Mercurial > jdk8-mips64-public > jaxws / annotate
src/share/jaxws_classes/com/sun/xml/internal/ws/spi/db/Utils.java@9c07ef4934dd (annotated)
src/share/jaxws_classes/com/sun/xml/internal/ws/spi/db/Utils.java
Thu, 31 Aug 2017 15:18:52 +0800
- author
- aoqi
- date
- Thu, 31 Aug 2017 15:18:52 +0800
- changeset 637
- 9c07ef4934dd
- parent 567
- 7d8cd27f1543
- parent 0
- 373ffda63c9a
- child 760
- e530533619ec
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
| aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
| aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
| aoqi@0 | 10 | * |
| aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 15 | * accompanied this code). |
| aoqi@0 | 16 | * |
| aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 20 | * |
| aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 23 | * questions. |
| aoqi@0 | 24 | */ |
| aoqi@0 | 25 | |
| aoqi@0 | 26 | package com.sun.xml.internal.ws.spi.db; |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | import com.sun.xml.internal.bind.v2.model.nav.Navigator; |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | import java.lang.reflect.Field; |
| aoqi@0 | 31 | import java.lang.reflect.InvocationTargetException; |
| aoqi@0 | 32 | import java.lang.reflect.Method; |
| aoqi@0 | 33 | import java.lang.reflect.Type; |
| aoqi@0 | 34 | import java.security.AccessController; |
| aoqi@0 | 35 | import java.security.PrivilegedAction; |
| aoqi@0 | 36 | import java.util.logging.Level; |
| aoqi@0 | 37 | import java.util.logging.Logger; |
| aoqi@0 | 38 | |
| aoqi@0 | 39 | /** |
| aoqi@0 | 40 | * Utils class. |
| aoqi@0 | 41 | * |
| aoqi@0 | 42 | * WARNING: If you are doing any changes don't forget to change other Utils classes in different packages. |
| aoqi@0 | 43 | * |
| aoqi@0 | 44 | * Has *package private* access to avoid inappropriate usage. |
| aoqi@0 | 45 | */ |
| aoqi@0 | 46 | final class Utils { |
| aoqi@0 | 47 | |
| aoqi@0 | 48 | private static final Logger LOGGER = Logger.getLogger(Utils.class.getName()); |
| aoqi@0 | 49 | |
| aoqi@0 | 50 | /** |
| aoqi@0 | 51 | * static ReflectionNavigator field to avoid usage of reflection every time we use it. |
| aoqi@0 | 52 | */ |
| aoqi@0 | 53 | static final Navigator<Type, Class, Field, Method> REFLECTION_NAVIGATOR; |
| aoqi@0 | 54 | |
| aoqi@0 | 55 | static { // we statically initializing REFLECTION_NAVIGATOR property |
| aoqi@0 | 56 | try { |
| aoqi@0 | 57 | Class refNav = Class.forName("com.sun.xml.internal.bind.v2.model.nav.ReflectionNavigator"); |
| aoqi@0 | 58 | //noinspection unchecked |
| aoqi@0 | 59 | final Method getInstance = refNav.getDeclaredMethod("getInstance"); |
| aoqi@0 | 60 | |
| aoqi@0 | 61 | // requires accessClassInPackage privilege |
| aoqi@0 | 62 | AccessController.doPrivileged( |
| aoqi@0 | 63 | new PrivilegedAction<Object>() { |
| aoqi@0 | 64 | @Override |
| aoqi@0 | 65 | public Object run() { |
| aoqi@0 | 66 | getInstance.setAccessible(true); |
| aoqi@0 | 67 | return null; |
| aoqi@0 | 68 | } |
| aoqi@0 | 69 | } |
| aoqi@0 | 70 | ); |
| aoqi@0 | 71 | |
| aoqi@0 | 72 | //noinspection unchecked |
| aoqi@0 | 73 | REFLECTION_NAVIGATOR = (Navigator<Type, Class, Field, Method>) getInstance.invoke(null); |
| aoqi@0 | 74 | } catch (ClassNotFoundException e) { |
| aoqi@0 | 75 | e.printStackTrace(); |
| aoqi@0 | 76 | throw new IllegalStateException("Can't find ReflectionNavigator class"); |
| aoqi@0 | 77 | } catch (InvocationTargetException e) { |
| aoqi@0 | 78 | e.printStackTrace(); |
| aoqi@0 | 79 | throw new IllegalStateException("ReflectionNavigator.getInstance throws the exception"); |
| aoqi@0 | 80 | } catch (NoSuchMethodException e) { |
| aoqi@0 | 81 | e.printStackTrace(); |
| aoqi@0 | 82 | throw new IllegalStateException("ReflectionNavigator.getInstance can't be found"); |
| aoqi@0 | 83 | } catch (IllegalAccessException e) { |
| aoqi@0 | 84 | e.printStackTrace(); |
| aoqi@0 | 85 | throw new IllegalStateException("ReflectionNavigator.getInstance method is inaccessible"); |
| aoqi@0 | 86 | } catch (SecurityException e) { |
| aoqi@0 | 87 | LOGGER.log(Level.FINE, "Unable to access ReflectionNavigator.getInstance", e); |
| aoqi@0 | 88 | throw e; |
| aoqi@0 | 89 | } |
| aoqi@0 | 90 | } |
| aoqi@0 | 91 | |
| aoqi@0 | 92 | /** |
| aoqi@0 | 93 | * private constructor to avoid util class instantiating |
| aoqi@0 | 94 | */ |
| aoqi@0 | 95 | private Utils() { |
| aoqi@0 | 96 | } |
| aoqi@0 | 97 | } |
