okhttp3.recipes.PrintEvents Maven / Gradle / Ivy
/*
* Copyright (C) 2017 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.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Connection;
import okhttp3.EventListener;
import okhttp3.Handshake;
import okhttp3.OkHttpClient;
import okhttp3.Protocol;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.ResponseBody;
public final class PrintEvents {
private final OkHttpClient client = new OkHttpClient.Builder()
.eventListenerFactory(PrintingEventListener.FACTORY)
.build();
public void run() throws Exception {
Request washingtonPostRequest = new Request.Builder()
.url("https://www.washingtonpost.com/")
.build();
client.newCall(washingtonPostRequest).enqueue(new Callback() {
@Override public void onFailure(Call call, IOException e) {
}
@Override public void onResponse(Call call, Response response) throws IOException {
try (ResponseBody body = response.body()) {
// Consume and discard the response body.
body.source().readByteString();
}
}
});
Request newYorkTimesRequest = new Request.Builder()
.url("https://www.nytimes.com/")
.build();
client.newCall(newYorkTimesRequest).enqueue(new Callback() {
@Override public void onFailure(Call call, IOException e) {
}
@Override public void onResponse(Call call, Response response) throws IOException {
try (ResponseBody body = response.body()) {
// Consume and discard the response body.
body.source().readByteString();
}
}
});
}
public static void main(String... args) throws Exception {
new PrintEvents().run();
}
private static final class PrintingEventListener extends EventListener {
private static final Factory FACTORY = new Factory() {
final AtomicLong nextCallId = new AtomicLong(1L);
@Override public EventListener create(Call call) {
long callId = nextCallId.getAndIncrement();
System.out.printf("%04d %s%n", callId, call.request().url());
return new PrintingEventListener(callId, System.nanoTime());
}
};
final long callId;
final long callStartNanos;
PrintingEventListener(long callId, long callStartNanos) {
this.callId = callId;
this.callStartNanos = callStartNanos;
}
private void printEvent(String name) {
long elapsedNanos = System.nanoTime() - callStartNanos;
System.out.printf("%04d %.3f %s%n", callId, elapsedNanos / 1000000000d, name);
}
@Override public void callStart(Call call) {
printEvent("callStart");
}
@Override public void dnsStart(Call call, String domainName) {
printEvent("dnsStart");
}
@Override public void dnsEnd(Call call, String domainName, List inetAddressList) {
printEvent("dnsEnd");
}
@Override public void connectStart(
Call call, InetSocketAddress inetSocketAddress, Proxy proxy) {
printEvent("connectStart");
}
@Override public void secureConnectStart(Call call) {
printEvent("secureConnectStart");
}
@Override public void secureConnectEnd(Call call, Handshake handshake) {
printEvent("secureConnectEnd");
}
@Override public void connectEnd(
Call call, InetSocketAddress inetSocketAddress, Proxy proxy, Protocol protocol) {
printEvent("connectEnd");
}
@Override public void connectFailed(Call call, InetSocketAddress inetSocketAddress, Proxy proxy,
Protocol protocol, IOException ioe) {
printEvent("connectFailed");
}
@Override public void connectionAcquired(Call call, Connection connection) {
printEvent("connectionAcquired");
}
@Override public void connectionReleased(Call call, Connection connection) {
printEvent("connectionReleased");
}
@Override public void requestHeadersStart(Call call) {
printEvent("requestHeadersStart");
}
@Override public void requestHeadersEnd(Call call, Request request) {
printEvent("requestHeadersEnd");
}
@Override public void requestBodyStart(Call call) {
printEvent("requestBodyStart");
}
@Override public void requestBodyEnd(Call call, long byteCount) {
printEvent("requestBodyEnd");
}
@Override public void responseHeadersStart(Call call) {
printEvent("responseHeadersStart");
}
@Override public void responseHeadersEnd(Call call, Response response) {
printEvent("responseHeadersEnd");
}
@Override public void responseBodyStart(Call call) {
printEvent("responseBodyStart");
}
@Override public void responseBodyEnd(Call call, long byteCount) {
printEvent("responseBodyEnd");
}
@Override public void callEnd(Call call) {
printEvent("callEnd");
}
@Override public void callFailed(Call call, IOException ioe) {
printEvent("callFailed");
}
}
}
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