/*
* Copyright 2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ratpack.http.internal;
import com.google.common.base.Joiner;
import ratpack.handling.Context;
import ratpack.handling.Handler;
import ratpack.handling.Handlers;
import ratpack.http.HttpMethod;
import java.util.Map;
import static io.netty.handler.codec.http.HttpResponseStatus.METHOD_NOT_ALLOWED;
public class MultiMethodHandler implements Handler {
private final Map<String, Handler> handlers;
public MultiMethodHandler(Map<String, Handler> handlers) {
this.handlers = handlers;
}
@Override
public void handle(Context context) throws Exception {
HttpMethod method = context.getRequest().getMethod();
if (method.isOptions()) {
String methods = Joiner.on(",").join(handlers.keySet());
context.getResponse().getHeaders().add(HttpHeaderConstants.ALLOW, methods);
context.getResponse().status(200).send();
} else {
for (Map.Entry<String, Handler> entry : handlers.entrySet()) {
String key = entry.getKey();
if (method.name(key)) {
entry.getValue().handle(context);
return;
}
}
Handlers.clientError(METHOD_NOT_ALLOWED.code()).handle(context);
}
}
}