001/* 002 * (C) Copyright 2006-2010 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bstefanescu 018 */ 019package org.nuxeo.ecm.webengine.app.jersey; 020 021import java.lang.reflect.Type; 022import java.util.Set; 023 024import javax.ws.rs.core.Context; 025import javax.ws.rs.ext.Provider; 026 027import org.nuxeo.ecm.webengine.WebEngine; 028import org.nuxeo.ecm.webengine.app.WebEngineApplication; 029import org.nuxeo.ecm.webengine.model.WebContext; 030 031import com.sun.jersey.core.spi.component.ComponentContext; 032import com.sun.jersey.core.spi.component.ComponentScope; 033import com.sun.jersey.spi.inject.Injectable; 034import com.sun.jersey.spi.inject.InjectableProvider; 035 036/** 037 * Experimental - Can be used to inject WebContext through {@code @Context} annotation. Do not use it for now. 038 * 039 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 040 */ 041@Provider 042public class JerseyApplication extends WebEngineApplication implements InjectableProvider<Context, Type> { 043 044 @Override 045 public Set<Object> getSingletons() { 046 Set<Object> set = super.getSingletons(); 047 set.add(this); 048 return set; 049 } 050 051 @Override 052 public ComponentScope getScope() { 053 return ComponentScope.PerRequest; 054 } 055 056 @Override 057 public Injectable<?> getInjectable(ComponentContext cc, Context a, Type t) { 058 if (!(t instanceof Class<?>)) { 059 return null; 060 } 061 Class<?> c = (Class<?>) t; 062 if (c == WebContext.class) { 063 return new Injectable<Object>() { 064 @Override 065 public Object getValue() { 066 return WebEngine.getActiveContext(); 067 } 068 }; 069 } 070 return null; 071 } 072 073}