package freemarker.ext.beans;
import java.util.AbstractCollection;
import java.util.Iterator;
import freemarker.template.TemplateCollectionModel;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelAdapter;
import freemarker.template.TemplateModelException;
import freemarker.template.TemplateModelIterator;
import freemarker.template.utility.UndeclaredThrowableException;
/**
* @author Attila Szegedi
* @version $Id: CollectionAdapter.java,v 1.2 2005/06/12 19:03:04 szegedia Exp $
*/
class CollectionAdapter extends AbstractCollection implements TemplateModelAdapter {
private final BeansWrapper wrapper;
private final TemplateCollectionModel model;
CollectionAdapter(TemplateCollectionModel model, BeansWrapper wrapper) {
this.model = model;
this.wrapper = wrapper;
}
public TemplateModel getTemplateModel() {
return model;
}
public int size() {
throw new UnsupportedOperationException();
}
public Iterator iterator() {
try {
return new Iterator() {
final TemplateModelIterator i = model.iterator();
public boolean hasNext() {
try {
return i.hasNext();
}
catch(TemplateModelException e) {
throw new UndeclaredThrowableException(e);
}
}
public Object next() {
try {
return wrapper.unwrap(i.next());
}
catch(TemplateModelException e) {
throw new UndeclaredThrowableException(e);
}
}
public void remove() {
throw new UnsupportedOperationException();
}
};
}
catch(TemplateModelException e) {
throw new UndeclaredThrowableException(e);
}
}
}
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