com.sun.tools.xjc.api.impl.s2j.ElementAdapter Maven / Gradle / Ivy
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package com.sun.tools.xjc.api.impl.s2j;
import javax.xml.bind.JAXBElement;
import javax.xml.namespace.QName;
import com.sun.tools.xjc.outline.FieldOutline;
import com.sun.tools.xjc.outline.ClassOutline;
import com.sun.tools.xjc.outline.FieldAccessor;
import com.sun.tools.xjc.outline.Outline;
import com.sun.tools.xjc.model.CPropertyInfo;
import com.sun.tools.xjc.model.CElementInfo;
import com.sun.tools.xjc.model.CReferencePropertyInfo;
import com.sun.codemodel.JExpression;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JInvocation;
/**
* {@link FieldOutline} that wraps another {@link FieldOutline}
* and allows JAX-WS to access values without using about
* {@link JAXBElement}.
*
*
* That means if a value is requested, we unwrap JAXBElement
* and give it to them. If a value is set, we wrap that into
* JAXBElement, etc.
*
*
* This can be used only with {@link CReferencePropertyInfo}
* (or else it won't be {@link JAXBElement),
* with one {@link CElementInfo} (or else we can't infer the tag name.)
*
* @author Kohsuke Kawaguchi
*/
abstract class ElementAdapter implements FieldOutline {
protected final FieldOutline core;
/**
* The only one {@link CElementInfo} that can be in the property.
*/
protected final CElementInfo ei;
public ElementAdapter(FieldOutline core, CElementInfo ei) {
this.core = core;
this.ei = ei;
}
public ClassOutline parent() {
return core.parent();
}
public CPropertyInfo getPropertyInfo() {
return core.getPropertyInfo();
}
protected final Outline outline() {
return core.parent().parent();
}
protected final JCodeModel codeModel() {
return outline().getCodeModel();
}
protected abstract class FieldAccessorImpl implements FieldAccessor {
final FieldAccessor acc;
public FieldAccessorImpl(JExpression target) {
acc = core.create(target);
}
public void unsetValues(JBlock body) {
acc.unsetValues(body);
}
public JExpression hasSetValue() {
return acc.hasSetValue();
}
public FieldOutline owner() {
return ElementAdapter.this;
}
public CPropertyInfo getPropertyInfo() {
return core.getPropertyInfo();
}
/**
* Wraps a type value into a {@link JAXBElement}.
*/
protected final JInvocation createJAXBElement(JExpression $var) {
JCodeModel cm = codeModel();
return JExpr._new(cm.ref(JAXBElement.class))
.arg(JExpr._new(cm.ref(QName.class))
.arg(ei.getElementName().getNamespaceURI())
.arg(ei.getElementName().getLocalPart()))
.arg(getRawType().boxify().erasure().dotclass())
.arg($var);
}
}
}