java - Get current host in XmlAdapter -


is there way of retrieving current base uri in xmladapter? or how archieved?

public class service{ ...     @get     public myentity getentity() {         return em.find(myentity.class, "dummy");     } ... }   @xmlrootelement(name = "myentity") public class myentity {      @xmljavatypeadapter(myadapter.class)     private entity2 entity2ref; ...  }    public class myadapter extends xmladapter<entity2ref, entity2> {  // null shold injected host uri @context uriinfo uri;  ...  }

below complete example of how done:

xml response

below going demonstrate how following response uri in address element put in via xmladapter aware of uriinfo.

<?xml version="1.0" encoding="utf-8"?> <customer id="1">     <name>jane doe</name>     <address>http://localhost:9999/address/123</address> </customer>

java model

below java model use example.

customer

by default contents of address class marshalled beneath customer element. use xmladapter perform special handling this.

import javax.xml.bind.annotation.*; import javax.xml.bind.annotation.adapters.xmljavatypeadapter;  @xmlrootelement @xmltype(proporder={"name", "address"}) public class customer {      private int id;     private string name;     private address address;      @xmlattribute     public int getid() {         return id;     }      public void setid(int id) {         this.id = id;     }      public string getname() {         return name;     }      public void setname(string name) {         this.name = name;     }      @xmljavatypeadapter(addressadapter.class)     public address getaddress() {         return address;     }      public void setaddress(address address) {         this.address = address;     }  }

address

import javax.xml.bind.annotation.xmlattribute;  public class address {      private int id;      @xmlattribute     public int getid() {         return id;     }      public void setid(int id) {         this.id = id;     }  }

xmladapter

below xmladapter use. notice how gets information addressresource building uri. requires uriinfo, makes stateful. need set instance of xmladapter on marshaller work correctly.

import javax.ws.rs.core.*; import javax.xml.bind.annotation.adapters.xmladapter;  public class addressadapter extends xmladapter<string, address> {      private uriinfo uriinfo;      public addressadapter() {     }      public addressadapter(uriinfo uriinfo) {         this.uriinfo = uriinfo;     }      @override     public address unmarshal(string v) throws exception {         // todo auto-generated method stub         return null;     }      @override     public string marshal(address v) throws exception {         if(null == uriinfo) {             return "";         }         uribuilder builder = uribuilder.fromresource(addressresource.class);         system.out.println(uriinfo.getabsolutepath().gethost());         builder.scheme(uriinfo.getabsolutepath().getscheme());         builder.host(uriinfo.getabsolutepath().gethost());         builder.port(uriinfo.getabsolutepath().getport());         builder.path(addressresource.class, "get");         return builder.build(v.getid()).tostring();     }  }

jax-rs services

in example there 2 services 1 address , customer.

addressresource

import javax.ws.rs.*; import javax.ws.rs.ext.provider;  @provider @path("/address") public class addressresource {      @get     @path("{id}")     public address get(@pathparam("id") int id) {         address address = new address();         address.setid(id);         return address;     }  }

customerresource

since have stateful xmladapter can't leverage jaxb through default binding. instead can access jaxb through streamingoutput.

import javax.ws.rs.*; import javax.ws.rs.core.*; import javax.ws.rs.ext.provider; import javax.xml.bind.*;  @provider @path("/customer") public class customerresource {      private jaxbcontext jaxbcontext;      public customerresource() {         try {             jaxbcontext = jaxbcontext.newinstance(customer.class);         } catch (jaxbexception e) {             // todo - handle exception         }     }      @get     @path("{id}")     @produces(mediatype.application_xml)     public streamingoutput get(@context uriinfo uriinfo, @pathparam("id") int id) {         customer customer = new customer();         customer.setid(id);         customer.setname("jane doe");          address address = new address();         address.setid(123);         customer.setaddress(address);          return new mystreamingoutput(jaxbcontext, customer, uriinfo);     }  }

streamingoutput

import java.io.*; import javax.ws.rs.webapplicationexception; import javax.ws.rs.core.*; import javax.xml.bind.*;  public class mystreamingoutput implements streamingoutput {      private jaxbcontext jaxbcontext;     private object object;     private uriinfo uriinfo;      public mystreamingoutput(jaxbcontext jc, object object, uriinfo uriinfo) {         this.jaxbcontext = jc;         this.object = object;         this.uriinfo = uriinfo;     }      @override     public void write(outputstream os) throws ioexception,             webapplicationexception {         try {             marshaller marshaller = jaxbcontext.createmarshaller();             marshaller.setadapter(new addressadapter(uriinfo));             marshaller.marshal(object, os);         } catch(jaxbexception jaxbexception) {             throw new webapplicationexception(jaxbexception);         }     }  }

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