@Override
public Set<String> getKnownVariables() {
Set<String> knownVariables = new HashSet<String>();
knownVariables.addAll(proxy.keySet());
knownVariables.addAll(context.keySet());
return knownVariables;
}
@Override
public VariableResolver getVariableResolver(String name) {
if (variableResolvers == null) variableResolvers = new HashMap<String, VariableResolver>();
VariableResolver vr = variableResolvers.get(name);
if (vr != null) {
return vr;
} else if (proxy.containsKey(name)) {
vr = new ProxyResolver(proxy, proxy.get(name));
variableResolvers.put(name, vr);
return vr;
} else if (context.containsKey(name)) {
vr = new ProcessingContextResolver(context, name);
variableResolvers.put(name, vr);
return vr;
} else if (nextFactory != null) {
return nextFactory.getVariableResolver(name);
}
throw new UnresolveablePropertyException("unable to resolve variable '" + name + "'");
}
public String getName() {
return proxy.getNode().getName();
}
public Node getNode() {
return proxy.getNode();
}
public boolean isResolveable(String name) {
return (variableResolvers != null && variableResolvers.containsKey(name))
|| (proxy.containsKey(name))
|| (context.containsKey(name))
|| (nextFactory != null && nextFactory.isResolveable(name));
}
