com.databricks.sdk.core.UserAgent Maven / Gradle / Ivy

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package com.databricks.sdk.core;

import java.util.HashMap;
import java.util.Map;
import java.util.stream.Collectors;

public class UserAgent {
  private static String product = "unknown";
  private static String productVersion = "0.0.0";

  private static final Map otherInfo = new HashMap<>();

  // TODO: check if reading from
  // /META-INF/maven/com.databricks/databrics-sdk-java/pom.properties
  // or getClass().getPackage().getImplementationVersion() is enough.
  private static final String version = "0.18.0";

  public static void withProduct(String product, String productVersion) {
    UserAgent.product = product;
    UserAgent.productVersion = productVersion;
  }

  public static void withOtherInfo(String key, String value) {
    otherInfo.put(key, value);
  }

  private static String osName() {
    String osName = System.getProperty("os.name").toLowerCase();
    if (osName.contains("mac")) {
      return "darwin";
    } else if (osName.contains("linux")) {
      return "linux";
    } else if (osName.contains("win")) {
      return "windows";
    }
    return "unknown";
  }

  private static String jvmVersion() {
    String jvmVersion = System.getProperty("java.version");
    String[] split = jvmVersion.split("_");
    return split[0];
  }

  public static String asString() {
    String otherInfo =
        UserAgent.otherInfo.entrySet().stream()
            .map(e -> String.format(" %s/%s", e.getKey(), e.getValue()))
            .collect(Collectors.joining());
    return String.format(
        "%s/%s databricks-sdk-java/%s jvm/%s os/%s%s",
        product, productVersion, version, jvmVersion(), osName(), otherInfo);
  }
}