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eclipse-lyo#226 OslcXmlProvider / OslcRdfXmlProvider always returns i…
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…sReadable=true
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@jhemm2
jhemm2 committed Dec 14, 2021
1 parent 96d5d71 commit b27b256
Showing 1 changed file with 89 additions and 159 deletions.
248 changes: 89 additions & 159 deletions ...-jena-provider/src/main/java/org/eclipse/lyo/oslc4j/provider/jena/OslcRdfXmlProvider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -41,229 +41,159 @@
import org.eclipse.lyo.oslc4j.core.model.ResponseInfoCollection;

/**
* @author Russell Boykin, Alberto Giammaria, Chris Peters, Gianluca Bernardini, Steve Pitschke
* @author Russell Boykin, Alberto Giammaria, Chris Peters, Gianluca Bernardini,
* Steve Pitschke
*/
@Provider
@Produces({OslcMediaType.APPLICATION_RDF_XML})
@Consumes({OslcMediaType.APPLICATION_RDF_XML})
public class OslcRdfXmlProvider
extends AbstractOslcRdfXmlProvider
implements MessageBodyReader<Object>,
MessageBodyWriter<Object>
{
public OslcRdfXmlProvider()
{
@Produces({ OslcMediaType.APPLICATION_RDF_XML })
@Consumes({ OslcMediaType.APPLICATION_RDF_XML })
public class OslcRdfXmlProvider extends AbstractOslcRdfXmlProvider
implements MessageBodyReader<Object>, MessageBodyWriter<Object> {
public OslcRdfXmlProvider() {

super();
}

@Override
public boolean isWriteable(final Class<?> type,
final Type genericType,
final Annotation[] annotations,
final MediaType mediaType)
{
public boolean isWriteable(final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType) {
Class<?> actualType;

if (FilteredResource.class.isAssignableFrom(type) &&
(genericType instanceof ParameterizedType))
{
ParameterizedType parameterizedType = (ParameterizedType)genericType;

if (FilteredResource.class.isAssignableFrom(type) && (genericType instanceof ParameterizedType)) {
ParameterizedType parameterizedType = (ParameterizedType) genericType;
Type[] actualTypeArguments = parameterizedType.getActualTypeArguments();

if (actualTypeArguments.length != 1)
{

if (actualTypeArguments.length != 1) {
return false;
}

if (actualTypeArguments[0] instanceof Class<?>)
{
actualType = (Class<?>)actualTypeArguments[0];
}
else if (actualTypeArguments[0] instanceof ParameterizedType)
{
parameterizedType = (ParameterizedType)actualTypeArguments[0];

if (actualTypeArguments[0] instanceof Class<?>) {
actualType = (Class<?>) actualTypeArguments[0];
} else if (actualTypeArguments[0] instanceof ParameterizedType) {
parameterizedType = (ParameterizedType) actualTypeArguments[0];
actualTypeArguments = parameterizedType.getActualTypeArguments();

if (actualTypeArguments.length != 1 ||
! (actualTypeArguments[0] instanceof Class<?>))
{

if (actualTypeArguments.length != 1 || !(actualTypeArguments[0] instanceof Class<?>)) {
return false;
}

actualType = (Class<?>)actualTypeArguments[0];
}
else if (actualTypeArguments[0] instanceof GenericArrayType)
{
GenericArrayType genericArrayType =
(GenericArrayType)actualTypeArguments[0];

actualType = (Class<?>) actualTypeArguments[0];
} else if (actualTypeArguments[0] instanceof GenericArrayType) {
GenericArrayType genericArrayType = (GenericArrayType) actualTypeArguments[0];
Type componentType = genericArrayType.getGenericComponentType();

if (! (componentType instanceof Class<?>))
{

if (!(componentType instanceof Class<?>)) {
return false;
}

actualType = (Class<?>)componentType;
}
else
{

actualType = (Class<?>) componentType;
} else {
return false;
}

Type rawType = parameterizedType.getRawType();
if (URI.class.equals(actualType)
&& (ResponseInfoCollection.class.equals(rawType) || ResponseInfoArray.class.equals(rawType)))
{
&& (ResponseInfoCollection.class.equals(rawType) || ResponseInfoArray.class.equals(rawType))) {
return true;
}
}
else
{
}
} else {
actualType = type;
}

return ProviderHelper.isSingleResourceType(actualType);
}

@Override
public void writeTo(final Object object,
final Class<?> type,
final Type genericType,
final Annotation[] annotations,
final MediaType mediaType,
final MultivaluedMap<String, Object> map,
final OutputStream outputStream)
throws IOException,
WebApplicationException
{
Object[] objects;
Map<String, Object> properties = null;
String descriptionURI = null;
String responseInfoURI = null;
ResponseInfo<?> responseInfo = null;

if (object instanceof FilteredResource<?>)
{
final FilteredResource<?> filteredResource =
(FilteredResource<?>)object;

public void writeTo(final Object object, final Class<?> type, final Type genericType,
final Annotation[] annotations, final MediaType mediaType, final MultivaluedMap<String, Object> map,
final OutputStream outputStream) throws IOException, WebApplicationException {
Object[] objects;
Map<String, Object> properties = null;
String descriptionURI = null;
String responseInfoURI = null;
ResponseInfo<?> responseInfo = null;

if (object instanceof FilteredResource<?>) {
final FilteredResource<?> filteredResource = (FilteredResource<?>) object;

properties = filteredResource.properties();

if (filteredResource instanceof ResponseInfo<?>)
{
responseInfo = (ResponseInfo<?>)filteredResource;


if (filteredResource instanceof ResponseInfo<?>) {
responseInfo = (ResponseInfo<?>) filteredResource;

String requestURI = OSLC4JUtils.resolveURI(httpServletRequest, true);
responseInfoURI = requestURI;

FilteredResource<?> container = responseInfo.getContainer();
if (container != null)
{
if (container != null) {
URI containerAboutURI = container.getAbout();
if (containerAboutURI != null)
{
if (containerAboutURI != null) {
descriptionURI = containerAboutURI.toString();
}
}
if (null == descriptionURI)
{
}
if (null == descriptionURI) {
descriptionURI = requestURI;
}

final String queryString = httpServletRequest.getQueryString();

if ((queryString != null) &&
(ProviderHelper.isOslcQuery(queryString)))
{

if ((queryString != null) && (ProviderHelper.isOslcQuery(queryString))) {
responseInfoURI += "?" + queryString;
}

if (filteredResource instanceof ResponseInfoArray<?>)
{
objects = ((ResponseInfoArray<?>)filteredResource).array();
}
else
{
Collection<?> collection =
((ResponseInfoCollection<?>)filteredResource).collection();


if (filteredResource instanceof ResponseInfoArray<?>) {
objects = ((ResponseInfoArray<?>) filteredResource).array();
} else {
Collection<?> collection = ((ResponseInfoCollection<?>) filteredResource).collection();

objects = collection.toArray(new Object[0]);
}
}
else
{
} else {
Object nestedObject = filteredResource.resource();

if (nestedObject instanceof Object[])
{
objects = (Object[])nestedObject;
}
else if (nestedObject instanceof Collection<?>)
{
objects = ((Collection<?>)nestedObject).toArray();
}
else
{

if (nestedObject instanceof Object[]) {
objects = (Object[]) nestedObject;
} else if (nestedObject instanceof Collection<?>) {
objects = ((Collection<?>) nestedObject).toArray();
} else {
objects = new Object[] { object };
}
}
}
else
{
} else {
objects = new Object[] { object };
}

writeTo(objects,
mediaType,
map,
outputStream,
properties,
descriptionURI,
responseInfoURI,
responseInfo);

writeTo(objects, mediaType, map, outputStream, properties, descriptionURI, responseInfoURI, responseInfo);
}

@Override
public boolean isReadable(final Class<?> type,
final Type genericType,
final Annotation[] annotations,
final MediaType mediaType)
{
return true;
public boolean isReadable(final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType) {
return isReadable(type, mediaType, OslcMediaType.APPLICATION_RDF_XML_TYPE, OslcMediaType.APPLICATION_XML_TYPE,
OslcMediaType.TEXT_XML_TYPE, OslcMediaType.TEXT_TURTLE_TYPE);
}

@Override
public Object readFrom(final Class<Object> type,
final Type genericType,
final Annotation[] annotations,
final MediaType mediaType,
final MultivaluedMap<String, String> map,
final InputStream inputStream)
throws IOException,
WebApplicationException
{
final Object[] objects = readFrom(type,
mediaType,
map,
inputStream);

if ((objects != null) &&
(objects.length > 0))
{
public Object readFrom(final Class<Object> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType, final MultivaluedMap<String, String> map, final InputStream inputStream)
throws IOException, WebApplicationException {
final Object[] objects = readFrom(type, mediaType, map, inputStream);

if ((objects != null) && (objects.length > 0)) {
// Fix for https://bugs.eclipse.org/bugs/show_bug.cgi?id=412755
if (OSLC4JUtils.useBeanClassForParsing() && objects.length > 1) {
throw new IOException("Object length should not be greater than 1.");
}
}

return objects[0];
}

return null;
}

@Override
public long getSize(final Object object, final Class<?> type, final Type genericType,
final Annotation[] annotation, final MediaType mediaType) {
public long getSize(final Object object, final Class<?> type, final Type genericType, final Annotation[] annotation,
final MediaType mediaType) {
return ProviderHelper.CANNOT_BE_DETERMINED_IN_ADVANCE;
}
}

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