com.sun.jersey.core.spi.factory.AbstractRuntimeDelegate Maven / Gradle / Ivy
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package com.sun.jersey.core.spi.factory;
import com.sun.jersey.api.uri.UriBuilderImpl;
import com.sun.jersey.spi.HeaderDelegateProvider;
import com.sun.jersey.spi.service.ServiceFinder;
import java.net.URI;
import java.util.Date;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.WeakHashMap;
import javax.ws.rs.core.CacheControl;
import javax.ws.rs.core.Cookie;
import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.NewCookie;
import javax.ws.rs.core.Response.ResponseBuilder;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.Variant.VariantListBuilder;
import javax.ws.rs.ext.RuntimeDelegate;
/**
* An abstract implementation of {@link RuntimeDelegate} that
* provides support common to the client and server.
*
* @author [email protected]
*/
public abstract class AbstractRuntimeDelegate extends RuntimeDelegate {
final private Set hps =
new HashSet();
final private Map, HeaderDelegate> map =
new WeakHashMap, HeaderDelegate>();
public AbstractRuntimeDelegate() {
for (HeaderDelegateProvider p : ServiceFinder.find(HeaderDelegateProvider.class, true))
hps.add(p);
/**
* Construct a map for quick look up of known header classes
*/
map.put(EntityTag.class, _createHeaderDelegate(EntityTag.class));
map.put(MediaType.class, _createHeaderDelegate(MediaType.class));
map.put(CacheControl.class, _createHeaderDelegate(CacheControl.class));
map.put(NewCookie.class, _createHeaderDelegate(NewCookie.class));
map.put(Cookie.class, _createHeaderDelegate(Cookie.class));
map.put(URI.class, _createHeaderDelegate(URI.class));
map.put(Date.class, _createHeaderDelegate(Date.class));
map.put(String.class, _createHeaderDelegate(String.class));
}
@Override
public VariantListBuilder createVariantListBuilder() {
return new VariantListBuilderImpl();
}
@Override
public ResponseBuilder createResponseBuilder() {
return new ResponseBuilderImpl();
}
@Override
public UriBuilder createUriBuilder() {
return new UriBuilderImpl();
}
@Override
public HeaderDelegate createHeaderDelegate(Class type) {
if (type == null)
throw new IllegalArgumentException("type parameter cannot be null");
HeaderDelegate h = map.get(type);
if (h != null) return h;
return _createHeaderDelegate(type);
}
private HeaderDelegate _createHeaderDelegate(Class type) {
for (HeaderDelegateProvider hp: hps)
if (hp.supports(type))
return hp;
return null;
}
}