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

        ArtifactHandler handler = newHandler(artifact);

        /*
         * NOTE: From Artifact.hasClassifier(), an empty string and a null both denote "no classifier". However, some
         * plugins only check for null, so be sure to nullify an empty classifier.
         */

variety of different logging implementations, including prebuilt support for the following: Log4J (version 1.2 or later) from Apache's Jakarta project. Each named Log instance is connected to a corresponding Log4J Logger. JDK Logging API, included in JDK 1.4 or later systems. Each named Log instance is connected to a corresponding java.util.logging.Logger instance. LogKit from Apache's Avalon project. Each named Log instance is connected to a corresponding LogKit Logger. NoOpLog implementation that...

entity. "You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License. "Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files. "Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types. "Work"...

         * Sets the direct dependencies. If both a root dependency and direct dependencies are given in the request, the
         * direct dependencies from the request will be merged with the direct dependencies from the root dependency's
         * artifact descriptor, giving higher priority to the dependencies from the request.
         *
         * @param dependencies the direct dependencies, may be {@code null}

  <name>Apache Maven</name>
  <description>
    Maven is a software project management and comprehension tool. Based on the concept of a project object model
    (POM), Maven can manage a project's build, reporting and documentation from a central piece of information.
  </description>
  <url>http://maven.apache.org/</url>
  <issueManagement>
    <system>jira</system>
    <url>http://jira.codehaus.org/browse/MPA</url>
  </issueManagement>

            if (force || updateCheckManager.isUpdateRequired(artifact, repository)) {
                logger.debug("Trying repository " + repository.getId() + " for resolution of " + artifact.getId()
                        + " from " + remotePath);

                try {
                    getRemoteFile(
                            repository,
                            artifact.getFile(),
                            remotePath,

    </dependency>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-model</artifactId>
    </dependency>
    <!-- Remove the following two deps to see how to remove Settings from the core -->
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-settings</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven</groupId>

import org.apache.maven.api.model.Scm;
import org.apache.maven.api.model.Site;
import org.apache.maven.model.v4.MavenMerger;

/**
 * The domain-specific model merger for the Maven POM, overriding generic code from parent class when necessary with
 * more adapted algorithms.
 *
 */
public class MavenModelMerger extends MavenMerger {

    /**

            Configuration for different proxy profiles. Multiple proxy profiles
            might come in handy for anyone working from a notebook or other
            mobile platform, to enable easy switching of entire proxy
            configurations by simply specifying the profile id, again either from
            the command line or from the defaults section below.
          </description>
          <association>
            <type>Proxy</type>

    /**
     * Sets whether the build should be resumed from the data in the resume.properties file.
     * @param resume Whether or not to resume a previous build.
     * @return This request, never {@code null}.
     */
    MavenExecutionRequest setResume(boolean resume);

    /**
     * @return Whether the build should be resumed from the data in the resume.properties file.
     */
    boolean isResume();