[java][bidi]: implement getClientWindows method

[navin772]

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Description

Implemented getClientWindows method in java for BiDi and added the test.

BiDi spec - https://w3c.github.io/webdriver-bidi/#command-browser-getClientWindows

Currently the PR is a draft as the above method is not released for stable, tested out with firefox nightly and chrome canary.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

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PR Type

Enhancement, Tests

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Description

• Implemented getClientWindows method for BiDi in Java.

• Added ClientWindow and ClientWindowInfo classes for window management.

• Introduced tests for getClientWindows functionality.

• Updated Bazel build files to include new dependencies and modules.

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Changes walkthrough 📝

	Relevant files
Enhancement	ClientWindow.java Introduced `ClientWindow` class for window identification java/src/org/openqa/selenium/bidi/browser/ClientWindow.java Added ClientWindow class with an id field. Provided a constructor and getter for id. +30/-0    ClientWindowInfo.java Added `ClientWindowInfo` class for window details                java/src/org/openqa/selenium/bidi/browser/ClientWindowInfo.java Added ClientWindowInfo class with window properties. Implemented a static method to parse JSON into ClientWindowInfo. Provided getters for all window properties. +73/-0    Browser.java Enhanced `Browser` module with `getClientWindows` method  java/src/org/openqa/selenium/bidi/module/Browser.java Added getClientWindows method to fetch client windows. Introduced mappers for parsing JSON responses into ClientWindowInfo. +23/-0
Tests	BrowserCommandsTest.java Added tests for `getClientWindows` functionality                  java/test/org/openqa/selenium/bidi/browser/BrowserCommandsTest.java Added a test for the getClientWindows method. Verified the correctness of ClientWindowInfo properties. +13/-0
Configuration changes	BUILD.bazel Added Bazel build file for `browser` package                          java/src/org/openqa/selenium/bidi/browser/BUILD.bazel Created Bazel build file for the browser package. Included dependencies for the new ClientWindow and ClientWindowInfo classes. +26/-0    BUILD.bazel Updated Bazel build for `Browser` module                                  java/src/org/openqa/selenium/bidi/module/BUILD.bazel Updated Bazel build file to include browser package dependency. +1/-0

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PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 PR contains tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Null Handling The fromJson method does not handle null values for width, height, x, y coordinates which could be returned by the API. This may cause NullPointerException when accessing these values. public static ClientWindowInfo fromJson(Map<String, Object> map) { return new ClientWindowInfo( (String) map.get("clientWindow"), (String) map.get("state"), ((Number) map.get("width")).intValue(), ((Number) map.get("height")).intValue(), ((Number) map.get("x")).intValue(), ((Number) map.get("y")).intValue()); } Test Coverage The test only validates presence of clientWindow and state. Additional assertions should verify width, height, x, y coordinates and test different window states. List<ClientWindowInfo> clientWindows = browser.getClientWindows(); assertThat(clientWindows).isNotNull(); assertThat(clientWindows.size()).isGreaterThan(0); ClientWindowInfo windowInfo = clientWindows.get(0); assertThat(windowInfo.getClientWindow()).isNotNull(); assertThat(windowInfo.getState()).isNotNull(); }

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PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
Possible issue	Prevent null pointer exceptions Add null checks in fromJson() method to handle cases where map values might be null, preventing potential NullPointerException when accessing window properties. java/src/org/openqa/selenium/bidi/browser/ClientWindowInfo.java [40-48] public static ClientWindowInfo fromJson(Map<String, Object> map) { - return new ClientWindowInfo( - (String) map.get("clientWindow"), - (String) map.get("state"), - ((Number) map.get("width")).intValue(), - ((Number) map.get("height")).intValue(), - ((Number) map.get("x")).intValue(), - ((Number) map.get("y")).intValue()); + String clientWindow = (String) map.get("clientWindow"); + String state = (String) map.get("state"); + Integer width = map.get("width") != null ? ((Number) map.get("width")).intValue() : null; + Integer height = map.get("height") != null ? ((Number) map.get("height")).intValue() : null; + Integer x = map.get("x") != null ? ((Number) map.get("x")).intValue() : null; + Integer y = map.get("y") != null ? ((Number) map.get("y")).intValue() : null; + return new ClientWindowInfo(clientWindow, state, width, height, x, y); } Apply this suggestion Suggestion importance[1-10]: 9 __ Why: The suggestion addresses a critical issue by adding null checks to prevent potential NullPointerExceptions when parsing JSON data. This is particularly important for robust API handling where some window properties might be optional.	High
	Handle null response data safely Add null check for clientWindowsResponse to prevent NullPointerException if the response doesn't contain the expected 'clientWindows' key. java/src/org/openqa/selenium/bidi/module/Browser.java [59-63] List<Map<String, Object>> clientWindowsResponse = (List<Map<String, Object>>) response.get("clientWindows"); +List<ClientWindowInfo> clientWindows = new ArrayList<>(); +if (clientWindowsResponse != null) { + clientWindowsResponse.forEach(map -> clientWindows.add(ClientWindowInfo.fromJson(map))); +} -List<ClientWindowInfo> clientWindows = new ArrayList<>(); -clientWindowsResponse.forEach(map -> clientWindows.add(ClientWindowInfo.fromJson(map))); - Apply this suggestion Suggestion importance[1-10]: 8 __ Why: The suggestion adds important null-safety check for the clientWindows response, preventing potential runtime crashes if the API response is missing the expected data structure.	Medium

[navin772]

Hi @pujagani, chrome 133 and Firefox 135 is released in stable channel and I have tested this BiDi method.
I will open another PR for JS also.

[VietND96]

CI test requires Chrome 133 and Firefox 135 to pass
I will merge this and include it to check CI tests in PR of 4.29.0 #15274