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LogRequestsExample.java
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LogRequestsExample.java
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package com.github.kklisura.cdt.examples;
/*-
* #%L
* cdt-examples
* %%
* Copyright (C) 2018 - 2021 Kenan Klisura
* %%
* 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.
* #L%
*/
import com.github.kklisura.cdt.launch.ChromeLauncher;
import com.github.kklisura.cdt.protocol.commands.Network;
import com.github.kklisura.cdt.protocol.commands.Page;
import com.github.kklisura.cdt.services.ChromeDevToolsService;
import com.github.kklisura.cdt.services.ChromeService;
import com.github.kklisura.cdt.services.types.ChromeTab;
/**
* Log requests example with DevTools java client.
*
* <p>The following example will open chrome, create a tab with about:blank url, subscribe to
* requestWillBeSent event and then navigate to github.com.
*
* @author Kenan Klisura
*/
public class LogRequestsExample {
public static void main(String[] args) {
// Create chrome launcher.
final ChromeLauncher launcher = new ChromeLauncher();
// Launch chrome either as headless (true) or regular (false).
final ChromeService chromeService = launcher.launch(false);
// Create empty tab ie about:blank.
final ChromeTab tab = chromeService.createTab();
// Get DevTools service to this tab
final ChromeDevToolsService devToolsService = chromeService.createDevToolsService(tab);
// Get individual commands
final Page page = devToolsService.getPage();
final Network network = devToolsService.getNetwork();
// Log requests with onRequestWillBeSent event handler.
network.onRequestWillBeSent(
event ->
System.out.printf(
"request: %s %s%s",
event.getRequest().getMethod(),
event.getRequest().getUrl(),
System.lineSeparator()));
network.onLoadingFinished(
event -> {
// Close the tab and close the browser when loading finishes.
chromeService.closeTab(tab);
launcher.close();
});
// Enable network events.
network.enable();
// Navigate to github.com.
page.navigate("http://github.com");
devToolsService.waitUntilClosed();
}
}