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* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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.
*
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package com.sun.tools.internal.xjc.api.impl.s2j;
import java.util.ArrayList;
import java.util.List;
import javax.xml.bind.JAXBElement;
import com.sun.codemodel.internal.JBlock;
import com.sun.codemodel.internal.JClass;
import com.sun.codemodel.internal.JCodeModel;
import com.sun.codemodel.internal.JConditional;
import com.sun.codemodel.internal.JExpr;
import com.sun.codemodel.internal.JExpression;
import com.sun.codemodel.internal.JForEach;
import com.sun.codemodel.internal.JType;
import com.sun.codemodel.internal.JVar;
import com.sun.tools.internal.xjc.model.CElementInfo;
import static com.sun.tools.internal.xjc.outline.Aspect.EXPOSED;
import com.sun.tools.internal.xjc.outline.FieldAccessor;
import com.sun.tools.internal.xjc.outline.FieldOutline;
/**
* {@link ElementAdapter} that works with a collection
* of {@link JAXBElement}.
*
* @author Kohsuke Kawaguchi
*/
final class ElementCollectionAdapter extends ElementAdapter {
public ElementCollectionAdapter(FieldOutline core, CElementInfo ei) {
super(core, ei);
}
public JType getRawType() {
return codeModel().ref(List.class).narrow(itemType().boxify());
}
private JType itemType() {
return ei.getContentInMemoryType().toType(outline(), EXPOSED);
}
public FieldAccessor create(JExpression targetObject) {
return new FieldAccessorImpl(targetObject);
}
final class FieldAccessorImpl extends ElementAdapter.FieldAccessorImpl {
public FieldAccessorImpl(JExpression target) {
super(target);
}
public void toRawValue(JBlock block, JVar $var) {
JCodeModel cm = outline().getCodeModel();
JClass elementType = ei.toType(outline(),EXPOSED).boxify();
// [RESULT]
// $var = new ArrayList();
// for( JAXBElement e : [core.toRawValue] ) {
// if(e==null)
// $var.add(null);
// else
// $var.add(e.getValue());
// }
block.assign($var,JExpr._new(cm.ref(ArrayList.class).narrow(itemType().boxify())));
JVar $col = block.decl(core.getRawType(), "col" + hashCode());
acc.toRawValue(block,$col);
JForEach loop = block.forEach(elementType, "v" + hashCode()/*unique string handling*/, $col);
JConditional cond = loop.body()._if(loop.var().eq(JExpr._null()));
cond._then().invoke($var,"add").arg(JExpr._null());
cond._else().invoke($var,"add").arg(loop.var().invoke("getValue"));
}
public void fromRawValue(JBlock block, String uniqueName, JExpression $var) {
JCodeModel cm = outline().getCodeModel();
JClass elementType = ei.toType(outline(),EXPOSED).boxify();
// [RESULT]
// $t = new ArrayList();
// for( Type e : $var ) {
// $var.add(new JAXBElement(e));
// }
// [core.fromRawValue]
JClass col = cm.ref(ArrayList.class).narrow(elementType);
JVar $t = block.decl(col,uniqueName+"_col",JExpr._new(col));
JForEach loop = block.forEach(itemType(), uniqueName+"_i", $t);
loop.body().invoke($var,"add").arg(createJAXBElement(loop.var()));
acc.fromRawValue(block, uniqueName, $t);
}
}
}