org.openqa.selenium.Capabilities Maven / Gradle / Ivy

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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.openqa.selenium;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import java.util.Set;


/**
 * Describes a series of key/value pairs that encapsulate aspects of a browser.
 */
public interface Capabilities {

  default String getBrowserName() {
    return String.valueOf(Optional.ofNullable(getCapability("browserName")).orElse(""));
  }

  default Platform getPlatform() {
    Object rawPlatform = getCapability("platformName");

    if (rawPlatform == null) {
      rawPlatform = getCapability("platform");
    }

    if (rawPlatform == null) {
      return null;
    }

    if (rawPlatform instanceof String) {
      return Platform.fromString((String) rawPlatform);
    } else if (rawPlatform instanceof Platform) {
      return (Platform) rawPlatform;
    }

    throw new IllegalStateException("Platform was neither a string nor a Platform: " + rawPlatform);
  }

  default String getVersion() {
    return String.valueOf(Optional.ofNullable(getCapability("browserVersion")).orElse(
        Optional.ofNullable(getCapability("version")).orElse("")));
  }

  /**
   * @return The capabilities as a Map.
   */
  Map asMap();

  /**
   * @param capabilityName The capability to return.
   * @return The value, or null if not set.
   * @see org.openqa.selenium.remote.CapabilityType
   */
  Object getCapability(String capabilityName);

  /**
   * @param capabilityName The capability to check.
   * @return Whether or not the value is not null and not false.
   * @see org.openqa.selenium.remote.CapabilityType
   */
  default boolean is(String capabilityName) {
    Object cap = getCapability(capabilityName);
    if (cap == null) {
      // If it's not set explicitly, javascriptEnabled is true.
      return "javascriptEnabled".equals(capabilityName);
    }
    return cap instanceof Boolean ? (Boolean) cap : Boolean.parseBoolean(String.valueOf(cap));
  }

  /**
   * Merge two {@link Capabilities} together and return the union of the two as a new
   * {@link Capabilities} instance. Capabilities from {@code other} will override those in
   * {@code this}.
   */
  default Capabilities merge(Capabilities other) {
    HashMap map = new HashMap<>(asMap());
    if (other != null) {
      map.putAll(other.asMap());
    }
    return new ImmutableCapabilities(map);
  }

  default Set getCapabilityNames() {
    return Collections.unmodifiableSet(asMap().keySet());
  }
}