com.wewebu.ow.server.servlets

Class OwRenditionServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

com.wewebu.ow.server.servlets.OwRenditionServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class OwRenditionServlet
extends javax.servlet.http.HttpServlet

OwRenditionServlet for retrieval of renditions from objects.

Alfresco Workdesk
Copyright (c) Alfresco Software, Inc.
All rights reserved.

For licensing information read the license.txt file or
go to: http://wiki.alfresco.com

Since:

4.2.0.0

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_PARAM_FALLBACK
static String	DEFAULT_PARAM_RENDITION

Constructor Summary

Constructors

Constructor and Description
OwRenditionServlet()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	doGet(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)
protected void	doPost(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)
protected String	getConfiguredImage(javax.servlet.ServletConfig config, String initParam) Helper to get configured path to images.
protected OwObject	getRequestedObject(javax.servlet.http.HttpServletRequest req, OwAppContext context) Retrieve the object from request.
protected void	handleNoRendition(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp, OwObject obj, OwRenditionServiceProvider prov, String type) (overridable) Called in case no Rendition service could be found.
void	init(javax.servlet.ServletConfig config)
protected void	process(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)
protected boolean	sendRendition(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp, OwRenditionServiceProvider prov, OwRenditionService service, OwObject obj, String renditionType)
protected void	showStaticImage(javax.servlet.http.HttpServletResponse resp, String path) Show a static image from provided path.

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, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_PARAM_RENDITION

public static final String DEFAULT_PARAM_RENDITION

See Also:

Constant Field Values

DEFAULT_PARAM_FALLBACK

public static final String DEFAULT_PARAM_FALLBACK

See Also:

Constant Field Values

Constructor Detail

OwRenditionServlet

public OwRenditionServlet()

Method Detail

init

public void init(javax.servlet.ServletConfig config)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Servlet

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

getConfiguredImage

protected String getConfiguredImage(javax.servlet.ServletConfig config,
                        String initParam)

Helper to get configured path to images.

Parameters:

config - ServletConfig

initParam - String

Returns:

String or null if no configuration found.

doGet

protected void doGet(javax.servlet.http.HttpServletRequest req,
         javax.servlet.http.HttpServletResponse resp)
              throws javax.servlet.ServletException,
                     IOException

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

IOException

doPost

protected void doPost(javax.servlet.http.HttpServletRequest req,
          javax.servlet.http.HttpServletResponse resp)
               throws javax.servlet.ServletException,
                      IOException

Overrides:

doPost in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

IOException

process

protected void process(javax.servlet.http.HttpServletRequest req,
           javax.servlet.http.HttpServletResponse resp)
                throws javax.servlet.ServletException,
                       IOException

Throws:

javax.servlet.ServletException

IOException

handleNoRendition

protected void handleNoRendition(javax.servlet.http.HttpServletRequest req,
                     javax.servlet.http.HttpServletResponse resp,
                     OwObject obj,
                     OwRenditionServiceProvider prov,
                     String type)
                          throws OwException,
                                 IOException

(overridable) Called in case no Rendition service could be found.

Parameters:

req - HttpServletRequest

resp - HttpServletResponse

obj -

prov -

Throws:

IOException

OwException

showStaticImage

protected void showStaticImage(javax.servlet.http.HttpServletResponse resp,
                   String path)
                        throws IOException

Show a static image from provided path.

Parameters:

resp - HttpServletResponse

path - String path to image

Throws:

IOException

getRequestedObject

protected OwObject getRequestedObject(javax.servlet.http.HttpServletRequest req,
                          OwAppContext context)
                               throws OwException

Retrieve the object from request.

Parameters:

req - HttpServletRequest

context - OwAppContext

Returns:

OwObject

Throws:

OwException - if object cannot be retrieved from provided request

sendRendition

protected boolean sendRendition(javax.servlet.http.HttpServletRequest req,
                    javax.servlet.http.HttpServletResponse resp,
                    OwRenditionServiceProvider prov,
                    OwRenditionService service,
                    OwObject obj,
                    String renditionType)
                         throws IOException,
                                OwException

Throws:

IOException

OwException