com.alibaba.csp.sentinel.adapter.jaxrs.fallback.DefaultSentinelJaxRsFallback Maven / Gradle / Ivy
/*
* Copyright 1999-2020 Alibaba Group Holding Ltd.
*
* 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
*
* https://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 com.alibaba.csp.sentinel.adapter.jaxrs.fallback;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;
import java.util.concurrent.FutureTask;
/**
* @author sea
*/
public class DefaultSentinelJaxRsFallback implements SentinelJaxRsFallback {
@Override
public Response fallbackResponse(String route, Throwable cause) {
return Response.status(Response.Status.TOO_MANY_REQUESTS)
.entity("Blocked by Sentinel (flow limiting)")
.type(MediaType.APPLICATION_JSON_TYPE)
.build();
}
@Override
public Future fallbackFutureResponse(final String route, final Throwable cause) {
return new FutureTask<>(new Callable() {
@Override
public Response call() throws Exception {
return fallbackResponse(route, cause);
}
});
}
}