}
            }
        }
        for (Profile profile : interpolatedActivations) {
            Activation activation = profile.getActivation();
            Optional<Activation> a = Optional.ofNullable(activation);
            a.map(Activation::getFile).ifPresent(fa -> {
                Interpolation nt =

          <description>The ID of this build profile, for activation
            purposes.</description>
        </field>
        <field>
          <name>activation</name>
          <version>1.0.0</version>
          <description><![CDATA[The conditional logic which will automatically
            trigger the inclusion of this profile.]]></description>
          <association>
            <type>Activation</type>
          </association>
        </field>

                                    + " expressions are not supported during profile activation.",
                            locationSupplier.get());
                }
            }
        };
        Optional<Activation> root = Optional.of(activation);
        stk.push(new ActivationFrame("activation", root));

                    + ") with new instance from source: " + profile.getSource());
        }

        profilesById.put(profile.getId(), profile);

        Activation activation = profile.getActivation();

        if (activation != null && activation.isActiveByDefault()) {
            activateAsDefault(profileId);
        }
    }

    /* (non-Javadoc)

     * 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

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

    /**
     * Sets the system properties to use for interpolation and profile activation. The system properties are collected

    private static final String JDK_VERSION = System.getProperty("java.version");

    @Override
    public boolean isActive(Profile profile) throws ProfileActivationException {
        Activation activation = profile.getActivation();

        String jdk = activation.getJdk();

        // null case is covered by canDetermineActivation(), so we can do a straight startsWith() here.
        if (jdk.startsWith("[") || jdk.startsWith("(")) {

    /**
     * Return the requested activation(s) of project(s) in this execution.
     * @return requested (de-)activation(s) of project(s) in this execution. Never {@code null}.
     */
    ProjectActivation getProjectActivation();

    /**
     * Return the requested activation(s) of profile(s) in this execution.
     * @return requested (de-)activation(s) of profile(s) in this execution. Never {@code null}.
     */

        File baseDirectory = getBaseDirectoryFromRequest(request);
        for (ProjectActivation.ProjectActivationSettings activation : projectSelectors) {
            if (activation.activationSettings().active()) {
                String selector = activation.selector();
                Optional<MavenProject> optSelectedProject =
                        findOptionalProjectBySelector(projects, baseDirectory, selector);

    void setUp() throws Exception {
        activator = new PropertyProfileActivator();
    }

    private Profile newProfile(String key, String value) {
        ActivationProperty ap =
                ActivationProperty.newBuilder().name(key).value(value).build();

        Activation a = Activation.newBuilder().property(ap).build();

        Profile p = Profile.newBuilder().activation(a).build();

        return p;
    }