com.alibaba.nacos.common.http.client.InterceptingHttpClientRequest Maven / Gradle / Ivy
/*
* Copyright 1999-2018 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
*
* 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 com.alibaba.nacos.common.http.client;
import com.alibaba.nacos.common.http.client.request.HttpClientRequest;
import com.alibaba.nacos.common.http.client.response.HttpClientResponse;
import com.alibaba.nacos.common.model.RequestHttpEntity;
import java.io.IOException;
import java.net.URI;
import java.util.Iterator;
/**
* Wrap http client request and perform corresponding interception.
*
* @author mai.jh
*/
public class InterceptingHttpClientRequest implements HttpClientRequest {
private final HttpClientRequest httpClientRequest;
private final Iterator interceptors;
public InterceptingHttpClientRequest(HttpClientRequest httpClientRequest,
Iterator interceptors) {
this.httpClientRequest = httpClientRequest;
this.interceptors = interceptors;
}
@Override
public HttpClientResponse execute(URI uri, String httpMethod, RequestHttpEntity requestHttpEntity)
throws Exception {
while (interceptors.hasNext()) {
HttpClientRequestInterceptor nextInterceptor = interceptors.next();
if (nextInterceptor.isIntercept(uri, httpMethod, requestHttpEntity)) {
return nextInterceptor.intercept();
}
}
return httpClientRequest.execute(uri, httpMethod, requestHttpEntity);
}
@Override
public void close() throws IOException {
httpClientRequest.close();
}
}