jdk8-mips64-public/jaxws: comparison src/share/jaxws_classes/com/sun/xml/internal/ws/util/InjectionPlan.java

--1:000000000000
+:373ffda63c9a
+/*
+* Copyright (c) 1997, 2012, 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.util;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.Callable;
+import javax.annotation.Resource;
+import javax.xml.ws.WebServiceException;
+/**
+* Encapsulates which field/method the injection is done, and performs the
+* injection.
+*/
+public abstract class InjectionPlan<T, R> {
+/**
+* Perform injection
+*
+* @param instance
+*            Instance
+* @param resource
+*            Resource
+*/
+public abstract void inject(T instance, R resource);
+/**
+* Perform injection, but resource is only generated if injection is
+* necessary.
+*
+* @param instance
+* @param resource
+*/
+public void inject(T instance, Callable<R> resource) {
+try {
+inject(instance, resource.call());
+} catch(Exception e) {
+throw new WebServiceException(e);
+}
+}
+/*
+* Injects to a field.
+*/
+public static class FieldInjectionPlan<T, R> extends
+InjectionPlan<T, R> {
+private final Field field;
+public FieldInjectionPlan(Field field) {
+this.field = field;
+}
+public void inject(final T instance, final R resource) {
+AccessController.doPrivileged(new PrivilegedAction<Object>() {
+public Object run() {
+try {
+if (!field.isAccessible()) {
+field.setAccessible(true);
+}
+field.set(instance, resource);
+return null;
+} catch (IllegalAccessException e) {
+throw new WebServiceException(e);
+}
+}
+});
+}
+}
+/*
+* Injects to a method.
+*/
+public static class MethodInjectionPlan<T, R> extends
+InjectionPlan<T, R> {
+private final Method method;
+public MethodInjectionPlan(Method method) {
+this.method = method;
+}
+public void inject(T instance, R resource) {
+invokeMethod(method, instance, resource);
+}
+}
+/*
+* Helper for invoking a method with elevated privilege.
+*/
+private static void invokeMethod(final 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);
+}
+method.invoke(instance,args);
+} catch (IllegalAccessException e) {
+throw new WebServiceException(e);
+} catch (InvocationTargetException e) {
+throw new WebServiceException(e);
+}
+return null;
+}
+});
+}
+/*
+* Combines multiple {@link InjectionPlan}s into one.
+*/
+private static class Compositor<T, R> extends InjectionPlan<T, R> {
+private final Collection<InjectionPlan<T, R>> children;
+public Compositor(Collection<InjectionPlan<T, R>> children) {
+this.children = children;
+}
+public void inject(T instance, R res) {
+for (InjectionPlan<T, R> plan : children)
+plan.inject(instance, res);
+}
+public void inject(T instance, Callable<R> resource) {
+if (!children.isEmpty()) {
+super.inject(instance, resource);
+}
+}
+}
+/*
+* Creates an {@link InjectionPlan} that injects the given resource type to the given class.
+*
+* @param isStatic
+*      Only look for static field/method
+*
+*/
+public static <T,R>
+InjectionPlan<T,R> buildInjectionPlan(Class<? extends T> clazz, Class<R> resourceType, boolean isStatic) {
+List<InjectionPlan<T,R>> plan = new ArrayList<InjectionPlan<T,R>>();
+Class<?> cl = clazz;
+while(cl != Object.class) {
+for(Field field: cl.getDeclaredFields()) {
+Resource resource = field.getAnnotation(Resource.class);
+if (resource != null) {
+if(isInjectionPoint(resource, field.getType(),
+"Incorrect type for field"+field.getName(),
+resourceType)) {
+if(isStatic && !Modifier.isStatic(field.getModifiers()))
+throw new WebServiceException("Static resource "+resourceType+" cannot be injected to non-static "+field);
+plan.add(new FieldInjectionPlan<T,R>(field));
+}
+}
+}
+cl = cl.getSuperclass();
+}
+cl = clazz;
+while(cl != Object.class) {
+for(Method method : cl.getDeclaredMethods()) {
+Resource resource = method.getAnnotation(Resource.class);
+if (resource != null) {
+Class[] paramTypes = method.getParameterTypes();
+if (paramTypes.length != 1)
+throw new WebServiceException("Incorrect no of arguments for method "+method);
+if(isInjectionPoint(resource,paramTypes[0],
+"Incorrect argument types for method"+method.getName(),
+resourceType)) {
+if(isStatic && !Modifier.isStatic(method.getModifiers()))
+throw new WebServiceException("Static resource "+resourceType+" cannot be injected to non-static "+method);
+plan.add(new MethodInjectionPlan<T,R>(method));
+}
+}
+}
+cl = cl.getSuperclass();
+}
+return new Compositor<T,R>(plan);
+}
+/*
+* Returns true if the combination of {@link Resource} and the field/method type
+* are consistent for {@link WebServiceContext} injection.
+*/
+private static boolean isInjectionPoint(Resource resource, Class fieldType, String errorMessage, Class resourceType ) {
+Class t = resource.type();
+if (t.equals(Object.class)) {
+return fieldType.equals(resourceType);
+} else if (t.equals(resourceType)) {
+if (fieldType.isAssignableFrom(resourceType)) {
+return true;
+} else {
+// type compatibility error
+throw new WebServiceException(errorMessage);
+}
+}
+return false;
+}
+}

Mercurial > jdk8-mips64-public > jaxws / file comparison

comparison: src/share/jaxws_classes/com/sun/xml/internal/ws/util/InjectionPlan.java

src/share/jaxws_classes/com/sun/xml/internal/ws/util/InjectionPlan.java