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ratna rathor
Various methods of httpservletresponse interface
1 Answer(s)      2 years and 2 months ago
Posted in : JSP-Servlet


What are the various methods of httpservletresponse interface?


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May 23, 2012 at 3:57 PM


HttpServletResponse interface extends ServletResponse interface.
     HttpServletResponse methods?
1.addCookie: - This method is used for adding 
                 specified cookie to the response.

public void addCookie(javax.servlet.http.Cookie cookie)

2.addDateHeader: -  This method is used for adding a 
   response header with specified  name and date value.

public void addDateHeader(java.lang.String name,long date)

3.addHeader: - This method is used for adding a 
  response header with specified name and value.

 public void addHeader(java.lang.String name,
                      java.lang.String value)

4.containsHeader: - Its return type is Boolean.
  Returns true if named response is already set
  else return false.

public boolean containsHeader(java.lang.String name)

5.encodeRedirectUrl: - This method is deprecated.

  public java.lang.String encodeRedirectUrl(java.lang.String url)

6.encodeRedirectURL:- It encodes the specified URL,
   which is used by sendRedirect() method.
   If encoding is not required, returns URL as it is.

 public java.lang.String encodeRedirectURL(java.lang.String url)


7.encodeUrl: - It is deprecated.After version 2.1
  use  encodeURL in place of encodeUrl.

 public java.lang.String 
                 encodeUrl(java.lang.String url)

8. encodeURL :- If encoding is needed ,it encodes the 
 given URL by including the session ID in it 
 otherwise returns the URL unchanged.

public java.lang.String encodeURL(java.lang.String url)

9. sendError :- It is used to send an error response
    to the client. It uses specified status code and
    clear the buffer.
public void sendError(int se)

10.sendError : -It is used to send an error response
         to the client using the giver status.

public void sendError(int sc,
                      java.lang.String msg)

11.sendRedirect: - This method is used for sending                        
    redirect response to the client.It redirect to 
    the given location URL.

public void sendRedirect(java.lang.String location)

12.setDateHeader: - This method is used for setting
       a response header with specified name and date 
       value.  

 public void setDateHeader(java.lang.String name,
                          long date)

13.setHeader:-It sets a response header with the 
    given name and value.
public void setHeader(java.lang.String name,
                      java.lang.String value)

14.setIntHeader:- It sets a response header with 
    the given name and integer value.

public void setIntHeader(java.lang.String name,
                         int value)

15.setStatus: - This method is used for setting                     
              status code for response.

public void setStatus(int sc)

16.setStatus: -This method is deprecated.

public void setStatus(int sc,
                      java.lang.String sm)


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