/*
* see java.beans.FeatureDescriptor#FeatureDescriptor(FeatureDescriptor)
*/
public static void copyNonMethodProperties(PropertyDescriptor source, PropertyDescriptor target)
throws IntrospectionException {
target.setExpert(source.isExpert());
target.setHidden(source.isHidden());
target.setPreferred(source.isPreferred());
target.setName(source.getName());
target.setShortDescription(source.getShortDescription());
target.setDisplayName(source.getDisplayName());
// copy all attributes (emulating behavior of private FeatureDescriptor#addTable)
Enumeration<String> keys = source.attributeNames();
while (keys.hasMoreElements()) {
String key = keys.nextElement();
target.setValue(key, source.getValue(key));
}
// see java.beans.PropertyDescriptor#PropertyDescriptor(PropertyDescriptor)
target.setPropertyEditorClass(source.getPropertyEditorClass());
target.setBound(source.isBound());
target.setConstrained(source.isConstrained());
}
public static void main(String[] args) throws Exception {
BeanInfo i = Introspector.getBeanInfo(C.class, Object.class);
Checker.checkEq("description", i.getBeanDescriptor().getShortDescription(), "CHILD");
PropertyDescriptor[] pds = i.getPropertyDescriptors();
Checker.checkEq("number of properties", pds.length, 1);
PropertyDescriptor p = pds[0];
Checker.checkEq("property description", p.getShortDescription(), "CHILDPROPERTY");
Checker.checkEq("isBound", p.isBound(), childFlag);
Checker.checkEq("isExpert", p.isExpert(), childFlag);
Checker.checkEq("isHidden", p.isHidden(), childFlag);
Checker.checkEq("isPreferred", p.isPreferred(), childFlag);
Checker.checkEq("required", p.getValue("required"), childFlag);
Checker.checkEq("visualUpdate", p.getValue("visualUpdate"), childFlag);
Checker.checkEnumEq(
"enumerationValues",
p.getValue("enumerationValues"),
new Object[] {"BOTTOM", 3, "javax.swing.SwingConstants.BOTTOM"});
}
