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What's Coming in Java EE 8

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David Delabassee talks about the new features coming up in the new Java EE 8 specification.

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What's Coming in Java EE 8

  1. 1. PT.JUG  -­‐  Lisbon  June  2015     David  Delabassee  -­‐  @delabassee   Oracle   Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.     What's  Coming  in  Java  EE  8 1
  2. 2. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Agenda How  did  we  get  here?   What  do  we  want  to  do?   How  can  you  get  involved? 1 2 3 Preview  of  Java  EE  8
  3. 3. Safe  Harbor  Statement The  following  is  intended  to  outline  our  general  product  direction.  It  is  intended  for   information  purposes  only,  and  may  not  be  incorporated  into  any  contract.  It  is  not  a   commitment  to  deliver  any  material,  code,  or  functionality,  and  should  not  be  relied  upon   in  making  purchasing  decisions.  The  development,  release,  and  timing  of  any  features  or   functionality  described  for  Oracle’s  products  remains  at  the  sole  discretion  of  Oracle. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.  
  4. 4. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  7 ENTERPRISE EDITION ‣ Batch ‣ Concurrency ‣ Simplified JMS ‣ More annotated POJOs ‣ Less boilerplate code ‣ Cohesive integrated platform DEVELOPER PRODUCTIVITY ‣ WebSockets ‣ JSON ‣ Servlet 3.1 NIO ‣ REST MEETING 
 ENTERPRISE DEMANDS Java EE 7
  5. 5. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Industry  Trends  We're  Seeing Cloud Mobile HTTP/2 SECURITY Reactive  Programming User  Experience
  6. 6. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Feedback  from  the  Community • Many  sources     – Users  lists  of  java.net  projects   – JIRAs   – JavaOne  Java  EE  BOF  and  Java  EE  EG  meeting   – Outreach  by  evangelists   • Consolidated  into  Community  Survey   – 47  questions   – 15.000  answers 6
  7. 7. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Community-­‐Prioritized  Features 7 http://glassfish.org/survey
  8. 8. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.                                  You  asked  for  it,  you  got  it! 8 Java  EE  8 Driven  by  Community  Feedback
  9. 9. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  8  Themes • HTML5  /  Web  Tier  Enhancements   • Ease  of  Development   • Infrastructure  for  running  in  the  Cloud 9
  10. 10. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  8  Themes • HTML5  /  Web  Tier  Enhancements   • Ease  of  Development   • Infrastructure  for  running  in  the  Cloud 10
  11. 11. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   HTML5  Support  /  Web  Tier  Enhancements • JSON  Binding   • JSON  Processing  enhancements   • Server-­‐sent  Events   • Action-­‐based  MVC   • HTTP/2  support 11
  12. 12. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐B Which  of  these  APIs  do  you  think  is  important  to  be  included  in  Java  EE  8?   Java  API  for  JSON  Binding 12
  13. 13. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐B • API  to  marshal/unmarshal  Java  objects  to/from  JSON   – Similar  to  JAXB  runtime  API  in  XML  world   • Default  mapping  of  classes  to  JSON   – Annotations  to  customize  the  default  mappings   – JsonProperty,  JsonTransient,  JsonNillable,  JsonValue,  … Java  API  for  JSON  Binding 13
  14. 14. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐B • Draw  from  best  practices  of  existing  JSON  binding  implementations   – Jackson,  Genson,  EclipseLink  MOXy,  Fleece,  JSON-­‐lib,  Gson,  Flexjson,  Json-­‐io,   JSONiJ,  Johnzon,  Xstream,  etc.   • Switch  JSON  binding  providers   • Implementations  compete  on  common  ground Standard  API 14
  15. 15. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐B @Entity  public  class  Person  {      @Id  String  name;      String  gender;      @ElementCollection  Map<String,String>  phones;      ...  //  getters  and  setters   }   Person  duke  =  new  Person();   duke.setName("Duke");   duke.setGender("M");   phones  =  new  HashMap<String,String>();   phones.put("home",  "650-­‐123-­‐4567");   phones.put("mobile",  "650-­‐234-­‐5678");   duke.setPhones(phones);   Marshaller  marshaller  =  new  JsonContext().createMarshaller().setPrettyPrinting(true);   JsonParser  parser  =  marshaller.marshal(duke);   marshaller.marshal(duke,  new  FileWriter("mascot.json"));      {          "name":"Duke",          "gender":"M",          "phones":{                "home":"650-­‐123-­‐4567",                "mobile":"650-­‐234-­‐5678"}      }   15
  16. 16. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   • All  the  way  from  client  to  database   – JSON-­‐B  will  provide  JAX-­‐RS  a  standard  way  to  support  “application/json”  media  type JSON-­‐B JPA JSON-­‐B Data   Source JSON JAX-­‐RS Java  Objects 16 JSR  367
  17. 17. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 Java  API  for  JSON  Processing 17 • Keep  JSON-­‐P  spec  up-­‐to-­‐date   • Track  new  standards   • Add  editing  operations  to  JsonObject  and  JsonArray   • Java  SE  8   • JSON  Big  Data
  18. 18. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 • String  syntax  for  referencing  a  JSON  value     "/0/phone/mobile" JSON-­‐Pointer  –  IETF  RFC  6901 18
  19. 19. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 JsonArray  contacts  =  …   JsonPointer  pointer  =  new  JsonPointer("/0/name");   JsonValue  value  =  pointer.getValue(contacts);   [    {          "name":"Duke",          "gender":"M",          "phones":{                "home":"650-­‐123-­‐4567",                "mobile":"650-­‐234-­‐5678"}},      {          "name":"Jane",          "gender":"F",          "phones":{                "mobile":"707-­‐555-­‐9999"}}   ]       19
  20. 20. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 • String  syntax  for  referencing  a  JSON  value     “/0/name"   • Methods   – getValue()   – JSON  operations:  add(),  replace(),  remove() JSON-­‐Pointer  –  IETF  RFC  6901 20  JsonPointer  pointer  =  new  JsonPointer("/0/name");    JsonArray  result  =  pointer.replace(contacts,  Json.createValue("Alex"));
  21. 21. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 • Patch  is  a  JSON  document   – Array  of  objects  /  operations  for  modifying  a  JSON  document   – add,  replace,  remove,  move,  copy,  test JSON-­‐Patch  –  IETF  RFC  6902 21 [        {"op":"replace","path":"/0/phones/mobile","value":"650-­‐111-­‐222"},        {"op":"remove","path":"/1"}   ]
  22. 22. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 [    {      "op":"replace",      "path":"/0/phones/mobile",      "value":"650-­‐111-­‐2222"},    {      "op":"remove",      "path":"/1"}   ] [    {          "name":"Duke",          "gender":"M",          "phones":{                "home":"650-­‐123-­‐4567",                "mobile":"650-­‐234-­‐5678"}},      {          "name":"Jane",          "gender":"F",          "phones":{                "mobile":"707-­‐555-­‐9999"}}   ]       22
  23. 23. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 [    {      "op":"replace",      "path":"/0/phones/mobile",      "value":"650-­‐111-­‐2222"},    {      "op":"remove",      "path":"/1"}   ] [    {          "name":"Duke",          "gender":"M",          "phones":{                "home":"650-­‐123-­‐4567",                "mobile":"650-­‐111-­‐2222"}},      {          "name":"Jane",          "gender":"F",          "phones":{                "mobile":"707-­‐555-­‐9999"}}   ]       23
  24. 24. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 [    {      "op":"replace",      "path":"/0/phones/mobile",      "value":"650-­‐111-­‐2222"},    {      "op":"remove",      "path":"/1"}   ] [    {          "name":"Duke",          "gender":"M",          "phones":{                "home":"650-­‐123-­‐4567",                "mobile":"650-­‐111-­‐2222"}}   ]       24
  25. 25. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.    JsonArray  target  =  …;    JsonArray  patch  =  …;        JsonPatch  jsonpatch  =  new  JsonPatch(patch);    JsonArray  result  =  jsonpatch.apply(target); JSON-­‐P  1.1 25  JsonPatchBuilder  builder  =  new  JsonPatchBuilder();    JsonArray  result  =  builder.add("/Joe/phones/office",  "1234-­‐567")                                                        .remove("/Amy/age")                                                        .apply(contacts);
  26. 26. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 {            "title":  "Hello!",            "phoneNumber":  "+01-­‐123-­‐456-­‐7890",            "author":  {                          "familyName":  null              },              "tags":  [  "example"  ]    }   26 {          "title":  "Goodbye!",          "author":  {                  "givenName":  "John",                  "familyName":  "Doe"            },            "tags":  [  "example",  "sample"  ],            "content":  "This  will  be  unchanged"    }       {            "title":  "Hello!",            "author":  {                          "givenName":  "John"              },              "tags":  [  "example"  ],              "content":  "This  will  be  unchanged",              "phoneNumber":  "+01-­‐123-­‐456-­‐7890"    }       JSON-­‐Merge  Patch  –  IETF  RFC  7386
  27. 27. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 • Reverse  operation   – Given  two  objects  returns  the  patch  to  apply  (diff)   JSON-­‐Patch  –  JSON-­‐Merge  Patch  Diff 27 JsonValue  output  =  JsonMergePatch.diff(original,  target);   JsonArray  diff  =  JsonPatch.diff(original,  target);
  28. 28. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 JSON  Query  using  Lambda  Operations JsonArray  cars  =  ...;   List<String>  audis  =  cars.getValuesAs(JsonObject.class).stream()                                                    .filter(x-­‐>"Audi".equals(x.getString("brand")))                                                    .map(x-­‐>(x.getString("serial"))                                                    .collect(Collectors.toList()); 28
  29. 29. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 JSON  Query  collecting  results  in  JsonArray JsonArray  cars  =  ...;   JsonArray  audis  =  cars.getValuesAs(JsonObject.class).stream()                                                                                                            .filter(x-­‐>"Audi".equals(x.getString("brand")))                                                                                                            .map(x-­‐>(x.getString("serial"))                                                                                                            .collect(JsonCollectors.toJsonArray()); 29
  30. 30. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JSON-­‐P  1.1 • Keep  JSON-­‐P  spec  up-­‐to-­‐date   • Track  new  standards   • Add  editing  operations  to  JsonObject  and  JsonArray   • Java  SE  8   • JSON  Big  Data 30 JSR  374
  31. 31. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Server-­‐sent  Events Should  we  also  standardize  a  Java  API  for  server-­‐sent  events?   31
  32. 32. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Server-­‐sent  Events • Part  of  HTML5  standardization   • Server-­‐to-­‐client  streaming  of  text  data   • Media  type:  “text/event-­‐stream”   • Long-­‐lived  HTTP  connection   – Client  establishes  connection   – Server  pushes  update  notifications  to  client 32
  33. 33. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Server-­‐sent  Events • Servlet,  WebSocket,  JAX-­‐RS  or  standalone  API?   • JAX-­‐RS  deemed  most  natural  fit   – Streaming  HTTP  resources  already  supported   – Small  extension   • Server  API:  new  media  type;  EventOutput     • Client  API:  new  handler  for  server  side  events   – Convenience  of  mixing  with  other  HTTP  operations;  new  media  type   – Jersey  already  supports  SSE 33
  34. 34. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Server-­‐sent  Events @Path("tickers")   public  class  StockTicker  {   …        @Get        @Produces("text/event-­‐stream")        public  EventOutput  getQuotes()  {                EventOutput  eo  =  new  EventOutput();                new  StockThread(eo).start()                return  eo;        }   } JAX-­‐RS  resource  class 34
  35. 35. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JAX-­‐RS  StockThread  class class  StockThread  extends  Thread  {    private  EventOutput  eo;    …    @Override public  void  run()  {              try  { …                      eo.send(new  StockQuote("..."));                }  catch  (IOException  e)  {  …  } } } 35 Server-­‐sent  Events
  36. 36. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   WebTarget  target  =  client.target("http://example.com/tickers");   EventSource  eventSource  =  new  EventSource(target)  {        @Override        public  void  onEvent(InboundEvent  inboundEvent)  {            StockQuote  sq  =  inboundEvent.readData(StockQuote.class);            //  ...          }      };   eventSource.open(); JAX-­‐RS  Client 36 Server-­‐sent  Events
  37. 37. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Model  View  Controller  1.0    (MVC) Should  Java  EE  provide  support  for  MVC  alongside  JSF?     Is  there  any  one  de-­‐facto  standard  technology  in  this  space  to  which  we   should  look  for  inspiration? 37
  38. 38. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   MVC  1.0 • Why?   – Java  EE  8  Community  Survey   – UI  landscape  is  not  one  size  fits  all   38 Action-­‐based  Model-­‐View-­‐Controller  architecture
  39. 39. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   MVC  1.0 • Model   – CDI,  Bean  Validation,  JPA   • View   – Facelets,  JSP,  SPI?   • Controller   – Invent  new  technology  Vs.  Leverage  existing  technologies? 39 Glues  together  key  Java  EE  technologies
  40. 40. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved. Controller @Path("hello") @Controller public class HelloController { @GET @View("view1.xhtml") public void hello() { … } } 40
  41. 41. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved. Controller @Path("hello") public class HelloController { @GET @Controller public String hello() { // do business stuff return "viewA.jsp"; } } 41
  42. 42. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved. Model @Named(“greeting”) @RequestScoped public class Greeting { private String message; public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } } 42
  43. 43. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved. View <?xml version='1.0' encoding='UTF-8' ?> <!DOCTYPE html PUBLIC …> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://xmlns.jcp.org/jsf/html"> <h:head> <title>Facelet!</title> </h:head> <h:body> <p>${greeting.message} to BCN</p> </h:body> </html> 43
  44. 44. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved. View <%@ page contentType=“text/html;charset=UTF-8” language=“java” %> <html> <head> <title>Hello</title> </head> <body> <p>Hello ${greeting.message}</p> </body> </html> 44
  45. 45. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved. View <html> <head> <title>FreeMarker</title> </head> <body> <p>Hello ${user}</p> </body> </html> 45
  46. 46. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved. JSR  371 • View  Engine   – JSP  &  Facelets   – FreeMarker,  Velocity,  Thymeleaf,  Mustache,  Handlebars  &  Pebble   • Validation   • Exception  Mapping  Providers   • Bootstrap  via  javax.ws.rs.core.Application   • @Produces   • CDI  Events 46            Early  Draft  Review
  47. 47. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   HTTP  1.1  circa  1999 47 • HoLB   • HTTP  uses  TCP  poorly   - HTTP  flows  are  short  and  bursty   - TCP  was  built  for  long-­‐lived  flows   • Solutions   - File  concatenations,  Assets  Inlining,  Domain  sharding,  etc. Problems  Vs  Solutions
  48. 48. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   HTTP/2 • “HTTP/2  is  nearly  done  standardization”   – Hypertext  Transfer  Protocol  version  2  -­‐  RFC  7540   – HPACK  -­‐  Header  Compression  for  HTTP/2  -­‐  RFC  7541   • Reduce  latency   • Address  the  HOL  blocking  problem   • Support  parallelism   • Retain  semantics  of  HTTP  1.1   • Define  interaction  with  HTTP  1.x Address  the  Limitations  of  HTTP  1.x 48
  49. 49. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   HTTP/2 • One  TCP  Connection   • Request  -­‐>  Stream   – Multiplexed   – Prioritised   • Binary  Framing  Layer   – Prioritisation   – Flow  Control   – Server  Push   • Header  Compression Multiplexed  Binary  Frames 49 POST  /upload  HTTP/1.1   Host:  www.test.com   Content-­‐Type:  application/json   Content-­‐Length:  15   {“name”:“duke”} HTTP  1.1 HTTP/2 HEADERS  frame DATA  frame
  50. 50. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   HTTP/2 Server  Push /index.html  :  stream  1   /style.css  :  stream  2   /script.js  :  stream  4 Client Server stream  1   HEADERS stream  1   FRAME  x stream  2   PROMISE stream  4   PROMISE 50
  51. 51. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   HTTP/2 Header  Compression 51
  52. 52. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Servlet  4.0 • Request/response  multiplexing   – Servlet  Request  as  HTTP/2  message   • Stream  prioritization   – Add  stream  priority  to  HttpServletRequest   • Server  push   • Binary  framing   • Upgrade  from  HTTP  1.1 HTTP/2  Features  in  Servlet  API 52
  53. 53. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  8  Themes • HTML5  /  Web  Tier  Enhancements   • Ease  of  Development   • Infrastructure  for  running  in  the  Cloud 53
  54. 54. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Ease  of  Development • CDI  alignment   • JAX-­‐RS  injection  alignment   • Simplified  messaging  through  CDI-­‐based  “MDBs”   • WebSocket  scopes   • Pruning  of  EJB  2.x  client  view  and  IIOP  interoperability   • Security  interceptors   • … 54
  55. 55. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JMS  2.1 • Alternative  to  EJB  message-­‐driven  beans   • Simpler  JMS-­‐specific  annotations   • Usable  by  any  CDI  bean   • No  need  for  MessageListener  implementation New  API  to  receive  messages  asynchronously 55
  56. 56. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JMS @MessageDriven(activationConfig  =  {      @ActivationConfigProperty(propertyName="connectionFactoryLookup",  propertyValue="jms/myCF"),      @ActivationConfigProperty(propertyName="destinationLookup",  propertyValue="jms/myQueue"),      @ActivationConfigProperty(propertyName="destinationType",  propertyValue="javax.jms.queue")})   public  class  MyMDB  implements  MessageListener  {        public  void  onMessage(Message  message)  {                //  extract  message  body                String  body  =  message.getBody(String.class));                //  process  message  body        }   }     MDBs  Today 56
  57. 57. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   JMS  2.1 public  class  MyListenerBean  {        @JMSListener(destinationLookup="jms/myQueue")        @Transactional        public  void  myCallback(Message  message)  {        ...        }   } Allow  any  Java  EE  bean  to  be  a  listener 57
  58. 58. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   • Java  SE  support   • Modularity   • Enhanced  Events   • Misc.   – AOP   – SPI   – Interceptors  and  Decorators  enhancements   – Cleaning   58 CDI  2.0
  59. 59. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   CDI  2.0 • Add  new  features  to  CDI  without  bloating  the  specification   • “Sub  specification”(aka  “parts”)  that  can  be  used  independently   – SE   – EE   – more?   • Will  help  CDI  adoption 59 Modularity
  60. 60. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   60 public  class  ProducerClass  {     @Inject  Event<SomeEvent>  someEvent;     public  void  someMethod(...)  {       ...       someEvent.fire(...);     }   } CDI  2.0 Asynchronous  Events public  class  AnotherClass  {              public  void  someObserver(@Observes  SomeEvent  someEvent)  {        ...              }   } public  class  AsynchProducerClass  {                    @Inject  Event<Payload>  someEvent;            public  void  anotherMethod()  {        CompletionStage<…>  completionStage  someEvent.fireAsync(...);            }   }
  61. 61. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   61 CDI  2.0 Events  Ordering public  void  importantObserver(@Observes  @Priority(1)  MyEvent  evt)   {   ...   }   public  void  anotherObserver(@Observes  @Priority(10)  MyEvent  evt)   {   ...   }
  62. 62. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Pruning Should  we  prune  EJB  2.x  remote  and  local  client  view  (EJBObject,  EJBLocalObject,   EJBHome,  and  EJBLocalHome  interfaces)?   Should  we  prune  CORBA,  including  support  for  interoperability  by  means  of  IIOP? Candidates  for  Proposed  Optional  status 62
  63. 63. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  8  Themes • HTML5  /  Web  Tier  Enhancements   • Ease  of  Development   • Infrastructure  for  running  in  the  Cloud 63
  64. 64. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Modernize  the  Infrastructure • Java  EE  Management  2.0   – REST-­‐based  APIs  for  Management  and  Deployment   • Java  EE  Security  1.0   – Authorization   – Password  Aliasing   – User  Management   – Role  Mapping   – Authentication   – REST  Authentication For  On-­‐Premise  and  for  in  the  Cloud 64
  65. 65. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  Management  2.0 • Update  to  JSR  77  (“J2EE  Management”)   • REST-­‐based  interfaces  to  augment  (or  replace)  current  Management  EJB   APIs   – Currently  used  OBJECT_NAME  to  become  URL   – Define  CRUD  operations  over  individual  managed  objects   – Server-­‐sent  events  used  for  event  support   • Simple  deployment  interfaces  also  to  be  considered  as  part  of   management  API 65
  66. 66. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  Security  1.0 @IsAuthorized("hasRoles('Manager')  &&  schedule.officeHrs")   void  transferFunds()   @IsAuthorized("hasRoles('Manager')  &&  hasAttribute('directReports',  employee.id)")   double  getSalary(long  employeeId);   @IsAuthorized(ruleSourceName="java:app/payrollAuthRules",  rule="report")   void  displayReport(); Authorization  via  CDI  Interceptors 66
  67. 67. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  Security  1.0 User  Management • Allow  application  to  manage  its  own  users  and    groups   – Without  need  to  access  server  configuration   • Users  stored  in  application-­‐specified  repository  (e.g.  LDAP)   • User  service  manipulates  users  from  user  source     LDAPUserInfo UserService UserSource   Definition 67
  68. 68. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  Security  1.0 User  Management @LdapUserSourceDefinition(      name="java:app/ldapUserSource",      ldapUrl="ldap://someURL",      ldapUser="ElDap",      ldapPassword="${ALIAS=LdapPW}",      ...   )   public  class  MyAuthenticator  {      @Resource(lookup="java:app/ldapUserSource")      private  UserService  userService;      private  boolean  isAccountEnabled(String  username)  {          return  userService.loadUserByUsername(username).isEnabled();      }      ...   } 68
  69. 69. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  Security  1.0 Password  Aliasing • Standardized  syntax  for  password  aliases             • Standardized  ‘secure  credentials  archive’   – Co-­‐bundle  alias  and  password  with  App     – Used  by  platform  as  credential  store  for  resolving  alias 69 @DataSourceDefinition(          name="java:app/MyDataSource",          className="com.example.MyDataSource",  …        user="duke",          password="${ALIAS=dukePassword}")
  70. 70. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  Security  1.0 Candidate  Areas  to  Enhance  Portability,  Flexibility,  Ease-­‐of-­‐Use • Authorization  Interceptors   • User  Management   • Role  Mapping   • Authentication   • REST  Authentication   • Password  Aliasing   70
  71. 71. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  8  Themes • HTML5  /  Web  Tier  Enhancements   • Ease  of  Development   • Infrastructure  for  running  in  the  Cloud   • Java  SE  8  alignment 71
  72. 72. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Java  EE  8  JSRs • Java  EE  8  Platform  (JSR  366)   • CDI  2.0  (JSR  365)   • JSON  Binding  1.0  (JSR  367)   • JMS  2.1  (JSR  368)     • Java  Servlet  4.0  (JSR  369)     • JAX-­‐RS  2.1  (JSR  370)   • MVC  1.0  (JSR  371)  *     • JSF  2.3  (JSR  372)   • Java  EE  Management  2.0  (JSR  373)   • JSON-­‐P  1.1  (JSR  374)   • Java  EE  Security  1.0  (JSR  375) So  far….. 72
  73. 73. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   And  More  to  Follow… • Bean  Validation   • EL     • Concurrency  Utilities   • Connector  Architecture   • WebSocket   • Interceptors   • JPA   • EJB   • JTA   • JCache   • Batch   • JavaMail   • … 73
  74. 74. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Roadmap • Tentative  Delivery  Schedule   – Q3  2014:  JSR  369  Expert  Group  formed   – Q1  2015:  early  draft   – Q3  2015:  public  review   – Q4  2015:  proposed  final  draft   – Q3  2016:  final  release   • TBC!   • Contribute! 74
  75. 75. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   How  to  Get  Involved • Join  an  Expert  Group   – http://javaee-­‐spec.java.net   • Adopt  a  JSR   – http://glassfish.org/adoptajsr   • The  Aquarium   – http://blogs.oracle.com/theaquarium   • Java  EE  Reference  Implementation   – http://glassfish.org 75
  76. 76. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   GlassFish http://glassfish.org Java  EE  Reference  Implementation 76
  77. 77. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.   Obrigado! 77
  78. 78. Copyright  ©  2015,  Oracle  and/or  its  affiliates.  All  rights  reserved.  

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