gallery.servlets

Class ImageServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

gallery.servlets.ImageServlet

All Implemented Interfaces:

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

@WebServlet(name="ImageServlet",
            urlPatterns="/ImageServlet")
public class ImageServlet
extends javax.servlet.http.HttpServlet

The image servlet, returns images properly scaled and rotated, based on a photograph id provided in the parameters as "id". Accessible at for example /YourPersonalPhotographOrganiser/ImageServlet?id=123.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ImageServlet()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP GET method.
protected void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP POST method.
java.lang.String	getServletInfo() Returns a short description of the servlet.
protected void	processRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Processes requests for both HTTP GET and POST methods.

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageServlet

public ImageServlet()

Method Detail

processRequest

protected void processRequest(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
                       throws javax.servlet.ServletException,
                              java.io.IOException,
                              com.drew.metadata.MetadataException

Processes requests for both HTTP GET and POST methods.

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException - if a servlet-specific error occurs

java.io.IOException - if an I/O error occurs

com.drew.metadata.MetadataException - when not able to retrieve the meta data of a photo.

doGet

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

Handles the HTTP GET method.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException - if a servlet-specific error occurs

java.io.IOException - if an I/O error occurs

doPost

protected void doPost(javax.servlet.http.HttpServletRequest request,
          javax.servlet.http.HttpServletResponse response)
               throws javax.servlet.ServletException,
                      java.io.IOException

Handles the HTTP POST method.

Overrides:

doPost in class javax.servlet.http.HttpServlet

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException - if a servlet-specific error occurs

java.io.IOException - if an I/O error occurs

getServletInfo

public java.lang.String getServletInfo()

Returns a short description of the servlet.

Specified by:

getServletInfo in interface javax.servlet.Servlet

Overrides:

getServletInfo in class javax.servlet.GenericServlet

Returns:

a String containing servlet description