解组时，目标Java对象中字段的MOXy顺序很重要
似乎莫西有一只虫子。当类请求中的字段先声明为metaInfo，然后声明为content时，下面的代码段可以完美地工作，但当字段以相反的顺序声明时（content优先，metaInfo其次），测试在解组时失败解组时，目标Java对象中字段的MOXy顺序很重要,java,jaxb,moxy,xmlanyelement,Java,Jaxb,Moxy,Xmlanyelement,似乎莫西有一只虫子。当类请求中的字段先声明为metaInfo，然后声明为content时，下面的代码段可以完美地工作，但当字段以相反的顺序声明时（content优先，metaInfo其次），测试在解组时失败 引发的异常是： 使用类型：APPLICATION\uxml 原始请求={content=Payload={[one，two，three]}，metaInfo=requestMetaInfo={confirmation=false} 封送为application/xml:onetwotherf
引发的异常是：
使用类型：APPLICATION\uxml
原始请求={content=Payload={[one，two，three]}，metaInfo=requestMetaInfo={confirmation=false}
封送为application/xml:onetwotherfalse
本地异常堆栈：
异常[EclipseLink-32]（Eclipse持久性服务-2.6.0.v20150309-bf26070）：org.Eclipse.Persistence.exceptions.DescriptorException
异常描述：尝试在对象中为[java.util.collection]类型的实例变量[collection]设置值[[one，two，three]]。指定的对象不是声明基础字段的类或接口的实例，或者展开转换失败。
内部异常：java.lang.IllegalArgumentException:无法将java.util.Collection字段test2.TestCase2$Payload.Collection设置为test2.TestCase2$RequestMetaInfo
映射：org.eclipse.persistence.oxm.mappings.XMLCompositeCollectionMapping[collection]
描述符：XMLDescriptor（test2.TestCase2$Payload-->[数据库表（集合）]）
位于org.eclipse.persistence.exceptions.DescriptorException.illegalArgumentWhileSettingValueThruInstanceVariableAccessor（DescriptorException.java:703）
位于org.eclipse.persistence.internal.descriptors.InstanceVariableAttributeAccessor.setAttributeValueInObject（InstanceVariableAttributeAccessor.java:188）
位于org.eclipse.persistence.mappings.DatabaseMapping.setAttributeValueInObject（DatabaseMapping.java:1652）
位于org.eclipse.persistence.oxm.mappings.XMLCompositeCollectionMapping.setAttributeValueInObject（XMLCompositeCollectionMapping.java:741）
位于org.eclipse.persistence.internal.oxm.XMLCompositeCollectionMappingNodeValue.setContainerInstance（XMLCompositeCollectionMappingNodeValue.java:265）
位于org.eclipse.persistence.internal.oxm.record.UnmarshalRecordImpl.endDocument（UnmarshalRecordImpl.java:628）
位于com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endDocument（AbstractSAXParser.java:745）
位于com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument（XMLDocumentFragmentScannerImpl.java:515）
位于com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse（XML11Configuration.java:848）
位于com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse（XML11Configuration.java:777）
位于com.sun.org.apache.xerces.internal.parsers.XMLParser.parse（XMLParser.java:141）
位于com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse（AbstractSAXParser.java:1213）
位于com.sun.org.apache.xerces.internal.jaxp.saxpasserimpl$jaxpsaxpasser.parse（saxpasserimpl.java:648）
位于org.eclipse.persistence.internal.oxm.record.XMLReader.parse（XMLReader.java:243）
位于org.eclipse.persistence.internal.oxm.record.SAXUnmarshaller.unmarshal（SAXUnmarshaller.java:978）
位于org.eclipse.persistence.internal.oxm.record.SAXUnmarshaller.unmarshal（SAXUnmarshaller.java:425）
位于org.eclipse.persistence.internal.oxm.record.SAXUnmarshaller.unmarshal（SAXUnmarshaller.java:635）
位于org.eclipse.persistence.internal.oxm.record.SAXUnmarshaller.unmarshal（SAXUnmarshaller.java:706）
位于org.eclipse.persistence.internal.oxm.xmlumarshaller.unmarshal（xmlumarshaller.java:643）
位于org.eclipse.persistence.jaxb.JAXBUnmarshaller.unmarshal（JAXBUnmarshaller.java:339）
位于test2.TestCase2.main（TestCase2.java:67）
在sun.reflect.NativeMethodAccessorImpl.invoke0（本机方法）处
在sun.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:57）中
在sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）中
位于java.lang.reflect.Method.invoke（Method.java:606）
位于com.intellij.rt.execution.application.AppMain.main（AppMain.java:134）
原因：java.lang.IllegalArgumentException:无法将java.util.Collection字段test2.TestCase2$Payload.Collection设置为test2.TestCase2$RequestMetaInfo
在sun.reflect.UnsafeFieldAccessorImpl.throwsetilegalargumentexception（UnsafeFieldAccessorImpl.java:164）处
在sun.reflect.UnsafeFieldAccessorImpl.throwsetilegalargumentexception（UnsafeFieldAccessorImpl.java:168）中
在sun.reflect.UnsafeFieldAccessorImpl.ensureObj（UnsafeFieldAccessorImpl.java:55）
位于sun.reflect.UnsafeObjectFieldAccessorImpl.set（UnsafeObjectFieldAccessorImpl.java:75）
位于java.lang.reflect.Field.set（Field.java:741）
位于org.eclipse.persistence.internal.descriptors.InstanceVariableAttributeAccessor.setAttributeValueInObject（InstanceVariableAttributeAccessor.java:141）
... 还有24个
package test2;
import org.eclipse.persistence.jaxb.JAXBContext;
import org.eclipse.persistence.jaxb.JAXBContextFactory;
import org.eclipse.persistence.jaxb.MarshallerProperties;
import org.eclipse.persistence.jaxb.UnmarshallerProperties;
import org.eclipse.persistence.oxm.MediaType;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.*;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
/**
* Test that fails if Request.content field declared before than Request.metaInfo, but works well if
* Request.metaInfo goes first in declaration
*
* MOXy 2.6.0
*/
public class TestCase2 {
@XmlRootElement(name = "request")
@XmlAccessorType(XmlAccessType.FIELD)
public static class Request<T> {
@XmlAnyElement(lax = true)
private T content; // NB!: Causes test failure if declared before metaInfo, if declaration order is changed, things work
@XmlElement
private RequestMetaInfo metaInfo;
public Request() {
}
public Request(T content, RequestMetaInfo metaInfo) {
this.content = content;
this.metaInfo = metaInfo;
}
@Override
public String toString() {
return "request = {" + "content=" + content + ", metaInfo=" + metaInfo +'}';
}
}
@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public static class RequestMetaInfo {
@XmlElement
private Boolean confirmation = false;
@Override
public String toString() {
return "requestMetaInfo = {" + "confirmation=" + confirmation +'}';
}
}
@XmlRootElement(name = "collection")
@XmlAccessorType(XmlAccessType.FIELD)
public static class Payload<T> {
@XmlElement
private Collection collection = new ArrayList();
public Payload(){}
public Payload(Collection<T> collection){
this.collection.addAll(collection);
}
public Collection<T> getCollection() {
return collection;
}
@Override
public String toString() {
return "Payload = {" + getCollection()+"}";
}
}
// Element name holding value of primitive types
public static final String VALUE_ELEMENT = "value";
// Attribute prefix in JSON
public static final String ATTRIBUTE_PREFIX = "@";
public static void main(String... args) {
try {
for (MediaType type : new MediaType[]{MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON}) {
System.out.println("Going with type: " + type);
JAXBContext context = (JAXBContext) JAXBContextFactory.createContext(
new Class[]{
Request.class,
RequestMetaInfo.class,
Payload.class
},
Collections.emptyMap());
Marshaller marshaller = context.createMarshaller();
marshaller.setProperty(MarshallerProperties.MEDIA_TYPE, type);
marshaller.setProperty(UnmarshallerProperties.JSON_INCLUDE_ROOT, false);
marshaller.setProperty(MarshallerProperties.JSON_ATTRIBUTE_PREFIX, ATTRIBUTE_PREFIX);
marshaller.setProperty(MarshallerProperties.JSON_VALUE_WRAPPER, VALUE_ELEMENT);
marshaller.setProperty(UnmarshallerProperties.JSON_WRAPPER_AS_ARRAY_NAME, true);
Request original = new Request(
new Payload(Arrays.asList("one","two","three")),
new RequestMetaInfo()
);
System.out.println("Original " + original.toString());
StreamResult result = new StreamResult(new StringWriter());
marshaller.marshal(original, result);
String generated = result.getWriter().toString();
System.out.println("Marshaled as " + type.getMediaType() + ": " + generated);
Unmarshaller unmarshaller = context.createUnmarshaller();
unmarshaller.setProperty(UnmarshallerProperties.MEDIA_TYPE, type);
unmarshaller.setProperty(UnmarshallerProperties.JSON_INCLUDE_ROOT, false);
unmarshaller.setProperty(UnmarshallerProperties.JSON_ATTRIBUTE_PREFIX, ATTRIBUTE_PREFIX);
unmarshaller.setProperty(UnmarshallerProperties.JSON_VALUE_WRAPPER, VALUE_ELEMENT);
unmarshaller.setProperty(UnmarshallerProperties.JSON_WRAPPER_AS_ARRAY_NAME, true);
Request unmarshalled = unmarshaller.unmarshal(new StreamSource(new StringReader(generated)), Request.class).getValue();
System.out.println("Unmarshaled " + unmarshalled.toString());
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
包测试2；
导入org.eclipse.persistence.jaxb.JAXBContext；
导入org.eclipse.persistence.jaxb.JAXBContextFactory；
导入org.eclipse.persistence.jaxb.MarshallerProperties；
导入org.eclipse.persistence.jaxb.UnmarshallerProperties；
导入org.eclipse.persistence.oxm.MediaType；
导入javax.xml.bind.Marshaller；
导入javax.xml.bind.Unmarshaller；
导入javax.xml.bind.annotation.*；
导入javax.xml.transform.stream.StreamResult；
导入javax.xml.transform.stream.StreamSource；
导入java.io.StringReader；
导入java.io.StringWriter；
导入java.util.ArrayList；
导入java.util.array；
导入java.util.Collection；
导入java.util.Collections；
/**
*如果Request.content字段在Request.metaInfo之前声明，则测试失败，但如果
*在声明中，Request.metaInfo放在第一位
*
*MOXy 2.6.0
*/
公共类测试用例2{
@XmlRootElement（name=“request”）
@XmlAccessorType（XmlAccessType.FIELD）
公共静态类请求{
@xmlanyement（lax=true）
private T content；//NB！：如果在metaInfo之前声明，则会导致测试失败，如果声明顺序更改，则一切正常
package test2;
import org.eclipse.persistence.jaxb.JAXBContext;
import org.eclipse.persistence.jaxb.JAXBContextFactory;
import org.eclipse.persistence.jaxb.MarshallerProperties;
import org.eclipse.persistence.jaxb.UnmarshallerProperties;
import org.eclipse.persistence.oxm.MediaType;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.*;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
/**
* Test that fails if Request.content field declared before than Request.metaInfo, but works well if
* Request.metaInfo goes first in declaration
*
* MOXy 2.6.0
*/
public class TestCase2 {
@XmlRootElement(name = "request")
@XmlAccessorType(XmlAccessType.FIELD)
public static class Request<T> {
@XmlAnyElement(lax = true)
private T content; // NB!: Causes test failure if declared before metaInfo, if declaration order is changed, things work
@XmlElement
private RequestMetaInfo metaInfo;
public Request() {
}
public Request(T content, RequestMetaInfo metaInfo) {
this.content = content;
this.metaInfo = metaInfo;
}
@Override
public String toString() {
return "request = {" + "content=" + content + ", metaInfo=" + metaInfo +'}';
}
}
@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public static class RequestMetaInfo {
@XmlElement
private Boolean confirmation = false;
@Override
public String toString() {
return "requestMetaInfo = {" + "confirmation=" + confirmation +'}';
}
}
@XmlRootElement(name = "collection")
@XmlAccessorType(XmlAccessType.FIELD)
public static class Payload<T> {
@XmlElement
private Collection collection = new ArrayList();
public Payload(){}
public Payload(Collection<T> collection){
this.collection.addAll(collection);
}
public Collection<T> getCollection() {
return collection;
}
@Override
public String toString() {
return "Payload = {" + getCollection()+"}";
}
}
// Element name holding value of primitive types
public static final String VALUE_ELEMENT = "value";
// Attribute prefix in JSON
public static final String ATTRIBUTE_PREFIX = "@";
public static void main(String... args) {
try {
for (MediaType type : new MediaType[]{MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON}) {
System.out.println("Going with type: " + type);
JAXBContext context = (JAXBContext) JAXBContextFactory.createContext(
new Class[]{
Request.class,
RequestMetaInfo.class,
Payload.class
},
Collections.emptyMap());
Marshaller marshaller = context.createMarshaller();
marshaller.setProperty(MarshallerProperties.MEDIA_TYPE, type);
marshaller.setProperty(UnmarshallerProperties.JSON_INCLUDE_ROOT, false);
marshaller.setProperty(MarshallerProperties.JSON_ATTRIBUTE_PREFIX, ATTRIBUTE_PREFIX);
marshaller.setProperty(MarshallerProperties.JSON_VALUE_WRAPPER, VALUE_ELEMENT);
marshaller.setProperty(UnmarshallerProperties.JSON_WRAPPER_AS_ARRAY_NAME, true);
Request original = new Request(
new Payload(Arrays.asList("one","two","three")),
new RequestMetaInfo()
);
System.out.println("Original " + original.toString());
StreamResult result = new StreamResult(new StringWriter());
marshaller.marshal(original, result);
String generated = result.getWriter().toString();
System.out.println("Marshaled as " + type.getMediaType() + ": " + generated);
Unmarshaller unmarshaller = context.createUnmarshaller();
unmarshaller.setProperty(UnmarshallerProperties.MEDIA_TYPE, type);
unmarshaller.setProperty(UnmarshallerProperties.JSON_INCLUDE_ROOT, false);
unmarshaller.setProperty(UnmarshallerProperties.JSON_ATTRIBUTE_PREFIX, ATTRIBUTE_PREFIX);
unmarshaller.setProperty(UnmarshallerProperties.JSON_VALUE_WRAPPER, VALUE_ELEMENT);
unmarshaller.setProperty(UnmarshallerProperties.JSON_WRAPPER_AS_ARRAY_NAME, true);
Request unmarshalled = unmarshaller.unmarshal(new StreamSource(new StringReader(generated)), Request.class).getValue();
System.out.println("Unmarshaled " + unmarshalled.toString());
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
@XmlMixed
@XmlAnyElement(lax = true)
private String content;