import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.model.Activation;
import org.apache.maven.api.model.Profile;
import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.model.ProfileActivationContext;
import org.apache.maven.api.services.model.ProfileActivator;

/**
 * Determines profile activation based on the project's packaging.
 */
@Named("packaging")
@Singleton

     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The execution properties, never {@code null}.
     */
    Map<String, String> getSystemProperties();

    /**
     * Gets the user properties to use for interpolation and profile activation. The user properties have been

  </build>

  <profiles>
    <profile>
      <id>test-1</id>
      <activation>
        <jdk>[1.4,)</jdk>
      </activation>
      <properties>
        <jdkProperty1>PASSED</jdkProperty1>
      </properties>
    </profile>
    <profile>
      <id>test-2</id>
      <activation>
        <jdk>(,100)</jdk>
      </activation>
      <properties>
        <jdkProperty2>PASSED</jdkProperty2>
      </properties>

     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The system properties, never {@code null}.
     */
    Properties getSystemProperties();

    /**
     * Sets the user properties to use for interpolation and profile activation. The user properties have been

specific language governing permissions and limitations
under the License.
-->

<settings>
  <profiles>
    <profile>
      <id>settings</id>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
      <properties>
        <settingsProfile>applied</settingsProfile>
        <pomVsSettings>settings</pomVsSettings>
      </properties>
    </profile>
  </profiles>

    public boolean canDetermineActivation(Profile profile) {
        Activation activation = profile.getActivation();
        return activation != null && activation.getOs() != null;
    }

    public boolean isActive(Profile profile) {
        Activation activation = profile.getActivation();
        ActivationOS os = activation.getOs();

        boolean result = ensureAtLeastOneNonNull(os);

    /**
     * Determines whether specified activation method is present in configuration or not. It should help to have AND
     * between activation conditions
     * Need for solving https://issues.apache.org/jira/browse/MNG-4565
     * @param profile The profile whose activation status should be determined, must not be {@code null}.
     * @param context The environmental context used to determine the activation status of the profile, must not be

  </description>

  <properties>
    <overridden>CHILD</overridden>
  </properties>

  <profiles>
    <profile>
      <id>it-child</id>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
    </profile>
  </profiles>

                            "Failed to determine activation for profile " + profile.getId(),
                            profile.getLocation(""),
                            e);
                    return false;
                }
            }
        }
        return isActive;
    }

    private boolean isActiveByDefault(Profile profile) {
        Activation activation = profile.getActivation();

        this.activations.put(id, ActivationSettings.ACTIVATION_REQUIRED);
    }

    /**
     * Mark a profile as optional and activated.
     * @param id The identifier of the profile.
     */
    public void activateOptionalProfile(String id) {
        this.activations.put(id, ActivationSettings.ACTIVATION_OPTIONAL);
    }

    /**
     * Mark a profile as required and deactivated.