import org.apache.maven.api.services.model.ProfileActivator;

/**
 * Determines profile activation based on the existence or value of some execution property.
 *
 * @see ActivationProperty
 */
@Named("property")
@Singleton
public class PropertyProfileActivator implements ProfileActivator {

    @Override
    public boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {

    private static final Pattern FILTER_3 = Pattern.compile("\\."); // used for split now

    @Override
    public boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        Activation activation = profile.getActivation();

        if (activation == null) {
            return false;
        }

        String jdk = activation.getJdk();

/**
 * Determines profile activation based on the operating system of the current runtime platform.
 *
 * @see ActivationOS
 */
@Named("os")
@Singleton
public class OperatingSystemProfileActivator implements ProfileActivator {

    private static final String REGEX_PREFIX = "regex:";

    @Override

org.apache.maven.internal.impl.model.BuildModelTransformer
org.apache.maven.internal.impl.model.profile.FileProfileActivator
org.apache.maven.internal.impl.model.profile.JdkVersionProfileActivator
org.apache.maven.internal.impl.model.profile.OperatingSystemProfileActivator
org.apache.maven.internal.impl.model.profile.PackagingProfileActivator
org.apache.maven.internal.impl.model.profile.PropertyProfileActivator

     * 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

notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with
the distribution.

Neither the name of JLine nor the names of its contributors
may be used to endorse or promote products derived from this
software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,

import java.util.concurrent.atomic.AtomicReference;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.LegacySupport;
import org.eclipse.aether.RepositorySystemSession;

/**
 * Helps to provide backward-compatibility with plugins that use legacy components. <strong>Warning:</strong> This is an
 * internal utility component that is only public for technical reasons, it is not part of the public API. In

                problems.messages.get(0),
                "'profiles.profile.id' must be unique but found duplicate profile with id test");
    }

    @Test
    void testValidateUniqueRepositoryId() throws Exception {
        Settings settings = new Settings();
        Profile profile = new Profile();
        profile.setId("pro");
        settings.addProfile(profile);
        Repository repo1 = new Repository();

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.internal.impl.model.profile;

import java.util.Locale;
import java.util.stream.Stream;

/**
 * OS support
 */
public class Os {

    /**
     * The OS Name.
     */

        for (Server server : settings.getServers()) {
            server = server.clone();

            request.addServer(server);
        }

        //  <proxies>
        //    <proxy>
        //      <active>true</active>
        //      <protocol>http</protocol>
        //      <host>proxy.somewhere.com</host>
        //      <port>8080</port>