Fix FasterXML#44

Author: cowtowncoder

jaxb/src/main/java/com/fasterxml/jackson/module/jaxb/JaxbAnnotationIntrospector.java

@@ -38,7 +38,7 @@
  *    this may become partially supported as per [JACKSON-253].
  * <li>{@link javax.xml.bind.annotation.XmlInlineBinaryData} since the underlying concepts
  *    (like XOP) do not exist in JSON -- Jackson will always use inline base64 encoding as the method
- * <li>{@link javax.xml.bind.annotation.XmlList} because JSON does have (or necessarily need)
+ * <li>{@link javax.xml.bind.annotation.XmlList} because JSON does not have (or necessarily need)
  *    method of serializing list of values as space-separated Strings
  * <li>{@link javax.xml.bind.annotation.XmlMimeType}
  * <li>{@link javax.xml.bind.annotation.XmlMixed} since JSON has no concept of mixed content
@@ -1352,6 +1352,8 @@ private PropertyName findJaxbPropertyName(Annotated ae, Class<?> aeType, String
         }
         if (!hasAName) {
             hasAName = ae.hasAnnotation(XmlElementWrapper.class)
+                    // [modules-base#44]: should consider this as implicit marker
+                    || ae.hasAnnotation(XmlElements.class)
                     // 09-Aug-2014, tatu: Note: prior to 2.4.2, we used to give explicit name "value"
                     //   if there was "@XmlValue" annotation; since then, only implicit name.
                     || ae.hasAnnotation(XmlValue.class);

jaxb/src/test/java/com/fasterxml/jackson/module/jaxb/introspect/TestPropertyVisibility.java

@@ -4,6 +4,7 @@
 
 import javax.xml.bind.annotation.*;
 
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.databind.*;
 
 import com.fasterxml.jackson.module.jaxb.BaseJaxbTest;
@@ -47,19 +48,45 @@ public void setRawType(int type) {
         }
     }
 
+    // for [modules-base#44]
+    static class Foo44 {
+        public String foo = "bar";
+    }
+
+    @XmlAccessorType(XmlAccessType.NONE)
+    @JsonPropertyOrder({ "object", "other" })
+    static class NoneAccessBean
+    {
+        @XmlElements({
+                @XmlElement(type=Foo44.class, name="foo")
+        })
+        public Object object;
+
+        @XmlElement
+        public Object other;
+
+        public NoneAccessBean() { }
+        public NoneAccessBean(Object o) { object = o; }
+        public NoneAccessBean(Object o, Object b) {
+            object = o;
+            other = b;
+        }
+    }
+
     /*
     /**********************************************************
     /* Unit tests
     /**********************************************************
      */
 
+    private final ObjectMapper MAPPER = getJaxbMapper();
+    
     // Verify serialization wrt [JACKSON-354]
     //
     // NOTE: fails currently because we use Bean Introspector which only sees public methods -- need to rewrite
     public void testJackson354Serialization() throws IOException
     {
-        ObjectMapper mapper = getJaxbMapper();
-        assertEquals("{\"name\":\"foo\"}", mapper.writeValueAsString(new Bean354()));
+        assertEquals("{\"name\":\"foo\"}", MAPPER.writeValueAsString(new Bean354()));
     }
 
     // For [JACKSON-539]
@@ -76,10 +103,17 @@ public void testJacksonSerialization()
 
         Jackson539Bean input = new Jackson539Bean();
         input.type = 123;
-        ObjectMapper mapper = getJaxbMapper();
-        String json = mapper.writeValueAsString(input);
-        Jackson539Bean result = mapper.readValue(json, Jackson539Bean.class);
+        String json = MAPPER.writeValueAsString(input);
+        Jackson539Bean result = MAPPER.readValue(json, Jackson539Bean.class);
         assertNotNull(result);
         assertEquals(123, result.type);
     }
+
+    // for [modules-base#44]
+    public void testNoneAccessWithXmlElements() throws Exception
+    {
+        NoneAccessBean input = new NoneAccessBean(new Foo44());
+        assertEquals(aposToQuotes("{'object':{'foo':{'foo':'bar'}},'other':null}"),
+                MAPPER.writeValueAsString(input));
+    }
 }

pom.xml

@@ -47,6 +47,19 @@ not datatype, data format, or JAX-RS provider modules.
     </dependency>
   </dependencies>
 
+
+  <!-- Alas, need to include snapshot reference since otherwise can not find
+       snapshot of parent... -->
+  <repositories>
+    <repository>
+      <id>sonatype-nexus-snapshots</id>
+      <name>Sonatype Nexus Snapshots</name>
+      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+      <releases><enabled>false</enabled></releases>
+      <snapshots><enabled>true</enabled></snapshots>
+    </repository>
+  </repositories>
+
   <build>
     <pluginManagement>
       <plugins>

release-notes/CREDITS-2.x

@@ -14,3 +14,8 @@ Tuomas Kiviaho (TuomasKiviaho@github)
 
 * Reported #42: NPE from MrBean when `get()` or `set()` is though as property
  (2.9.5)
+
+Alexander Onnikov (aonnikov@github)
+
+* Reported #44: (jaxb) `@XmlElements` does not work with `@XmlAccessorType(XmlAccessType.NONE)`
+ (2.9.6)

release-notes/VERSION-2.x

@@ -12,6 +12,8 @@ Modules:
 
 2.9.6 (not yet released)
 
+#44: (jaxb) `@XmlElements` does not work with `@XmlAccessorType(XmlAccessType.NONE)`
+ (reported by Alexander O)
 - (afterburner) Cleaning up issues wrt null-skipping/handling (wrt `@JsonSetter(nulls)`
 
 2.9.5 (26-Mar-2018)