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kklisurakklisura
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Add some more examples
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‎cdtp-examples/pom.xml‎

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<maven.compiler.target>1.8</maven.compiler.target>
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<logback.version>1.2.3</logback.version>
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<jackson.version>2.9.3</jackson.version>
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<common.codec.version>1.11</common.codec.version>
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</properties>
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<dependencies>
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<artifactId>cdtp-java-client</artifactId>
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<version>1.0-SNAPSHOT</version>
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</dependency>
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<dependency>
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<groupId>commons-codec</groupId>
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<artifactId>commons-codec</artifactId>
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<version>${common.codec.version}</version>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-core</artifactId>
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<version>${jackson.version}</version>
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</dependency>
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</dependencies>
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<build>

‎cdtp-examples/src/main/java/com/github/kklisura/cdpt/examples/BlockUrlGIvenPatternExample.java‎

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package com.github.kklisura.cdpt.examples;
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import com.github.kklisura.cdtp.launch.ChromeLauncher;
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import com.github.kklisura.cdtp.protocol.commands.Network;
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import com.github.kklisura.cdtp.protocol.commands.Page;
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import com.github.kklisura.cdtp.services.ChromeDevToolsService;
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import com.github.kklisura.cdtp.services.ChromeService;
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import com.github.kklisura.cdtp.services.types.ChromeTab;
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import java.util.Arrays;
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/**
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* Blocks an URLs given a patterns.
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*
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* @author Kenan Klisura
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*/
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public class BlockUrlGIvenPatternExample {
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public static void main(String[] args) throws InterruptedException {
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// Create chrome launcher.
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final ChromeLauncher launcher = new ChromeLauncher();
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// Launch chrome either as headless (true) or regular (false).
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final ChromeService chromeService = launcher.launch(false);
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// Create empty tab ie about:blank.
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final ChromeTab tab = chromeService.createTab();
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// Get DevTools service to this tab
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final ChromeDevToolsService devToolsService = chromeService.createDevToolsService(tab);
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// Get individual commands
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final Page page = devToolsService.getPage();
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final Network network = devToolsService.getNetwork();
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// Block some urls.
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network.setBlockedURLs(Arrays.asList(
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"**/*.css",
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"**/*.png",
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"**/*.svg"
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));
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// Enable network events
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network.enable();
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// Wait for on load event
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page.onLoadEventFired(
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event -> {
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// Close devtools.
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devToolsService.close();
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});
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// Enable page events.
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page.enable();
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// Navigate to github.com.
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page.navigate("http://github.com");
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// Wait until devtools is closed.
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devToolsService.waitUntilClosed();
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// Close tab.
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chromeService.closeTab(tab);
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}
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}

‎cdtp-examples/src/main/java/com/github/kklisura/cdpt/examples/DumpHtmlFromPageExample.java‎

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// Close tab.
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chromeService.closeTab(tab);
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}
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}
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}

‎cdtp-examples/src/main/java/com/github/kklisura/cdpt/examples/InterceptAndBlockUrlsExample.java‎

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package com.github.kklisura.cdpt.examples;
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import com.github.kklisura.cdtp.launch.ChromeLauncher;
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import com.github.kklisura.cdtp.protocol.commands.Network;
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import com.github.kklisura.cdtp.protocol.commands.Page;
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import com.github.kklisura.cdtp.protocol.types.network.ErrorReason;
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import com.github.kklisura.cdtp.services.ChromeDevToolsService;
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import com.github.kklisura.cdtp.services.ChromeService;
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import com.github.kklisura.cdtp.services.types.ChromeTab;
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/**
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* Intercept and block per URL. Since requestIntercepted event is still Experimental it might not
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* work on your browser.
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*
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* @author Kenan Klisura
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*/
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public class InterceptAndBlockUrlsExample {
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public static void main(String[] args) throws InterruptedException {
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// Create chrome launcher.
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final ChromeLauncher launcher = new ChromeLauncher();
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// Launch chrome either as headless (true) or regular (false).
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final ChromeService chromeService = launcher.launch(false);
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// Create empty tab ie about:blank.
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final ChromeTab tab = chromeService.createTab();
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// Get DevTools service to this tab
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final ChromeDevToolsService devToolsService = chromeService.createDevToolsService(tab);
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// Get individual commands
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final Page page = devToolsService.getPage();
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final Network network = devToolsService.getNetwork();
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network.onRequestIntercepted(
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event -> {
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String interceptionId = event.getInterceptionId();
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boolean blocked = isBlocked(event.getRequest().getUrl());
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System.out.printf(
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"%s - %s%s",
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(blocked ? "BLOCKED" : "ALLOWED"),
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event.getRequest().getUrl(),
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System.lineSeparator());
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ErrorReason errorReason = blocked ? ErrorReason.ABORTED : null;
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network.continueInterceptedRequest(
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interceptionId, errorReason, null, null, null, null, null, null);
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});
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page.onLoadEventFired(event -> devToolsService.close());
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network.setRequestInterceptionEnabled(Boolean.TRUE);
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network.enable();
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// Enable page events.
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page.enable();
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// Navigate to github.com.
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page.navigate("http://github.com");
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devToolsService.waitUntilClosed();
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}
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public static boolean isBlocked(String url) {
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return url.endsWith(".png") || url.endsWith(".css");
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}
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}

‎cdtp-examples/src/main/java/com/github/kklisura/cdpt/examples/TakeScreenshotExample.java‎

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package com.github.kklisura.cdpt.examples;
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import com.github.kklisura.cdtp.launch.ChromeLauncher;
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import com.github.kklisura.cdtp.protocol.commands.Page;
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import com.github.kklisura.cdtp.services.ChromeDevToolsService;
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import com.github.kklisura.cdtp.services.ChromeService;
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import com.github.kklisura.cdtp.services.types.ChromeTab;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.Base64;
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/**
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* Takes a page screenshot.
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*
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* @author Kenan Klisura
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*/
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public class TakeScreenshotExample {
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public static void main(String[] args) throws InterruptedException {
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// Create chrome launcher.
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final ChromeLauncher launcher = new ChromeLauncher();
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// Launch chrome either as headless (true) or regular (false).
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final ChromeService chromeService = launcher.launch(false);
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// Create empty tab ie about:blank.
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final ChromeTab tab = chromeService.createTab();
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// Get DevTools service to this tab
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final ChromeDevToolsService devToolsService = chromeService.createDevToolsService(tab);
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// Get individual commands
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final Page page = devToolsService.getPage();
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page.onLoadEventFired(
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event -> {
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System.out.println("Taking screenshot...");
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dump("screenshot.png", page.captureScreenshot());
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System.out.println("Done!");
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devToolsService.close();
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});
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// Enable page events.
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page.enable();
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// Navigate to github.com.
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page.navigate("http://github.com");
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devToolsService.waitUntilClosed();
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}
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private static void dump(String fileName, String data) {
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FileOutputStream fileOutputStream = null;
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try {
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File file = new File(fileName);
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fileOutputStream = new FileOutputStream(file);
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fileOutputStream.write(Base64.getDecoder().decode(data));
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} catch (IOException e) {
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e.printStackTrace();
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} finally{
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if (fileOutputStream != null) {
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try {
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fileOutputStream.flush();
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fileOutputStream.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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}
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}

‎cdtp-examples/src/main/java/com/github/kklisura/cdpt/examples/TracingExample.java‎

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package com.github.kklisura.cdpt.examples;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.github.kklisura.cdtp.launch.ChromeLauncher;
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import com.github.kklisura.cdtp.protocol.commands.Page;
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import com.github.kklisura.cdtp.protocol.commands.Tracing;
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import com.github.kklisura.cdtp.services.ChromeDevToolsService;
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import com.github.kklisura.cdtp.services.ChromeService;
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import com.github.kklisura.cdtp.services.types.ChromeTab;
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import java.io.File;
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import java.io.IOException;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* Tracing example.
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*
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* @author Kenan Klisura
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*/
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public class TracingExample {
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public static void main(String[] args) throws InterruptedException {
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// Create chrome launcher.
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final ChromeLauncher launcher = new ChromeLauncher();
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// Launch chrome either as headless (true) or regular (false).
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final ChromeService chromeService = launcher.launch(false);
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// Create empty tab ie about:blank.
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final ChromeTab tab = chromeService.createTab();
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// Get DevTools service to this tab
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final ChromeDevToolsService devToolsService = chromeService.createDevToolsService(tab);
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// Get individual commands
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final Page page = devToolsService.getPage();
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final Tracing tracing = devToolsService.getTracing();
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final List<Object> dataCollectedList = new LinkedList<>();
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// Add tracing data to dataCollectedList
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tracing.onDataCollected(
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event -> {
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if (event.getValue() != null) {
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dataCollectedList.addAll(event.getValue());
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}
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});
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// When tracing is complete, dump dataCollectedList to JSON file.
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tracing.onTracingComplete(
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event -> {
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// Dump tracing to file.
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System.out.println("Tracing completed! Dumping to a file.");
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dump("tracing.json", dataCollectedList);
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devToolsService.close();
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});
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page.onLoadEventFired(
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event -> {
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tracing.end();
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});
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// Enable page events.
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page.enable();
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// Start tracing
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tracing.start();
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// Navigate to github.com.
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page.navigate("http://github.com");
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devToolsService.waitUntilClosed();
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}
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private static void dump(String fileName, List<Object> data) {
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final ObjectMapper objectMapper = new ObjectMapper();
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try {
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File file = new File(fileName);
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objectMapper.writeValue(file, data);
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}

‎cdtp-examples/src/resources/logback.xml‎

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</encoder>
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</appender>
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<!-- By default, the level of the root level is set to DEBUG -->
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<root level="INFO">
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<appender-ref ref="STDOUT" />
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</root>

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