okhttp3.recipes.CurrentDateHeader Maven / Gradle / Ivy
/*
* Copyright (C) 2018 Square, Inc.
*
* 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 okhttp3.recipes;
import java.io.IOException;
import java.util.Date;
import okhttp3.Headers;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
public final class CurrentDateHeader {
private final OkHttpClient client = new OkHttpClient.Builder()
.addInterceptor(new CurrentDateInterceptor())
.build();
public void run() throws Exception {
Request request = new Request.Builder()
.url("https://publicobject.com/helloworld.txt")
.build();
try (Response response = client.newCall(request).execute()) {
System.out.println(response.request().header("Date"));
}
}
static class CurrentDateInterceptor implements Interceptor {
@Override public Response intercept(Chain chain) throws IOException {
Request request = chain.request();
Headers newHeaders = request.headers()
.newBuilder()
.add("Date", new Date())
.build();
Request newRequest = request.newBuilder()
.headers(newHeaders)
.build();
return chain.proceed(newRequest);
}
}
public static void main(String... args) throws Exception {
new CurrentDateHeader().run();
}
}
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