| /* |
| * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.ws.api.server; |
| |
| import com.sun.istack.internal.Nullable; |
| import com.sun.istack.internal.localization.Localizable; |
| import com.sun.xml.internal.ws.api.server.InstanceResolver; |
| import com.sun.xml.internal.ws.api.server.ResourceInjector; |
| import com.sun.xml.internal.ws.api.server.WSEndpoint; |
| import com.sun.xml.internal.ws.resources.ServerMessages; |
| import com.sun.xml.internal.ws.server.ServerRtException; |
| |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| |
| /** |
| * Partial implementation of {@link InstanceResolver} with |
| * convenience methods to do the resource injection. |
| * |
| * @author Kohsuke Kawaguchi |
| * @since 2.2.6 |
| */ |
| public abstract class AbstractInstanceResolver<T> extends InstanceResolver<T> { |
| |
| protected static ResourceInjector getResourceInjector(WSEndpoint endpoint) { |
| ResourceInjector ri = endpoint.getContainer().getSPI(ResourceInjector.class); |
| if(ri==null) |
| ri = ResourceInjector.STANDALONE; |
| return ri; |
| } |
| |
| /** |
| * Helper for invoking a method with elevated privilege. |
| */ |
| protected static void invokeMethod(final @Nullable Method method, final Object instance, final Object... args) { |
| if(method==null) return; |
| AccessController.doPrivileged(new PrivilegedAction<Void>() { |
| public Void run() { |
| try { |
| if (!method.isAccessible()) { |
| method.setAccessible(true); |
| } |
| MethodUtil.invoke(instance,method, args); |
| } catch (IllegalAccessException e) { |
| throw new ServerRtException("server.rt.err",e); |
| } catch (InvocationTargetException e) { |
| throw new ServerRtException("server.rt.err",e); |
| } |
| return null; |
| } |
| }); |
| } |
| |
| /** |
| * Finds the method that has the given annotation, while making sure that |
| * there's only at most one such method. |
| */ |
| protected final @Nullable Method findAnnotatedMethod(Class clazz, Class<? extends Annotation> annType) { |
| boolean once = false; |
| Method r = null; |
| for(Method method : clazz.getDeclaredMethods()) { |
| if (method.getAnnotation(annType) != null) { |
| if (once) |
| throw new ServerRtException(ServerMessages.ANNOTATION_ONLY_ONCE(annType)); |
| if (method.getParameterTypes().length != 0) |
| throw new ServerRtException(ServerMessages.NOT_ZERO_PARAMETERS(method)); |
| r = method; |
| once = true; |
| } |
| } |
| return r; |
| } |
| } |