Java Servlet Programming

Name

ServletRequest

Synopsis

Interface Name: javax.servlet.ServletRequest

Superinterface: None

Immediate Subinterfaces: javax.servlet.http.HttpServletRequest

Implemented By: None

Availability: Servlet API 1.0 and later

Description

A ServletRequest object encapsulates information about a single client request, including request parameters, implementation-specific attributes, and an input stream for reading binary data from the request body. ServletRequest can be subclassed to provide additional protocol-specific information. HttpServletRequest, for instance, includes methods to manipulate HTTP headers.

Interface Declaration

public interface ServletRequest {
  // Methods
  public abstract Object getAttribute(String name);
  public abstract String getCharacterEncoding();                // New in 2.0
  public abstract int getContentLength();
  public abstract String getContentType();
  public abstract ServletInputStream getInputStream() throws IOException;
  public abstract String getParameter(String name);
  public abstract Enumeration getParameterNames();
  public abstract String[] getParameterValues(String name);
  public abstract String getProtocol();
  public abstract BufferedReader getReader() throws IOException;// New in 2.0
  public abstract String getRealPath(String path);
  public abstract String getRemoteAddr();
  public abstract String getRemoteHost();
  public abstract String getScheme();
  public abstract String getServerName();
  public abstract int getServerPort();
}

Methods

getAttribute()

public abstract Object getAttribute(String ...