Tue, 06 Mar 2012 16:09:35 -0800
7150322: Stop using drop source bundles in jaxws
Reviewed-by: darcy, ohrstrom
ohair@286 | 1 | /* |
ohair@286 | 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
ohair@286 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ohair@286 | 4 | * |
ohair@286 | 5 | * This code is free software; you can redistribute it and/or modify it |
ohair@286 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@286 | 7 | * published by the Free Software Foundation. Oracle designates this |
ohair@286 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@286 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
ohair@286 | 10 | * |
ohair@286 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ohair@286 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ohair@286 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ohair@286 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
ohair@286 | 15 | * accompanied this code). |
ohair@286 | 16 | * |
ohair@286 | 17 | * You should have received a copy of the GNU General Public License version |
ohair@286 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
ohair@286 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ohair@286 | 20 | * |
ohair@286 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@286 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@286 | 23 | * questions. |
ohair@286 | 24 | */ |
ohair@286 | 25 | |
ohair@286 | 26 | package com.sun.xml.internal.bind.v2.runtime.reflect.opt; |
ohair@286 | 27 | |
ohair@286 | 28 | import java.io.InputStream; |
ohair@286 | 29 | import java.util.logging.Level; |
ohair@286 | 30 | import java.util.logging.Logger; |
ohair@286 | 31 | |
ohair@286 | 32 | import com.sun.xml.internal.bind.Util; |
ohair@286 | 33 | import com.sun.xml.internal.bind.v2.bytecode.ClassTailor; |
ohair@286 | 34 | |
ohair@286 | 35 | /** |
ohair@286 | 36 | * @author Kohsuke Kawaguchi |
ohair@286 | 37 | */ |
ohair@286 | 38 | class AccessorInjector { |
ohair@286 | 39 | |
ohair@286 | 40 | private static final Logger logger = Util.getClassLogger(); |
ohair@286 | 41 | |
ohair@286 | 42 | protected static final boolean noOptimize = |
ohair@286 | 43 | Util.getSystemProperty(ClassTailor.class.getName()+".noOptimize")!=null; |
ohair@286 | 44 | |
ohair@286 | 45 | static { |
ohair@286 | 46 | if(noOptimize) |
ohair@286 | 47 | logger.info("The optimized code generation is disabled"); |
ohair@286 | 48 | } |
ohair@286 | 49 | |
ohair@286 | 50 | /** |
ohair@286 | 51 | * Loads the optimized class and returns it. |
ohair@286 | 52 | * |
ohair@286 | 53 | * @return null |
ohair@286 | 54 | * if it fails for some reason. |
ohair@286 | 55 | */ |
ohair@286 | 56 | public static Class<?> prepare( |
ohair@286 | 57 | Class beanClass, String templateClassName, String newClassName, String... replacements ) { |
ohair@286 | 58 | |
ohair@286 | 59 | if(noOptimize) |
ohair@286 | 60 | return null; |
ohair@286 | 61 | |
ohair@286 | 62 | try { |
ohair@286 | 63 | ClassLoader cl = SecureLoader.getClassClassLoader(beanClass); |
ohair@286 | 64 | if(cl==null) return null; // how do I inject classes to this "null" class loader? for now, back off. |
ohair@286 | 65 | |
ohair@286 | 66 | Class c = null; |
ohair@286 | 67 | synchronized (AccessorInjector.class) { |
ohair@286 | 68 | c = Injector.find(cl,newClassName); |
ohair@286 | 69 | if(c==null) { |
ohair@286 | 70 | byte[] image = tailor(templateClassName,newClassName,replacements); |
ohair@286 | 71 | // try { |
ohair@286 | 72 | // new FileOutputStream("debug.class").write(image); |
ohair@286 | 73 | // } catch (IOException e) { |
ohair@286 | 74 | // e.printStackTrace(); |
ohair@286 | 75 | // } |
ohair@286 | 76 | if(image==null) |
ohair@286 | 77 | return null; |
ohair@286 | 78 | c = Injector.inject(cl,newClassName,image); |
ohair@286 | 79 | } |
ohair@286 | 80 | } |
ohair@286 | 81 | return c; |
ohair@286 | 82 | } catch(SecurityException e) { |
ohair@286 | 83 | // we don't have enough permission to do this |
ohair@286 | 84 | logger.log(Level.INFO,"Unable to create an optimized TransducedAccessor ",e); |
ohair@286 | 85 | return null; |
ohair@286 | 86 | } |
ohair@286 | 87 | } |
ohair@286 | 88 | |
ohair@286 | 89 | |
ohair@286 | 90 | /** |
ohair@286 | 91 | * Customizes a class file by replacing constant pools. |
ohair@286 | 92 | * |
ohair@286 | 93 | * @param templateClassName |
ohair@286 | 94 | * The resouce that contains the template class file. |
ohair@286 | 95 | * @param replacements |
ohair@286 | 96 | * A list of pair of strings that specify the substitution |
ohair@286 | 97 | * {@code String[]{search_0, replace_0, search_1, replace_1, ..., search_n, replace_n } |
ohair@286 | 98 | * |
ohair@286 | 99 | * The search strings found in the constant pool will be replaced by the corresponding |
ohair@286 | 100 | * replacement string. |
ohair@286 | 101 | */ |
ohair@286 | 102 | private static byte[] tailor( String templateClassName, String newClassName, String... replacements ) { |
ohair@286 | 103 | InputStream resource; |
ohair@286 | 104 | if(CLASS_LOADER!=null) |
ohair@286 | 105 | resource = CLASS_LOADER.getResourceAsStream(templateClassName+".class"); |
ohair@286 | 106 | else |
ohair@286 | 107 | resource = ClassLoader.getSystemResourceAsStream(templateClassName+".class"); |
ohair@286 | 108 | if(resource==null) |
ohair@286 | 109 | return null; |
ohair@286 | 110 | |
ohair@286 | 111 | return ClassTailor.tailor(resource,templateClassName,newClassName,replacements); |
ohair@286 | 112 | } |
ohair@286 | 113 | |
ohair@286 | 114 | private static final ClassLoader CLASS_LOADER = SecureLoader.getClassClassLoader(AccessorInjector.class); |
ohair@286 | 115 | } |