com.logicaldoc.web

Class DocumentPreview

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

com.logicaldoc.web.DocumentPreview

All Implemented Interfaces:

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

public class DocumentPreview
extends javax.servlet.http.HttpServlet

This servlet is responsible for document preview. It searches for the attribute docId in any scope and extracts the proper document's content. You may specify the suffix to download the thumbnail or the flash.

Since:

4.5

Author:

Alessandro Gasparini - Logical Objects

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	DOC_ID
protected static org.slf4j.Logger	log
protected static String	SUFFIX Format can be thumb.jpg or preview.swf

Constructor Summary

Constructors

Constructor and Description
DocumentPreview() Constructor of the object.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	createPreviewResource(Document doc, String fileVersion, String resource) Creates the preview resource according to the specified format storing it in the repository for future access.
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) The doGet method of the servlet.
protected void	forwardEmptyPage(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, String suffix)
protected void	forwardPreviewNotAvailable(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, String suffix)

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Field Detail

SUFFIX

protected static final String SUFFIX

Format can be thumb.jpg or preview.swf

See Also:

Constant Field Values

DOC_ID

public static final String DOC_ID

See Also:

Constant Field Values

log

protected static org.slf4j.Logger log

Constructor Detail

DocumentPreview

public DocumentPreview()

Constructor of the object.

Method Detail

doGet

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

The doGet method of the servlet.
This method is called when a form has its tag value method equals to get.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - the request send by the client to the server

response - the response send by the server to the client

Throws:

javax.servlet.ServletException - if an error occurred

IOException - if an error occurred

createPreviewResource

protected void createPreviewResource(Document doc,
                         String fileVersion,
                         String resource)

Creates the preview resource according to the specified format storing it in the repository for future access.

forwardPreviewNotAvailable

protected void forwardPreviewNotAvailable(javax.servlet.http.HttpServletRequest request,
                              javax.servlet.http.HttpServletResponse response,
                              String suffix)

forwardEmptyPage

protected void forwardEmptyPage(javax.servlet.http.HttpServletRequest request,
                    javax.servlet.http.HttpServletResponse response,
                    String suffix)