com.knowgate.http

Class HttpBLOBServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

com.knowgate.http.HttpBLOBServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class HttpBLOBServlet
extends javax.servlet.http.HttpServlet

Send LONGVARBINARY database field to HttpServletResponse OutputStream

Version:

5.0

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
HttpBLOBServlet()

Method Summary

Methods

Modifier and Type	Method and Description
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Send LONGVARBINARY database field to HttpServletResponse OutputStream
void	init() Initialize Servlet Parameters Take Database Driver, Conenction URL and User from /WEB-INF/web.xml.

Methods inherited from class javax.servlet.http.HttpServlet

service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Constructor Detail

HttpBLOBServlet

public HttpBLOBServlet()

Method Detail

init

public void init()
          throws javax.servlet.ServletException

Initialize Servlet Parameters

Take Database Driver, Conenction URL and User from /WEB-INF/web.xml.
If any parameter is not found then look it up at hipergate.cnf Properties file using Environment singleton.

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

javax.servlet.UnavailableException - If jdbcDriverClassName parameter is not found and driver property at hipergate.cnf is not found or if jdbcURL parameter is not found and dburl property at hipergate.cnf is not found.

See Also:

Environment

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
         javax.servlet.http.HttpServletResponse response)
           throws java.io.IOException,
                  java.io.FileNotFoundException,
                  javax.servlet.ServletException

Send LONGVARBINARY database field to HttpServletResponse OutputStream

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

nm_table - Name of table holding longvarbinary field.

response -

Throws:

java.io.IOException

java.io.FileNotFoundException

javax.servlet.ServletException