Offline PDF-udgave - Objektorienteret programmering i Java

javabog.dk − Webprogrammering med Java Server Pages − Forord
Indholdsfortegnelse
10 Arkitekturer i webprogrammering
10.8.1 Jakarta Struts....................................................................................................................................................111
10.8.2 JSF − Java Server Faces...................................................................................................................................111
10.9 Mere læsning..............................................................................................................................................................111
11 XML, indholdssyndikering og webtjenester............................................................................................................................113
11.1 Introduktion til XML..................................................................................................................................................113
11.1.1 XML−formatet.................................................................................................................................................114
11.1.2 DOM − Dokumentets objektmodel..................................................................................................................114
11.1.3 XPath − stier i XML−dokumenter....................................................................................................................115
11.1.4 Transformering af XML−data (XSL)...............................................................................................................116
11.1.5 XML−behandling (SAX og DOM)..................................................................................................................116
11.1.6 Dokumenttypedefinitionen...............................................................................................................................116
11.2 XML−behandling i Java.............................................................................................................................................117
11.2.1 Brug af DOM og XPath....................................................................................................................................117
11.2.2 Nem generering af XML fra Java−objekter.....................................................................................................118
11.3 Syndikering (nyhedsfødning).....................................................................................................................................118
11.3.1 Nyhedskildernes format....................................................................................................................................119
11.3.2 Fremvisning med RSS−taglib...........................................................................................................................120
11.3.3 Fremvisning med Java......................................................................................................................................121
11.3.4 Syndikering med JSTL.....................................................................................................................................123
11.3.5 Mere information og nyhedskilder på nettet....................................................................................................124
11.4 Principper i metodekald over netværk........................................................................................................................125
11.4.1 Systemer til metodekald over netværk.............................................................................................................125
11.5 Webtjenester...............................................................................................................................................................125
11.5.1 SOAP − kommunikation med webtjenesten.....................................................................................................126
11.5.2 WSDL − beskrivelsen af webtjenesten.............................................................................................................126
11.5.3 UDDI − offentlige lister over webtjenester......................................................................................................126
11.5.4 Bruge Googles webtjenester til søgninger........................................................................................................126
11.5.5 Genere Java−API fra webtjeneste (WSDL).....................................................................................................127
11.5.6 Generere webtjeneste (WSDL) fra Java−klasse...............................................................................................127
11.5.7 Avanceret: Strukturen i WSDL− og SOAP−filer.............................................................................................128
11.5.8 Yderligere læsning............................................................................................................................................128
11.6 Test dig selv................................................................................................................................................................128
11.7 Resumé.......................................................................................................................................................................128
12 Enterprise JavaBeans................................................................................................................................................................129
12.1 J2EE−platformen........................................................................................................................................................129
12.2 EJB−bønner................................................................................................................................................................129
12.2.1 Kildeteksten i en bønne....................................................................................................................................129
12.2.2 Eksempel: Veksler............................................................................................................................................129
12.2.3 EJB−Containerens information om Veksler.....................................................................................................129
12.3 Bruge en EJB−bønne..................................................................................................................................................129
12.3.1 JNDI (Java Naming and Directory Interface)..................................................................................................129
12.3.2 Brug af Veksler−bønnen fra en klient..............................................................................................................129
12.3.3 Brug af Veksler fra en webapplikation.............................................................................................................129
12.3.4 Avanceret: Lokale interfaces............................................................................................................................129
12.4 Typer af EJB−bønner..................................................................................................................................................130
12.4.1 Sessionsbønner.................................................................................................................................................130
12.4.2 Entitetsbønner...................................................................................................................................................130
12.4.3 Meddelelses−drevne bønner.............................................................................................................................130
12.4.4 Tilstandsfuld sessionsbønne: Brugeradgang....................................................................................................130
12.4.5 Guide til sessionsbønner i Oracle JDeveloper..................................................................................................130
12.5 Entitetsbønner............................................................................................................................................................130
12.5.1 Eksempel på en entitetsbønne..........................................................................................................................130
12.5.2 Fremfindingsmetoder.......................................................................................................................................130
12.5.3 Idriftsætte bønnen.............................................................................................................................................130
12.5.4 Bruge bønnen....................................................................................................................................................130
12.5.5 Fremfindingsmetoder og EJB Query language................................................................................................131
12.5.6 EJB 2.0 og EJB Query language (EJBQL).......................................................................................................131
12.5.7 Opgaver............................................................................................................................................................131
12.5.8 Entitetsbønne med CMP fra tabel i JDeveloper...............................................................................................131
12.5.9 Øvelse i EJBQL................................................................................................................................................131
12.6 Transaktioner..............................................................................................................................................................131
12.6.1 Transaktioner i JDBC (resumé)........................................................................................................................131
12.6.2 Transaktioner i en EJB−container....................................................................................................................131
12.6.3 Deklarativ transaktionsstyring af metodekald..................................................................................................131
12.7 Test dig selv................................................................................................................................................................131
12.8 Resumé.......................................................................................................................................................................131
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