/**
* Check that child components are of types compatible with the collection item-type. This method
* may call itself recursively to process the children of child components which do not themselves
* set a type.
*
* @param vctx validation context
* @param type collection item type
* @param children list of child components to be checked
*/
private void checkCollectionChildren(ValidationContext vctx, IClass type, ArrayList children) {
for (int i = 0; i < children.size(); i++) {
ElementBase child = (ElementBase) children.get(i);
if (!vctx.isSkipped(child)) {
boolean expand = true;
if (child instanceof IComponent) {
IComponent comp = (IComponent) child;
IClass ctype = comp.getType();
expand = false;
if (comp instanceof ContainerElementBase) {
ContainerElementBase contain = (ContainerElementBase) comp;
if (contain.hasObject()) {
ctype = contain.getObjectType();
} else {
expand = true;
}
}
if (!expand) {
if (!ctype.isAssignable(type)) {
vctx.addFatal(
"References to collection items must "
+ "use compatible types: "
+ ctype.getName()
+ " cannot be used as "
+ type.getName(),
child);
}
}
}
if (expand && child instanceof NestingElementBase) {
checkCollectionChildren(vctx, type, ((NestingElementBase) child).children());
}
}
}
}
/* (non-Javadoc)
* @see org.jibx.binding.model.ElementBase#prevalidate(org.jibx.binding.model.ValidationContext)
*/
public void prevalidate(ValidationContext vctx) {
m_nameAttrs.prevalidate(vctx);
m_propertyAttrs.prevalidate(vctx);
m_collectionItem = vctx.getParentContainer().type() == COLLECTION_ELEMENT;
if (!vctx.isSkipped(this)) {
super.prevalidate(vctx);
}
}
/* (non-Javadoc)
* @see org.jibx.binding.model.ElementBase#validate(org.jibx.binding.model.ValidationContext)
*/
public void validate(ValidationContext vctx) {
// validate the attribute groups
m_nameAttrs.validate(vctx);
m_propertyAttrs.validate(vctx);
if (!vctx.isSkipped(this)) {
// check for way of constructing object instance on input
if (m_propertyAttrs.hasProperty() && children().size() > 0) {
verifyConstruction(vctx, m_propertyAttrs.getType());
}
// check use of text values in children of structure with name
if (hasName()) {
SequenceVisitor visitor = new SequenceVisitor(this, vctx);
TreeContext tctx = vctx.getChildContext();
tctx.tourTree(this, visitor);
}
// finish with superclass validation
super.validate(vctx);
}
}
