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org.apache.cxf.jaxrs.provider.AbstractJAXBProvider Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.jaxrs.provider;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.lang.annotation.Annotation;
import java.lang.reflect.Array;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.Set;
import java.util.logging.Logger;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.PropertyException;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.ValidationEventHandler;
import javax.xml.bind.annotation.XmlAnyElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlType;
import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.validation.Schema;
import org.xml.sax.helpers.DefaultHandler;
import org.apache.cxf.common.i18n.BundleUtils;
import org.apache.cxf.common.jaxb.JAXBUtils;
import org.apache.cxf.common.jaxb.NamespaceMapper;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.PackageUtils;
import org.apache.cxf.jaxrs.ext.MessageContext;
import org.apache.cxf.jaxrs.model.ClassResourceInfo;
import org.apache.cxf.jaxrs.utils.InjectionUtils;
import org.apache.cxf.jaxrs.utils.JAXRSUtils;
import org.apache.cxf.jaxrs.utils.ResourceUtils;
import org.apache.cxf.jaxrs.utils.schemas.SchemaHandler;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.PhaseInterceptorChain;
import org.apache.cxf.staxutils.DepthRestrictingStreamReader;
import org.apache.cxf.staxutils.DepthXMLStreamReader;
import org.apache.cxf.staxutils.DocumentDepthProperties;
import org.apache.cxf.staxutils.transform.TransformUtils;
public abstract class AbstractJAXBProvider extends AbstractConfigurableProvider
implements MessageBodyReader, MessageBodyWriter {
protected static final ResourceBundle BUNDLE = BundleUtils.getBundle(AbstractJAXBProvider.class);
protected static final Logger LOG = LogUtils.getL7dLogger(AbstractJAXBProvider.class);
protected static final String NS_MAPPER_PROPERTY = "com.sun.xml.bind.namespacePrefixMapper";
protected static final String NS_MAPPER_PROPERTY_INT = "com.sun.xml.internal.bind.namespacePrefixMapper";
private static final String JAXB_DEFAULT_NAMESPACE = "##default";
private static final String JAXB_DEFAULT_NAME = "##default";
protected Set> collectionContextClasses = new HashSet>();
protected Map jaxbElementClassMap = Collections.emptyMap();
protected boolean unmarshalAsJaxbElement;
protected boolean marshalAsJaxbElement;
protected Map outElementsMap;
protected Map outAppendMap;
protected List outDropElements;
protected List inDropElements;
protected Map inElementsMap;
protected Map inAppendMap;
private boolean attributesToElements;
private Map packageContexts = new HashMap();
private Map, JAXBContext> classContexts = new HashMap, JAXBContext>();
private MessageContext mc;
private Schema schema;
private String catalogLocation;
private Map schemaHandlers;
private String collectionWrapperName;
private Map collectionWrapperMap;
private List jaxbElementClassNames;
private Map cProperties;
private Map uProperties;
private boolean skipJaxbChecks;
private boolean singleJaxbContext;
private boolean useSingleContextForPackages;
private Class[] extraClass;
private boolean validateOutput;
private boolean validateBeforeWrite;
private ValidationEventHandler eventHandler;
private Unmarshaller.Listener unmarshallerListener;
private Marshaller.Listener marshallerListener;
private DocumentDepthProperties depthProperties;
protected static void setNamespaceMapper(Marshaller ms, Map map) throws Exception {
NamespaceMapper nsMapper = new NamespaceMapper(map);
setMarshallerProp(ms, nsMapper, NS_MAPPER_PROPERTY, NS_MAPPER_PROPERTY_INT);
}
protected static void setMarshallerProp(Marshaller ms, Object value,
String name1, String name2) throws Exception {
try {
ms.setProperty(name1, value);
} catch (PropertyException ex) {
ms.setProperty(name2, value);
}
}
public void setValidationHandler(ValidationEventHandler handler) {
eventHandler = handler;
}
public void setSingleJaxbContext(boolean useSingleContext) {
singleJaxbContext = useSingleContext;
}
public void setUseSingleContextForPackages(boolean use) {
useSingleContextForPackages = use;
}
public void setExtraClass(Class[] userExtraClass) {
extraClass = userExtraClass;
}
@Override
public void init(List cris) {
if (singleJaxbContext) {
JAXBContext context = null;
Set> allTypes = null;
if (cris != null) {
allTypes = new HashSet>(ResourceUtils.getAllRequestResponseTypes(cris, true)
.getAllTypes().keySet());
context = ResourceUtils.createJaxbContext(allTypes, extraClass, cProperties);
} else if (extraClass != null) {
allTypes = new HashSet>(Arrays.asList(extraClass));
context = ResourceUtils.createJaxbContext(allTypes, null, cProperties);
}
if (context != null) {
for (Class cls : allTypes) {
if (useSingleContextForPackages) {
packageContexts.put(PackageUtils.getPackageName(cls), context);
} else {
classContexts.put(cls, context);
}
}
}
}
}
public void setContextProperties(Map contextProperties) {
cProperties = contextProperties;
}
public void setUnmarshallerProperties(Map unmarshalProperties) {
uProperties = unmarshalProperties;
}
public void setUnmarshallAsJaxbElement(boolean value) {
unmarshalAsJaxbElement = value;
}
public void setMarshallAsJaxbElement(boolean value) {
marshalAsJaxbElement = value;
}
public void setJaxbElementClassNames(List names) {
jaxbElementClassNames = names;
}
public void setJaxbElementClassMap(Map map) {
jaxbElementClassMap = map;
}
protected void reportEmptyContentLength() {
String message = new org.apache.cxf.common.i18n.Message("EMPTY_BODY", BUNDLE).toString();
LOG.warning(message);
throw new WebApplicationException(400);
}
protected X getStreamHandlerFromCurrentMessage(Class staxCls) {
Message m = PhaseInterceptorChain.getCurrentMessage();
if (m != null) {
return staxCls.cast(m.getContent(staxCls));
}
return null;
}
protected static boolean isXmlRoot(Class cls) {
return cls.getAnnotation(XmlRootElement.class) != null;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
protected Object convertToJaxbElementIfNeeded(Object obj, Class cls, Type genericType)
throws Exception {
Class jaxbElementCls = jaxbElementClassNames == null ? null : getJaxbElementClass(cls);
boolean asJaxbElement = jaxbElementCls != null;
if (!asJaxbElement && isXmlRoot(cls)) {
return obj;
}
if (jaxbElementCls == null) {
jaxbElementCls = cls;
}
QName name = null;
String expandedName = jaxbElementClassMap.get(jaxbElementCls.getName());
if (expandedName != null) {
name = JAXRSUtils.convertStringToQName(expandedName);
} else if (marshalAsJaxbElement || asJaxbElement) {
name = getJaxbQName(jaxbElementCls, genericType, obj, false);
}
return name != null ? new JAXBElement(name, (Class)jaxbElementCls, null, obj) : obj;
}
protected Class getJaxbElementClass(Class cls) {
if (cls == Object.class) {
return null;
}
if (jaxbElementClassNames.contains(cls.getName())) {
return cls;
} else {
return getJaxbElementClass(cls.getSuperclass());
}
}
public void setCollectionWrapperName(String wName) {
collectionWrapperName = wName;
}
public void setCollectionWrapperMap(Map map) {
collectionWrapperMap = map;
}
protected void setContext(MessageContext context) {
mc = context;
}
public boolean isWriteable(Class type, Type genericType, Annotation[] anns, MediaType mt) {
if (InjectionUtils.isSupportedCollectionOrArray(type)) {
type = InjectionUtils.getActualType(genericType);
if (type == null) {
return false;
}
}
return marshalAsJaxbElement || isSupported(type, genericType, anns);
}
public void writeTo(T t, Type genericType, Annotation annotations[],
MediaType mediaType,
MultivaluedMap httpHeaders,
OutputStream entityStream) throws IOException, WebApplicationException {
@SuppressWarnings("unchecked")
Class type = (Class)t.getClass();
writeTo(t, type, genericType, annotations, mediaType, httpHeaders, entityStream);
}
protected JAXBContext getCollectionContext(Class type) throws JAXBException {
synchronized (collectionContextClasses) {
if (!collectionContextClasses.contains(type)) {
collectionContextClasses.add(CollectionWrapper.class);
collectionContextClasses.add(type);
}
return JAXBContext.newInstance(collectionContextClasses.toArray(new Class[]{}),
cProperties);
}
}
protected QName getCollectionWrapperQName(Class cls, Type type, Object object, boolean pluralName)
throws Exception {
String name = getCollectionWrapperName(cls);
if (name == null) {
return getJaxbQName(cls, type, object, pluralName);
}
return JAXRSUtils.convertStringToQName(name);
}
private String getCollectionWrapperName(Class cls) {
if (collectionWrapperName != null) {
return collectionWrapperName;
}
if (collectionWrapperMap != null) {
return collectionWrapperMap.get(cls.getName());
}
return null;
}
protected QName getJaxbQName(Class cls, Type type, Object object, boolean pluralName)
throws Exception {
if (cls == JAXBElement.class) {
return object != null ? ((JAXBElement)object).getName() : null;
}
XmlRootElement root = cls.getAnnotation(XmlRootElement.class);
if (root != null) {
return getQNameFromNamespaceAndName(root.namespace(), root.name(), cls, pluralName);
} else if (cls.getAnnotation(XmlType.class) != null) {
XmlType xmlType = cls.getAnnotation(XmlType.class);
return getQNameFromNamespaceAndName(xmlType.namespace(), xmlType.name(), cls, pluralName);
} else {
return new QName(getPackageNamespace(cls), cls.getSimpleName());
}
}
private QName getQNameFromNamespaceAndName(String ns, String localName, Class cls, boolean plural) {
String name = getLocalName(localName, cls.getSimpleName() , plural);
String namespace = getNamespace(ns);
if ("".equals(namespace)) {
namespace = getPackageNamespace(cls);
}
return new QName(namespace, name);
}
private String getLocalName(String name, String clsName, boolean pluralName) {
if (JAXB_DEFAULT_NAME.equals(name)) {
name = clsName;
if (name.length() > 1) {
name = name.substring(0, 1).toLowerCase() + name.substring(1);
} else {
name = name.toLowerCase();
}
}
if (pluralName) {
name += 's';
}
return name;
}
private String getPackageNamespace(Class cls) {
String packageNs = JAXBUtils.getPackageNamespace(cls);
return packageNs != null ? getNamespace(packageNs) : "";
}
private String getNamespace(String namespace) {
if (JAXB_DEFAULT_NAMESPACE.equals(namespace)) {
return "";
}
return namespace;
}
public boolean isReadable(Class type, Type genericType, Annotation[] anns, MediaType mt) {
if (InjectionUtils.isSupportedCollectionOrArray(type)) {
type = InjectionUtils.getActualType(genericType);
if (type == null) {
return false;
}
}
return canBeReadAsJaxbElement(type) || isSupported(type, genericType, anns);
}
protected boolean canBeReadAsJaxbElement(Class type) {
return unmarshalAsJaxbElement && type != Response.class;
}
@Deprecated
public void setSchemas(List locations) {
setSchemaLocations(locations);
}
public void setSchemaLocations(List locations) {
schema = SchemaHandler.createSchema(locations, catalogLocation, getBus());
}
public void setCatalogLocation(String name) {
this.catalogLocation = name;
}
public void setSchemaHandler(SchemaHandler handler) {
setSchema(handler.getSchema());
}
public void setSchemaHandlers(Map handlers) {
schemaHandlers = handlers;
}
protected void setSchema(Schema s) {
schema = s;
}
public long getSize(T o, Class type, Type genericType, Annotation[] annotations, MediaType mt) {
return -1;
}
protected MessageContext getContext() {
return mc;
}
@SuppressWarnings("unchecked")
public JAXBContext getJAXBContext(Class type, Type genericType) throws JAXBException {
if (mc != null) {
ContextResolver resolver =
mc.getResolver(ContextResolver.class, JAXBContext.class);
if (resolver != null) {
JAXBContext customContext = resolver.getContext(type);
if (customContext != null) {
return customContext;
}
}
}
synchronized (classContexts) {
JAXBContext context = classContexts.get(type);
if (context != null) {
return context;
}
}
JAXBContext context = getPackageContext(type);
return context != null ? context : getClassContext(type);
}
public JAXBContext getClassContext(Class type) throws JAXBException {
synchronized (classContexts) {
JAXBContext context = classContexts.get(type);
if (context == null) {
Class[] classes = null;
if (extraClass != null) {
classes = new Class[extraClass.length + 1];
classes[0] = type;
System.arraycopy(extraClass, 0, classes, 1, extraClass.length);
} else {
classes = new Class[] {type};
}
context = JAXBContext.newInstance(classes, cProperties);
classContexts.put(type, context);
}
return context;
}
}
public JAXBContext getPackageContext(Class type) {
if (type == null || type == JAXBElement.class) {
return null;
}
synchronized (packageContexts) {
String packageName = PackageUtils.getPackageName(type);
JAXBContext context = packageContexts.get(packageName);
if (context == null) {
try {
if (type.getClassLoader() != null && objectFactoryOrIndexAvailable(type)) {
String contextName = packageName;
if (extraClass != null) {
StringBuilder sb = new StringBuilder(contextName);
for (Class extra : extraClass) {
String extraPackage = PackageUtils.getPackageName(extra);
if (!extraPackage.equals(packageName)) {
sb.append(":").append(extraPackage);
}
}
contextName = sb.toString();
}
context = JAXBContext.newInstance(contextName, type.getClassLoader(), cProperties);
packageContexts.put(packageName, context);
}
} catch (JAXBException ex) {
LOG.fine("Error creating a JAXBContext using ObjectFactory : "
+ ex.getMessage());
return null;
}
}
return context;
}
}
protected boolean isSupported(Class type, Type genericType, Annotation[] anns) {
if (jaxbElementClassMap != null && jaxbElementClassMap.containsKey(type.getName())
|| isSkipJaxbChecks()) {
return true;
}
return isXmlRoot(type)
|| JAXBElement.class.isAssignableFrom(type)
|| objectFactoryOrIndexAvailable(type)
|| (type != genericType && objectFactoryForType(genericType))
|| org.apache.cxf.jaxrs.utils.JAXBUtils.getAdapter(type, anns) != null;
}
protected boolean objectFactoryOrIndexAvailable(Class type) {
return type.getResource("ObjectFactory.class") != null
|| type.getResource("jaxb.index") != null;
}
private boolean objectFactoryForType(Type genericType) {
return objectFactoryOrIndexAvailable(InjectionUtils.getActualType(genericType));
}
protected Unmarshaller createUnmarshaller(Class cls, Type genericType)
throws JAXBException {
return createUnmarshaller(cls, genericType, false);
}
protected Unmarshaller createUnmarshaller(Class cls, Type genericType, boolean isCollection)
throws JAXBException {
JAXBContext context = isCollection ? getCollectionContext(cls)
: getJAXBContext(cls, genericType);
Unmarshaller unmarshaller = context.createUnmarshaller();
Schema theSchema = getSchema(cls);
if (theSchema != null) {
unmarshaller.setSchema(theSchema);
}
if (eventHandler != null) {
unmarshaller.setEventHandler(eventHandler);
}
if (unmarshallerListener != null) {
unmarshaller.setListener(unmarshallerListener);
}
if (uProperties != null) {
for (Map.Entry entry : uProperties.entrySet()) {
unmarshaller.setProperty(entry.getKey(), entry.getValue());
}
}
return unmarshaller;
}
protected Marshaller createMarshaller(Object obj, Class cls, Type genericType, String enc)
throws JAXBException {
Class objClazz = JAXBElement.class.isAssignableFrom(cls)
? ((JAXBElement)obj).getDeclaredType() : cls;
JAXBContext context = getJAXBContext(objClazz, genericType);
Marshaller marshaller = context.createMarshaller();
if (enc != null) {
marshaller.setProperty(Marshaller.JAXB_ENCODING, enc);
}
if (marshallerListener != null) {
marshaller.setListener(marshallerListener);
}
validateObjectIfNeeded(marshaller, cls, obj);
return marshaller;
}
protected void validateObjectIfNeeded(Marshaller marshaller, Class cls, Object obj)
throws JAXBException {
if (validateOutput) {
Schema theSchema = getSchema(cls);
if (theSchema != null) {
marshaller.setEventHandler(eventHandler);
marshaller.setSchema(theSchema);
if (validateBeforeWrite) {
marshaller.marshal(obj, new DefaultHandler());
marshaller.setSchema(null);
}
}
}
}
protected Class getActualType(Class type, Type genericType, Annotation[] anns) {
Class theType = null;
if (JAXBElement.class.isAssignableFrom(type)) {
theType = InjectionUtils.getActualType(genericType);
} else {
theType = type;
}
XmlJavaTypeAdapter adapter = org.apache.cxf.jaxrs.utils.JAXBUtils.getAdapter(theType, anns);
theType = org.apache.cxf.jaxrs.utils.JAXBUtils.getTypeFromAdapter(adapter, theType, false);
return theType;
}
protected static Object checkAdapter(Object obj, Class cls, Annotation[] anns, boolean marshal) {
XmlJavaTypeAdapter adapter = org.apache.cxf.jaxrs.utils.JAXBUtils.getAdapter(cls, anns);
return org.apache.cxf.jaxrs.utils.JAXBUtils.useAdapter(obj, adapter, marshal);
}
protected Schema getSchema() {
return getSchema(null);
}
protected Schema getSchema(Class cls) {
// deal with the typical default case first
if (schema == null && schemaHandlers == null) {
return null;
}
if (schema != null) {
return schema;
} else {
SchemaHandler handler = schemaHandlers.get(cls.getName());
return handler != null ? handler.getSchema() : null;
}
}
public void clearContexts() {
classContexts.clear();
packageContexts.clear();
}
protected static String getStackTrace(Exception ex) {
StringWriter sw = new StringWriter();
ex.printStackTrace(new PrintWriter(sw));
return sw.toString();
}
//TODO: move these methods into the dedicated utility class
protected static StringBuilder handleExceptionStart(Exception e) {
LOG.warning(getStackTrace(e));
StringBuilder sb = new StringBuilder();
if (e.getMessage() != null) {
sb.append(e.getMessage()).append(". ");
}
if (e.getCause() != null && e.getCause().getMessage() != null) {
sb.append(e.getCause().getMessage()).append(". ");
}
return sb;
}
protected static void handleExceptionEnd(Throwable t, String message, boolean read) {
Response.Status status = read
? Response.Status.BAD_REQUEST : Response.Status.INTERNAL_SERVER_ERROR;
Response r = Response.status(status)
.type(MediaType.TEXT_PLAIN).entity(message).build();
throw new WebApplicationException(t, r);
}
protected static void handleJAXBException(JAXBException e, boolean read) {
StringBuilder sb = handleExceptionStart(e);
if (e.getLinkedException() != null && e.getLinkedException().getMessage() != null) {
sb.append(e.getLinkedException().getMessage()).append(". ");
}
Throwable t = e.getLinkedException() != null
? e.getLinkedException() : e.getCause() != null ? e.getCause() : e;
String message = new org.apache.cxf.common.i18n.Message("JAXB_EXCEPTION",
BUNDLE, sb.toString()).toString();
handleExceptionEnd(t, message, read);
}
protected static void handleXMLStreamException(XMLStreamException e, boolean read) {
StringBuilder sb = handleExceptionStart(e);
handleExceptionEnd(e, sb.toString(), read);
}
public void setOutTransformElements(Map outElements) {
this.outElementsMap = outElements;
}
public void setInAppendElements(Map inElements) {
this.inAppendMap = inElements;
}
public void setInTransformElements(Map inElements) {
this.inElementsMap = inElements;
}
public void setOutAppendElements(Map map) {
this.outAppendMap = map;
}
public void setOutDropElements(List dropElementsSet) {
this.outDropElements = dropElementsSet;
}
public void setInDropElements(List dropElementsSet) {
this.inDropElements = dropElementsSet;
}
public void setAttributesToElements(boolean value) {
this.attributesToElements = value;
}
public void setSkipJaxbChecks(boolean skipJaxbChecks) {
this.skipJaxbChecks = skipJaxbChecks;
}
public boolean isSkipJaxbChecks() {
return skipJaxbChecks;
}
protected XMLStreamWriter createTransformWriterIfNeeded(XMLStreamWriter writer,
OutputStream os) {
return TransformUtils.createTransformWriterIfNeeded(writer, os,
outElementsMap,
outDropElements,
outAppendMap,
attributesToElements,
null);
}
protected XMLStreamReader createTransformReaderIfNeeded(XMLStreamReader reader, InputStream is) {
return TransformUtils.createTransformReaderIfNeeded(reader, is,
inDropElements,
inElementsMap,
inAppendMap,
true);
}
protected XMLStreamReader createDepthReaderIfNeeded(XMLStreamReader reader, InputStream is) {
DocumentDepthProperties props = getDepthProperties();
if (props != null && props.isEffective()) {
reader = TransformUtils.createNewReaderIfNeeded(reader, is);
return new DepthRestrictingStreamReader(reader, props);
}
return reader;
}
protected DocumentDepthProperties getDepthProperties() {
if (depthProperties != null) {
return depthProperties;
}
if (getContext() != null) {
String totalElementCountStr = (String)getContext().getContextualProperty(
DocumentDepthProperties.TOTAL_ELEMENT_COUNT);
String innerElementCountStr = (String)getContext().getContextualProperty(
DocumentDepthProperties.INNER_ELEMENT_COUNT);
String elementLevelStr = (String)getContext().getContextualProperty(
DocumentDepthProperties.INNER_ELEMENT_LEVEL);
if (totalElementCountStr != null || innerElementCountStr != null || elementLevelStr != null) {
try {
int totalElementCount = totalElementCountStr != null
? Integer.valueOf(totalElementCountStr) : -1;
int elementLevel = elementLevelStr != null ? Integer.valueOf(elementLevelStr) : -1;
int innerElementCount = innerElementCountStr != null
? Integer.valueOf(innerElementCountStr) : -1;
return new DocumentDepthProperties(totalElementCount, elementLevel, innerElementCount);
} catch (Exception ex) {
throw new WebApplicationException(ex);
}
}
}
return null;
}
public void setValidateBeforeWrite(boolean validateBeforeWrite) {
this.validateBeforeWrite = validateBeforeWrite;
}
public void setValidateOutput(boolean validateOutput) {
this.validateOutput = validateOutput;
}
public void setDepthProperties(DocumentDepthProperties depthProperties) {
this.depthProperties = depthProperties;
}
public void setUnmarshallerListener(Unmarshaller.Listener unmarshallerListener) {
this.unmarshallerListener = unmarshallerListener;
}
public void setMarshallerListener(Marshaller.Listener marshallerListener) {
this.marshallerListener = marshallerListener;
}
@XmlRootElement
protected static class CollectionWrapper {
@XmlAnyElement(lax = true)
private List l;
public void setList(List list) {
l = list;
}
public List getList() {
if (l == null) {
l = new ArrayList();
}
return l;
}
@SuppressWarnings("unchecked")
public Object getCollectionOrArray(Class type, Class origType,
XmlJavaTypeAdapter adapter) {
List theList = getList();
boolean adapterChecked = false;
if (theList.size() > 0) {
Object first = theList.get(0);
if (first instanceof JAXBElement && !JAXBElement.class.isAssignableFrom(type)) {
adapterChecked = true;
List newList = new ArrayList(theList.size());
for (Object o : theList) {
newList.add(org.apache.cxf.jaxrs.utils.JAXBUtils.useAdapter(
((JAXBElement)o).getValue(), adapter, false));
}
theList = newList;
}
}
if (origType.isArray()) {
T[] values = (T[])Array.newInstance(type, theList.size());
for (int i = 0; i < theList.size(); i++) {
values[i] = (T)org.apache.cxf.jaxrs.utils.JAXBUtils.useAdapter(
theList.get(i), adapter, false);
}
return values;
} else {
if (!adapterChecked && adapter != null) {
List newList = new ArrayList(theList.size());
for (Object o : theList) {
newList.add(org.apache.cxf.jaxrs.utils.JAXBUtils.useAdapter(o, adapter, false));
}
theList = newList;
}
if (origType == Set.class) {
return new HashSet(theList);
} else {
return theList;
}
}
}
}
protected static class JAXBCollectionWrapperReader extends DepthXMLStreamReader {
private boolean firstName;
private boolean firstNs;
public JAXBCollectionWrapperReader(XMLStreamReader reader) {
super(reader);
}
@Override
public String getNamespaceURI() {
if (!firstNs) {
firstNs = true;
return "";
}
return super.getNamespaceURI();
}
@Override
public String getLocalName() {
if (!firstName) {
firstName = true;
return "collectionWrapper";
}
return super.getLocalName();
}
}
}
