Mercurial > jdk8-mips64-public > jaxws / file comparison
comparison: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/Utils.java
src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/Utils.java
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| 1 /* | |
| 2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 | |
| 26 package com.sun.xml.internal.bind.v2.runtime.reflect; | |
| 27 | |
| 28 import com.sun.xml.internal.bind.v2.model.nav.Navigator; | |
| 29 | |
| 30 import java.lang.reflect.Field; | |
| 31 import java.lang.reflect.InvocationTargetException; | |
| 32 import java.lang.reflect.Method; | |
| 33 import java.lang.reflect.Type; | |
| 34 import java.security.AccessController; | |
| 35 import java.security.PrivilegedAction; | |
| 36 import java.util.logging.Level; | |
| 37 import java.util.logging.Logger; | |
| 38 | |
| 39 /** | |
| 40 * Utils class. | |
| 41 * Has *package private* access to avoid inappropriate usage. | |
| 42 */ | |
| 43 final class Utils { | |
| 44 | |
| 45 private static final Logger LOGGER = Logger.getLogger(Utils.class.getName()); | |
| 46 | |
| 47 /** | |
| 48 * static ReflectionNavigator field to avoid usage of reflection every time we use it. | |
| 49 */ | |
| 50 static final Navigator<Type, Class, Field, Method> REFLECTION_NAVIGATOR; | |
| 51 | |
| 52 static { // we statically initializing REFLECTION_NAVIGATOR property | |
| 53 try { | |
| 54 Class refNav = Class.forName("com.sun.xml.internal.bind.v2.model.nav.ReflectionNavigator"); | |
| 55 //noinspection unchecked | |
| 56 final Method getInstance = refNav.getDeclaredMethod("getInstance"); | |
| 57 | |
| 58 // requires accessClassInPackage privilege | |
| 59 AccessController.doPrivileged( | |
| 60 new PrivilegedAction<Object>() { | |
| 61 @Override | |
| 62 public Object run() { | |
| 63 getInstance.setAccessible(true); | |
| 64 return null; | |
| 65 } | |
| 66 } | |
| 67 ); | |
| 68 | |
| 69 //noinspection unchecked | |
| 70 REFLECTION_NAVIGATOR = (Navigator<Type, Class, Field, Method>) getInstance.invoke(null); | |
| 71 } catch (ClassNotFoundException e) { | |
| 72 e.printStackTrace(); | |
| 73 throw new IllegalStateException("Can't find ReflectionNavigator class"); | |
| 74 } catch (InvocationTargetException e) { | |
| 75 e.printStackTrace(); | |
| 76 throw new IllegalStateException("ReflectionNavigator.getInstance throws the exception"); | |
| 77 } catch (NoSuchMethodException e) { | |
| 78 e.printStackTrace(); | |
| 79 throw new IllegalStateException("ReflectionNavigator.getInstance can't be found"); | |
| 80 } catch (IllegalAccessException e) { | |
| 81 e.printStackTrace(); | |
| 82 throw new IllegalStateException("ReflectionNavigator.getInstance method is inaccessible"); | |
| 83 } catch (SecurityException e) { | |
| 84 LOGGER.log(Level.FINE, "Unable to access ReflectionNavigator.getInstance", e); | |
| 85 throw e; | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 /** | |
| 90 * private constructor to avoid util class instantiating | |
| 91 */ | |
| 92 private Utils() { | |
| 93 } | |
| 94 } |
