/**
* Identifies the property rules set that the property belongs to, and notifies
* it about the property change.
*
* @param property The property that has been changed
*/
private void notifyChanges(String property) {
if (rulesList.size() == 0) {
return;
}
boolean notified = false;
Enumeration rules = rulesList.elements();
while (rules.hasMoreElements() && !notified) {
IPropertyRules therules = (IPropertyRules)rules.nextElement();
if (therules.checkPropertyAllowed(property)) {
therules.handlePropertyChanges(property);
}
}
}
/**
* Checks that a property is permitted to exist by any of the existing rules sets
*
* @param propertyName The name of the property to be set
* @return true if the property is permitted to store values. false otherwise
*/
public boolean checkPropertyAllowed(String propertyName) {
if (rulesList.size() == 0) {
return true;
} else {
boolean allowed = false;
Enumeration en = rulesList.elements();
//We're fine if we return true, inclusive rules sets
while (en.hasMoreElements() && !allowed) {
IPropertyRules rules = (IPropertyRules)en.nextElement();
if (rules.checkPropertyAllowed(propertyName)) {
allowed = true;
}
}
return allowed;
}
}
/**
* Checks that a property is allowed to store a certain value.
*
* @param propertyName The name of the property to be set
* @param propertyValue The value to be stored in the given property
* @return true if the property given is allowed to be stored. false otherwise.
*/
public boolean checkValueAllowed(String propertyName,
String propertyValue) {
if (rulesList.size() == 0) {
return true;
} else {
boolean allowed = false;
Enumeration en = rulesList.elements();
while (en.hasMoreElements() && !allowed) {
IPropertyRules rules = (IPropertyRules)en.nextElement();
if (rules.checkPropertyAllowed(propertyName)) {
if (rules.checkValueAllowed(propertyName, propertyValue)) {
allowed = true;
}
}
}
return allowed;
}
}
