JaVa
   

J–K

J2EE (Java 2.0 Platform Enterprise version) class loading in J2EE, 585 design issues, 675 distributed architecture, 676 general principles, 676 helper classes, 679 JDBC, 677 maintainability, 675 MVC pattern, 679 OO design principles, 678 performance, 675, 678 portability, 677 productivity, 676 scalability. 678 simplicity 675 SLSB (stateless session beans), 678 determining version specification, 44 EJB concerns, 21, 676 project guidelines, 679 testing projects, 679 J2EE Connector Architecture Resource Adapters see JCA Resource Adapters. J2EE Reference Implementation server choosing app server, 47 JAAS (Java Authentication and Authorization API), 237 web sites, 237 Jakarta TagLibs, 535 Jakarta Velocity see Velocity JAR files EJB JAR files, 584 packaging sample apps, 592 Java 1.3 extension mechanism class loading in J2EE, 588 Servlet 2.3 specification, 589 Java 1.4 assertion mechanism web site, 108 Java Authentication and Authorization API see JAAS. Java coding conventions see coding standards. Java language binding, XSLT, 700 Java logging APIs, 162-65 Java Pet Store integrating web app into overall architecture, 466 Java reflection API see reflection. Java Transaction Service see JTS. Java web development, 443 history of web development, 443 JSP pages, 444 Physical Resource Mapping Strategy, 444 servlets, 443 using JSP with servlets, 446 Front Controller pattern, 447 Java.beans.beancontext package infrastructure, support packages for, 402 java.lo package Externalizable interface, 661 Serializable interface, 653 java.lang package Class class, 585, 642 ClassLoader class, 586 Runnable interface, 620 java.lang.reflect package Method class, 642 java.rmi package Remote interface, 653 RemoteException class, 30, 387, 653 Java.sql package CallableStatement interface, 347 Connection interface 340 Date class, 359 PreparedStatement interface, 323 SQLException class, 320, 327 SQLWarning class, 323 Statement interface, 323 Timestamp class, 359 Java.text package NumberFormat class, 540, 694 SimpleDateFormat class, 539, 694 Java.util package Date class, 659 HashMap class, 651 HashTable class, 646 Thread class, 590 JavaBean properties exposing using controller objects, 482 writing effective tests, 86 JavaBeans adapter beans, 526 bean manipulation, 397 limitations, core JavaBeans API, 397 converting to XML, 241 data binding in MVC frameworks, 493 flexibility, 138 infrastructure framework using, 397 BeanWrapper example, 399 BeanWrapper interface, methods, 398 com.interface21.beans package, 398 PropertyEditorSupport/~ Manager, implementing/registering property editors, 400 model objects, 525 OO design principles, 138 summarized, 174 using JavaBeans in JSP pages, 531 Javadoc documentation, 159 test cases, 90 Javax.jdo package PersistenceCapable interface, 317 PersistenceManager interface, 317 PersistenceManagerFactory interface, 317 Query interface, 318 Javax.jms package MessageListener interface, 230, 415 Javax.servlet package ServletContext interface, 698 Javax.servlet.http package HttpServlet class, 668 HttpServletRequest interface, 493 HttpServletResponse interface, 668 HttpSession interface, 488 web caching using HTTP, 668 Javax.sql package DataSource interface, 87, 340, 597 javax.xml.transform package Source interface, 698 Templates interface, 697 Transformer class, 697 TransformerFactory class, 697 JAXB (Java Architecture for XML Binding), 244 JBoss deployment descriptors deploying sample app, 605 JBoss server choosing app server, 47, 53 deploying sample app, 601, 607 creating connection pools, 602 creating JMS destinations, 603 JBoss deployment descriptors, 605 viewing configuration, 604 directory structure, 601 conf sub-directory, 601 deploy sub-directory, 601 lib sub-directory, 601 log sub-directory, 601 integrating JProbe with app server, 625 sample app and, 199 service definition files, 601 JCA Resource Adapters EAR deployment, 584 JDBC (Java DataBase Connectivity) compared to SQLJ, 313 data access technologies, 26 description, 312 exception handling, 320 appException class, 321 problems with, 327 SQLException class, 320, 322, 327 SQLWarming class, 323 J2EE design, 677 managing persistence using JDBC, 313 PreparedStatement interface, 323 problems with API, 325 rules for using, 313 sample app data access, 319 calling stored procedures using JDBC, 357 implementing queries using JDBC, 355 implementing updates using JDBC, 356 SQL-based database access, 312, 677 Statement interface, 323 JDBC abstraction framework, 324 aims and objectives, 326 AvailabilityQuery class, 326 com.interface21.dao package, 329 com.interface21.jdbc.core package, 329, 333 DataSourceUtils class, 336 JdbcTemplate class, 334, 336, 340 PreparedStatementCreator interface, 335 PreparedStatementCreatorFactory class, 335 ResultReader interface, 336 RowCallbackHandler interface, 335 RowCountCallbackHandler class, 336 SQLExceptionTranslater interface, 336 com.interface21.jdbc.object package, 333, 342 calling stored procedures, 350 ManualExtractionSqlQuery class, 345 performing queries, 348 performing updates, 350 RdbmsOperation class, 343 SqlFunction class, 346 SqlOperation class, 344 SqlQuery class, 344 SqlUpdate class, 347 StoredProcedure class, 347 DAO (Data Access Object) pattern, 328 exception handling, 327, 334 DataAccessException class, 328 JDBC specific exceptions, 329, 331 inversion of control, 334 reasons for using, 325 reflection and, 346 sample app, 324 Strategy design pattern, 334 JDBC helper classes testing, 99 JDBC RowSets disconnected data access, 267 JDBC specific exceptions converting JDBC exceptions to generic exceptions, 331 OracleSQLExceptionTranslater class, 332 SQLStateSQLExceptionTranslater class, 332 JDBC abstraction framework, 329 JdbcTemplate class, 334 DataSource interface and, 340 getDataSource() method, 337 getlgnoreWarnings() method, 337 implementing, 336 performing queries, 341 performing updates, 341 query() method, 337, 338 setExceptionTranslater() method, 337 setlgnoreWarnings() method, 337 throwExceptionOnWarningIfNotlgnoringWarnings() method, 338 UML class diagram, 334 update() method, 339, 341 using, 340 JDO (Java Data Objects) byte code enhancer, 317 caching for performance, 246, 317 compared to com.interface21.jdbc.object package, 342 compared to entity beans, 317 data access technologies, 25 description, 317 entity beans, 308 JDOQL query language, 318 O/R mapping technologies, 315, 317 persistence manager, 317 Query interface, 318 references to web sites, 319 TopLink and, 316 JDOQL query language, 318 filters, 318 queries, 318 Query interface, 318 Jetty HTML generation library, 562 JMeter see Apache JMeter. JMS (Java Message Service) accessing EJBs using, 425 custom bean definition, 427 DataUpdateJmsListener class, 427 JmsTemplate class, 426 publish() method, pub/sub messaging, 426 subscrbeToTopicNonDurable() method, 427 PubSubMessageCreator inner interface, 426 alternatives, 234 asynchronous calling, 227-35 JTS compared, 229 messaging, 227-35 performance, 233 propagating data updates, 435 sample app, 234 JMS destinations, creating deploying apps, 597 deploying sample app, 603 JMX MBeans, 603 JMX MBeans creating connection pools, 602 creating JMS destinations, 603 JBoss service definition files, 602 installing service definition files, 604 singletons, 222 JNDI (Java Naming and Directory Interface), 141 JProbe profiler, 625 integrating JProbe with app server, 625 configuring settings, 626 filters, 626 using JProbe with sample app, 627, 644, 651 JProbe Suite profiling, 625 writing effective tests, 86 JSP fragments, 538 JSP Front strategy compared to Servlet Front strategy, 454 Front Controller pattern, 454 JSP Model 1 architecture see Physical Resource Mapping Strategy. JSP Model 2 architecture see Front Controller pattern. JSP pages alternatives to JSP, 544 compared to template languages, 544 compared to WebMacro, 545 compared to XSLT, 551 custom tags, 446, 532 advantages, 532 disadvantages, 532 data access, 276 data binding, 446 <jsp:setProperty> element, 446 problems with, 446 future prospects, 538 guidelines for using in views, 536 Jakarta TagLibs, 535 Java web development, 444 limitations, 445 Physical Resource Mapping Strategy, 444 problems with, 444 protecting interface code, 131 unit tests, 101 using as templates, 544 using JavaBeans in JSP pages, 531 using JSP with servlets, 446 Front Controller pattern, 447 using XSLT instead of JSP pages, 553 JSP Standard Tag Library see JSTL. JSP tag libraries, Struts, 459 Bean tag library, 460 HTML tag library, 460 Logic tag library, 460 nested properties, 460 Template tag library, 460 JSP views, 526 advantages, 526 content page inclusion, 575 custom tags, 533 view helpers, 533 disadvantages, 526 example of bad design, 527 future prospects, 538 guidelines for using, 536 implementing, 688 InternalResourceView class, 691 <jsp:setProperty> element, 528 <jsp:useBean> element, 531 performance, 664 references to web sites, 527 sample app, 538 JSTL, 541 template page inclusion, 576 <jsp:forward> element avoiding using, 537 <jsp:getProperty> element, 540 <jsp:setProperty> element JSP data binding, 446 JSP views, 528 <jsp:useBean> element, 541 class attribute, 531 id attribute, 531 JSP views, 531 scope attribute, 531 type attribute, 531 JSTL (JSP Standard Tag Library), 533 <c:forEach> element, 542 <c:if> element, 543 <c:out> element, 542 configuring JSTL, 688 description, 533 Expression Language, 533 syntax, 542 <fmt:formatDate> element, 542 <fmt:formatNumber> element, 543 importance of, 534 sample app view, 541 SQL tag library, 534 using XSLT with JSP custom tags, 554 <x:forEach> element, 554 <x:out> element, 554 XML tag library, 554 JTA (Java Transaction API) using EJBs, 23 JTS (Java Transaction Service) JMS compared, 229 JUnit framework, 79-85 inheritance, 87 test case, 102 testing business objects implemented without EJB, 92 web site, 79 writing effective tests, 86 JUnltEE testing tool web site, 97 JVM collocating components in JVM, 663 profiling options, 624
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