1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/opt/OptimizedTransducedAccessorFactory.java Wed Apr 27 01:27:09 2016 +0800
1.3 @@ -0,0 +1,167 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.xml.internal.bind.v2.runtime.reflect.opt;
1.30 +
1.31 +import java.lang.reflect.Field;
1.32 +import java.lang.reflect.Modifier;
1.33 +import java.lang.reflect.Type;
1.34 +import java.util.HashMap;
1.35 +import java.util.Map;
1.36 +import java.util.logging.Level;
1.37 +import java.util.logging.Logger;
1.38 +
1.39 +import com.sun.xml.internal.bind.Util;
1.40 +import com.sun.xml.internal.bind.v2.model.core.TypeInfo;
1.41 +import com.sun.xml.internal.bind.v2.model.runtime.RuntimeClassInfo;
1.42 +import com.sun.xml.internal.bind.v2.model.runtime.RuntimePropertyInfo;
1.43 +import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
1.44 +import com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor;
1.45 +
1.46 +import static com.sun.xml.internal.bind.v2.bytecode.ClassTailor.toVMClassName;
1.47 +
1.48 +/**
1.49 + * Prepares optimized {@link TransducedAccessor} from templates.
1.50 + *
1.51 + * @author Kohsuke Kawaguchi
1.52 + */
1.53 +public abstract class OptimizedTransducedAccessorFactory {
1.54 + private OptimizedTransducedAccessorFactory() {} // no instanciation please
1.55 +
1.56 + // http://java.sun.com/docs/books/vmspec/2nd-edition/html/ConstantPool.doc.html#75929
1.57 + // "same runtime package"
1.58 +
1.59 + private static final Logger logger = Util.getClassLogger();
1.60 +
1.61 + private static final String fieldTemplateName;
1.62 + private static final String methodTemplateName;
1.63 +
1.64 + static {
1.65 + String s = TransducedAccessor_field_Byte.class.getName();
1.66 + fieldTemplateName = s.substring(0,s.length()-"Byte".length()).replace('.','/');
1.67 +
1.68 + s = TransducedAccessor_method_Byte.class.getName();
1.69 + methodTemplateName = s.substring(0,s.length()-"Byte".length()).replace('.','/');
1.70 + }
1.71 +
1.72 + /**
1.73 + * Gets the optimized {@link TransducedAccessor} if possible.
1.74 + *
1.75 + * @return null
1.76 + * if for some reason it fails to create an optimized version.
1.77 + */
1.78 + public static final TransducedAccessor get(RuntimePropertyInfo prop) {
1.79 + Accessor acc = prop.getAccessor();
1.80 +
1.81 + // consider using an optimized TransducedAccessor implementations.
1.82 + Class opt=null;
1.83 +
1.84 + TypeInfo<Type,Class> parent = prop.parent();
1.85 + if(!(parent instanceof RuntimeClassInfo))
1.86 + return null;
1.87 +
1.88 + Class dc = ((RuntimeClassInfo)parent).getClazz();
1.89 + String newClassName = toVMClassName(dc)+"_JaxbXducedAccessor_"+prop.getName();
1.90 +
1.91 +
1.92 + if(acc instanceof Accessor.FieldReflection) {
1.93 + // TODO: we also need to make sure that the default xducer is used.
1.94 + Accessor.FieldReflection racc = (Accessor.FieldReflection) acc;
1.95 + Field field = racc.f;
1.96 +
1.97 + int mods = field.getModifiers();
1.98 + if(Modifier.isPrivate(mods) || Modifier.isFinal(mods))
1.99 + // we can't access private fields.
1.100 + // TODO: think about how to improve this case
1.101 + return null;
1.102 +
1.103 + Class<?> t = field.getType();
1.104 + if(t.isPrimitive())
1.105 + opt = AccessorInjector.prepare( dc,
1.106 + fieldTemplateName+suffixMap.get(t),
1.107 + newClassName,
1.108 + toVMClassName(Bean.class),
1.109 + toVMClassName(dc),
1.110 + "f_"+t.getName(),
1.111 + field.getName() );
1.112 + }
1.113 +
1.114 + if(acc.getClass()==Accessor.GetterSetterReflection.class) {
1.115 + Accessor.GetterSetterReflection gacc = (Accessor.GetterSetterReflection) acc;
1.116 +
1.117 + if(gacc.getter==null || gacc.setter==null)
1.118 + return null; // incomplete
1.119 +
1.120 + Class<?> t = gacc.getter.getReturnType();
1.121 +
1.122 + if(Modifier.isPrivate(gacc.getter.getModifiers())
1.123 + || Modifier.isPrivate(gacc.setter.getModifiers()))
1.124 + // we can't access private methods.
1.125 + return null;
1.126 +
1.127 +
1.128 + if(t.isPrimitive())
1.129 + opt = AccessorInjector.prepare( dc,
1.130 + methodTemplateName+suffixMap.get(t),
1.131 + newClassName,
1.132 + toVMClassName(Bean.class),
1.133 + toVMClassName(dc),
1.134 + "get_"+t.getName(),
1.135 + gacc.getter.getName(),
1.136 + "set_"+t.getName(),
1.137 + gacc.setter.getName());
1.138 + }
1.139 +
1.140 + if(opt==null)
1.141 + return null;
1.142 +
1.143 + logger.log(Level.FINE,"Using optimized TransducedAccessor for "+prop.displayName());
1.144 +
1.145 +
1.146 + try {
1.147 + return (TransducedAccessor)opt.newInstance();
1.148 + } catch (InstantiationException e) {
1.149 + logger.log(Level.INFO,"failed to load an optimized TransducedAccessor",e);
1.150 + } catch (IllegalAccessException e) {
1.151 + logger.log(Level.INFO,"failed to load an optimized TransducedAccessor",e);
1.152 + } catch (SecurityException e) {
1.153 + logger.log(Level.INFO,"failed to load an optimized TransducedAccessor",e);
1.154 + }
1.155 + return null;
1.156 + }
1.157 +
1.158 + private static final Map<Class,String> suffixMap = new HashMap<Class, String>();
1.159 +
1.160 + static {
1.161 + suffixMap.put(Byte.TYPE,"Byte");
1.162 + suffixMap.put(Short.TYPE,"Short");
1.163 + suffixMap.put(Integer.TYPE,"Integer");
1.164 + suffixMap.put(Long.TYPE,"Long");
1.165 + suffixMap.put(Boolean.TYPE,"Boolean");
1.166 + suffixMap.put(Float.TYPE,"Float");
1.167 + suffixMap.put(Double.TYPE,"Double");
1.168 + }
1.169 +
1.170 +}
