Download - networkbaseDocumentation(6) harendra singh sit -5.doc

8/10/2019 networkbaseDocumentation(6) harendra singh sit -5.doc

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REPORT

The project name is Location based services in Cellular Network. This

project is for accessing the services provided in some Base stations. e have

divided all areas into number of clusters. !nside each cluster there will be lot of

base stations and mobile nodes. "ach base station have lot of services like

hospitals# theater# hotel and train etc.. !f we want to access those services# then

we have to give the user name# password and mobile number for authentication.

$nl% authenticated users can access the services when the% move from onebase station to other stations.

!t is similar like mobile roaming from one place to another place. !f an%

person who have the mobile with him# moves from one base station to other one

he gets the tower of that particular base station. &ince he has mobile with him# he

can easil% identif% the services provided in that base station easil%. 'll the

services providing and authenticating the user are done b% the administrator. (e

has the power to add the clusters# base stations and services to those.

)eople whom are interested to access the services of his destination base

station have to register and view the services.

*odules are+

'dministrator *odule

,ser *odule

&ervices *odule


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1. INTRODUCTION

1.1 OBJECTIVES

!n this fast moving world ever%one is working like a machine. The% are not

interested to remember each and ever place around the world where the% would

like to go. But it is essential to know information about that without spending lot

of time on that. &ince we made surve% on this and found a better choice of using

mobile communication. !n the present world most of the people having the

mobiles in their hands# if we satisf% their need b% using with what the% are havingin their hands means the% will accept. To obtain that features we are developing

this location based cellular network.

This s%stem provides the service to the members those whom were

registered alread% in this particular s%stem. !f an% one newl% wants to register in

this s%stem it provides the registration facilit% also. B% registering here he can

know the services like hospitals# Theater and (otels etc.

The cellular networks are divided into number of clusters- each cluster has

some base stations to transfer signals from one station to another station. "ver%

base station has some mobile nodes to pass services information within the base

stations.

B% selecting the destination base station from Brower screen we can

easil% finds the services provided in that particular base station.

This is the platform that we have chosen to work upon for the following

reasons+

Because of its essential in da%/to/da% life.

&implicit% of its use.

"as% accessibilit%.


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FEASIBILITY STUDY

'n important outcome of the initial investigation of the s%stem is that

the s%stem is found to be feasible. Three ke% considerations are in the

feasibilit% anal%sis vi0. economic# technical and operational.

Economical Feasibili!"

"conomic anal%sis is the most fre1uentl% used for evaluating the

effectiveness of the s%stem. !t is used to determine the benefits and saving

that are e2pected from the s%stem and then compare them with the cost.

O#e$aional %easibili!"

The proposed s%stem is user friendl% and to operate. The s%stem provides

the following advantages+ /

Completel% menu driven.

ith appropriate error message for ever% screen# the user can easil%

operate the s%stem.

The s%stem provides proper validation checks on the fields used in

the s%stem.


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&. PROBLE' DEFINITION AND 'ET(ODOLO)Y

&.1 DEFINITION

The project *Locaion base+ cell,la$ ne-o$/ is used to know the

services provided b% the destination base stations. This project has three

modules. The% are


,ser *odule

&ervices *odule

A+minis$ao$ 'o+,le

This module will describe various functionalities of the 'dministrator. "ach

'dministrator will be given with one user name and password. ith this the'dministrator has to enter into his module. !f a 'dministrator login to his page

then he will be given his home page called the 'dmin page. !n this page the

functionalities and controls of the 'dministrator will be given. These are the

tasks of this 'dministrator module. The% are#

'dd base station

'dd cluster

'dd service details

A++ base saion

This sub/module is used to add the base stations to each cluster. (ere

the details of all the base stations will be given. These details comprise Base

station number# base station name# to which cluster we are adding this base

station.


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A++ cl,se$

This sub/module is used to add the clusters to each 'rea. (ere the details of

the entire cluster will be given. These details comprise the clusters number

and clusters name.

A++ se$0ice +eails

This sub/module is used to add the service details to each service. (ere

the details of all the services will be given. These details comprise like

specific number# specific name# phone number# location etc3 to each

services.

Use$ 'o+,le

This module provides the registration facilit% to the users those who want

to become a member. ,sers those who are alread% a member can onl% access

these services. To become a *ember# he have to give details like username#

password and mobile number for authentication and personal details like first

name# last name# address# phone number and location etc. The registered users

are allowed to access the services onl% after getting e2act user name# password

and mobile number.

Se$0ices 'o+,le

This module is developed to know the information about the services

present in the Base stations and its *obile nodes. e are taking some areas and

dividing them into number of clusters each cluster has some Base station# each

of these base stations have lot of *obile nodes. hen we enter from our base

station to destination Base station# we can get list of services like hospitals#

Theater# (otels etc. are shown to the user. (e can select an% service and get the

knowledge about that service.


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. DEVELOP'ENT PROCESS AND DOCU'ENTATION

.1. RE2UIRE'ENT ANALYSIS AND SPECIFICATIONS

.1.1. (ARD3ARE RE2UIRE'ENTS

)rocessor + )entium !!! 455 *(0

*emor% si0e + 674 *B 8'*

&torage + 75 9B (ard :isk

6.;; *B / lopp% :isk

:ispla% + "9'?@9' Color *onitor

A55 2 455 )i2els 8esolution (igh Color 6A BitDe% Board + 'n% with minimum re1uired ke%s

*ouse + 'n%

.1.& SOFT3ARE RE2UIRE'ENTS

$perating &%stem + indows 7k famil%.

>ront/"nd Tool + (T*L# Eava &cript# E7""

&ervlet# E&)# E:BC and Eava Bean

eb &erver + 'pache Tomcat =.5.

Back/"nd Tool + *s/'ccess


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.1. DATA DICTIONARY

:ata dictionar% is a repositor% that contains all the description of all data

produced b% the software. !t is an organi0ed listing of all data elements that are

pertinent to the s%stem.

'no+e 4'obile no+e5

Desc$i#ion" !t stores the details of the mobile nodes.

Fiel+ Name Fiel+ T!#e Si6e Cons$ains Desc$i#ion

bno Te2t =5 No Base station number mno Te2t =5 No *obile node number

uname Te2t =5 No ,ser name of the user pass Te2t =5 No )assword to the user

cell Te2t =5 No!n which cell he presentsnow.

ltime Te2t =5 No Login time of the user.

8emote Te2t =5 No!t which 8emote networkaddress he is.

Base4Base saion5

Desc$i#ion" !t stores the details of the Base station.


bno Te2t =5 No Base station number.

cno Te2t =5 No*obile nodes present in aparticular Base station

name Te2t =5 No Name of the *obile node.

Cl,se$

Desc$i#ion" !t stores the details of the Cluster.


)lno Te2t =5 No Cluster number.location Te2t =5 No Cluster name.


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'no+ein%o4,se$ able5

Desc$i#ion" !t stores the details of the ,ser.


mno Te2t =5 No *obile node number.fame Te2t =5 No >irst name of the user.lname Te2t =5 No Last name of the user.dod Te2t =5 No :ate of birth of user.se2 Te2t =5 No *ale or female

address Te2t =5 No 'ddress of user.)hone Te2t =5 No )hone number of user.countr% Te2t =5 No !n which Countr% he is in.

&tate Te2t =5 No !n which state he is in.

Se$0iceca

Desc$i#ion" !t stores the details of the &ervices.


&no Te2t =5 No &ervice number.Name Te2t =5 No &ervice name.

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Desc$i#ion" !t stores the details of the Cluster.


&ano Te2t =5 No &aval number.&no Te2t =5 No &ervice number.Bno Te2t =5 No Base station number.

(os#ial

Desc$i#ion" !t stores the details of the service/(ospital.


(osno Te2t =5 No (ospital number.Bno Te2t =5 No Base station number.

hosname Te2t =5 No Name of the hospital.(osloc Te2t =5 No Location of the hospitalhospno Te2t =5 No )hone number of the


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hospital.:name Te2t =5 No :octor Name

&pl Te2t =5 No :octors &peciali0ation.

(oels

Desc$i#ion" !t stores the details of the service/(otel.


(otno Te2t =5 No (otel number.Bno Te2t =5 No Base station number.

(otname Te2t =5 No Name of the hotel.(otloc Te2t =5 No Location of the hotel.Cata Te2t =5 No Categor% of the hotel.)rice Te2t =5 No Level of price high?low

hotpno Te2t =5 No )hone number of the hotel.

T7eae$

Desc$i#ion" !t stores the details of the service/Theater.


Thno Te2t =5 No (ospital number.Bno Te2t =5 No Base station number.

Thname Te2t =5 No Name of the hospital.Thloc Te2t =5 No Location of the hospital.

capacit% Te2t =5 No Capacit% of the theater.

Thpno Te2t =5 No)hone number of thehospital.

T$ain

Desc$i#ion" !t stores the details of the service/Train.


Trno Te2t =5 No Train number.

Bno Te2t =5 No Base station number.&tart Te2t =5 No &tarting place of train.

:estin Te2t =5 No :estination place of train. 'time Te2t =5 No 'rrival time of train.

:time Te2t =5 No :eparture time of train.


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SYSTE' DESI)N

F,n+amenal +esi8n Conce#s

>undamental design concepts are evolved over the past three decades.

'lthough the degree of interest in each concept has varied over the %ears# each

has stood the test of time. "ach provides the software designer with a foundation

from which more sophisticated design methods can be applied. >undamental

design concepts provide the necessar% framework for getting it right.

Abs$acion

'bstraction permits one to concentrate on a problem at some level of

generali0ation without regard to irrelevant low level details# use of abstraction

also permits one to work with concepts and terms that are familiar in the problem

environment without having to transform them to an unfamiliar structure. Two

t%pes of abstraction are there# one is procedural abstraction and data abstraction.

' procedural abstraction is a named se1uence of instructions that has a specific

and limited function. ' data abstraction is a named collection of data that

describes a data object.

'o+,la$i!

*odularit% is the single attribute software that allows a program to be

intellectuall% manageable. &oftware architecture embodies modularit%# that is#

software is divided into named and addressable components# called modules

that are integrated to satisf% problem re1uirements.

So%-a$e A$c7iec,$e&oftware 'rchitecture alludes to the overall structure of the software and

the wa%s in which that structure provides conceptual integrit% for a s%stem.

Control hierarch% also called program structure# represents the organi0ation of

control. The tree structure used to represent the control hierarch%.


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S$,c,$al Pa$iionin8

The program structure should be partitioned both hori0ontall% and

verticall%. (ori0ontal partitioning defines separate branches of the modular

hierarch% for each major program function# @ertical partitioning called factoring#

suggest that control and work should be distributes top/down in the program

architecture. Top level modules should perform control functions and do little

actual processing work. *odules reside low in the architecture should be the

workers# performing all input# computational# an output tasks.

Daa S$,c,$e

:ata &tructure is a representation of logical relationship among

individual elements of data. Because the structure of information will invariabl%

affects the final procedural design# data structure is ver% important as the

program structure to the representation of the software architecture. :ata

structure dictates the organi0ation# methods of access# degree of associativel%#

and processing alternatives for information. The organi0ation and comple2it% of a

data structure are limited onl% b% the ingenuit% of the designer. &calar item arra%

and linked list are some of the representations of the data structure.

So%-a$e P$oce+,$e

)rogram structure defines control hierarch% without regard to the se1uence

of processing and decisions. &oftware procedure focuses on the processing

details of each module individuall%. )rocedure must provide a precise

specification of processing# including se1uence of events# e2act# decision points#

repetitive operations and even data organi0ation ? structure. !nformation hiding

suggests that modules be characteri0ed b% design decisions that hide from all

others. !n other words# modules should be specified and designed so that

information contained within module is inaccessible to other module.

:esign is defining a model of the new s%stem and continues b% converting

this model to a new s%stem. The method is used to convert the model of the

proposed s%stem into computer specification. :ata models are converted to a

database and processes and flows to user procedures and computer programs.

:esign proposes the new s%stem that meets these re1uirements .This new


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s%stem ma% be built b% a fresh or b% changing the e2isting s%stem. The detailed

design starts with three activities# database design# user design and program

design. :atabase design uses conceptual data model to produce a database

design. ,ser procedure design uses those parts of the :>: outside the

automation boundar% to design user procedures.

Daa Flo- Dia8$am

The data flow diagram :>: is one of the most important tools used b%

s%stem anal%sts. :ata flow diagrams are made up of a number s%mbols# which

represent s%stem components. *ost data flow modeling methods use four kinds

of s%mbols. These s%mbols are used to represent four kinds of s%stem

components. )rocesses# data stores# data flows and e2ternal entities. )rocesses

are represented b% circles in :>:. :ata >low represented b% a thin line in the

:>: and each data store has a uni1ue name and s1uare or rectangle represents

e2ternal entities.

,nlike detailed flowchart# :ata >low :iagrams do not suppl% detailed

description of the modules but graphicall% describes a s%stems data and how the

data interact with the s%stem.To construct a :ata >low :iagram# we use#

'rrow

Circles

$pen "nd Bo2

&1uares

'n arrow identifies the data flow in motion. !t is a pipeline through which

information is flown like the rectangle in the flowchart. ' circle stands for process

that converts data into information. 'n open/ended bo2 represents a data store#

data at rest or a temporar% repositor% of data. ' s1uare defines a source or

destination of s%stem data.


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&i2 rules for constructing a :ata >low :iagram

'rrows should not cross each other.

&1uares# circles and files must bear names.

:ecomposed data flow s1uares and circles can have same

names.

Choose meaningful names for data flow

:raw all data flows around the outside of the diagram.


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3.1.4 DATA FLO3 DIA)RA'

1. A+min 'o+,le

LOGI

N

BASE STATION

ADMIN

ADD BASE

STATION

CLUSTERS SERVICE

DETAILS

SERVICES

ADD

CLUSTER

STATION

ADD SERVICE

DETAILS

ADD

SERVICES


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&. Use$ 'o+,le

Login

User

DestinationBase Station

Selet

Ser!ies

Registratio

n

Ser!ies Re"ort


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.&.1 DATABASE DESI)N

:atabase design takes a pivotal role in the development of an% application

software. ' database is a collection of tables is used to store the related

information it minimum redundanc% to serve man% users 1uickl% and

efficientl%. !n this project the tables are designed efficientl% Not duplicate or

orphan records b% appl%ing >irst# &econd Normal form to reduce the

redundanc% and not store the orphan records.

No$mali6aion

Normali0ation is a step/B%/step procedure of putting the relation in a form

that is free from all sorts of anomalies. The normali0ation theor% is built

around the concept of the normal forms. The relation is said to be in a

particular form. !f it is satisfies certain specified.

!n this project# normali0ation is carried out for the reason given bellow

To reduce the redundanc% To structure the data

Unno$mali6e+ Fo$m"

The unnormali0ed table is that which does not satisf% an% constraints. The

table is in unnormali0ed form if it has multipl% entries for a singlecorresponding entr%.


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INPUT DESI)N

The following inputs are re1uired in the proposed s%stem for database as

well as for data manipulation. !nput for following modules.


,ser *odule

&ervices *odule

'll the above modules are used in the following controls. The% are

B,ons"

The most widel% used control is the push button. ' push button is a

component that contains a label and that generates an event when it is pressed .

Te9 A$ea+

&ometimes a single line of te2t input is not enough for a given task. To

handle this situation# the 'T includes a simple multi line editor called Te2t 'rea.

Te9 Fiel+"

Te2t field class implements a single line te2t entr% area# usuall% called an

edit control. Te2t field allows the user to enter strings and to edit the te2t using

the arrow ke%s# cut and paste ke%s and mouse selection.

Ra+io B,on"

!t is possible to create a set of mutuall% e2clusive check bo2es in which

one and onl% one check bo2 in the group can be checked at an% one time.

D$o#: +o-n Bo9"

The dropF down bo2 class provides a compact# multiple/ choice# scrolling

selection list. ,nlike the choice object# which shows onl% the single selected itemin this menu;


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E9am#le"

ADD NE3 USER

USERNA'E"

LO)IN NA'E "

PASS3ORD "

DOB "

E


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OUTPUT DESI)N

:esigning computer should proceed in well thought out manner. The term

output means an% information produced b% the information s%stem whether

printed or displa%ed. hen anal%st design computer out put the% identified the

specific output that is needed to meet the re1uirement. Computer is the most

important source of information to the users. $utput design is a process that

involves designing necessar% outputs that have to be used b% various users

according to re1uirements.

"fficient intelligent output design should improve the s%stem relationship

with the user and help in decision making. &ince the reports are directl% re1uiredb% the management for taking decision and to draw the conclusion must be

simple# descriptive and clear to the user. $ptions for outputs and forms are given

in the s%stem menus.

37en +esi8nin8 7e o,#,= s!sem anal!s m,s accom#lis7 7e %ollo-in8"

:etermine the information to present.

:ecide whether to displa%# print# speak the information and select

the output medium

'rrange the information in acceptable format.

:ecide how to distribute the output to intended receipt.


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I'PLE'ENTATION

The implementation is the process of converting the design into actual

code. The implementation process is done after completing the designing task.

The goal is to provide the logical order for a creation of the modules and

creation of the s%stem.

The implementation of an% software re1uires perfect satisfaction of the

user. The proposed s%stem takes into account the various difficult faced b% the

users in operating s%stem and provides user friendl% operations. The s%stem is implemented in the server and checked for its performance

and accurac%. &uccessful implementation of the software is accomplished. This

project is to be done using J&EEas front end and 's


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TESTIN)

&oftware testing is a critical element of software 1ualit% assurance and

represents the ultimate review of specification# design# coding. The engineer

creates a serious of test cases that are intended to demolish the software that

has been built. !n fact# testing is the one step in this software engineering

process# which could be viewed as destructive rather than constructive. The

testing process is divided into three major components as follows

,nit Testing

!ntegration Testing

@alidation Testing

UNIT TESTIN)

The software is tested using the unit test method. ,nit testing focuses

verification effort on the smallest unit of software design module. ,sing the

procedural design description as a guide# important control parts are tested to

uncover errors with in the boundar% of the module.

"ver% module in the project is checked for verification.

E9am#le"

Error Description Correction

float avg;

avg=avg+Double.parseDouble(rs1.getFloat(9)))

Variable avg may

not have been

initialize.

!issing "erm

float avg=#;

$ive the misse"erm

.

INTE)RATION TESTIN)


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This testing is the s%stematic techni1ue for constructing the program structure

b% performing the test in each module and later combining the entire individual module

to form a ver% large program.

E9am#le"

E$$o$"

There1uested resource http+??localhost+4545?dhana?html?resource.html is not

available.

Co$$ecion"

The re1uested resource should be specified for calling the correct page.

VALIDATION TESTIN)

@alidation testing is the process of testing the input. hether the given

inputs are valid or invalid.

E9am#le"

The error message will be displa%ed whenever the wrong data entered

into the te2tbo2. !f )rjF!dGHHH then error message will be displa%ed. Because

it accept onl% number.

'AINTENANCE ISSUES


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The term so%-a$e mainenance is used to describe the software

engineering activities that occur following deliver% of a software product to the

customer. The maintenance phase of the software life c%cle is the time period in

which a software product performs useful work.

This project deals adaptive maintenance. 'daptive of software to a new

environment ma% involve moving the software to a different machine. )roblem

correction involves modification and revalidation of software to correct errors.

The enhancement of this project can be accomplished easil%. That is# an%

new functional capabilities can be added to the project b% simpl% including the

new module in the homepage and giving a h%perlink to that module. 'daptation

of this project to a new environment is also performed easil%.

A+a#i0e 'ainenance"

'daptive maintenance results in the modification to the software to

accommodate changes to its e2ternal environment. !n this project# d%namicall%

we can add new components when ever necessar%. !t is designed to

accommodate the new changes in further.

'daptation of this software to a new environment ma% involve moving the

software to a different machine. &uch as indows 7555# indows NT# indowsI4# indows I=.

Re


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The *Locaion base+ cell,la$ ne-o$/ has been developed to

overcome the problem faced in the present s%stem. The developed package wasfound to work out the operation effectivel%. The objectives of the s%stem have

been achieved.

The goals that have been achieved are+

"nsure process time and increase throughput.

&implifies the operation.

'void some manual work.

8educe data redundanc% and inconsistenc%.

,ser friendl% input screens to enter data.

' consistent and efficient s%stem has been successfull% developed#

implemented and tested. The s%stem has been developed using E7"" and *&

'ccess under indows 7555. The s%stem is ver% fle2ible and user friendl%.

>urther changes can be incorporated into the s%stem easil%. 'de1uate

documentation provides for maintenance and future enhancement.


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>. BIBLIO)RAP(Y

Ja0a Se$0e$ Pa8es

/Eames 9oodwill# B)B )ublications# ! "dition.

So%-a$e En8inee$in8

/ 8ogers )ressman# *c 9raw (ill )ublications

Ja0a& com#lee $e%e$ence

/(erbert &childt

Ja0aSc$i#/ :avid >lanagan $8eill%


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APPENDI?

SOFT3ARE PROFILE

3in+o-s &@@@"

The computing world was presented with the first release of the

totall% new and revolutionar% operating s%stem. *icrosoft windows performance

and features that previousl% has been accessible onl% on J75#555 annotations

became instantl% available to an%one with a high/end personal computer.

indows is now *icrosoft Corporations premier operating s%stem. :esigned

around powerful and well thought software architecture# the primar% features that

allow indows to use the full power of toda%s processors are+

Scalabili!"

'bilit% to run on a single pc with a single user up to a multi/user#

microprocessor and network installation.

T7e 3in+o-s )UI"

The familiar graphical user interfaces it presents to the world.

Tec7nolo8ies ,se+"

J&EE"

E7"" is introduced in 6II4 defines a multi/tier architecture for

"nterprise !nformation &%stems "!&.B% defining the wa% in which the multi/tier

application should be developed- E7"" reduces the costs# in both time and

mone%# of developing large scale enterprise s%stems. The E7"" platform


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specifies the logical application components within a s%stem and defines the

roles pla%ed in the development process.

hile developing a project# it is significant that the technologies using for

development must be reliable# fle2ible and robust. !n case of a customer support

tool application like this# the matter is more important because it details with a

large number of clients and handles confidential data. 'fter comprehensive

anal%sis# found that java and related technologies are more suitable for customer

support tool applications since java has man% features set that allow it to be an

effective platform for customer support tool.

!n addition# &un has a strong understanding of the critical business

issues necessar% to consider for customer tool. 'nother reason that java in

variet% of application servers. Eava 7 "nterprise "dition E7"" makes the java

language an even better in the customer arena because of some ke% features

like+

E7"" makes java a full%/fledged server/side development

platform.

E7"" has a solid infrastructure that provides a well/tested

implementation of much common applications needs such as

securit% and messaging.

E7"" standardi0es development making it easier for companies to

commit to E7"".

Eava7 "nterprise "dition or E7"" is a package of specifier aligned to

enable the development of multiplier enterprise applications.

The specifications outline the various components needed within

E7"" enterprise s%stems the technologies for accessing and


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providing services and even the roles pla%ed during the

development# deplo%ment and runtime lifec%cle.

E7"" handles man% critical tasks of customer support tool such as

login maintenance and database maintenance and access.

J&EE A$c7iec,$e"

!ntermediate compilation

8untime @* interpretation

A##licaion Com#onens

>our application components are defined in E7"" )latform .The% are

'pplication Components&tand alone java clients

'ppletsjava code which e2ecutes within a browser

eb ComponentsE&)s# &ervlets

&erver Components"EBs# E7""# ')! implementations

3eb Com#onens

#AVACODE

#AVA B$TE

CODE

%IN3& '()V* Solaris


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The% are server side components generall% used to provide the

presentation la%er to be returned to a client. 7 t%pes of web components e2isting

are Eava &erver )ages E&)s and Eava# &ervlets.

Ja0a Se$0e$ Pa8es"

There are two wa%s to achieving d%namic content generation. The% are#

)rogrammatic content generation.

Template/based content generation

Eava &ervlets fall into the first categor%# while Eava server pages belong to

t%picall% comprise of

&tatic (T*L?H*L components

&pecial E&) Tags

$ptionall%# snippet of code written in Eava )rogramming Language

called &criplets.

,nlike a plain (T*L page# which contains static content that alwa%s

remain the same# a Esp page can change its content based on an% number of

variable items# including the identif% of the user# the users browser t%pe#

information provided b% the user# and selections made b% the user.

' Esp page contains standard markup language element such as (T*L

tags# just like a regular web page. Esp element that allow the server to insert

d%namic content in the page. Esp elements can be used for a wide variet% of

purposes# such as retrieving user preferences. Esp pages share the rite $nce#

8un an%where characteristics of Eava technolog%. Esp technolog% is a ke%


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component in the java 7 platform# enterprise edition# and &uns highl% scalable

architecture for enterprise applications.

Esp can use the full capabilit% of Eava components such as E:BC# 8*!#

C$8B'# E*& and EN:!. Eava &erver )ages are built on top of Eava servlets and

are designed to increase the efficienc% in which programmers and even non/

programmers can create web content. The main advantages of using E&) are+

E&) pages can be used in the combination with servlets that handle

the business logic# the modal supported b% Eava servlet template

engines.

Ja0a Se$0e$ Pa8e P$ocess"

E&) pages are interpreted onl% once- to java b%te/code and

reinterpreted onl% when the file is modified.


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E&) supports both scripting based and element based d%namic

content# and allows programmers to develop custom tag libraries to

satisf% application/specific needs.

E&) pages are pre/compiled for efficient server processing.

E&) run on all the main web servers.

!t is true that both servlets and E&) pages have man% features in common

and can be used for serving up d%namic web content. Naturall%# this ma% cause

some confusion as to when to opt for one of the technologies over the other.

Eava &erver )ages provide a much cleaner separation of presentation from logic#

and are simpler to write. Together# E&) technolog% and servlets provide an

attractive alternative to other t%pes of d%namic web scripting?programming that

offers platform independence# enhanced performance# and separation of logic

from displa%# ease of administration# e2tensibilit% into the enterprise and most

importantl%# ease of use.

Se$0e$ Com#onens

&erver components can be in form of "EBs "nterprise Eava beans.

"EBs e2ecutes within a container that manages the runtime behavior of "EBs.

3o$in8 -i7 7e 'o+el Vie- Con$olle$

T%picall% entit% beans are used to provide the model logic# while a mi2 of

entit% beans and session beans are used to provide the control logic and web

components are used to !mplement both control and presentation logic.

The Eava Beans specification allows software components to be written in

java# which encapsulates the logic behind the web application and remove the

bulk of the script let code that would otherwise clutter up the jsp. The result Esp


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code that is simpler# easier to maintain# and which is more readil% accessible to

non/programmers.

Eava uses the beans specification to allow the creation of software

components that can be used b% other developers and designers to build

specialist applications. Eavas cross platform nature means that the same Eava

bean should be reusable across an% machine. This reall% frees us from

dependence on an% particular platform

Se$0e$ S#eci%icaion

!ntroduction

This is the top/level entr% point of the documentation bundle for the Tomca &ervlet?E&) container. Tomcat ; implements the &ervlet 7.?web.2ml.

Se$0leJSP Ja0a+ocs / The &ervlet 7.< and E&) 6.7 ')!Eavadocs.

Caalina De0elo#e$s

The following documents are for Eava developers who wish to contribute to thedevelopment of the Catalinaservlet container portion of Tomcat itself# or to better
http://java.sun.com/products/servlet/http://java.sun.com/products/jsp/http://java.sun.com/products/jsp/http://localhost:8080/tomcat-docs/appdev/index.htmlhttp://java.sun.com/products/servlet/download.htmlhttp://localhost:8080/tomcat-docs/servletapi/index.htmlhttp://java.sun.com/products/servlet/http://java.sun.com/products/jsp/http://java.sun.com/products/jsp/http://localhost:8080/tomcat-docs/appdev/index.htmlhttp://java.sun.com/products/servlet/download.htmlhttp://localhost:8080/tomcat-docs/servletapi/index.html


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understand its internal architecture and operation.

F,ncional S#eci%icaions / 8e1uirements specifications forfeatures of the Catalinaservlet container portion of Tomcat ;.

Ja0a+ocs / Eavadoc ')! documentation for the Catalina servletcontainer portion of Tomcat ;.

Con%i8,$in8 Tomca

This section will ac1uaint %ou with the basic information used during the

configuration of the container.

'll of the information in the configuration files is read at startup# meaning that

an% change to the files necessitates a restart of the container.
http://localhost:8080/tomcat-docs/catalina/funcspecs/index.htmlhttp://localhost:8080/tomcat-docs/catalina/docs/api/index.htmlhttp://localhost:8080/tomcat-docs/catalina/funcspecs/index.htmlhttp://localhost:8080/tomcat-docs/catalina/docs/api/index.html


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SCREEN S(OTS

(O'E PA)E


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AD'INISTRATOR PA)E


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AD'IN PA)E


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SELECTIN) SERVIES TO ADD DETAILS


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ADDIN) DETAILS TO TRAIN SERVICE


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LO)IN PA)E TO USER


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RE)ISTRATION PA)E


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SERVICES PA)E


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SELECTIN) DESTINATION BASE STATION SERVICE


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SERVICE DETAILS PA)E


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