protected void marshalCollection(
Class<?> originalCls,
Object collection,
Type genericType,
String enc,
OutputStream os,
MediaType m,
Annotation[] anns)
throws Exception {
Class<?> actualClass = InjectionUtils.getActualType(genericType);
actualClass = getActualType(actualClass, genericType, anns);
Collection<?> c =
originalCls.isArray() ? Arrays.asList((Object[]) collection) : (Collection<?>) collection;
Iterator<?> it = c.iterator();
Object firstObj = it.hasNext() ? it.next() : null;
QName qname = null;
if (firstObj instanceof JAXBElement) {
JAXBElement<?> el = (JAXBElement<?>) firstObj;
qname = el.getName();
actualClass = el.getDeclaredType();
} else {
qname = getCollectionWrapperQName(actualClass, genericType, firstObj, true);
}
if (qname == null) {
String message =
new org.apache.cxf.common.i18n.Message("NO_COLLECTION_ROOT", BUNDLE).toString();
throw new WebApplicationException(Response.serverError().entity(message).build());
}
StringBuilder pi = new StringBuilder();
pi.append(XML_PI_START + (enc == null ? "UTF-8" : enc) + "\"?>");
os.write(pi.toString().getBytes());
String startTag = null;
String endTag = null;
if (qname.getNamespaceURI().length() > 0) {
String prefix = nsPrefixes.get(qname.getNamespaceURI());
if (prefix == null) {
prefix = "ns1";
}
startTag =
"<"
+ prefix
+ ":"
+ qname.getLocalPart()
+ " xmlns:"
+ prefix
+ "=\""
+ qname.getNamespaceURI()
+ "\">";
endTag = "</" + prefix + ":" + qname.getLocalPart() + ">";
} else {
startTag = "<" + qname.getLocalPart() + ">";
endTag = "</" + qname.getLocalPart() + ">";
}
os.write(startTag.getBytes());
if (firstObj != null) {
XmlJavaTypeAdapter adapter =
org.apache.cxf.jaxrs.utils.JAXBUtils.getAdapter(firstObj.getClass(), anns);
marshalCollectionMember(
JAXBUtils.useAdapter(firstObj, adapter, true),
actualClass,
genericType,
enc,
os,
anns,
m,
qname.getNamespaceURI());
while (it.hasNext()) {
marshalCollectionMember(
JAXBUtils.useAdapter(it.next(), adapter, true),
actualClass,
genericType,
enc,
os,
anns,
m,
qname.getNamespaceURI());
}
}
os.write(endTag.getBytes());
}
public T readFrom(
Class<T> type,
Type genericType,
Annotation[] anns,
MediaType mt,
MultivaluedMap<String, String> headers,
InputStream is)
throws IOException {
if (isPayloadEmpty(headers)) {
if (AnnotationUtils.getAnnotation(anns, Nullable.class) != null) {
return null;
} else {
reportEmptyContentLength();
}
}
XMLStreamReader reader = null;
Unmarshaller unmarshaller = null;
try {
boolean isCollection = InjectionUtils.isSupportedCollectionOrArray(type);
Class<?> theGenericType = isCollection ? InjectionUtils.getActualType(genericType) : type;
Class<?> theType = getActualType(theGenericType, genericType, anns);
unmarshaller = createUnmarshaller(theType, genericType, isCollection);
addAttachmentUnmarshaller(unmarshaller);
Object response = null;
if (JAXBElement.class.isAssignableFrom(type)
|| !isCollection
&& (unmarshalAsJaxbElement
|| jaxbElementClassMap != null
&& jaxbElementClassMap.containsKey(theType.getName()))) {
reader = getStreamReader(is, type, mt);
reader = TransformUtils.createNewReaderIfNeeded(reader, is);
if (JAXBElement.class.isAssignableFrom(type) && type == theType) {
response = unmarshaller.unmarshal(reader);
} else {
response = unmarshaller.unmarshal(reader, theType);
}
} else {
response = doUnmarshal(unmarshaller, type, is, anns, mt);
}
if (response instanceof JAXBElement && !JAXBElement.class.isAssignableFrom(type)) {
response = ((JAXBElement<?>) response).getValue();
}
if (isCollection) {
response =
((CollectionWrapper) response)
.getCollectionOrArray(
unmarshaller,
theType,
type,
genericType,
org.apache.cxf.jaxrs.utils.JAXBUtils.getAdapter(theGenericType, anns));
} else {
response = checkAdapter(response, type, anns, false);
}
return type.cast(response);
} catch (JAXBException e) {
handleJAXBException(e, true);
} catch (DepthExceededStaxException e) {
throw ExceptionUtils.toWebApplicationException(null, JAXRSUtils.toResponse(413));
} catch (WebApplicationException e) {
throw e;
} catch (Exception e) {
LOG.warning(ExceptionUtils.getStackTrace(e));
throw ExceptionUtils.toBadRequestException(e, null);
} finally {
try {
StaxUtils.close(reader);
} catch (XMLStreamException e) {
// Ignore
}
JAXBUtils.closeUnmarshaller(unmarshaller);
}
// unreachable
return null;
}