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package com.sun.tools.xjc.api.impl.s2j;
import java.util.ArrayList;
import java.util.List;
import javax.xml.bind.JAXBElement;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JConditional;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JExpression;
import com.sun.codemodel.JForEach;
import com.sun.codemodel.JType;
import com.sun.codemodel.JVar;
import com.sun.tools.xjc.model.CElementInfo;
import static com.sun.tools.xjc.outline.Aspect.EXPOSED;
import com.sun.tools.xjc.outline.FieldAccessor;
import com.sun.tools.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);
}
}
}
