Package Torello.Browser

Class Example02

java.lang.Object

Torello.Browser.Example02

public class Example02
extends java.lang.Object

This example code saves a picture of the Sam Altman Web Page to disk.

Hi-Lited Source-Code:

• View Here: Torello/Browser/Example02.java
• Open New Browser-Tab: Torello/Browser/Example02.java

File Size: 3,395 Bytes Line Count: 107 '\n' Characters Found

Method Summary

Example Steps
Modifier and Type	Method
static void	main(String[] argv)
static void	waitForLoad(WebSocketSender pws, int tries, int ms)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

main

🡇 ⇈ ⮫ 🗕 🗗 🗖

public static void main(java.lang.String[] argv)
                 throws java.lang.Exception

Run this method, save the image.

Throws:

java.lang.Exception

Code:

Exact Method Body:

 // Opening a WebSocket Browser-Connection to the currently running Chrome-Instance
 final WebSocketSender bws = Example01.STEP_01_openBrowserWebSocket();

 // Close any currently opened pages / tabs inside the browser
 Example01.STEP_02_closeAllPages(bws);

 // Open a Browser-Page (using 'bws') for reading Sam Altman's Wikipedia Profile
 final String targetID = Example01.STEP_03_openSamAltmanPage(bws);

 // Create / Build a WebSocket-Connection object to the newly opened Sam Altman Page.
 final WebSocketSender pws = Example01.STEP_04_getPageWebSocket(targetID);

 // Enable the Page domain
 System.out.println("\nPage.enable()");
 Page.enable(null /* Boolean */).exec(pws).await();

 // Chat-GPT and Gemini are fighting.  Chat-GPT told me to add this.
 RunTime.enable().exec(pws).await();
 waitForLoad(pws, 10, 1000);

 final String b64Img = Page
     // .captureScreenshot("png", null, null, null, null, null).exec(pws).await();
     .captureScreenshot()
     .accept("format", "png")
     .accept("fromSurface", true)
     .build()
     .exec(pws)
     .await();

 final BufferedImage img = IF.decodeBase64ToImage(b64Img, IF.JPG);

 ImageIO.write(img, "jpg", new File("image.jpg"));

 bws.disconnect();
 pws.disconnect();

waitForLoad

🡅 ⇈ ⮫ 🗕 🗗 🗖

public static void waitForLoad(WebSocketSender pws,
                               int tries,
                               int ms)
                        throws java.lang.Exception

Chat-GPT wrote this method; it waits for the page to load

Throws:

java.lang.Exception

See Also:

RunTime.evaluate(java.lang.String, java.lang.String, java.lang.Boolean, java.lang.Boolean, java.lang.Integer, java.lang.Boolean, java.lang.Boolean, java.lang.Boolean, java.lang.Boolean, java.lang.Boolean, java.lang.Number, java.lang.Boolean, java.lang.Boolean, java.lang.Boolean, java.lang.String, Torello.Browser.JavaScriptAPI.RunTime.SerializationOptions), RunTime.RemoteObject, RunTime.ExceptionDetails

Code:

Exact Method Body:

 for (int i = 0; i < tries; i++)
 {
     /*
     // We have "The Builder" class now!  This is no longer needed.
     final RunTime.evaluate$$RET r = RunTime.evaluate(
             "document.readyState",
             null, null, null, null, null, 
             null, null, null, null, null,
             null, null, null, null, null
         )
         .exec(pws)
         .await();
     */

    final RunTime.evaluate$$RET r = RunTime
         .evaluate()
         .accept("expression", "document.readyState")
         .accept("returnByValue", true)
         .build()
         .exec(pws)
         .await();

     final String val = ((JsonString) r.result.value).getString();

     if ("complete".equalsIgnoreCase(val))
     {
         System.out.println("COMPLETED");
         return;
     }
            
     Thread.sleep(ms);
 }