com.knowgate.http

Class HttpBinaryServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

com.knowgate.http.HttpBinaryServlet

All Implemented Interfaces:

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

public class HttpBinaryServlet
extends javax.servlet.http.HttpServlet

Send Disk Binary File To HttpServletResponse OutputStream

Version:

2.1

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
HttpBinaryServlet()

Method Summary

Methods

Modifier and Type	Method and Description
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Send disk binary file held in a Product to HttpServletResponse OutputStream
void	init() Initialize Servlet Parameters Take Database Driver, Conenction URL and User from /WEB-INF/web.xml.
static long	pipe(java.io.InputStream in, java.io.OutputStream out, int chunkSize)

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

HttpBinaryServlet

public HttpBinaryServlet()

Method Detail

pipe

public static long pipe(java.io.InputStream in,
        java.io.OutputStream out,
        int chunkSize)
                 throws java.io.IOException

Throws:

java.io.IOException

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 disk binary file held in a Product to HttpServletResponse OutputStream

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

id_user - Requester User GUID.

id_product - GUID of Requested Product.

id_location - GUID of Requested ProductLocation.

id_category - (Optional) GUID from Category that contains the Product to serve. If a Category is provided then the User permissions over that Category are checked before serving the file.

Throws:

java.io.IOException

java.io.FileNotFoundException

javax.servlet.ServletException

See Also:

ACLUser, Product, Category