Re: [jaxrs-dev] @PathParam not picking value ?

[Som Lima <somplasticllc@xxxxxxxxx>]

I have rectified the error with incorrect library import

and divided  the code as suggested which does make sense moreover  it seems like a best practice.

Can you please explain what is the difference between these two different syntax arguments and what is the benefit if any ?

They both of these two lines of code work.

  @javax.ws.rs.Path("addition/{inNum : .*}")
// @javax.ws.rs.Path("addition/{inNum}")

 

package jakarta.julian;
/**
 *
 *  Application Path Rest Web Service
 *
 */

@javax.ws.rs.ApplicationPath("/resources")
 public class Julian  extends javax.ws.rs.core.Application {
}

package jakarta.julian;

/* *  Addition REST service, child resource to parent ApplicationPath  
 *   
 */

@javax.ws.rs.Path("AdditionRestService")
public class AdditionResource {

// curl -X GET
// http://localhost:8080/julian/resources/AdditionRestService/addition/0123

      @javax.ws.rs.GET
     @javax.ws.rs.Produces("text/plain")
     @javax.ws.rs.Path("addition/{inNum : .*}")
  // @javax.ws.rs.Path("addition/{inNum}")

    public String add(
            @javax.ws.rs.PathParam("inNum") String inNum) {
            // get second character ignore rest
           int intemp = Integer.parseInt(inNum.substring(1, 2));
           return "" + (intemp + 3) ;    
    } // add

} // class

On Tue, 26 Jan 2021, 08:18 Edwin Amoakwa, <edwin.amoakwa@xxxxxxxxx> wrote:

Also, check the PathParam you are using. 

It should be : 

import javax.ws.rs.PathParam;

Not the one from the websocket.

Thanks,

Edwin.

On Tue, 26 Jan 2021, 8:08 am Ivar Grimstad, <ivar.grimstad@xxxxxxxxxxxxxxxxxxxxxx> wrote:

I don't think you can have your resource methods in the Application class.

You should move your resource to a separate class. E.g.:

@Path("MyRestService")
public class ConvertResource {

@GET
@Produces("text/plain")
@Path("convert/{inNum : .*}")
    public String add(
            @PathParam("inNum") String inNum) {

   return ""+ inNum;
   
      }
}

And:

@ApplicationPath("/resources")
public class Julian  extends Application {

}

That should work.

On Tue, Jan 26, 2021 at 8:01 AM Som Lima <somplasticllc@xxxxxxxxx> wrote:

return value is blank in this simplified program to pass a value .

What is the issue  ?

import javax.websocket.server.PathParam;
import javax.ws.rs.ApplicationPath;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Application;
/**
 *
 * Rest Web Service
 *
 */
@ApplicationPath("/resources")
@Path("MyRestService")
public class Julian  extends Application {

// curl -X GET
// http://localhost:8080/julian/resources/MyRestService/convert/0123
@GET
@Produces("text/plain")
@Path("convert/{inNum : .*}")
    public String add(
            @PathParam("inNum") String inNum) {

   return ""+ inNum;
   
      }
}

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--

Ivar Grimstad

Jakarta EE Developer Advocate | Eclipse Foundation

Eclipse Foundation - Community. Code. Collaboration. 

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