| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.openejb.server.cxf.rs; |
| |
| import org.apache.cxf.jaxrs.ext.ContextProvider; |
| import org.apache.cxf.jaxrs.ext.MessageContext; |
| import org.apache.cxf.jaxrs.model.ClassResourceInfo; |
| import org.apache.cxf.jaxrs.model.OperationResourceInfo; |
| import org.apache.cxf.jaxrs.provider.ProviderFactory; |
| import org.apache.cxf.jaxrs.utils.JAXRSUtils; |
| import org.apache.cxf.message.Exchange; |
| import org.apache.cxf.message.Message; |
| import org.apache.openejb.cdi.CdiAppContextsService; |
| import org.apache.openejb.rest.ThreadLocalContextManager; |
| import org.apache.openejb.threads.task.CUTask; |
| |
| import javax.annotation.Resource; |
| import javax.enterprise.concurrent.ManagedExecutorService; |
| import javax.enterprise.concurrent.ManagedTaskListener; |
| import javax.servlet.ServletConfig; |
| import javax.servlet.ServletContext; |
| import javax.servlet.ServletRequest; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.ws.rs.container.ResourceContext; |
| import javax.ws.rs.container.ResourceInfo; |
| import javax.ws.rs.core.Application; |
| import javax.ws.rs.core.Configuration; |
| import javax.ws.rs.core.Context; |
| import javax.ws.rs.core.HttpHeaders; |
| import javax.ws.rs.core.Request; |
| import javax.ws.rs.core.SecurityContext; |
| import javax.ws.rs.core.UriInfo; |
| import javax.ws.rs.ext.ContextResolver; |
| import javax.ws.rs.ext.Providers; |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Field; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.Future; |
| |
| public final class Contexts { |
| private static final ThreadLocal<Exchange> EXCHANGE = new ThreadLocal<>(); |
| private static final Set<Class<?>> CONTEXT_CLASSES = contextClasses(); |
| |
| private Contexts() { |
| // no-op |
| } |
| |
| public static Collection<Class<?>> findContextFields(final Class<?> cls, final Collection<Class<?>> types) { |
| if (cls == Object.class || cls == null) { |
| return Collections.emptyList(); |
| } |
| for (final Field f : cls.getDeclaredFields()) { |
| for (final Annotation a : f.getAnnotations()) { |
| if (a.annotationType() == Context.class || a.annotationType() == Resource.class |
| && isContextClass(f.getType())) { |
| types.add(f.getType()); |
| } |
| } |
| } |
| findContextFields(cls.getSuperclass(), types); |
| return types; |
| } |
| |
| private static boolean isContextClass(final Class<?> type) { |
| return CONTEXT_CLASSES.contains(type); |
| } |
| |
| private static Set<Class<?>> contextClasses() { |
| final Set<Class<?>> classes = new HashSet<>(); classes.add(UriInfo.class); |
| classes.add(SecurityContext.class); |
| classes.add(HttpHeaders.class); |
| classes.add(ContextResolver.class); |
| classes.add(Providers.class); |
| classes.add(Request.class); |
| /* TODO: when we have jaxrs 2 |
| classes.add(ResourceInfo.class); |
| classes.add(ResourceContext.class); |
| */ |
| classes.add(Application.class); |
| classes.add(HttpServletRequest.class); |
| classes.add(HttpServletResponse.class); |
| classes.add(ServletConfig.class); |
| classes.add(ServletContext.class); |
| classes.add(MessageContext.class); |
| return classes; |
| } |
| |
| @SuppressWarnings("UnusedDeclaration") |
| public static void bind(final Exchange exchange) { |
| if (exchange == null) { |
| return; |
| } |
| |
| final ClassResourceInfo cri = exchange.get(OperationResourceInfo.class).getClassResourceInfo(); |
| |
| // binding context fields |
| final Set<Class<?>> types = new HashSet<>(); |
| for (final Field field : cri.getContextFields()) { |
| types.add(field.getType()); |
| } |
| |
| bind(exchange, types); |
| } |
| |
| /** |
| * Using a set ensures we don't set the thread local twice or more, |
| * there may be super classes with injection points of identical types |
| * |
| * Also allows us to get context references from other sources such as interceptors |
| * |
| * @param exchange Exchange |
| * @param types Collection |
| */ |
| public static void bind(final Exchange exchange, final Collection<Class<?>> types) { |
| EXCHANGE.set(exchange); // used in lazy mode by RESTResourceFinder if cdi beans uses @Context, === initThreadLocal |
| CdiAppContextsService.pushRequestReleasable(CleanUpThreadLocal.INSTANCE); |
| |
| for (final Class<?> type : types) { |
| if (Request.class.equals(type)) { |
| final Request binding = JAXRSUtils.createContextValue(exchange.getInMessage(), null, Request.class); |
| ThreadLocalContextManager.REQUEST.set(binding); |
| } else if (UriInfo.class.equals(type)) { |
| final UriInfo binding = JAXRSUtils.createContextValue(exchange.getInMessage(), null, UriInfo.class); |
| ThreadLocalContextManager.URI_INFO.set(binding); |
| } else if (HttpHeaders.class.equals(type)) { |
| final HttpHeaders binding = JAXRSUtils.createContextValue(exchange.getInMessage(), null, HttpHeaders.class); |
| ThreadLocalContextManager.HTTP_HEADERS.set(binding); |
| } else if (SecurityContext.class.equals(type)) { |
| final SecurityContext binding = JAXRSUtils.createContextValue(exchange.getInMessage(), null, SecurityContext.class); |
| ThreadLocalContextManager.SECURITY_CONTEXT.set(binding); |
| } else if (ContextResolver.class.equals(type)) { |
| final ContextResolver<?> binding = JAXRSUtils.createContextValue(exchange.getInMessage(), type, ContextResolver.class); |
| ThreadLocalContextManager.CONTEXT_RESOLVER.set(binding); |
| } else if (Providers.class.equals(type)) { |
| final Providers providers = JAXRSUtils.createContextValue(exchange.getInMessage(), null, Providers.class); |
| ThreadLocalContextManager.PROVIDERS.set(providers); |
| } else if (ServletRequest.class.equals(type)) { |
| ServletRequest servletRequest = JAXRSUtils.createContextValue(exchange.getInMessage(), null, ServletRequest.class); |
| if (servletRequest == null) { // probably the case with CXF |
| servletRequest = JAXRSUtils.createContextValue(exchange.getInMessage(), null, HttpServletRequest.class); |
| } |
| ThreadLocalContextManager.SERVLET_REQUEST.set(servletRequest); |
| } else if (HttpServletRequest.class.equals(type)) { |
| final HttpServletRequest httpServletRequest = JAXRSUtils.createContextValue(exchange.getInMessage(), null, HttpServletRequest.class); |
| ThreadLocalContextManager.HTTP_SERVLET_REQUEST.set(httpServletRequest); |
| } else if (HttpServletResponse.class.equals(type)) { |
| final HttpServletResponse httpServletResponse = JAXRSUtils.createContextValue(exchange.getInMessage(), null, HttpServletResponse.class); |
| ThreadLocalContextManager.HTTP_SERVLET_RESPONSE.set(httpServletResponse); |
| } else if (ServletConfig.class.equals(type)) { |
| final ServletConfig servletConfig = JAXRSUtils.createContextValue(exchange.getInMessage(), null, ServletConfig.class); |
| ThreadLocalContextManager.SERVLET_CONFIG.set(servletConfig); |
| } else if (Configuration.class.equals(type)) { |
| final Configuration config = JAXRSUtils.createContextValue(exchange.getInMessage(), null, Configuration.class); |
| ThreadLocalContextManager.CONFIGURATION.set(config); |
| } else if (ResourceInfo.class.equals(type)) { |
| final ResourceInfo config = JAXRSUtils.createContextValue(exchange.getInMessage(), null, ResourceInfo.class); |
| ThreadLocalContextManager.RESOURCE_INFO.set(config); |
| } else if (ResourceContext.class.equals(type)) { |
| final ResourceContext config = JAXRSUtils.createContextValue(exchange.getInMessage(), null, ResourceContext.class); |
| ThreadLocalContextManager.RESOURCE_CONTEXT.set(config); |
| } else if (Application.class.equals(type)) { |
| final Application config = JAXRSUtils.createContextValue(exchange.getInMessage(), null, Application.class); |
| ThreadLocalContextManager.APPLICATION.set(config); |
| } else { |
| final Message message = exchange.getInMessage(); |
| final ContextProvider<?> provider = ProviderFactory.getInstance(message).createContextProvider(type, message); |
| if (provider != null) { |
| final Object value = provider.createContext(message); |
| Map<String, Object> map = ThreadLocalContextManager.OTHERS.get(); |
| if (map == null) { |
| map = new HashMap<>(); |
| ThreadLocalContextManager.OTHERS.set(map); |
| } |
| map.put(type.getName(), value); |
| } |
| } |
| } |
| } |
| |
| public static <T> T find(final Class<T> clazz) { |
| final Message m = JAXRSUtils.getCurrentMessage(); |
| if (m != null) { |
| return JAXRSUtils.createContextValue(m, null, clazz); |
| } |
| final Exchange exchange = EXCHANGE.get(); |
| if (exchange == null) { |
| throw new IllegalStateException("No CXF message usable for JAX-RS @Context injections in that thread so can't use " + clazz); |
| } |
| return JAXRSUtils.createContextValue(exchange.getInMessage(), null, clazz); |
| } |
| |
| public static Object state() { |
| return EXCHANGE.get(); |
| } |
| |
| public static Object restore(final Object oldState) { |
| final Object old = state(); |
| EXCHANGE.set(Exchange.class.cast(oldState)); |
| return old; |
| } |
| |
| private static class CleanUpThreadLocal implements Runnable { |
| public static final Runnable INSTANCE = new CleanUpThreadLocal(); |
| |
| @Override |
| public void run() { |
| EXCHANGE.remove(); |
| ThreadLocalContextManager.reset(); |
| } |
| } |
| } |