Mercurial > jdk8-mips64-public > jaxws / file comparison
comparison: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/opt/OptimizedTransducedAccessorFactory.java
src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/opt/OptimizedTransducedAccessorFactory.java
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| 1 /* | |
| 2 * Copyright (c) 1997, 2011, 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.opt; | |
| 27 | |
| 28 import java.lang.reflect.Field; | |
| 29 import java.lang.reflect.Modifier; | |
| 30 import java.lang.reflect.Type; | |
| 31 import java.util.HashMap; | |
| 32 import java.util.Map; | |
| 33 import java.util.logging.Level; | |
| 34 import java.util.logging.Logger; | |
| 35 | |
| 36 import com.sun.xml.internal.bind.Util; | |
| 37 import com.sun.xml.internal.bind.v2.model.core.TypeInfo; | |
| 38 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeClassInfo; | |
| 39 import com.sun.xml.internal.bind.v2.model.runtime.RuntimePropertyInfo; | |
| 40 import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor; | |
| 41 import com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor; | |
| 42 | |
| 43 import static com.sun.xml.internal.bind.v2.bytecode.ClassTailor.toVMClassName; | |
| 44 | |
| 45 /** | |
| 46 * Prepares optimized {@link TransducedAccessor} from templates. | |
| 47 * | |
| 48 * @author Kohsuke Kawaguchi | |
| 49 */ | |
| 50 public abstract class OptimizedTransducedAccessorFactory { | |
| 51 private OptimizedTransducedAccessorFactory() {} // no instanciation please | |
| 52 | |
| 53 // http://java.sun.com/docs/books/vmspec/2nd-edition/html/ConstantPool.doc.html#75929 | |
| 54 // "same runtime package" | |
| 55 | |
| 56 private static final Logger logger = Util.getClassLogger(); | |
| 57 | |
| 58 private static final String fieldTemplateName; | |
| 59 private static final String methodTemplateName; | |
| 60 | |
| 61 static { | |
| 62 String s = TransducedAccessor_field_Byte.class.getName(); | |
| 63 fieldTemplateName = s.substring(0,s.length()-"Byte".length()).replace('.','/'); | |
| 64 | |
| 65 s = TransducedAccessor_method_Byte.class.getName(); | |
| 66 methodTemplateName = s.substring(0,s.length()-"Byte".length()).replace('.','/'); | |
| 67 } | |
| 68 | |
| 69 /** | |
| 70 * Gets the optimized {@link TransducedAccessor} if possible. | |
| 71 * | |
| 72 * @return null | |
| 73 * if for some reason it fails to create an optimized version. | |
| 74 */ | |
| 75 public static final TransducedAccessor get(RuntimePropertyInfo prop) { | |
| 76 Accessor acc = prop.getAccessor(); | |
| 77 | |
| 78 // consider using an optimized TransducedAccessor implementations. | |
| 79 Class opt=null; | |
| 80 | |
| 81 TypeInfo<Type,Class> parent = prop.parent(); | |
| 82 if(!(parent instanceof RuntimeClassInfo)) | |
| 83 return null; | |
| 84 | |
| 85 Class dc = ((RuntimeClassInfo)parent).getClazz(); | |
| 86 String newClassName = toVMClassName(dc)+"_JaxbXducedAccessor_"+prop.getName(); | |
| 87 | |
| 88 | |
| 89 if(acc instanceof Accessor.FieldReflection) { | |
| 90 // TODO: we also need to make sure that the default xducer is used. | |
| 91 Accessor.FieldReflection racc = (Accessor.FieldReflection) acc; | |
| 92 Field field = racc.f; | |
| 93 | |
| 94 int mods = field.getModifiers(); | |
| 95 if(Modifier.isPrivate(mods) || Modifier.isFinal(mods)) | |
| 96 // we can't access private fields. | |
| 97 // TODO: think about how to improve this case | |
| 98 return null; | |
| 99 | |
| 100 Class<?> t = field.getType(); | |
| 101 if(t.isPrimitive()) | |
| 102 opt = AccessorInjector.prepare( dc, | |
| 103 fieldTemplateName+suffixMap.get(t), | |
| 104 newClassName, | |
| 105 toVMClassName(Bean.class), | |
| 106 toVMClassName(dc), | |
| 107 "f_"+t.getName(), | |
| 108 field.getName() ); | |
| 109 } | |
| 110 | |
| 111 if(acc.getClass()==Accessor.GetterSetterReflection.class) { | |
| 112 Accessor.GetterSetterReflection gacc = (Accessor.GetterSetterReflection) acc; | |
| 113 | |
| 114 if(gacc.getter==null || gacc.setter==null) | |
| 115 return null; // incomplete | |
| 116 | |
| 117 Class<?> t = gacc.getter.getReturnType(); | |
| 118 | |
| 119 if(Modifier.isPrivate(gacc.getter.getModifiers()) | |
| 120 || Modifier.isPrivate(gacc.setter.getModifiers())) | |
| 121 // we can't access private methods. | |
| 122 return null; | |
| 123 | |
| 124 | |
| 125 if(t.isPrimitive()) | |
| 126 opt = AccessorInjector.prepare( dc, | |
| 127 methodTemplateName+suffixMap.get(t), | |
| 128 newClassName, | |
| 129 toVMClassName(Bean.class), | |
| 130 toVMClassName(dc), | |
| 131 "get_"+t.getName(), | |
| 132 gacc.getter.getName(), | |
| 133 "set_"+t.getName(), | |
| 134 gacc.setter.getName()); | |
| 135 } | |
| 136 | |
| 137 if(opt==null) | |
| 138 return null; | |
| 139 | |
| 140 logger.log(Level.FINE,"Using optimized TransducedAccessor for "+prop.displayName()); | |
| 141 | |
| 142 | |
| 143 try { | |
| 144 return (TransducedAccessor)opt.newInstance(); | |
| 145 } catch (InstantiationException e) { | |
| 146 logger.log(Level.INFO,"failed to load an optimized TransducedAccessor",e); | |
| 147 } catch (IllegalAccessException e) { | |
| 148 logger.log(Level.INFO,"failed to load an optimized TransducedAccessor",e); | |
| 149 } catch (SecurityException e) { | |
| 150 logger.log(Level.INFO,"failed to load an optimized TransducedAccessor",e); | |
| 151 } | |
| 152 return null; | |
| 153 } | |
| 154 | |
| 155 private static final Map<Class,String> suffixMap = new HashMap<Class, String>(); | |
| 156 | |
| 157 static { | |
| 158 suffixMap.put(Byte.TYPE,"Byte"); | |
| 159 suffixMap.put(Short.TYPE,"Short"); | |
| 160 suffixMap.put(Integer.TYPE,"Integer"); | |
| 161 suffixMap.put(Long.TYPE,"Long"); | |
| 162 suffixMap.put(Boolean.TYPE,"Boolean"); | |
| 163 suffixMap.put(Float.TYPE,"Float"); | |
| 164 suffixMap.put(Double.TYPE,"Double"); | |
| 165 } | |
| 166 | |
| 167 } |
