public void setRefid(Reference r) {
Object o = r.getReferencedObject();
if (!(o instanceof ResourceCollection)) {
throw new BuildException(r.getRefId() + " doesn\'t denote a ResourceCollection");
}
rc = (ResourceCollection) o;
}
/**
* @return true if the reference exists and if type is set, if the reference is the same type
* @exception BuildException if an error occurs
*/
public boolean eval() throws BuildException {
if (ref == null) {
throw new BuildException("No reference specified for isreference " + "condition");
}
String key = ref.getRefId();
if (!getProject().hasReference(key)) {
return false;
} else if (type == null) {
return true;
} else {
Object o = getProject().getReference(key);
Class typeClass = (Class) getProject().getDataTypeDefinitions().get(type);
if (typeClass == null) {
typeClass = (Class) getProject().getTaskDefinitions().get(type);
}
if (typeClass == null) {
// don't know the type, should throw exception instead?
return false;
}
return typeClass.isAssignableFrom(o.getClass());
}
}