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PublisherServer
Class PublisherServlet  

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          PublisherServer.PublisherServlet

All Implemented Interfaces:

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

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public class PublisherServlet

extends javax.servlet.http.HttpServlet

Client application for publishing.

Copyright (c) 2000-2001

Version 1.0.2:

• Use of a serialized file to maintain target PageBox URLs. For each target PageBox are maintained a ArrayList of installed archives with the timestamp of they current version.
• Subscribe support - aka the ability to add a new PageBox to the list.
• management of published archives and subscribed PageBoxes.

Version 1.0.3:

• listSubscribers
• publisher parameter at deploy
• dummy subscriber to allow unsubscribe all PageBoxes without losing archive references

Version 1.0.4:

• listSubscribers with only valid subscribers

IMPORTANT NOTE:
It must be mapped on publish in web.xml.

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; version 2
 of the License.
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 

Version:

1, 0, 4

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Nested Class Summary
(package private)  class	PublisherServlet.Log           Class responsible to log messages.
(package private)  class	PublisherServlet.PageBoxEntry
(package private)  class	PublisherServlet.PageBoxURLHandler
(package private)  class	PublisherServlet.Scanner           Implements a scanner thread to synchronize publications

 

Field Summary
(package private) static java.lang.String	dummy
(package private)  java.lang.String	encodedThisUrl           Version 1.0.3.
(package private) static boolean	initialized           true: initialized.
(package private) static PublisherServlet.Log	log           Log object used to print and maintain log entries.
(package private) static int	maxlength           Maximum size of archives.
(package private) static PublisherServlet.PageBoxURLHandler	pbuh
(package private) static java.lang.String	repository           Location where archives are stored.
(package private) static java.lang.String	repositoryURL           URL where to retrieve archives.
(package private) static int	SCANPERIOD           Scanner wake-up

 

Fields inherited from class javax.servlet.http.HttpServlet

 

Fields inherited from class javax.servlet.GenericServlet

 

Constructor Summary

PublisherServlet()

 

Method Summary
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)           GET request handling.
void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)           POST request handling.
java.lang.String	getServletInfo()           Returns information about the servlet, such as author, version, and copyright.
void	handleDelete(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String archive)           Delete handling.
private  void	initialize()           Creates log and read web.xml parameters.
private  void	listSubscribers(java.io.PrintWriter out)           Designed to be used by Mapper.
private  void	report(java.io.PrintWriter out, javax.servlet.http.HttpServletRequest request)           Designed to be used by browsers.

 

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

 

Field Detail

log

static PublisherServlet.Log log

Log object used to print and maintain log entries.

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repository

static java.lang.String repository

Location where archives are stored.

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repositoryURL

static java.lang.String repositoryURL

URL where to retrieve archives.

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maxlength

static int maxlength

Maximum size of archives.

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initialized

static boolean initialized

true: initialized.

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dummy

static final java.lang.String dummy

See Also:

Constant Field Values

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pbuh

static PublisherServlet.PageBoxURLHandler pbuh

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SCANPERIOD

static final int SCANPERIOD

Scanner wake-up

See Also:

Constant Field Values

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encodedThisUrl

java.lang.String encodedThisUrl

Version 1.0.3. encoded url of this publisher.

Constructor Detail

PublisherServlet

public PublisherServlet()

Method Detail

initialize

private final void initialize()

Creates log and read web.xml parameters.

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doGet

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

GET request handling. To invoke with publish?arch=...&lm=...&todo=delete|publish|subscribers|init.

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doPost

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

POST request handling.

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getServletInfo

public java.lang.String getServletInfo()

Description copied from class: javax.servlet.GenericServlet

Returns information about the servlet, such as author, version, and copyright. By default, this method returns an empty string. Override this method to have it return a meaningful value. See Servlet.getServletInfo()>Servlet.getServletInfo() 55 .

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handleDelete

public void handleDelete(javax.servlet.http.HttpServletRequest request,
                         javax.servlet.http.HttpServletResponse response,
                         java.lang.String archive)
                  throws javax.servlet.ServletException,
                         java.io.IOException

Delete handling.

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listSubscribers

private void listSubscribers(java.io.PrintWriter out)

Designed to be used by Mapper. List subscribers - todo=subscribers.

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report

private void report(java.io.PrintWriter out,
                    javax.servlet.http.HttpServletRequest request)

Designed to be used by browsers.

1. reporting about subscriptions and publications - GET without parameter.
2. subscribe and unsubscribe form and handling.

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> [ PublisherServer overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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