package org.jboss.resteasy.plugins.providers.jaxb;
import org.jboss.resteasy.annotations.providers.jaxb.JAXBConfig;
import org.jboss.resteasy.util.FindAnnotation;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import java.lang.annotation.Annotation;
import java.util.concurrent.ConcurrentHashMap;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
@Provider
@Produces({"text/*+xml", "application/*+xml"})
public class XmlJAXBContextFinder extends AbstractJAXBContextFinder implements ContextResolver<JAXBContextFinder>
{
private ConcurrentHashMap<Class<?>, JAXBContext> cache = new ConcurrentHashMap<Class<?>, JAXBContext>();
private ConcurrentHashMap<CacheKey, JAXBContext> collectionCache = new ConcurrentHashMap<CacheKey, JAXBContext>();
private ConcurrentHashMap<CacheKey, JAXBContext> xmlTypeCollectionCache = new ConcurrentHashMap<CacheKey, JAXBContext>();
public JAXBContext findCachedContext(Class type, MediaType mediaType, Annotation[] parameterAnnotations) throws JAXBException
{
JAXBContext result;
JAXBContext jaxb = null;
if (type != null)
{
jaxb = cache.get((Class<?>) type);
if (jaxb != null)
{
return jaxb;
}
}
jaxb = findProvidedJAXBContext((Class<?>) type, mediaType);
if (jaxb != null)
{
cache.putIfAbsent((Class<?>) type, jaxb);
return jaxb;
}
jaxb = createContext(parameterAnnotations, type);
if (jaxb != null && type != null) cache.putIfAbsent((Class<?>) type, jaxb);
result = jaxb;
return result;
}
protected JAXBContext createContextObject(Annotation[] parameterAnnotations, Class... classes) throws JAXBException
{
JAXBConfig config = FindAnnotation.findAnnotation(parameterAnnotations, JAXBConfig.class);
return new JAXBContextWrapper(config, classes);
}
@Override
protected JAXBContext createContextObject(Annotation[] parameterAnnotations, String contextPath) throws JAXBException
{
JAXBConfig config = FindAnnotation.findAnnotation(parameterAnnotations, JAXBConfig.class);
return new JAXBContextWrapper(contextPath, config);
}
public JAXBContext findCacheContext(MediaType mediaType, Annotation[] paraAnnotations, Class... classes) throws JAXBException
{
CacheKey key = new CacheKey(classes);
JAXBContext ctx = collectionCache.get(key);
if (ctx != null) return ctx;
ctx = createContext(paraAnnotations, classes);
collectionCache.put(key, ctx);
return ctx;
}
@Override
public JAXBContext findCacheXmlTypeContext(MediaType mediaType, Annotation[] paraAnnotations, Class... classes) throws JAXBException
{
CacheKey key = new CacheKey(classes);
JAXBContext ctx = xmlTypeCollectionCache.get(key);
if (ctx != null) return ctx;
ctx = createXmlTypeContext(paraAnnotations, classes);
xmlTypeCollectionCache.put(key, ctx);
return ctx;
}
}