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/OptimizedAccessorFactory.java Tue Mar 06 16:09:35 2012 -0800
1.3 @@ -0,0 +1,194 @@
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.Method;
1.33 +import java.lang.reflect.Modifier;
1.34 +import java.util.logging.Level;
1.35 +import java.util.logging.Logger;
1.36 +
1.37 +import com.sun.xml.internal.bind.Util;
1.38 +import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
1.39 +import com.sun.xml.internal.bind.v2.runtime.RuntimeUtil;
1.40 +
1.41 +import static com.sun.xml.internal.bind.v2.bytecode.ClassTailor.toVMClassName;
1.42 +import static com.sun.xml.internal.bind.v2.bytecode.ClassTailor.toVMTypeName;
1.43 +
1.44 +/**
1.45 + * @author Kohsuke Kawaguchi
1.46 + */
1.47 +public abstract class OptimizedAccessorFactory {
1.48 + private OptimizedAccessorFactory() {} // no instanciation please
1.49 +
1.50 + private static final Logger logger = Util.getClassLogger();
1.51 +
1.52 +
1.53 + private static final String fieldTemplateName;
1.54 + private static final String methodTemplateName;
1.55 +
1.56 + static {
1.57 + String s = FieldAccessor_Byte.class.getName();
1.58 + fieldTemplateName = s.substring(0,s.length()-"Byte".length()).replace('.','/');
1.59 +
1.60 + s = MethodAccessor_Byte.class.getName();
1.61 + methodTemplateName = s.substring(0,s.length()-"Byte".length()).replace('.','/');
1.62 + }
1.63 +
1.64 + /**
1.65 + * Gets the optimized {@link Accessor} that accesses the given getter/setter.
1.66 + *
1.67 + * @return null
1.68 + * if for some reason it fails to create an optimized version.
1.69 + */
1.70 + public static final <B,V> Accessor<B,V> get(Method getter, Method setter) {
1.71 + // make sure the method signatures are what we expect
1.72 + if(getter.getParameterTypes().length!=0)
1.73 + return null;
1.74 + Class<?>[] sparams = setter.getParameterTypes();
1.75 + if(sparams.length!=1)
1.76 + return null;
1.77 + if(sparams[0]!=getter.getReturnType())
1.78 + return null;
1.79 + if(setter.getReturnType()!=Void.TYPE)
1.80 + return null;
1.81 + if(getter.getDeclaringClass()!=setter.getDeclaringClass())
1.82 + return null;
1.83 + if(Modifier.isPrivate(getter.getModifiers()) || Modifier.isPrivate(setter.getModifiers()))
1.84 + // we can't access private fields
1.85 + return null;
1.86 +
1.87 + Class t = sparams[0];
1.88 + String typeName = t.getName().replace('.','_');
1.89 + if (t.isArray()) {
1.90 + typeName = "AOf_";
1.91 + String compName = t.getComponentType().getName().replace('.','_');
1.92 + while (compName.startsWith("[L")) {
1.93 + compName = compName.substring(2);
1.94 + typeName += "AOf_";
1.95 + }
1.96 + typeName = typeName + compName;
1.97 + }
1.98 +
1.99 + String newClassName = toVMClassName(getter.getDeclaringClass())+"$JaxbAccessorM_"+getter.getName()+'_'+setter.getName()+'_'+typeName;
1.100 + Class opt;
1.101 +
1.102 + if(t.isPrimitive())
1.103 + opt = AccessorInjector.prepare( getter.getDeclaringClass(),
1.104 + methodTemplateName+RuntimeUtil.primitiveToBox.get(t).getSimpleName(),
1.105 + newClassName,
1.106 + toVMClassName(Bean.class),
1.107 + toVMClassName(getter.getDeclaringClass()),
1.108 + "get_"+t.getName(),
1.109 + getter.getName(),
1.110 + "set_"+t.getName(),
1.111 + setter.getName());
1.112 + else
1.113 + opt = AccessorInjector.prepare( getter.getDeclaringClass(),
1.114 + methodTemplateName+"Ref",
1.115 + newClassName,
1.116 + toVMClassName(Bean.class),
1.117 + toVMClassName(getter.getDeclaringClass()),
1.118 + toVMClassName(Ref.class),
1.119 + toVMClassName(t),
1.120 + "()"+toVMTypeName(Ref.class),
1.121 + "()"+toVMTypeName(t),
1.122 + '('+toVMTypeName(Ref.class)+")V",
1.123 + '('+toVMTypeName(t)+")V",
1.124 + "get_ref",
1.125 + getter.getName(),
1.126 + "set_ref",
1.127 + setter.getName());
1.128 +
1.129 + if(opt==null)
1.130 + return null;
1.131 +
1.132 + Accessor<B,V> acc = instanciate(opt);
1.133 + if(acc!=null)
1.134 + logger.log(Level.FINE,"Using optimized Accessor for "+getter+" and "+setter);
1.135 + return acc;
1.136 + }
1.137 +
1.138 +
1.139 + /**
1.140 + * Gets the optimizd {@link Accessor} that accesses the given field.
1.141 + *
1.142 + * @return null
1.143 + * if for some reason it fails to create an optimized version.
1.144 + */
1.145 + public static final <B,V> Accessor<B,V> get(Field field) {
1.146 + int mods = field.getModifiers();
1.147 + if(Modifier.isPrivate(mods) || Modifier.isFinal(mods))
1.148 + // we can't access private fields
1.149 + return null;
1.150 +
1.151 + String newClassName = toVMClassName(field.getDeclaringClass())+"$JaxbAccessorF_"+field.getName();
1.152 +
1.153 + Class opt;
1.154 +
1.155 + if(field.getType().isPrimitive())
1.156 + opt = AccessorInjector.prepare( field.getDeclaringClass(),
1.157 + fieldTemplateName+RuntimeUtil.primitiveToBox.get(field.getType()).getSimpleName(),
1.158 + newClassName,
1.159 + toVMClassName(Bean.class),
1.160 + toVMClassName(field.getDeclaringClass()),
1.161 + "f_"+field.getType().getName(),
1.162 + field.getName() );
1.163 + else
1.164 + opt = AccessorInjector.prepare( field.getDeclaringClass(),
1.165 + fieldTemplateName+"Ref",
1.166 + newClassName,
1.167 + toVMClassName(Bean.class),
1.168 + toVMClassName(field.getDeclaringClass()),
1.169 + toVMClassName(Ref.class),
1.170 + toVMClassName(field.getType()),
1.171 + toVMTypeName(Ref.class),
1.172 + toVMTypeName(field.getType()),
1.173 + "f_ref",
1.174 + field.getName() );
1.175 +
1.176 + if(opt==null)
1.177 + return null;
1.178 +
1.179 + Accessor<B,V> acc = instanciate(opt);
1.180 + if(acc!=null)
1.181 + logger.log(Level.FINE,"Using optimized Accessor for "+field);
1.182 + return acc;
1.183 + }
1.184 +
1.185 + private static <B,V> Accessor<B,V> instanciate(Class opt) {
1.186 + try {
1.187 + return (Accessor<B,V>)opt.newInstance();
1.188 + } catch (InstantiationException e) {
1.189 + logger.log(Level.INFO,"failed to load an optimized Accessor",e);
1.190 + } catch (IllegalAccessException e) {
1.191 + logger.log(Level.INFO,"failed to load an optimized Accessor",e);
1.192 + } catch (SecurityException e) {
1.193 + logger.log(Level.INFO,"failed to load an optimized Accessor",e);
1.194 + }
1.195 + return null;
1.196 + }
1.197 +}
