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package com.sun.tools.xjc.api.impl.s2j;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import javax.xml.namespace.QName;
import com.sun.tools.xjc.api.Mapping;
import com.sun.tools.xjc.api.Property;
import com.sun.tools.xjc.model.CClassInfo;
import com.sun.tools.xjc.model.CElement;
import com.sun.tools.xjc.model.CElementInfo;
import com.sun.tools.xjc.model.CElementPropertyInfo;
import com.sun.tools.xjc.model.CPropertyInfo;
import com.sun.tools.xjc.model.CReferencePropertyInfo;
import com.sun.tools.xjc.model.CTypeRef;
import com.sun.xml.bind.v2.model.core.ClassInfo;
import com.sun.xml.bind.v2.model.core.ReferencePropertyInfo;
import com.sun.xml.xsom.XSComplexType;
import com.sun.xml.xsom.XSComponent;
import com.sun.xml.xsom.XSContentType;
import com.sun.xml.xsom.XSModelGroup;
import com.sun.xml.xsom.XSParticle;
import com.sun.xml.xsom.XSTerm;
/**
* Partial common implementation between {@link ElementMappingImpl} and {@link BeanMappingImpl}
*
* @author Kohsuke Kawaguchi
*/
abstract class AbstractMappingImpl<InfoT extends CElement> implements Mapping {
protected final JAXBModelImpl parent;
protected final InfoT clazz;
/**
* Lazily computed.
*
* @see #getWrapperStyleDrilldown()
*/
private List<Property> drilldown = null;
private boolean drilldownComputed = false;
protected AbstractMappingImpl(JAXBModelImpl parent, InfoT clazz) {
this.parent = parent;
this.clazz = clazz;
}
public final QName getElement() {
return clazz.getElementName();
}
public final String getClazz() {
return clazz.getType().fullName();
}
public final List<? extends Property> getWrapperStyleDrilldown() {
if (!drilldownComputed) {
drilldownComputed = true;
drilldown = calcDrilldown();
}
return drilldown;
}
protected abstract List<Property> calcDrilldown();
/**
* Derived classes can use this method to implement {@link #calcDrilldown}.
*/
protected List<Property> buildDrilldown(CClassInfo typeBean) {
//JAXWS 2.1 spec 2.3.1.2:
//Wrapper style if the wrapper elements only contain child elements,
//they must not contain xsd:choice
if (containingChoice(typeBean)) {
return null;
}
List<Property> result;
CClassInfo bc = typeBean.getBaseClass();
if (bc != null) {
result = buildDrilldown(bc);
if (result == null) {
return null; // aborted
}
} else {
result = new ArrayList<Property>();
}
for (CPropertyInfo p : typeBean.getProperties()) {
if (p instanceof CElementPropertyInfo) {
CElementPropertyInfo ep = (CElementPropertyInfo) p;
// wrong. A+,B,C is eligible for drill-down.
// if(ep.isCollection())
// // content model like A+,B,C is not eligible
// return null;
List<? extends CTypeRef> ref = ep.getTypes();
if (ref.size() != 1) {// content model like (A|B),C is not eligible
return null;
}
result.add(createPropertyImpl(ep, ref.get(0).getTagName()));
} else if (p instanceof ReferencePropertyInfo) {
CReferencePropertyInfo rp = (CReferencePropertyInfo) p;
Collection<CElement> elements = rp.getElements();
if (elements.size() != 1) {
return null;
}
CElement ref = elements.iterator().next();
if (ref instanceof ClassInfo) {
result.add(createPropertyImpl(rp, ref.getElementName()));
} else {
CElementInfo eref = (CElementInfo) ref;
if (!eref.getSubstitutionMembers().isEmpty()) {
return null; // elements with a substitution group isn't qualified for the wrapper style
}
// JAX-WS doesn't want to see JAXBElement, so we have to hide it for them.
ElementAdapter fr;
if (rp.isCollection()) {
fr = new ElementCollectionAdapter(parent.outline.getField(rp), eref);
} else {
fr = new ElementSingleAdapter(parent.outline.getField(rp), eref);
}
result.add(new PropertyImpl(this,
fr, eref.getElementName()));
}
} else {// to be eligible for the wrapper style, only elements are allowed.
// according to the JAX-RPC spec 2.3.1.2, element refs are disallowed
return null;
}
}
return result;
}
private boolean containingChoice(CClassInfo typeBean) {
XSComponent component = typeBean.getSchemaComponent();
if (component instanceof XSComplexType) {
XSContentType contentType = ((XSComplexType) component).getContentType();
XSParticle particle = contentType.asParticle();
if (particle != null) {
XSTerm term = particle.getTerm();
XSModelGroup modelGroup = term.asModelGroup();
if (modelGroup != null) {
return (modelGroup.getCompositor() == XSModelGroup.Compositor.CHOICE);
}
}
}
return false;
}
private Property createPropertyImpl(CPropertyInfo p, QName tagName) {
return new PropertyImpl(this,
parent.outline.getField(p), tagName);
}
}