Java-WebSocket Source Code Files are provided in the source package file, java-websocket-1.5.4-src.zip.

You can download httpcomponents-client-5.2-src.zip as described in the previous tutorial and go to the "src" sub-folder to view Source Code files.

You can also browse HttpComponents Client Source Code files below:

⏎ org/java_websocket/extensions/ExtensionRequestData.java

package org.java_websocket.extensions;

import java.util.LinkedHashMap;
import java.util.Map;

public class ExtensionRequestData {

  public static final String EMPTY_VALUE = "";

  private Map<String, String> extensionParameters;
  private String extensionName;

  private ExtensionRequestData() {
    extensionParameters = new LinkedHashMap<>();
  }

  public static ExtensionRequestData parseExtensionRequest(String extensionRequest) {
    ExtensionRequestData extensionData = new ExtensionRequestData();
    String[] parts = extensionRequest.split(";");
    extensionData.extensionName = parts[0].trim();

    for (int i = 1; i < parts.length; i++) {
      String[] keyValue = parts[i].split("=");
      String value = EMPTY_VALUE;

      // Some parameters don't take a value. For those that do, parse the value.
      if (keyValue.length > 1) {
        String tempValue = keyValue[1].trim();

        // If the value is wrapped in quotes, just get the data between them.
        if ((tempValue.startsWith("\"") && tempValue.endsWith("\""))
            || (tempValue.startsWith("'") && tempValue.endsWith("'"))
            && tempValue.length() > 2) {
          tempValue = tempValue.substring(1, tempValue.length() - 1);
        }

        value = tempValue;
      }

      extensionData.extensionParameters.put(keyValue[0].trim(), value);
    }

    return extensionData;
  }

  public String getExtensionName() {
    return extensionName;
  }

  public Map<String, String> getExtensionParameters() {
    return extensionParameters;
  }
}

⏎ org/java_websocket/extensions/ExtensionRequestData.java

Or download all of them as a single archive file:

File name: java-websocket-1.5.4-fyi.zip
File size: 153990 bytes
Release date: 2022-07-04
Download 

⇒ Download and Install javax.websocket-api-1.1.jar

⇐ Download Java-WebSocket Implementation

⇑ Downloading and Reviewing WebSocket.jar

⇑⇑ FAQ for WebSocket API