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Trng i Hc Bch Khoa H Ni

Vin Cng Ngh Thng Tin & Truyn Thng

------------ ------------

Xy dng H thng chia s Ti liu hc tptheo m hnh phn tn

Ging Vin Hng Dn: Ts. Cao Tun Dng

Nhm 03:Phm Vit H 20070963H Vn Hin 20071071L Th Bch Thun 20073837Nguyn Minh Tuyn 20073251

inh Anh Tun 20073132Lp: CNPM-K52

H Ni, 04-2011

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Chia s Ti liu hc tp phn tn

Mc lc

Mc lc ................................................................................................................................... 2M hnh Thng i p publish/subscribe ................................................................. 51

M hnh ci t JMS API ....................................................................................... 52

I. t vn

1. Gii thiu bi ton

Xy dng H thng chia s ti liu hc tp phn tn. H thng gm

mt trung tm iu khin-Server, v cc ng dng trn my ca Sinh vin-

Client.

Client: ng l ln Server cc th mc, file mun chia s

Client c th xem danh sch cc th mc c chia s, mi th mc

bit c ai ang download, ai ang chia s

Client c th download cc file, th mc m ngi khc chia s trn

server. Khi , client s lin h vi tt c cc client c d liu tng ng

trao i

Nhm 03- Lp Cng ngh Phn mm K52Page 2

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Server qun l thng tin cc client, cc file chia s

2. L do chn ti

Khi bn g mt t kha tm kim vo Google, s c rt rt nhiu ktqu tm thy. Vy kt qu no trong s l th m bn cn? Trong hc tp,

c bit bao Ti liu bn mun tham kho. C bit bao kin thc bn mun

tm kim. V cng c khng t Ti liu bn c m mun chia s. Bn gp rc

ri khi khng bit s chn Ti liu no? Vy gii php cho bn l g?

S c ngi cho rng s lp mt din n, hay mng x hi chia s Ti

liu. cng l mt cch hay. Mi ngi, ai cng c th tm kim Ti liumt cch chn lc hn, c hng dn, c chia s.

Ring vi nhm em, chn ti Chia s Ti liu hc tp. Bi ti

ny c ng dng thc t, gii quyt mt vn cng rt thc t: ngi c

Ti liu mun chia s cho ngi khc mt cch thoi mi, ngi tm kim

Ti liu cng nh hng c rng mnh mun tm kim ci g.

ti Chia s Ti liu hc tp c li ch hng ti cng ng, nhng

cng hng ti bn thn mi ngi c Ti liu chia s. Bi l, Ti liu hc

tp l vn rt quan trng. Mi chng ta trong cuc i u khng ngng

hc tp. Mt vn s c nhiu cch gii quyt. Thay v c hng ngn, thm

ch l hng triu kt qu truy vn khi bn dng Google. Nhng n vi ng

dng Chia s Ti liu hc tp, con s c thu ngn li, v nhiu khi, kt

qu m chng ta tm c l duy nht. Khng ch download c Ti liu

cn thit, chng ta c th bit thm c mt s thng tin hu ch do ch

nhn ca Ti liu m t, gip chng ta nh hnh tt hn trong vic xem xt

c nn s dng Ti liu ny hay khng.


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Trc vn thit thc nh vy, nhm 03 chng em quyt nh chn

ti Chia s Ti liu hc tp phn tn.

3. Cng ngh s dng

Nhm s dng cng ngh JMS (c m t chi tit mc di y)

II. Bng t in thut ng v t vit tt

STT T vit tt,

thut ng

M t

1

.

H thng Cc thao tc ca Client v Server, trong sut i vi User

2

.

TT Vit tt ca t Thng tin

3

.

CSDL Vit tt ca t C s D liu

4

.

User Cc thnh vin tham gia vo H thng

5

.

Admin Ngi qun l H thng, c cc quyn thm, sa, xa

thnh vin, qun l thng tin cc thnh vin

6

.

Ngi s dng Ngi dng H thng, bao gm Admin v User

7 Member Ngi s dng H thng nhng ng nhp vo H


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thng thnh cng

III. M t H thng

1. Yu cu chc nng

1.1. ng k thnh vin

- ngha: cung cp chc nng ng k thnh vin H thng

- Quy trnh hot ng:

Ngi s dng in thng tin vo form ng k thnh vin.

H thng tin hnh kim tra thng tin ng k. Nu thng tin hp

l, H thng lu thng tin ng k v thng bo ng k thnh

cng; nu khng thng bo ng k b li

1.2. ng nhp H thng

- ngha: Cho php thnh vin ng k ng nhp vo H thng

- Quy trnh hot ng:

Ngi s dng nhp Account v ting hnh ng nhp vo H

thng

H thng kim tra tnh hp l ca account. Nu account hp l tin

hnh ng nhp, nu khng th t chi vic ng nhp

1.3. Chia s d liu

- ngha: L mt trong hai chc nng quan trng nht ca H thng.

Chc nng ny cho php ngi s dng chia s Ti liu.

- Quy trnh hot ng:


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Ngi s dng la chn ng dn n file cn chia s.

Ngi s dng vit m t ngn gn cho file mun chia s.

Ngi s dng c th hy b chia s file.

Khi 1 file c nh du chia s: Client t ng lu 1 bn sao

ca file cn chia s v gi Thng ip cha thng tin ca file v

Server. Server tin hnh x l (cp cho file 1 ID) v a thng

tin ca file vo CSDL

Khi 1 file b hy chia s: Client t ng xa file trong th mc

lu tr file ca H thng (my ca users) v gi Thng ip hy

b chia s vi file tng ng v Server. Server tin hnh x l v

xa thng tin v file khi CSDL

1.4. Download d liu

- ngha: l mt trong hai chc nng quan trng nht ca H thng.

Chc nng ny gip ngi s dng download file.

- Quy trnh hot ng:

Ngi s dng dng danh sch cc file ang c chia s do

Server cung cp hoc tin hnh tm kim Ti liu mun download.

Ngi s dng tin hnh download.

File download v my s c Client t ng lu trong th

mc c nh. Ngi s dng c th ty chnh th mc c nh ny

theo mun.

1.5. Qun l thng tin


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- Pha client: H thng hin th cho ngi dung thy danh sch nhng

file ang c chia s, mi file s i km nhng thng tin c th: file

do ai chia s, ai ang download file .

- Pha server:

Qun l danh sch thnh vin (client), mi thnh vin u phi c

nhng thng tin: ID, files chia s, file download

Qun l danh sch cc file c chia s, cc file ang c

download, mi file u bao gm cc thng tin: file do ai chia s, ai

ang download

2. Yu cu phi chc nng

2.1. Yu cu v tnh kh chuyn

- Khi mang Phn mm sang ci t mi trng khc (H iu

hnh khc, server khc, phn cng khc), th Phn mm phi c kh

nng thch nghi c vi mi trng , c kh nng ci t c

trn mi trng .

2.2. Tnh trong sut ca H thng

o Trong sut truy cp (che giu s khc bit v cch biu din v

cch truy cp ti nguyn)

o Trong sut v v tr (che giu v tr ca ti nguyn.)

o Trong sut di tr (che giu kh nng chuyn v tr ca ti

nguyn)


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o Trong sut v vic nh v li (che giu vic di chuyn ca ti

nguyn khi ang c s dng)

o Trong sut trong nhn bn (che giu tnh trng s dng bn sao

ca ti nguyn)

o Che giu s chia s ti nguyn tng tranh ()

o Trong sut s c (che giu li H thng nu c)

o Trong sut kh nng gi chuyn ti nguyn (che giu vic di

chuyn ti nguyn t b nh ngoi vo b nh trong v ngc li)

2.3. Yu cu v hiu nng

- Ngi dng khi s dng ng dng thy cc thao tc c thc hin

gn nh ngay lp tc, nu phi ch th khng qu 4s.Thi gian

download th ty thuc kch thc file

2.4. Yu cu v tnh tin cy

- Kh nng xy ra li nh.

- Thi gian phc hi sau li nh

2.5. Yu cu s dng

- Phn mm d s dng, d hiu, d thao tc

- Khng c qu nhiu thao tc khin ngi s dng phi thc hin

2.6. Yu cu chuyn giao

- Khi chuyn giao n ngi s dng, Phn mm c ng gi.


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2.7. Yu cu ci t

- Phn mm c ng gi, ngi s dng khng phi thc hin cc

thao tc qu phc tp.

- Ngi s dng ch vic thc hin ci t Phn mm nh i vi bt k

Phn mm no khc.

2.8. Yu cu ring t

- Mi thng tin v ngi s dng c bo m, v ngi ngoi khng

th c hnh ng g sa i nhng thng tin ny.

- Ngi s dng khng b lm phin bi cc hot ng chia s hay

download Ti liu.

2.9. Yu cu an ton

- H thng m bo rng mi thng tin ca ngi s dng u c an

ton.

- Cc d liu m ngi s dng chia s u khng b xm phm, khng

b mt (tr khi do chnh tay ngi s dng xa Ti liu ).

2.10. Yu cu hp qui tc

- Phn mm c xy dng ng qui tc, t khu c t yu cu, n

khu phn tch thit k H thng, khu ci t, kim th v bo tr.

- Phn mm c xy dng mt cch hp l, khng o code hay Copy

t bt k H thng c sn no.


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3. Giao din v chc nng m t trn giao din

3.1. Giao din pha ngi dng

3.1.1. Giao din ng nhp


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3.1.2. Giao din ng k thnh vin:


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3.1.3. Giao din chia s file


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Giao din chia s file gm nhng thnh phn chnh sau:

- Danh sch cc file c chia s bi ngi s dng: l mt bng

bao gm ID, tn, nh dng, kch thc v s ln c download ca

cc file ang c ngi s dng chia s.

- Danh sch Whos dowloading: khi click vo mt file trong danh

sch cc file ang c chia s, tn ca nhng user ang download

file s hin ln trong khung Whos downloading.

- Button Browse: dng chn ng dn n file mun chia s.

Button Share: Click thc hin chia s file chn.


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- Name, Category, Description: sau khi chn file mun chia s, ngi

dng bt buc phi vit tn ca file vo khung Name, chn danh

mc cho file khung Category v vit m t ngn gn cho file vo

khung Description.

- Label Count pha di danh sch cc file ang c share: th hin

tng s file ang c chia s bi ngi dng.

- Label Count pha di khung Whos downloading: th hin tng s

user ang download file c chn.

- Button Signout: click thc hin ng xut khi h thng.

3.1.4. Giao din download file.


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Giao din download file gm nhng thnh phn chnh sau:

- Danh sch cc file ang c tt c nhng ngi dng khc chia s: l

mt bng gm ID, tn, nh dng, kch thc, s ln c download

v tn user chia s file .

- Danh sch Whos downloading: khi chn mt file trong danh schnhng file ang c chia s trn, tn nhng ngi download file

s hin ln trong khung Whos downloading.

- Name, Description: khi chn mt file trong danh sch cc file ang

c chia s, tn v m t ngn gn ca file s hin ln trong

khung Name v Description.

- Button Download: ngi dng click thc hin vic download file

mnh mun. Khi n Download, h thng s cho ngi dng chn

ng dn lu file.

- Label Count pha di danh sch cc file ang c chia s: th hin

tng s file ang c chia s.

- Label Count pha di khung Whos downloading: th hin tng sngi ang download file c chn.

- Button Signout: click ng xut khi h thng.


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3.2. Giao din pha ngi qun tr h thng

3.2.1. Giao din ng nhp h thng qun tr


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3.2.2. Giao din qun l thnh vin

Giao din qun l Thnh vin gm nhng thnh phn chnh sau:

- Danh sch cc Thnh vin ca H thng: l mt bng gm Username,

Password, s Ti liu chia s v s Ti liu download.


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- mc count:3, l ni Admin qun l vic thm, sa, xa Thnh vin.

Button New l thm mi thnh vin. Button Delete l xa

Thnh vin. Button Refresh l Refresh. Button Save l ghi li

thng tin mi thao tc.


3.2.3. Giao din qun l danh mc file

Giao din Qun l danh mc file gm nhng thnh phn chnh sau:


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- Danh sch cc file c trong H thng m c ngi s dng ng

k chia s: l mt bng gm ID, tn Th loi danh mc.

- Category: c cc chc nng thm, sa, xa

- Button New: thm mi file/folder vo Category.

- Button Delete: xa file/folder trong Category

- Button Save: ghi li thao tc va thc hin


3.2.4. Giao din qun l Download


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Giao din Qun l download file gm nhng thnh phn chnh sau:

- Danh sch cc user ang Download, v danh sch file ang c

ngi dng khc Download: l mt bng gm tn ngi s dng

mun download file, ID ca Ti liu, Tn Ti liu.


3.2.5. Giao din qun l File


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Giao din Qun l file gm nhng thnh phn chnh sau:

- Danh sch cc file c trong H thng c ng k ln bi ngi

s dng: l mt bng gm ID, tn File, nh dng File, kch thc

File,danh mc cha File, m t File, tn ngi ch ca File v t l

Download.

- Count: 6, l ni Admin c th thm, hay xa cc thng tin v

File. Gm:

o Document Name: tn ca Ti liu

o Document Type: nh dng ca Ti liu (.doc, pdf, txt)

o Danh mc cha Ti liu

o Description: m t cho Ti liu


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- Button New: ngi dng click thc hin vic thm mi Ti liu.


4. Use case

Actor ca H thng: Admin, User


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4.1. ng k thnh vin

4.1.1. Biu hot ng

4.1.2. Biu giao tip


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4.1.3. M t chi tit

User System

1. Ngi s dng

tin hnh ng k

2. H thng Hin th mc Gii thiu v cc

iu l. Ch khi ngi s dng ng vi cc

iu l ny th mi c tip tc thc hin cng

vic ng k thnh vin

3. Ngi s dng

sau khi chp nhn

iu l, bt u in

thng tin cn thit m

H thng yu cu

4. H thng tin hnh vic kim tra tnh hp l

ca Thng tin m ngi s dng nhp vo

4.1.Nu thng tin ngi s dng nhp

vo khng hp l, H thng s a ra

thng bo ngi s dng bit. ngthi yu cu ngi s dng nhp li thng

tin nhng ni cha hp l.

4.2.Nu thng tin ngi s dng nhp

vo hp l. H thng s a ra thng bo


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Vic ng k thnh cng

5. Khi ngi s dng ng k thnh cng,

H thng cp nht ngi s dng lm thnh

vin mi

4.1.4. Alternative FLow (Lung pht sinh ngoi l)

- Ngi dng nhp k t khng hp l vo trong Form ng k:

o Nhp k t *, ,&,! trong password.

o Nhp hai hoc nhiu hn hai k t @ trong E-mail

o Password nhp vo t hn 6 k t

o B trng, khng nhp vo c k hiu bt buc phi

nhp thng tin (v d: username, pasword).

H thng s nhc nh ngi s dng, v d: in thng tin cn thiuvo, hay username, password cha hp l.

- Lc ng k, ngi s dng chn username tn ti:

H thng s check v nhc nh ngi s dng, ng thi yu cu

ngi s dng chn username khc

4.2. Sa Thng tin thnh vin

4.2.1. Biu hot ng


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4.2.2. Biu giao tip


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4.2.3. M t chi tit

User System

1. Ngi s dng ng

nhp vo H thng, chn

chc nng Sa thng tin

thnh vin

2. H thng hin th Thng tin hin ti

ca ngi s dng (Member) .

3. Member nhp cc

thng tin chnh sa vo

4. H thng tin hnh vic kim tra tnh

hp l ca Thng tin m Member mi

chnh sa

4.1. Nu thng tin m Member nhp vo

khng hp l, H thng s a ra

thng bo li, ng thi yu cu

Member nhp li thng tin nhng


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ni cha hp l.

4.2. Nu thng tin m Member nhp vo

hp l, H thng s tin hnh cp

nht Thng tin m Member mi

chnh sa vo CSDL


- Member nhp k t khng hp l:

o Nhp k t *, ,&,! trong password.

o Nhp hai hoc nhiu hn hai k t @ trong E-mail

o Password nhp vo t hn 6 k t

o B trng, khng nhp vo c k hiu bt buc phi

nhp thng tin (v d: pasword).

H thng s nhc nh ngi s dng, v d: in thng tin

cn thiu vo, hay password cha hp l.

- H thng khng cho php Member sa username


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4.3. Chia s Ti liu

4.3.1. Biu hot ng

4.3.2. Biu giao tip


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4.3.3. M t chi tit

User System

1. Ngi s dng

phi ng nhp vo

H thng mi c

quyn chia s Ti

liu. Sau khi ng

nhp thnh cng,

Member chn

File/Folder mun

chia s

2. H thng tin hnh kim tra tnh hp l

ca File/Folder

2.1. Nu File/Folder khng hp l, Hthng a ra thng bo cho Member

bit.

2.2. Nu File/Folder hp l

3. Member vit M

t cho Ti liu m

mnh mun chia s.

Ch rng cng vic

ny l khng bt

4. H thng tin hnh cp nht Thng tin m

Member mi chia s

5. H thng thng bo cho ngi dng bit

rng vic chia s thnh cng


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buc


- Member chn Ti liu khng phi l Ti liu hc tp, m l

phim nh, ca nhc, v thm ch c th l nhng tc phm i try

- Folder ban u khi ng k chia s l hp l, nhng sau c

Member thay i ni dung bn trong thnh Ti liu khng hp l

(phim nh, ca nhc)

- Member i ph bng cch vit nhng M t khng ng vi

ni dung m mnh mun chia s (v d: ajshgeh, aghuhag) hoc

vit nhng thng tin rt chung chung (v d: Ti liu ny rt b

ch, Ti liu ny rt hay, mnh rt thch Ti liu ny)

- ang kim tra tnh hp l ca File/Folder m Member mun

chia s th kt ni b ngt.

- File/Folder m Member chia s c tn trng vi tn File/Folder

c trong CSDL ca H thng.

4.4. Xem danh sch chia s

4.4.1. Biu hot ng


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4.4.2. Biu giao tip

4.4.3. M t chi tit

User System

1. iu kin tin

quyt: ngi s dng


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ng nhp thnh

cng vo H thng

2. Ngi s dng

tin hnh vic xemdanh sch chia s

3. H thng hin th danh sch chia s


- Tn ti File trong danh sch File chia s m File thc cht

b ngi s dng xa i, hay di chuyn i ni khc

4.5. Tm kim Ti liu

4.5.1. Biu hot ng

4.5.2. Biu giao tip


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4.5.3. M t chi tit

User System

1. iu kin tin

quyt: ngi s dng

ng nhp thnh

cng vo H thng

2. Member tin

hnh vic tm kim

Ti liu: nhp thngtin tm kim

3. H thng tin hnh vic kim tra tnh hp

l ca Thng tin tm kim

3.1. Nu Thng tin tm kim khng hp l,

H thng bo li cho Member

3.2. Nu thng tin tm kim hp l

4. H thng tin hnh vic tm kim Thng


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tin

4.1. Nu khng tm thy Thng tin, H

thng hin th Thng bo khng tm

thy Thng tin cho Member

4.2. Nu tm thy Thng tin, H thng hin

th kt qu tm c cho Member


- Member nhp Thng tin tm kim khng hp l (v d: hoctap,eebook)

4.6. Download Ti liu

4.6.1. Biu hot ng


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4.6.2. Biu giao tip


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4.6.3. M t chi tit

User system1. iu kin tin

quyt: ngi s dng

ng nhp thnh

cng vo H thng

2. Member khi

tm kim thnh cng

Ti liu

3. H thng hin th danh sch Ti liu hin

c

4. Member chn Ti

liu cn Download

5. Nu vic Download khng thnh cng,

H thng hin th Thng bo cho Member

rng vic Download tht bi

6. Nu vic Download thnh cng, H thng

hin th Thng bo cho Member bit rng

vic Download thnh cng.

4.6.4. Alternative Flow (Lung pht sinh ngoi l)

- Nu ng dn ca file chia s b thay i hoc b xa, H

thng s a ra thng bo File khng tn ti hay ng dn

khng tn ti

- ang Download d liu v th ng truyn b ngt (c th do

rt mng), sau khi s c ngt c phc hi


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o Kh nng 1: H thng thng bo cho Member c mun

tip tc thc hin cng vic ang dang d hay khng.

o Kh nng 2: Member s phi thc hin vic Download

li t u.

- Vi thao tc Download, iu g s xy ra khi th mc c nh

my Client b xa? Bi l ta bit, H thng thng default mt th

mc c nh, khi Download, cc file d liu s c lu ,

v mi ty chnh sau ny l ngi s dng (di di sang th mc

khc)

- Member 1 mun Download d liu c my ca Member 2,

nhng thi im my ca Member 2 cha bt, hoc Member

2 c s dng my, nhng li khng bt phn mm chia s d liu?

5. Design constraint

- C chn bt cc ngoi l pht sinh v c cc ng x ph hp vi

ngoi l

- C s d liu c thit k m bo hiu nng

- p dng mu kin trc phn tng, tng kh nng ti s dng v gip

vic bo tr nng cp c d dng

- m bo c truyn thng Thng ip bn vng v khng ng b

- Dng MOM

IV. Kin trc H thng

1. S kin trc Logic


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- H thng c xy dng theo mu kin trc phn tng v hng

thnh phn gip d ti s dng

- Application client gi n cc session bean yu cu cc dch v x

l nh ng nhp, ng xut, tm kim

- Cc session bean gi n cc entity bean yu cu cc m hnh d

liu

Cc entity bean c nh x ORM vi c s d liu quan h

2. S kin trc Vt l


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- H thng c trin khai trn nhiu my trong mng cc b

- My trung tm cha Oracle Glassfish Application Server c h tr

EJB, JMS.

- C s d liu MySQL cng c t trn my trung tm

- Cc my client cha cc ng dng chy trn JVM

- Cc client gi n EJB qua giao thc RMI-IIOP

- Cc client giao tip vi nhau qua JMS


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V. M hnh, giao thc v thut ton truyn thng

H thng chia s ti liu phn tn ca chng em p dng 2 m hnh truyn

thng.

- Triu gi phng thc t xa: cc client tng tc vi EJB (trong my

trung tm) qua giao thc RMI-IIOP.

- Trao i thng ip: s dng JMS trao i thng ip gia cc

my client.

1. M hnh triu gi phng thc t xa

1.1. u im

- D lp trnh

1.2. Nhc im

- Hnh thc truyn thng l ng b lm gii hn kh nng m

rng ca h thng, cc my mun gi thng ip t xa phi bit khundng phng thc ca ng dng t xa

2. M hnh trao i thng ip

2.1. u im

- Thng ip c kh nng lu tr, iu hng v bin i

- Truyn thng ip cho php truyn thng phn tn. Mt thnh

phn c th gi mt thng ip cho mt ch (destination), v bn

nhn c th thu c thng ip ny t ch. Tuy nhin, bn gi v

bn nhn khng cn sn sng cng lc truyn thng. Thc t, bn

gi khng cn bit bt k iu g v bn nhn; hay bn nhn khng cn

bit bt k iu g v bn gi. Bn gi v bn nhn ch cn bit khun


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dng thng ip v ch (destination) s dng. Theo kha cnh ny,

truyn thng ip khc vi cc cng ngh khc, nh Remote Method

Invocation (RMI), RMI yu cu ng dng phi bit r cc phng

thc ca ng dng xa.- Cho php truyn thng khng ng b

- Cho php tr hon hoc t timeout, u tin cho cc thng

ip

2.2. Nhc im: lp trnh khng t nhin

3. L do la chn

- Nhm chng em chn phng php trao i bng thng ip linlc gia cc client vi nhau gip cho h thng d dng m rng, da

vo s linh hot ca thng ip

- Ring giao tip gia client v server chng em vn chn cch tip cn

l RMI-IIOP ( chng em dng EJB) bi v u im d lp trnh ca n

4. Thut ton s dng xy dng H thng

Thut ton thc hin Download File

Bc 1: My download gi Thng ip bao gm userID v

documentID ca ngi dng v ti liu tng ng cn download cho my

chia s ti liu , thng qua mt RequestQueue.Truyn thng y l

khng ng b, bn vng.L do:

- Khng ng b: khng bt ngi dng phi i my chia shot ng.

- Bn vng: cho php ngi dng a ra yu cu download m

khng cn phi bn tm xem my chia s c ang hot ng hay

khng.Thng ip yu cu cui cng cng vn s n my chia s.


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- Ghi ch: tuy nhin, nhm chng em cng xem xt gi tr

TimeOut hy thng ip nu khng RequestQueue c th s b qu

ti.

Bc 2: My c chia s gi file c ng gi vo message gi licho my download qua mt FileQueue. Khi nhn c message s c

chuyn thnh file. Tng t nh trn to s thun tin cho ngi dng

cng nh s thch hp vi bi ton chia s ti liu gia cc my trong

tnh trng hot ng bt tt c n l t do, nhm chng em chn cch truyn

thng y l truyn thng khng ng b, bn vng.

ng thi my chia s cng mang userID v documenntID m my

download gi cho n qung b n cc my qua 1 Topic. Thng tin qung

b y ch cho mt my ang hot ng c th bit c tnh hnh

download ca cc my khc. V vy, nhm chng em chn cch truyn

thng y l nht thi v khng ng b.

Bc 3: Khi file c download xong, my chia s li qung b n

tt c cc my cho bit vic download ca my download kt thc.

Nhm chng em chn cch truyn thng nht thi v khng ng b (Tng

t nh trn)

Thut ton x l ng , tng tranh:

trnh khi download, xy ra nhng s c v d nh ngi dng thay

i v tr file, sa fille, xa file v.v Nhm chng em tm n gii php lto bn sao. File c download s c to 1 bn sao trnh vic ngi

trn my chia s lm nh hng n vic download .


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VI. Xy dng H thng

1. Cng ngh s dng

1.1. Truyn Thng ip l g

Truyn Thng ip (messaging) l cch thc giao tip gia cc

thnh phn phn mm hoc cc ng dng. Mt H thng truyn Thng

ip l mt phng tin thng tin ngang hng (peer-to-peer): Mt my

khch c th gi Thng ip i v nhn Thng ip v t bt k my

khch no. Tng my khch kt ni ti mt i l (agent) cung cp cng

c truyn thng to, gi, nhn v c Thng ip.


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Minh ha: H thng truyn Thng ip

Truyn Thng ip cho php truyn thng phn tn. Mt thnh phn c

th gi mt Thng ip cho mt ch (destination), v bn nhn c th thu

c Thng ip ny t ch. Tuy nhin, bn gi v bn nhn khng cn sn

sng cng lc truyn thng. Thc t, bn gi khng cn bit bt k iu g

v bn nhn; hay bn nhn khng cn bit bt k iu g v bn gi. Bn gi

v bn nhn ch cn bit khun dng Thng ip v ch(destination) s

dng. Theo kha cnh ny, truyn Thng ip khc vi cc cng ngh khc,

nh Remote Method Invocation (RMI), RMI yu cu ng dng phi bit r

cc phng thc ca ng dng xa.


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Minh ha: Tnh c kt cht ca RMI

1.2. JMS API

- JMS cho php cc ng dng to, gi, nhn v c cc Thng ip,

JMS API nh ngha mt tp nhng giao din v cc ng ngha lin

quan chung cho php cc chng trnh vit bng Java truyn thng

c vi nhau.

- JMS API ti thiu ha cc khi nim m lp trnh vin phi hc c

th s dng c cc sn phm truyn Thng ip nhng cung cp

tnh nng h tr cc ng dng truyn Thng ip phc tp.

- JMS API cho php truyn thng khng ch lin kt lng lo (loosely

coupled) m cn:


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- Khngngb: nh cung cp JMS c th phn pht Thng ip cho

my khch khi c Thng ip; my khch khng cn yu cu cc

Thng ip mi nhn c chng.

- Tin cy: JMS API c th m bo mt Thng ip c phn pht

mt v ch mt ln.

1.3. Khi no s dng JMS API

Nh cung cp ng dng s chn JMS thay v RPC trong cc trng hp

sau:

- Nh cung cp mun cc thnh phn khng ph thuc vo thng

tin v giao din ca thnh phn khc, do vy cc thnh phn c th

c thay th d dng.

- Nh cung cp mun ng dng c th chy m khng cn mi

thnh phn phi hot ng cng lc.

- M hnh nghip v ng dng cho php mt thnh phn c thgi thng tin ti thnh phn khc v tip tc x l khng cn nhn

phn hi ngay lp tc.

1.4. Kin trc JMS API

- JMS provider: l H thng truyn Thng ip ci t cc giao

din JMS v cung cp cc tnh nng kimsotv quntr.

- JMS clients: l cc chng trnh hoc cc thnh phn tora v

xlcc Thng ip.


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- Cc Thng ip (messages): l cc i tng mang thng tin

trao i gia cc JMS clients.

- Cc i tng c qun tr (administered objects) c cu

hnh t ban u. l cc i tng JMS c to bi qun tr H

thng cho clients s dng. C 2 loi i tng c qun tr l ch

(destinations) v connection factories.

- Native clients: khng s dng JMS API v c chnh sa

tng thch vi JMS

Minh ha: Kin trc JMS

Minh ha 2.1 m t cch m cc b phn tng tc. Cc cng c qun

tr cho php bn kt ni (bind) vi cc ch (destinations) v connection

factories bn trong khng gian tn JNDI (Java Naming and DirectoryInterface) API. Mt JMS client c th tra cu (lookup) cc i tng

qun l trong khng gian tn ri sau thit lp kt ni logic ti cc i

tng ny thng qua JMS provider.


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1.5. M hnh Thng ip

1.5.1. M hnh Thng ip Point-to-Point

Cc ng dng point-to-point xy dng quanh khi nim hng i,ngi gi, v ngi nhn. Tng Thng ip c nh a ch ti 1 hng

i c th v cc khch nhn (receiving clients) ly cc Thng ip t

hng i c to ra gi cc Thng ip ca ring n. Cc hng i s

gi mi Thng ip c gi ti chng ti khi no cc Thng ip c

x l hoc qu hn.

Minh ha 2.2 truyn Thng ip point-to-point

- Mi Thng ip ch c mt ngi nhn.

- Ngi gi v ngi nhn Thng ip khng ph thuc thi

im. Ngi nhn c th ly Thng ip d n c hot ng khi

Thng ip c gi hay khng.

- Ngi nhn xc nhn (ackowledges) x l thnh cng Thng

ip.


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o S dng PTP truyn Thng ip khi mi Thng ip bn gi i

phi c x l thnh cng bi ngi nhn.

M hnh Thng ip publish/subscribe

y, cc clients nh a ch cc Thng ip ti mt topic. H thng

quan tm ti vic phn pht cc Thng ip n t rt nhiu publishers

v subscribers ca mt topic. Cc topics duy tr cc Thng ip ch ti

khi Thng ip ti c vi subscribers.

Truyn Thng ip pub/ sub c nhng c im sau:

- Tng Thng ip c th c nhiu bn nhn.

- Publisher v subscribers c ph thuc vo thi im (timing

dependency). Subscribers ch c th x l cc Thng ip sau khi n

ng k vi topic v subscribers phi tip tc hot ng khi ang x l

Thng ip.

Minh ha: m hnh pub/sub


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M hnh ci t JMS API

Cc thnh phn c bn ca mt ng dng JMS bo gm:

Cc i tng c qun tr: connection factories v cc

ch(destinations)

- Sessions (Cc phin)

- Message producers (gi Thng ip)

- Message consumers(nhn Thng ip)

- Messages (cc Thng ip)

Minh ha: Cc thnh phn trong 1 ng dng JMS


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1.5.2. Administered objects

C 2 b phn ca mt ng dng JMS l cc ch v connection

factories phi lun c duy tr kim sot. Vic qun l nhng i tng

ny thc v nhng tc v qun tr khc nhau thay i t ngi provider

ny ti provider khc.

JMS clients truy cp vo nhng i tng ny thng qua giao din.

Connection factories

- Mt connection factory l mt i tng c client s dng

to mt kt ni ti provider. Mt connectionfactory ng gi mt tp

cc tham s cu hnh kt ni c nh ngha bi tn qun tr. Mi

connection factory l mt th hin ca giao din

QueueConnectionFactory hoc TopicConnectionFactory.

- Bt u ca 1 ng dng JMS client, bn thng tin hnh tm

kim connection factory.

Destination

- Mt ch l mt i tng c client s dng nh ni n ca

Thng ip n to ra v ngun ca cc Thng ip n x l. Vi m

hnh PTP, cc ch c gi l cc hng i cn trong m hnh

pub/sub, cc ch c gi l topics.

- Mt ng dng JMS c th s dng nhiu queues v topics.

V d sau: Cc dng code sau biu din vic tra cu topic c to ra

t trc l MyTopic v gn n cho mt i tng Topic.


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Topic myTopic = (Topic) ctx.lookup("MyTopic");

Dng code sau tra cu mt hng i c tn MyQueue v gn cho i

tng Queue.

Queue myQueue = (Queue) ctx.lookup("MyQueue");

1.5.3. Connection

Mt i tng connection ng gi trong n mt kt ni o ti mt

JMS provider. Mt kt ni c th m t mt socket TCP/IP c m

gia client v mt provider. Bn s dng session to ra mt hocnhiu sessions.

Connections c 2 dng, ci t giao din QueueConnection hoc

TopicConnection. V d khi bn c QueueConnectionFactory hoc

TopicConnectionFactory, bn c th dng n to kt ni:

QueueConnection queueConnection =

queueConnectionFactory.createQueueConnection();

TopicConnection topicConnection =

topicConnectionFactory.createTopicConnection();

Khi ng dng hon thnh, bn cn ng kt ni bn va to.

Khng ng kt ni th s gy lng ph ti nguyn. ng kt ni cng

ng sessions ca n v nhng bn gi v nhn Thng ip trong

sessions

queueConnection.close();

topicConnection.close();


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Trc khi ng dng c th x l Thng ip, bn phi gi phng thc

start.

Nu bn mun tm ngng phn pht Thng ip m khng cn

ng kt ni bn c th gi phng thcstop.

1.5.4. Session

Mt session l mt bi cnh (context) n lung gi v nhn cc

Thng ip. Bn s dng session to: ngi gi Thng ip, ngi

nhn Thng ip, v Thng ip.

Session ging nh connection c 2 dng, ci t giao din

QueueSession hoc TopicSession .

V d: nu bn to ra 1 i tng TopicConnection, hy dng n

to ra TopicSession:

TopicSession topicSession =

topicConnection.createTopicSession(false,

Session.AUTO_ACKNOWLEDGE);

Tng t, bn dng mt QueueConnection to QueueSession

QueueSession queueSession = queueConnection.createQueueSession(true, 0);

1.5.5. Topic Publisher

Mt bn pht Thng ip (message producer) l mt i tng c tora bi session v c dng gi cc Thng ip ti ch. Dng PTP ca

mt bn gi Thng ip ci t giao din QueueSender. Dng pub/sub ci

t giao din TopicPublisher.


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V d: S dng QueueSession to mt bn gi cho hng i

myQueue, v dng TopicSession to ra publisher cho topic myTopic:

QueueSender queueSender = queueSession.createSender(myQueue);

TopicPublisher topicPublisher =

topicSession.createPublisher(myTopic);

Sau khi to ra bn pht Thng ip, bn c th dng n gi cc

Thng ip. Vi QueueSender, dng phng thcsend:

queueSender.send(message);

Vi TopicPublisher, bn dng phng thcpublish:

topicPublisher.publish(message);

1.5.6. Topic Consumer

Mt bn x l thng tin (message consumer) l mt i tng c to

ra bi mt session v c s dng nhn cc Thng ip c gi ti

ch. Mt bn x l Thng ip cho php mt client JMS ng k ch m

n quan tm vi mt JMS provider. JMS provider qun l vic phn phi

Thng ip t ch ti mt bn x l ca ch .

V d:

QueueReceiver queueReceiver =

queueSession.createReceiver(myQueue);

TopicSubscriber topicSubscriber =

topicSession.createSubscriber(myTopic);

Bn x l Thng ip dng PTP ci t giao din QueueReceiver. Dngpub/sub ci t giao din TopicSubscriber.


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Vi c QueueReceiver v TopicSubscriber bn c th dng phng

thc receiver nhn Thng ip mt cch ng b. Bn c th dng

phng thc ny bt c khi no sau khi gi phng thcstart.

queueConnection.start();

Message m = queueReceiver.receive();

topicConnection.start();

Message m = topicSubscriber.receive(1000); //time out after a

second

1.5.7. Messages

Cc Thng ip gm 3 phn

- Tiu

- Thuc tnh (ty chn)

- Thn (ty chn)

a. Tiu


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Minh ha: cch thc ci t cc thnh phn tiu


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b. Ni dung Thng ip

V d to ra Thng ip v giTextMessage ti mt hng i,

bn c th dng:

TextMessage message =

queueSession.createTextMessage();

message.setText(msg_text); // msg_text is a StringqueueSender.send(message);

bn nhn Thng ip s c kiuMessagev phi c p thnh

kiu chnh xc ca n.

Message m = queueReceiver.receive();

if (m instanceof TextMessage) {

TextMessage message = (TextMessage) m;

System.out.println("Reading message: " +

message.getText());

} else {

// Handle error

}


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2. S thit k cc lp

2.1. S thit k lp Entity

Mi lp thc th tng ng vi mi bng trong c s d liu, thc

hin cc truy vn d liu trn cc bng tng ng

2.2. S thit k lp da trn mu thit k FacadeCc lp ny ng vai tr l gi cc lp entity thc hin truy vn c

s d liu phc v cho cc chc nng ca ngi dng v admin


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2.3. S thit k lp Session

Cc lp ny ng gi cc chc nng ca Admin v User, chng c

gi khi ngi s dng thc hin mt chc nng no


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2.4. S thit k lp System

ng dng EJB bao gm hai ng dng client l

BKShareAdmiinControlPanel (cho Admin) v BKShareUserConsole

( cho User).


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VII. Thit k C s D liu

1. M hnh ha trc quan C s D liu

2. Thit k chi tit C s D liu

2.1. Bng D liu Admin


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TT Tn Kiu D liu M t

1. AdminID Int(11) ID ca admin (kha chnh)

2. AdminName varchar(45) Tn ng nhp ca Amin

3. AdminPassword varchar(45) Mt khu ng nhp ca Admin

2.2. Bng d liu Account

STT Tn Kiu D liu M t


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1.

AccountID Int(11) ID ca Ngi s dng (khachnh)

2

.

UserName varchar(45) Tn ng nhp ca Ngi s dng

3.

Password varchar(45) Mt khu ng nhp ca ngi sdng

4.

NumDocShare Int(10) S lng Ti liu m ngi sdng chia s

5.

NumDocDown Int(10) S lng Ti liu m ngi sdng Download

6.

IsBanned TINYINT(1) Kim tra xem ngi s dng bxa cha

2.3. Bng d liu Category


1.

CategoryID Int(11) ID ca Danh mc (kha chnh)


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2.

CategoryName varchar(45) Tn Danh mc

3.

NumOfDoc Int(10) S lng Ti liu trong Danh mc

2.4. Bng d liu Document


1.

DocumentID Int(11) ID ca Ti liu (kha chnh)

2.

DocName varchar(225) Tn Ti liu


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3.

DocType Varchar (45) nh dng ca Ti liu (pdf, doc)

4.

DocSize Double Kch thc Ti liu

5.

SharerID Int(11) M chia s

6.

CategoryID Int(11) Danh mc cha Ti liu

7.

Location Varchar(500) V tr Share ca Ti liu

8

.

DownloadRate Int(10) S lt Download Ti liu

9.

DocDescription Text M t ca Ti liu

10

.

IsBad Tinyint(1) Xem cht lng Ti liu (ti haykhng)

2.5. Bng d liu Download


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1.1. Yu cu chung

- Giao din y cc thnh phn, ph hp, thn thin.

- Hn ch cc thao tc sai ca ngi s dng

- Chc nng nhp liu yu cu thao tc t, thun tin.

1.2. Kim tra cc thnh phn giao din

Cc thnh phn chnh giao din ngi dng bao gm:

- H thng Menu chnh

- Thanh cng c chnh

- Cc giao din lm vic: Giao din Qun tr, giao din Qun l,

Giao din tm kim, Giao din tra cu

- Logo/hnh n

- Thanh trng thi


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STT TestCase Kt qu mongmun

Kt qu thc t Kt lun

1.

B cc, tng mu ng chun, hp l B cc cn i,mu sc thch hp,ng vi chunTng tc ngimy.

t

2.

Kh nng thay i tngmu

C Khng Thiu


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3.

y cc thnh phngiao din lit k trn

C C t

4.

Thit lp thanh cng c Thun tin chongi s dng,m bo thao tcnhanh v chnh xc

Thun tin chongi s dng,m bo thao tcnhanh v chnhxc

t

5.

B cc cn i C C t

6.

Font ch thng nht C C t

7.

Mu ch d c, khnggy la mt, nhc mt

C C t

1.3. Kim tra giao din lm vic

Cc giao din lm vic gm:

- Giao din Admin:

o Qun l cp nht d liu upload, download

o Qun l cp nht thnh vin H thng

o Qun l nht k s dng

o Qun l sao lu, phc hi CSDL

o ng nhp

- Giao din Client

o ng nhp


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o Chia s d liu

o Tm kim d liu

- Giao din khc

o Ca s hng dn s dng

o Tr gip

Kt qu mong i Kt qu thc t Kt lun

y cc giao din lm vic Yes Thnh cng

t tn ca s, b tr cc phn t trn giaodin hp l

Yes Thnh cng

Phi mu, chn font cho cc nhn, li chthch sng sa

Yes Thnh cng

Biu tng ca s lm vic v mt s ntlnh trn ca s ph hp

Yes Thnh cng

t phm Tab cho cc hp nhp d liu vnt lnh ng Logic

Yes Thnh cng

Hin th kch thc v v tr ca s nhp dliu trn mn hnh thch hp

Yes Thnh cng

Giao din ng nhp hp l Yes Thnh cng

2. Kim th chc nng

2.1. Phn Front-end

2.1.1. Qun l thnh vin

2.1.1.1. ng k


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STT Test Case D liu Test Kt qumong i

Kt quthc t

Ktlun

1.

Ngi dngnhp ngthng tin voForm ng k

Username: shmily

Password: 31415926

Retype Password:31415926

HT thng bovic ng k thnh cng(hoc yu cucheck mail kch hot)

H thngthng boregistered

Thnhcng

2.

Ngi dng

trng username

Username: trng HT hin th

thng bo yucu ngidng nhp vousername

H thng

thng boinvalid

Thng

bo lichac th

3.

Ngi dngnhp vousername tn ti

Username: thuanmap

//username ny tn ti

HT hin ththng bo yucu ngidng nhpusername

khc

Thng boinvalid

Thngbo licharrng.

4.

Ngi dngnhp k tc bit password

Username: thuanmap

Pass: *#00#

HT hin ththng bo yucu ngidng nhpng nhdng capassword

Thng boinvalid

Thngbo lichac th.

5.

Ngi dngnhp ngnh dngcapassword,song

Username: thuanmap

Pass: 123a

HT hin ththng bo yucu ngidng nhpng nhdng ca

Thng boinvalid

Thngbo lichac th.


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password thn 6 k t

password, sk t t nhtphi l 6 k t

2.1.1.2. ng nhp


Kt quthc t

Ktlun

1.

Kch pchut vo

biu tngca Phnmm trn mnhnh

Giao dinng nhp

vo H thng yu cungi dngnhp tn vmt khung nhp

ng vimong i

Thnhcng

2.

Ngi dngng nhpvo HT ngqui cch(username vpassword hpl), ri nhpchut vo

Username: shmily

Password: 31415926

Ngi dnglogin cvo HT

ng nhpthnh cng

Thnhcng


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button Login

3.

Ngi dngch nhpusername,

khng nhppassword rinhp chutvo nt Login

Username: thuanmap

Password:

HT hin ththng bo li,yu cu ngi

dng nhppassword

Thng boinvalid

Thnhcng

4.

Ngi dngkhng nhpusername, chnhp

password, rinhp chutvo Login

Username:

Password: 31415926

HT hin ththng bo li,yu cu ngidng nhp

username

Thng boinvalid

Thnhcng

5.

Ngi dngkhng nhpusername vpassword, rinhp chutvo Login

HT hin ththng bo li,yu cu ngidng nhpusername vpassword

Thng boinvalid

Thnhcng

6.

Ngi dngc nhp saiusernamehocpassword, rinhp chutvo Login

Username: shmilyH

Password: 314159265

HT hin ththng bo liSai usernamehocpassword, ngh ngidng nhp li

Thng boinvalid

Thnhcng

7.

Ngi dngng nhpvo HT ngqui cch(username vpassword hp

Username: shmily

Password: 31415926

Ngi dnglogin cvo HT

ng mongi

Thnhcng


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phi mn hnh thot

munthot/savekhng

1

4.

Khi H thng

hin th hpthoi xem cmunthot/savekhng

Thot/save

thnh cng

ng nh

mong i

Thnh

cng

2.1.2. Qun l d liu

2.1.2.1. Chia s d liu

2.1.2.2. Download d liu (ch dng mc Kch bn kimth)


Kt quthc t

Ktlun


STT Test Case D liu Test Kt qu mongi

Kt quthc t

Ktlun

1.

Ngi sdng chn

File/Folder chia s

Client t nglu 1 bn sao

ca file cnchia s v githng ipcha thng tinca file vServer.

Ch githng ip

ln Server,khng lu libn sao

Thtbi

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1.

Ngi sdngDownload dliu hp l

HT thng boDownloadthnh cng

2.

Ngi sdngDownload dliu, nhngng dnkhng tn ti

HT a rathng bong dnkhng tn ti

3.

Ngi sdng s dng

chc nng tmkim

Search: Lp trnhnhng

HT hin th ktqu tm kim

HT hin thkt qu tm

kim

Thnhcng

2.2. Phn back-end

2.2.1. Qun l thng tin thnh vin


Kt quthc t

Ktlun

1.

Admin xaTT thnh vin

HT hin ththng boBn c chcchn munxa?

HT hin ththng boBn c chcchn munxa?

Thnhcng

2.

Admin khngvit g rinhp vo mcthm TTthnh vin

HT hin ththng bo yucu Adminnhp y

Thng boInvalid!

Thnhcng

3.

Admin thmthnh vin tn ti

Username: shmily

Password: 31415926

HT hin ththng bokhng ththm thnh

Thng boInvalid!

Thnhcng


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vin

2.2.2. Qun l danh sch File chia s


Kt quthc t

Ktlun

1

.

Admin xa

TT File chias

HT hin th

thng boBn c chcmun xa?

Chc nng

ny b m i

Tht

bi

2.

Admin khngnhp g rinhp vo mcThm TT Filechia s

HT hin ththng bo yucu Adminnhp y

Chc nng bm i

Thtbi

3. Yu cu phi chc nng

Yu cu chung

- Chy n nh, khng xy ra treo

- Kim tra v cnh bo d liu nhp sai

- C tr gip ngay trn Phn mm

STT Test Case D liu Test Kt qu Kt qu Kt


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mong i thc t lun

1.

Admin angsa TT thnhvin th kt

ni b ngt,sau kt niphc hi

Vic Adminsa TT thnhvin khng

nh hng gn vic HT cngt haykhng, Clientkhng nhnthy s thayi ny

Kt nikhng nnh, nu kt

ni b ngt,li phi ngnhp li tu

Thtbi

2

.

Admin ang

lu thay iTT thnh vinth kt ni bngt

Khi kt ni

phc hi, viclu c tiptc

Kt ni

khng nnh, nu ktni b ngt,li phi ngnhp li tu

Tht

bi

3.

Admin angtin hnh saTT File chias th kt nib ngt

Client khngnhn thy sthay i ny(do File thayi cha cSave)

Kt nikhng nnh, nu ktni b ngt,li phi ngnhp li tu

Thtbi

IX. Kt lun v Hng pht trin

1. Nhn xt

H thng chia s ti liu hc tp phn tn ca nhm hon thnh

c mt s chc nng c bn: ng k thnh vin, kim tra tnh hp l ca

vic ng nhp, ng k chia s File vi Server


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Tuy nhin, nhm cng cha hon thin c ht cc chc nng. Chc

nng Download vn ang gp trc trc. Tt nhin, nhm s hon thin trong

thi gian sm nht.

Vic bt s kin vi Enter cho vic ng k hay ng nhp cng cha

thnh cng. Hay vic cha x l c vi tnh hung khi kt ni b ngt

lm gim hiu nng ca H thng.

Vi vic thit k cc trng hp kim th song song vi qu trnh xy

dng H thng. Mc d nh hnh c cc li, hay cc tht bi c th

xy ra. Song, do thi gian c hn, nhm vn cha th sa c cc li, hay

ti u c cc chc nng.

Tt nhin mt vn cn phi bn ti, l H thng mi nhn dng

c nh dng ca File (pdf, doc hay ppt), nhng li cha c c ch kim

sot c cc File . H thng cha c c ch bo v trc cc File c

ni dung xu, hay cha cc thng tin khng lnh mnh.

2. Hng pht trin

- Cho php ngi s dng chia s mi loi File, ch khng ring g ti

liu hc tp.

- Tm c c ch gip H thng t bo v trc cc File c ni dung

xu, khng lnh mnh.

- Xy dng H thng theo kiu Peer-to-Peer

3. ng gp ca tng thnh vin vo Bi tp ln


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Nhm em thng hp nhm lm chung.

- Code: c nhm cng lm, trong H code chnh

- Lm prototype: Tuyn, H

- Phn tch yu cu: c nhm

- Biu hot ng, usecase, biu giao tip: Thun, Hin, H

- Qun l bo co: Thun

- Lm video: Tuyn


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TI LIU THAM KHO

- Slide bi ging Pht trin Phn mm Phn tn V Th Hng Giang.

- Pht trin H thng hng i tng vi UML 2.0 v C++ - Nguyn Vn

Ba

- Slide bi ging m bo cht lng Phn mm Thc Bnh Cng

- Tng tc Ngi my Lng Mnh B

- Phn Help ca NetBean 6.9.1

- Hng dn dng Glassfish

- MacGraw Hill - JavaServer Faces 2.0_ The Complete Reference_ Feb 2010

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