT_SUPPORTED, SC_INTERNAL_SERVER_ERROR, SC_LENGTH_REQUIRED, SC_METHOD_NOT_ALLOWED, SC_MOVED_PERMANENTLY, SC_MOVED_TEMPORARILY, SC_MULTIPLE_CHOICES, SC_NO_CONTENT, SC_NON_AUTHORITATIVE_INFORMATION, SC_NOT_ACCEPTABLE, SC_NOT_FOUND, SC_NOT_IMPLEMENTED, SC_NOT_MODIFIED, SC_OK, SC_PARTIAL_CONTENT, SC_PAYMENT_REQUIRED, SC_PRECONDITION_FAILED, SC_PROXY_AUTHENTICATION_REQUIRED, SC_REQUEST_ENTITY_TOO_LARGE, SC_REQUEST_TIMEOUT, SC_REQUEST_URI_TOO_LONG, SC_REQUESTED_RANGE_NOT_SATISFIABLE, SC_RESET_CONTENT, SC_SEE_OTHER, SC_SERVICE_UNAVAILABLE, SC_SWITCHING_PROTOCOLS, SC_TEMPORARY_REDIRECT, SC_UNAUTHORIZED, SC_UNSUPPORTED_MEDIA_TYPE, SC_USE_PROXY

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void flushBuffer()  
      static javax.servlet.http.HttpServletResponse getInstance​(javax.servlet.http.HttpServletResponse response, java.io.OutputStream stream)
      Returns a buffered response with a output stream, if stream is not null; or the original response if stream is null.
      static javax.servlet.http.HttpServletResponse getInstance​(javax.servlet.http.HttpServletResponse response, java.io.Writer writer)
      Returns a buffered response with a writer, if writer is not null; or the original response if writer is null.
      javax.servlet.ServletOutputStream getOutputStream()  
      java.io.PrintWriter getWriter()  
      boolean isSendRedirect()
      Returns whether sendRedirect(java.lang.String) was called.
      void resetBuffer()
      Useful only if StringWriter or ByteArrayOutputStream is used to construct this object.
      void sendRedirect​(java.lang.String location)  

      • Methods inherited from class javax.servlet.http.HttpServletResponseWrapper

        addCookie, addDateHeader, addHeader, addIntHeader, containsHeader, encodeRedirectUrl, encodeRedirectURL, encodeUrl, encodeURL, getHeader, getHeaderNames, getHeaders, getStatus, sendError, sendError, setDateHeader, setHeader, setIntHeader, setStatus, setStatus

      • Methods inherited from class javax.servlet.ServletResponseWrapper

        getBufferSize, getCharacterEncoding, getContentType, getLocale, getResponse, isCommitted, isWrapperFor, isWrapperFor, reset, setBufferSize, setCharacterEncoding, setContentLength, setContentLengthLong, setContentType, setLocale, setResponse

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

      • Methods inherited from interface javax.servlet.ServletResponse

        getBufferSize, getCharacterEncoding, getContentType, getLocale, isCommitted, reset, setBufferSize, setCharacterEncoding, setContentLength, setContentLengthLong, setContentType, setLocale

    • Method Detail

      • getInstance

        public static final javax.servlet.http.HttpServletResponse getInstance​(javax.servlet.http.HttpServletResponse response,
                                                                       java.io.Writer writer)
        Returns a buffered response with a writer, if writer is not null; or the original response if writer is null. It is smart enough not to wrap the same writer twice.

      • getInstance

        public static final javax.servlet.http.HttpServletResponse getInstance​(javax.servlet.http.HttpServletResponse response,
                                                                       java.io.OutputStream stream)
        Returns a buffered response with a output stream, if stream is not null; or the original response if stream is null. It is smart enough not to wrap the same stream twice.

      • getWriter

        public java.io.PrintWriter getWriter()
                              throws java.io.IOException
        Specified by:
        getWriter in interface javax.servlet.ServletResponse
        Overrides:
        getWriter in class javax.servlet.ServletResponseWrapper
        Throws:
        java.io.IOException

      • getOutputStream

        public javax.servlet.ServletOutputStream getOutputStream()
                                                  throws java.io.IOException
        Specified by:
        getOutputStream in interface javax.servlet.ServletResponse
        Overrides:
        getOutputStream in class javax.servlet.ServletResponseWrapper
        Throws:
        java.io.IOException

      • flushBuffer

        public void flushBuffer()
                 throws java.io.IOException
        Specified by:
        flushBuffer in interface javax.servlet.ServletResponse
        Overrides:
        flushBuffer in class javax.servlet.ServletResponseWrapper
        Throws:
        java.io.IOException

      • resetBuffer

        public void resetBuffer()
        Useful only if StringWriter or ByteArrayOutputStream is used to construct this object.
        Specified by:
        resetBuffer in interface javax.servlet.ServletResponse
        Overrides:
        resetBuffer in class javax.servlet.ServletResponseWrapper

      • sendRedirect

        public void sendRedirect​(java.lang.String location)
                  throws java.io.IOException
        Specified by:
        sendRedirect in interface javax.servlet.http.HttpServletResponse
        Overrides:
        sendRedirect in class javax.servlet.http.HttpServletResponseWrapper
        Throws:
        java.io.IOException