/* * Copyright (c) 1997, 2011, 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.tools.internal.xjc.generator.bean.field; import com.sun.codemodel.internal.JAssignmentTarget; import java.util.List; import com.sun.codemodel.internal.JBlock; import com.sun.codemodel.internal.JClass; import com.sun.codemodel.internal.JExpr; import com.sun.codemodel.internal.JExpression; import com.sun.codemodel.internal.JForLoop; import com.sun.codemodel.internal.JMethod; import com.sun.codemodel.internal.JMod; import com.sun.codemodel.internal.JOp; 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; /** * Realizes a property as an "indexed property" * as specified in the JAXB spec. * *
* We will generate the following set of methods: *
* T[] getX(); * T getX( int idx ); * void setX(T[] values); * void setX( int idx, T value ); ** * We still use List as our back storage. * This renderer also handles boxing/unboxing if * T is a boxed type. * * @author * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) */ final class ArrayField extends AbstractListField { class Accessor extends AbstractListField.Accessor { protected Accessor( JExpression $target ) { super($target); } public void toRawValue(JBlock block, JVar $var) { block.assign($var,$target.invoke($getAll)); } public void fromRawValue(JBlock block, String uniqueName, JExpression $var) { block.invoke($target,$setAll).arg($var); } @Override public JExpression hasSetValue() { return field.ne(JExpr._null()).cand(field.ref("length").gt(JExpr.lit(0))); } } private JMethod $setAll; private JMethod $getAll; ArrayField(ClassOutlineImpl context, CPropertyInfo prop) { super(context,prop,false); generateArray(); } protected final void generateArray() { field = outline.implClass.field( JMod.PROTECTED, getCoreListType(), prop.getName(false) ); annotate(field); // generate the rest of accessors generateAccessors(); } public void generateAccessors() { MethodWriter writer = outline.createMethodWriter(); Accessor acc = create(JExpr._this()); JVar $idx,$value; JBlock body; // [RESULT] T[] getX() { // if( ==null ) return new T[0]; // T[] retVal = new T[this._return.length] ; // System.arraycopy(this._return, 0, "retVal", 0, this._return.length); // return (retVal); // } $getAll = writer.declareMethod( exposedType.array(),"get"+prop.getName(true)); writer.javadoc().append(prop.javadoc); body = $getAll.body(); body._if( acc.ref(true).eq(JExpr._null()) )._then() ._return(JExpr.newArray(exposedType,0)); JVar var = body.decl(exposedType.array(), "retVal", JExpr.newArray(implType,acc.ref(true).ref("length"))); body.add(codeModel.ref(System.class).staticInvoke("arraycopy") .arg(acc.ref(true)).arg(JExpr.lit(0)) .arg(var) .arg(JExpr.lit(0)).arg(acc.ref(true).ref("length"))); body._return(JExpr.direct("retVal")); List