diff -r 000000000000 -r 373ffda63c9a src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/opt/OptimizedAccessorFactory.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/opt/OptimizedAccessorFactory.java Wed Apr 27 01:27:09 2016 +0800 @@ -0,0 +1,200 @@ +/* + * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package com.sun.xml.internal.bind.v2.runtime.reflect.opt; + +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; +import java.util.logging.Level; +import java.util.logging.Logger; + +import com.sun.xml.internal.bind.Util; +import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor; +import com.sun.xml.internal.bind.v2.runtime.RuntimeUtil; + +import static com.sun.xml.internal.bind.v2.bytecode.ClassTailor.toVMClassName; +import static com.sun.xml.internal.bind.v2.bytecode.ClassTailor.toVMTypeName; + +/** + * @author Kohsuke Kawaguchi + */ +public abstract class OptimizedAccessorFactory { + private OptimizedAccessorFactory() {} // no instanciation please + + private static final Logger logger = Util.getClassLogger(); + + + private static final String fieldTemplateName; + private static final String methodTemplateName; + + static { + String s = FieldAccessor_Byte.class.getName(); + fieldTemplateName = s.substring(0,s.length()-"Byte".length()).replace('.','/'); + + s = MethodAccessor_Byte.class.getName(); + methodTemplateName = s.substring(0,s.length()-"Byte".length()).replace('.','/'); + } + + /** + * Gets the optimized {@link Accessor} that accesses the given getter/setter. + * + * @return null + * if for some reason it fails to create an optimized version. + */ + public static final Accessor get(Method getter, Method setter) { + // make sure the method signatures are what we expect + if(getter.getParameterTypes().length!=0) + return null; + Class[] sparams = setter.getParameterTypes(); + if(sparams.length!=1) + return null; + if(sparams[0]!=getter.getReturnType()) + return null; + if(setter.getReturnType()!=Void.TYPE) + return null; + if(getter.getDeclaringClass()!=setter.getDeclaringClass()) + return null; + if(Modifier.isPrivate(getter.getModifiers()) || Modifier.isPrivate(setter.getModifiers())) + // we can't access private fields + return null; + + Class t = sparams[0]; + String typeName = t.getName().replace('.','_'); + if (t.isArray()) { + typeName = "AOf_"; + String compName = t.getComponentType().getName().replace('.','_'); + while (compName.startsWith("[L")) { + compName = compName.substring(2); + typeName += "AOf_"; + } + typeName = typeName + compName; + } + + String newClassName = toVMClassName(getter.getDeclaringClass())+"$JaxbAccessorM_"+getter.getName()+'_'+setter.getName()+'_'+typeName; + Class opt; + + if(t.isPrimitive()) + opt = AccessorInjector.prepare( getter.getDeclaringClass(), + methodTemplateName+RuntimeUtil.primitiveToBox.get(t).getSimpleName(), + newClassName, + toVMClassName(Bean.class), + toVMClassName(getter.getDeclaringClass()), + "get_"+t.getName(), + getter.getName(), + "set_"+t.getName(), + setter.getName()); + else + opt = AccessorInjector.prepare( getter.getDeclaringClass(), + methodTemplateName+"Ref", + newClassName, + toVMClassName(Bean.class), + toVMClassName(getter.getDeclaringClass()), + toVMClassName(Ref.class), + toVMClassName(t), + "()"+toVMTypeName(Ref.class), + "()"+toVMTypeName(t), + '('+toVMTypeName(Ref.class)+")V", + '('+toVMTypeName(t)+")V", + "get_ref", + getter.getName(), + "set_ref", + setter.getName()); + + if(opt==null) + return null; + + Accessor acc = instanciate(opt); + if (acc!=null) { + if (logger.isLoggable(Level.FINE)) { + logger.log(Level.FINE, "Using optimized Accessor for {0} and {1}", new Object[]{getter, setter}); + } + } + return acc; + } + + + /** + * Gets the optimized {@link Accessor} that accesses the given field. + * + * @return null + * if for some reason it fails to create an optimized version. + */ + public static final Accessor get(Field field) { + int mods = field.getModifiers(); + if(Modifier.isPrivate(mods) || Modifier.isFinal(mods)) + // we can't access private fields + return null; + + String newClassName = toVMClassName(field.getDeclaringClass())+"$JaxbAccessorF_"+field.getName(); + + Class opt; + + if(field.getType().isPrimitive()) + opt = AccessorInjector.prepare( field.getDeclaringClass(), + fieldTemplateName+RuntimeUtil.primitiveToBox.get(field.getType()).getSimpleName(), + newClassName, + toVMClassName(Bean.class), + toVMClassName(field.getDeclaringClass()), + "f_"+field.getType().getName(), + field.getName() ); + else + opt = AccessorInjector.prepare( field.getDeclaringClass(), + fieldTemplateName+"Ref", + newClassName, + toVMClassName(Bean.class), + toVMClassName(field.getDeclaringClass()), + toVMClassName(Ref.class), + toVMClassName(field.getType()), + toVMTypeName(Ref.class), + toVMTypeName(field.getType()), + "f_ref", + field.getName() ); + + if(opt==null) + return null; + + Accessor acc = instanciate(opt); + if (acc!=null) { + if (logger.isLoggable(Level.FINE)) { + logger.log(Level.FINE, "Using optimized Accessor for {0}", field); + } + } + return acc; + } + + private static Accessor instanciate(Class opt) { + try { + return (Accessor)opt.newInstance(); + } catch (InstantiationException e) { + logger.log(Level.INFO,"failed to load an optimized Accessor",e); + } catch (IllegalAccessException e) { + logger.log(Level.INFO,"failed to load an optimized Accessor",e); + } catch (SecurityException e) { + logger.log(Level.INFO,"failed to load an optimized Accessor",e); + } + return null; + } +}