org.glassfish.jersey.server.internal.routing.PathPatternRouter Maven / Gradle / Ivy
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package org.glassfish.jersey.server.internal.routing;
import java.util.List;
import java.util.regex.MatchResult;
import javax.inject.Inject;
import javax.inject.Provider;
import org.glassfish.jersey.server.ContainerRequest;
import org.glassfish.jersey.uri.PathPattern;
/**
* Matches the un-matched right-hand request path to a configured
* {@link PathPattern path pattern}.
*
* @author Paul Sandoz
* @author Marek Potociar (marek.potociar at oracle.com)
*/
class PathPatternRouter implements Router {
/**
* "Assisted injection" factory interface for {@link PathPatternRouter}.
*
* See also
* assisted injection in Guice.
*/
public static class Builder {
@Inject
private Provider contextProvider;
/**
* Build a path pattern request router.
*
* @param routes next-level request pre-processing stages to be returned in case the request
* matching in the built router is successful.
* @return a path pattern request router.
*/
public PathPatternRouter build(final List> routes) {
return new PathPatternRouter(contextProvider, routes);
}
}
private final Provider contextProvider;
private final List> acceptedRoutes;
/**
* Constructs route methodAcceptorPair that uses {@link PathPattern} instances for
* patch matching.
*
* @param provider {@link RoutingContext} injection provider.
* @param routes next-level request routers to be returned in case the router matching
* the built router is successful.
*/
private PathPatternRouter(final Provider provider,
final List> routes) {
this.contextProvider = provider;
this.acceptedRoutes = routes;
}
@Override
public Router.Continuation apply(final ContainerRequest request) {
final RoutingContext rc = contextProvider.get();
// Peek at matching information to obtain path to match
String path = rc.getFinalMatchingGroup();
for (final Route acceptedRoute : acceptedRoutes) {
final MatchResult m = acceptedRoute.routingPattern().match(path);
if (m != null) {
// Push match result information and rest of path to match
rc.pushMatchResult(m);
rc.pushTemplate(acceptedRoute.routingPattern().getTemplate());
return Router.Continuation.of(request, acceptedRoute.next());
}
}
// No match
return Router.Continuation.of(request);
}
}