/*
 * 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 {{basePackage}}.demos.sentinel;

import java.io.PrintWriter;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.alibaba.csp.sentinel.adapter.spring.webmvc.callback.BlockExceptionHandler;

/**
 * @author Eric Zhao
 */
@Configuration
public class SentinelWebConfig {

    @Bean
    public BlockExceptionHandler sentinelBlockExceptionHandler() {
        return (request, response, e) -> {
            // 429 Too Many Requests
            response.setStatus(429);

            PrintWriter out = response.getWriter();
            out.print("Oops, blocked by Sentinel: " + e.getClass().getSimpleName());
            out.flush();
            out.close();
        };
    }
}
