| /* |
| * Copyright 2006 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package com.sun.tools.internal.xjc.generator.bean.field; |
| |
| import java.util.List; |
| |
| import com.sun.codemodel.internal.JBlock; |
| import com.sun.codemodel.internal.JConditional; |
| import com.sun.codemodel.internal.JExpr; |
| import com.sun.codemodel.internal.JExpression; |
| import com.sun.codemodel.internal.JMethod; |
| import com.sun.codemodel.internal.JType; |
| import com.sun.codemodel.internal.JVar; |
| import com.sun.tools.internal.xjc.generator.bean.ClassOutlineImpl; |
| import com.sun.tools.internal.xjc.generator.bean.MethodWriter; |
| import com.sun.tools.internal.xjc.model.CPropertyInfo; |
| import com.sun.tools.internal.xjc.outline.FieldAccessor; |
| import com.sun.xml.internal.bind.api.impl.NameConverter; |
| |
| /** |
| * Realizes a property through one getter and one setter. |
| * This renders: |
| * |
| * <pre> |
| * T' field; |
| * T getXXX() { ... } |
| * void setXXX(T value) { ... } |
| * </pre> |
| * |
| * <p> |
| * Normally T'=T, but under some tricky circumstances they could be different |
| * (like T'=Integer, T=int.) |
| * |
| * This realization is only applicable to fields with (1,1) |
| * or (0,1) multiplicity. |
| * |
| * @author |
| * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
| */ |
| public class SingleField extends AbstractFieldWithVar { |
| |
| protected SingleField(ClassOutlineImpl context, CPropertyInfo prop) { |
| this(context,prop,false); |
| } |
| |
| /** |
| * |
| * @param forcePrimitiveAccess |
| * forces the setter/getter to expose the primitive type. |
| * it's a pointless customization, but it's nevertheless in the spec. |
| */ |
| protected SingleField(ClassOutlineImpl context, CPropertyInfo prop, boolean forcePrimitiveAccess ) { |
| super(context, prop); |
| assert !exposedType.isPrimitive() && !implType.isPrimitive(); |
| |
| createField(); |
| |
| MethodWriter writer = context.createMethodWriter(); |
| NameConverter nc = context.parent().getModel().getNameConverter(); |
| |
| // [RESULT] |
| // Type getXXX() { |
| // #ifdef default value |
| // if(value==null) |
| // return defaultValue; |
| // #endif |
| // return value; |
| // } |
| JExpression defaultValue = null; |
| if(prop.defaultValue!=null) |
| defaultValue = prop.defaultValue.compute(outline.parent()); |
| |
| // if Type is a wrapper and we have a default value, |
| // we can use the primitive type. |
| JType getterType; |
| if(defaultValue!=null || forcePrimitiveAccess) |
| getterType = exposedType.unboxify(); |
| else |
| getterType = exposedType; |
| |
| JMethod $get = writer.declareMethod( getterType,getGetterMethod() ); |
| String javadoc = prop.javadoc; |
| if(javadoc.length()==0) |
| javadoc = Messages.DEFAULT_GETTER_JAVADOC.format(nc.toVariableName(prop.getName(true))); |
| writer.javadoc().append(javadoc); |
| |
| |
| if(defaultValue==null) { |
| $get.body()._return(ref()); |
| } else { |
| JConditional cond = $get.body()._if(ref().eq(JExpr._null())); |
| cond._then()._return(defaultValue); |
| cond._else()._return(ref()); |
| } |
| |
| List<Object> possibleTypes = listPossibleTypes(prop); |
| writer.javadoc().addReturn() |
| .append("possible object is\n") |
| .append(possibleTypes); |
| |
| // [RESULT] |
| // void setXXX(Type newVal) { |
| // this.value = newVal; |
| // } |
| JMethod $set = writer.declareMethod( codeModel.VOID, "set"+prop.getName(true) ); |
| JType setterType = exposedType; |
| if(forcePrimitiveAccess) setterType = setterType.unboxify(); |
| JVar $value = writer.addParameter( setterType, "value" ); |
| JBlock body = $set.body(); |
| body.assign(JExpr._this().ref(ref()),castToImplType($value)); |
| |
| javadoc = prop.javadoc; |
| if(javadoc.length()==0) |
| javadoc = Messages.DEFAULT_SETTER_JAVADOC.format(nc.toVariableName(prop.getName(true))); |
| writer.javadoc().append(javadoc); |
| writer.javadoc().addParam($value) |
| .append("allowed object is\n") |
| .append(possibleTypes); |
| } |
| |
| public final JType getFieldType() { |
| return implType; |
| } |
| |
| public FieldAccessor create(JExpression targetObject) { |
| return new Accessor(targetObject); |
| } |
| |
| protected class Accessor extends AbstractFieldWithVar.Accessor { |
| protected Accessor(JExpression $target) { |
| super($target); |
| } |
| |
| public void unsetValues( JBlock body ) { |
| body.assign( $ref, JExpr._null() ); |
| } |
| public JExpression hasSetValue() { |
| return $ref.ne( JExpr._null() ); |
| } |
| } |
| } |