package org.jboss.resteasy.plugins.providers.jaxb;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Array;
import java.lang.reflect.Type;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.Providers;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlSeeAlso;
import javax.xml.bind.annotation.XmlType;
import javax.xml.namespace.QName;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.stream.StreamSource;
import org.jboss.resteasy.annotations.providers.jaxb.DoNotUseJAXBProvider;
import org.jboss.resteasy.annotations.providers.jaxb.Wrapped;
import org.jboss.resteasy.core.ResteasyContext;
import org.jboss.resteasy.core.messagebody.AsyncBufferedMessageBodyWriter;
import org.jboss.resteasy.plugins.providers.jaxb.i18n.LogMessages;
import org.jboss.resteasy.plugins.providers.jaxb.i18n.Messages;
import org.jboss.resteasy.spi.ResteasyConfiguration;
import org.jboss.resteasy.spi.util.FindAnnotation;
import org.jboss.resteasy.spi.util.Types;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;
@Provider
@Produces({"application/xml", "application/*+xml", "text/xml", "text/*+xml"})
@Consumes({"application/xml", "application/*+xml", "text/xml", "text/*+xml"})
public class CollectionProvider implements MessageBodyReader<Object>, AsyncBufferedMessageBodyWriter<Object>
{
@Context
protected Providers providers;
private boolean disableExternalEntities = true;
private boolean enableSecureProcessingFeature = true;
private boolean disableDTDs = true;
public CollectionProvider()
{
LogMessages.LOGGER.debugf("Provider : %s, Method : CollectionProvider", getClass().getName());
ResteasyConfiguration context = ResteasyContext.getContextData(ResteasyConfiguration.class);
if (context != null)
{
String s = context.getParameter("resteasy.document.expand.entity.references");
if (s != null)
{
setDisableExternalEntities(!Boolean.parseBoolean(s));
}
s = context.getParameter("resteasy.document.secure.processing.feature");
if (s != null)
{
setEnableSecureProcessingFeature(Boolean.parseBoolean(s));
}
s = context.getParameter("resteasy.document.secure.disableDTDs");
if (s != null)
{
setDisableDTDs(Boolean.parseBoolean(s));
}
}
}
protected JAXBContextFinder getFinder(MediaType type)
{
ContextResolver<JAXBContextFinder> resolver = providers.getContextResolver(JAXBContextFinder.class, type);
if (resolver == null) return null;
return resolver.getContext(null);
}
public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
{
return isWrapped(type, genericType, annotations, mediaType);
}
protected boolean isWrapped(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
{
if ((Collection.class.isAssignableFrom(type) || type.isArray()) && genericType != null)
{
Class<?> baseType = Types.getCollectionBaseType(type, genericType);
if (baseType == null) return false;
baseType = XmlAdapterWrapper.xmlAdapterValueType(baseType, annotations);
return (baseType.isAnnotationPresent(XmlRootElement.class) || baseType.isAnnotationPresent(XmlType.class) || baseType.isAnnotationPresent(XmlSeeAlso.class) || JAXBElement.class.equals(baseType)) && (FindAnnotation.findAnnotation(baseType, annotations, DoNotUseJAXBProvider.class) == null) && !IgnoredMediaTypes.ignored(baseType, annotations, mediaType);
}
return false;
}
public Object getJAXBObject(JAXBContextFinder finder, MediaType mediaType, Class<?> clazz, Element element) throws JAXBException
{
JAXBContext ctx = finder.findCachedContext(clazz, mediaType, null);
return ctx.createUnmarshaller().unmarshal(element);
}
@SuppressWarnings("unchecked")
public Object readFrom(Class<Object> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException, WebApplicationException
{
LogMessages.LOGGER.debugf("Provider : %s, Method : readFrom", getClass().getName());
JAXBContextFinder finder = getFinder(mediaType);
if (finder == null)
{
throw new JAXBUnmarshalException(Messages.MESSAGES.unableToFindJAXBContext(mediaType));
}
Class baseType = Types.getCollectionBaseType(type, genericType);
XmlAdapterWrapper xmlAdapter = XmlAdapterWrapper.getXmlAdapter(baseType, annotations);
JaxbCollection col = null;
try
{
JAXBElement<JaxbCollection> ele = null;
if (needsSecurity())
{
SAXSource source = null;
if (getCharset(mediaType) == null)
{
source = new SAXSource(new InputSource(new InputStreamReader(entityStream, StandardCharsets.UTF_8)));
}
else
{
source = new SAXSource(new InputSource(entityStream));
}
JAXBContext ctx = finder.findCachedContext(JaxbCollection.class, mediaType, annotations);
Unmarshaller unmarshaller = ctx.createUnmarshaller();
unmarshaller = new SecureUnmarshaller(unmarshaller, disableExternalEntities, enableSecureProcessingFeature, disableDTDs);
ele = unmarshaller.unmarshal(source, JaxbCollection.class);
}
else
{
StreamSource source = null;
if (getCharset(mediaType) == null)
{
source = new StreamSource(new InputStreamReader(entityStream, StandardCharsets.UTF_8));
}
else
{
source = new StreamSource(entityStream);
}
JAXBContext ctx = finder.findCachedContext(JaxbCollection.class, mediaType, annotations);
ele = ctx.createUnmarshaller().unmarshal(source, JaxbCollection.class);
}
Wrapped wrapped = FindAnnotation.findAnnotation(annotations, Wrapped.class);
if (wrapped != null)
{
if (!wrapped.element().equals(ele.getName().getLocalPart()))
{
throw new JAXBUnmarshalException(Messages.MESSAGES.collectionWrappingFailedLocalPart(wrapped.element(), ele.getName().getLocalPart()));
}
if (!wrapped.namespace().equals(ele.getName().getNamespaceURI()))
{
throw new JAXBUnmarshalException(Messages.MESSAGES.collectionWrappingFailedNamespace(wrapped.namespace(), ele.getName().getNamespaceURI()));
}
}
col = ele.getValue();
}
catch (JAXBException e)
{
throw new JAXBUnmarshalException(e);
}
try
{
JAXBContext ctx = null;
if (xmlAdapter != null)
{
Class<?> adaptedType = xmlAdapter.getValueType();
ctx = finder.findCachedContext(adaptedType, mediaType, null);
}
else
{
ctx = finder.findCachedContext(baseType, mediaType, null);
}
Unmarshaller unmarshaller = ctx.createUnmarshaller();
unmarshaller = AbstractJAXBProvider.decorateUnmarshaller(baseType, annotations, mediaType, unmarshaller);
if (type.isArray())
{
Object array = Array.newInstance(baseType, col.getValue().size());
for (int i = 0; i < col.getValue().size(); i++)
{
Element val = (Element) col.getValue().get(i);
Object o = unmarshaller.unmarshal(val);
if (xmlAdapter != null)
{
try
{
o = xmlAdapter.unmarshal(o);
}
catch (Exception e)
{
throw new JAXBUnmarshalException(e);
}
}
Array.set(array, i, o);
}
return array;
}
else
{
Collection outCol = null;
if (type.isInterface())
{
if (List.class.isAssignableFrom(type)) outCol = new ArrayList();
else if (SortedSet.class.isAssignableFrom(type)) outCol = new TreeSet();
else if (Set.class.isAssignableFrom(type)) outCol = new HashSet();
else outCol = new ArrayList();
}
else
{
try
{
outCol = (Collection) type.newInstance();
}
catch (Exception e)
{
throw new JAXBUnmarshalException(e);
}
}
for (Object obj : col.getValue())
{
Element val = (Element) obj;
Object o = unmarshaller.unmarshal(val);
if (xmlAdapter != null)
{
try
{
o = xmlAdapter.unmarshal(o);
}
catch (Exception e)
{
throw new JAXBUnmarshalException(e);
}
}
outCol.add(o);
}
return outCol;
}
}
catch (JAXBException e)
{
throw new JAXBUnmarshalException(e);
}
}
public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
{
return isWrapped(type, genericType, annotations, mediaType);
}
public long getSize(Object entry, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
{
return -1;
}
public void writeTo(Object entry, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException
{
LogMessages.LOGGER.debugf("Provider : %s, Method : writeTo", getClass().getName());
JAXBContextFinder finder = getFinder(mediaType);
if (finder == null)
{
throw new JAXBMarshalException(Messages.MESSAGES.unableToFindJAXBContext(mediaType));
}
Class baseType = Types.getCollectionBaseType(type, genericType);
XmlAdapterWrapper xmlAdapter = XmlAdapterWrapper.getXmlAdapter(baseType, annotations);
if (xmlAdapter != null)
{
baseType = xmlAdapter.getValueType();
}
try
{
JAXBContext ctx = finder.findCacheContext(mediaType, annotations, JaxbCollection.class, baseType);
JaxbCollection col = new JaxbCollection();
if (type.isArray())
{
Object[] array = (Object[]) entry;
for (Object obj : array)
{
if (xmlAdapter != null)
{
try
{
obj = xmlAdapter.marshal(obj);
}
catch (Exception e)
{
throw new JAXBUnmarshalException(e);
}
}
col.getValue().add(obj);
}
}
else
{
Collection collection = (Collection) entry;
for (Object obj : collection)
{
if (xmlAdapter != null)
{
try
{
obj = xmlAdapter.marshal(obj);
}
catch (Exception e)
{
throw new JAXBUnmarshalException(e);
}
}
col.getValue().add(obj);
}
}
String element = "collection";
String namespaceURI = "";
String prefix = "";
Wrapped wrapped = FindAnnotation.findAnnotation(annotations, Wrapped.class);
if (wrapped != null)
{
element = wrapped.element();
namespaceURI = wrapped.namespace();
prefix = wrapped.prefix();
}
JAXBElement<JaxbCollection> collection = new JAXBElement<JaxbCollection>(new QName(namespaceURI, element, prefix), JaxbCollection.class, col);
Marshaller marshaller = ctx.createMarshaller();
AbstractJAXBProvider.decorateMarshaller(baseType, annotations, mediaType, marshaller);
marshaller.marshal(collection, entityStream);
}
catch (JAXBException e)
{
throw new JAXBMarshalException(e);
}
}
public boolean isDisableExternalEntities()
{
return disableExternalEntities;
}
public void setDisableExternalEntities(boolean disableExternalEntities)
{
this.disableExternalEntities = disableExternalEntities;
}
public boolean isEnableSecureProcessingFeature()
{
return enableSecureProcessingFeature;
}
public void setEnableSecureProcessingFeature(boolean enableSecureProcessingFeature)
{
this.enableSecureProcessingFeature = enableSecureProcessingFeature;
}
public boolean isDisableDTDs()
{
return disableDTDs;
}
public void setDisableDTDs(boolean disableDTDs)
{
this.disableDTDs = disableDTDs;
}
public static String getCharset(final MediaType mediaType)
{
if (mediaType != null)
{
return mediaType.getParameters().get("charset");
}
return null;
}
protected boolean needsSecurity()
{
return true;
}
}
CollectionProvider
disableExternalEntities: boolean
needsSecurity(): boolean
http://rest-easy.org/resteasy-jaxb-provider:
(JBoss by Red Hat)