[jira] [Created] (CXF-6103) Nillable field, in a json payload, was sent as "@nil":"true" instead of an empty string

[Michele Milesi (JIRA)]

Michele Milesi created CXF-6103:
-----------------------------------

             Summary: Nillable field, in a json payload, was sent as 
"@nil":"true" instead of an empty string
                 Key: CXF-6103
                 URL: https://issues.apache.org/jira/browse/CXF-6103
             Project: CXF
          Issue Type: Bug
          Components: JAX-RS
    Affects Versions: 2.7.13
         Environment: Windows Seven, Linux Red Hat Enterprise 6
            Reporter: Michele Milesi


Moving from CXF version 2.2.7 to 2.7.13 a nillable field, in a jax-rs client 
with json format, wil be sent with the annotation {{ "@nil":"true" }} instead 
of an empty string (as configured).

The request with the version 2.7.13
{noformat}
---------------------------
ID: 1
Address: http://localhost:8080/test/test/echo
Http-Method: POST
Content-Type: application/json
Headers: {Accept=[application/json], Content-Type=[application/json]}
Payload: {"nillableField":{"@nil":"true"}}
--------------------------------------
{noformat}

The request with the version 2.7.7
{noformat}
---------------------------
ID: 1
Address: http://localhost:8080/test/test/echo
Http-Method: POST
Content-Type: application/json
Headers: {Accept=[application/json], Content-Type=[application/json]}
Payload: {"nillableField":""}
--------------------------------------
{noformat}

*The client configuration*

{code:xml}
<bean id="simpleConverter" class="org.codehaus.jettison.mapped.SimpleConverter" 
/>
<bean id="jsonProvider" class="org.apache.cxf.jaxrs.provider.json.JSONProvider">
    <property name="dropRootElement" value="true" />
    <property name="ignoreNamespaces" value="true" />
    <property name="typeConverter" ref="simpleConverter" />
    <property name="supportUnwrapped" value="true" />
    <property name="writeXsiType" value="false" />
    <property name="serializeAsArray" value="true" />
    <property name="dropCollectionWrapperElement" value="false" />
    <property name="convention" value="mapped" />
</bean>

<jaxrs:client id="testServiceClient" address="http://localhost:8080/test/";     
serviceClass="it.icteam.test.cxf.service.TestService">
    <jaxrs:headers>
        <entry key="Accept" value="application/json" />
    </jaxrs:headers>
    <jaxrs:providers>
        <ref bean="jsonProvider" />
    </jaxrs:providers>
    <jaxrs:features>
        <core:logging />
    </jaxrs:features>
</jaxrs:client>
{code}

*The request Pojo*
{code:java}
package it.icteam.test.cxf.model;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

/**
 * @author m.milesi
 */
@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public class TestRequest {

        @XmlElement(required = true)
        private String mandatoryField;
        
        @XmlElement(required = false)
        private String optionalField;
        
        @XmlElement(required = true, nillable=true)
        private String nillableField;

        /**
         * @return the mandatoryField
         */
        public String getMandatoryField() {
                return mandatoryField;
        }

        /**
         * @param mandatoryField the mandatoryField to set
         */
        public void setMandatoryField(String mandatoryField) {
                this.mandatoryField = mandatoryField;
        }

        /**
         * @return the optionalField
         */
        public String getOptionalField() {
                return optionalField;
        }

        /**
         * @param optionalField the optionalField to set
         */
        public void setOptionalField(String optionalField) {
                this.optionalField = optionalField;
        }

        /**
         * @return the nillableField
         */
        public String getNillableField() {
                return nillableField;
        }

        /**
         * @param nillableField the nillableField to set
         */
        public void setNillableField(String nillableField) {
                this.nillableField = nillableField;
        }
}
{code}

*The service interface*
{code:java}
package it.icteam.test.cxf.service;

import javax.ws.rs.Consumes;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;

import it.icteam.test.cxf.model.TestRequest;
import it.icteam.test.cxf.model.TestResponse;

@Path("/test")
@Consumes({ "application/json" })
@Produces({ "application/json" })
public interface TestService {
        @Path("echo")
        @POST
        TestResponse echo(TestRequest request);
}
{code}

*The maven dependencies*
{code:xml}
<properties>
    <!-- cxf.version>2.7.7</cxf.version-->
    <cxf.version>2.7.13</cxf.version>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
</properties>
<dependencies>
    <dependency>
        <groupId>org.apache.cxf</groupId>
        <artifactId>cxf-bundle</artifactId>
        <version>${cxf.version}</version>
    </dependency>
    <dependency>
        <groupId>org.apache.cxf</groupId>
        <artifactId>cxf-rt-rs-extension-providers</artifactId>
        <version>${cxf.version}</version>
    </dependency>
    <dependency>
        <groupId>org.codehaus.jettison</groupId>
        <artifactId>jettison</artifactId>
        <version>1.3.6</version>
    </dependency>
 </dependencies>
{code}

If needed may I give you a ready to use maven project with a test case. 



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