public Status execute(ProcessingContext<? extends S, ? extends T> processingContext) {
ProcessingContext<S, T> childProcessingContext;
Status status;
status = Status.DECLINE;
childProcessingContext =
processingContextFactory.getProcessingContext(
processingContext.getRequestContext(), processingContext.getResponseContext());
for (Handler<S, T> handler : handlers) {
Matches matches;
matches = null;
if (!(handler instanceof Matcher)
|| (matches = ((Matcher<S, T>) handler).getMatches(processingContext)) != null) {
childProcessingContext.setAttribute(ProcessingContext.MATCHES_ATTRIBUTE, matches);
status = handler.execute(processingContext);
if (status == Status.ERROR || status == Status.DONE) break;
}
}
return status;
}
public class AnyFlowHandler<S extends RequestContext, T extends ResponseContext>
implements FlowHandler<S, T>, ApplicationContextAware<S, T> {
private Handler<S, T>[] handlers = (Handler<S, T>[]) new Object[0];
private ProcessingContextFactory<S, T> processingContextFactory =
ProcessingContextFactory.getProcessingContextFactory();
public void setApplicationContext(
ApplicationContext<? extends S, ? extends T> applicationContext) {
processingContextFactory =
(ProcessingContextFactory<S, T>) applicationContext.getProcessingContextFactory();
}
public Handler<S, T>[] getHandlers() {
return handlers;
}
public void setHandlers(List<Handler<? extends S, ? extends T>> handlers) {
if (handlers == null) throw new IllegalArgumentException("handlers == null");
this.handlers = handlers.toArray(this.handlers);
}
public void addHandler(Handler<? extends S, ? extends T> handler) {
if (handler == null) throw new IllegalArgumentException("handler == null");
handlers = (Handler<S, T>[]) ArrayUtils.add(handlers, handler);
}
public void removeHandler(Handler<? extends S, ? extends T> handler) {
handlers = (Handler<S, T>[]) ArrayUtils.remove(handlers, handler);
}
public boolean hasMatches(ProcessingContext<? extends S, ? extends T> processingContext) {
for (Handler<S, T> handler : handlers) {
if (!(handler instanceof Matcher) || ((Matcher<S, T>) handler).hasMatches(processingContext))
return true;
}
return false;
}
public Matches getMatches(ProcessingContext<? extends S, ? extends T> processingContext) {
Matches matches;
matches = null;
for (Handler<S, T> handler : handlers) {
if (handler instanceof Matcher) {
Matches result;
if ((result = ((Matcher<S, T>) handler).getMatches(processingContext)) != null) {
if (matches == null) matches = result;
else matches.put(result);
}
}
}
return matches;
}
public Status execute(ProcessingContext<? extends S, ? extends T> processingContext) {
ProcessingContext<S, T> childProcessingContext;
Status status;
status = Status.DECLINE;
childProcessingContext =
processingContextFactory.getProcessingContext(
processingContext.getRequestContext(), processingContext.getResponseContext());
for (Handler<S, T> handler : handlers) {
Matches matches;
matches = null;
if (!(handler instanceof Matcher)
|| (matches = ((Matcher<S, T>) handler).getMatches(processingContext)) != null) {
childProcessingContext.setAttribute(ProcessingContext.MATCHES_ATTRIBUTE, matches);
status = handler.execute(processingContext);
if (status == Status.ERROR || status == Status.DONE) break;
}
}
return status;
}
}
