org.mycore.frontend.iview
Class MCRIViewServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.mycore.frontend.servlets.MCRServlet
              org.mycore.frontend.iview.MCRIViewServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig

public class MCRIViewServlet
extends MCRServlet

Author:

Andreas Trappe, Chi Vu Huu

See Also:

Serialized Form

Field Summary

Fields inherited from class org.mycore.frontend.servlets.MCRServlet

BASE_URL_ATTRIBUTE, trustedProxies

Constructor Summary

MCRIViewServlet()

Method Summary

void	doGetPost(MCRServletJob job) This method should be overwritten by other servlets.
void	forwardJDOM(HttpServletRequest request, HttpServletResponse response, Element elem)
void	generateLayout(HttpServletRequest request, HttpServletResponse response)
boolean	getFileSupport(MCRFile file)
void	getFirstSupportedFile(List<MCRFile> list, String contentType, MCRDirectory rootNode)
void	getImage(HttpServletRequest request, HttpServletResponse response)
Properties	getIViewConfig(HttpServletRequest request)
MCRFilesystemNode	getMCRNodeByRequest(HttpServletRequest request, HttpServletResponse response)
void	getMetadata(HttpServletRequest request, HttpServletResponse response, StringTokenizer st)
boolean	getSupport(MCRFilesystemNode node)
void	init()
void	movePOI(HttpServletRequest request, Properties iViewConfig, MCRFilesystemNode fsn)
void	prepareErrorPage(HttpServletRequest request, HttpServletResponse response, String errorMessage)
void	printIViewConfig(Properties iViewConfig)
void	printRequest(HttpServletRequest request)
Properties	setIViewConfig(HttpServletRequest request)
void	setMetadata(HttpServletRequest request, HttpServletResponse response)
boolean	stringNotEmpty(String string)
void	updateIViewConfig(Properties iViewConfig, HttpServletRequest request, Properties dateUp, String logMessage)
Point	validatePOI(Point point, Properties iViewConfig, MCRFilesystemNode fsn, boolean log) Verify if ROI is right and/or below out of image

Methods inherited from class org.mycore.frontend.servlets.MCRServlet

buildRedirectURL, doGet, doGet, doPost, doPost, generateActiveLinkErrorpage, generateErrorPage, getBaseURL, getLastModified, getLayoutService, getProperty, getRemoteAddr, getServletBaseURL, getSession, handleException, initTrustedProxies, render, reportException, think

Methods inherited from class javax.servlet.http.HttpServlet

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

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

Constructor Detail

MCRIViewServlet

public MCRIViewServlet()

Method Detail

init

public void init()
          throws MCRConfigurationException,
                 ServletException

Overrides:

init in class MCRServlet

Throws:

MCRConfigurationException

ServletException

doGetPost

public void doGetPost(MCRServletJob job)
               throws IOException,
                      ServletException,
                      JDOMException

Description copied from class: MCRServlet

This method should be overwritten by other servlets. As a default response we indicate the HTTP 1.1 status code 501 (Not Implemented).

Overrides:

doGetPost in class MCRServlet

Throws:

IOException

ServletException

JDOMException

setMetadata

public void setMetadata(HttpServletRequest request,
                        HttpServletResponse response)
                 throws ServletException,
                        IOException

Throws:

ServletException

IOException

generateLayout

public void generateLayout(HttpServletRequest request,
                           HttpServletResponse response)
                    throws ServletException,
                           IOException,
                           JDOMException

Throws:

ServletException

IOException

JDOMException

getImage

public void getImage(HttpServletRequest request,
                     HttpServletResponse response)
              throws ServletException,
                     FileNotFoundException,
                     IOException

Throws:

ServletException

FileNotFoundException

IOException

stringNotEmpty

public boolean stringNotEmpty(String string)

prepareErrorPage

public void prepareErrorPage(HttpServletRequest request,
                             HttpServletResponse response,
                             String errorMessage)
                      throws IOException,
                             ServletException

Throws:

IOException

ServletException

movePOI

public void movePOI(HttpServletRequest request,
                    Properties iViewConfig,
                    MCRFilesystemNode fsn)

validatePOI

public Point validatePOI(Point point,
                         Properties iViewConfig,
                         MCRFilesystemNode fsn,
                         boolean log)

Verify if ROI is right and/or below out of image

Parameters:

point -

forwardJDOM

public void forwardJDOM(HttpServletRequest request,
                        HttpServletResponse response,
                        Element elem)
                 throws IOException

Throws:

IOException

getSupport

public boolean getSupport(MCRFilesystemNode node)

Parameters:

node - - The MCRFilesystemNode to be verified

Returns:

true if module imaging supports this MCRFile or at least one MCRFile within MCRDirectory, false if no support

getFileSupport

public boolean getFileSupport(MCRFile file)

getFirstSupportedFile

public void getFirstSupportedFile(List<MCRFile> list,
                                  String contentType,
                                  MCRDirectory rootNode)

getMCRNodeByRequest

public MCRFilesystemNode getMCRNodeByRequest(HttpServletRequest request,
                                             HttpServletResponse response)
                                      throws ServletException,
                                             IOException

Throws:

ServletException

IOException

getMetadata

public void getMetadata(HttpServletRequest request,
                        HttpServletResponse response,
                        StringTokenizer st)
                 throws ServletException,
                        IOException

Throws:

ServletException

IOException

getIViewConfig

public Properties getIViewConfig(HttpServletRequest request)

updateIViewConfig

public void updateIViewConfig(Properties iViewConfig,
                              HttpServletRequest request,
                              Properties dateUp,
                              String logMessage)

setIViewConfig

public Properties setIViewConfig(HttpServletRequest request)
                          throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

printRequest

public void printRequest(HttpServletRequest request)

printIViewConfig

public void printIViewConfig(Properties iViewConfig)