io.takari.builder.internal.Dependency Maven / Gradle / Ivy

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package io.takari.builder.internal;

import org.codehaus.plexus.util.xml.Xpp3Dom;

public class Dependency {

  private final String groupId;
  private final String artifactId;
  private final String classifier;

  private static boolean matchesClassifier(String c1, String c2) {
    return (c1 == null || c1.isEmpty() || c1.equals(c2));
  }

  public static Dependency fromString(String str) {
    String[] sections = str.split(":");
    String groupId = sections[0];
    String artifactId = sections[1];
    String classifier = sections.length > 2 ? sections[2] : null;

    return new Dependency(groupId, artifactId, classifier);
  }

  static Dependency fromConfig(Xpp3Dom config) {
    Xpp3Dom groupId = config.getChild("groupId");
    Xpp3Dom artifactId = config.getChild("artifactId");
    Xpp3Dom classifier = config.getChild("classifier");

    return new Dependency(groupId.getValue(), artifactId.getValue(),
        classifier != null ? classifier.getValue() : null);
  }

  public Dependency(String groupId, String artifactId, String classifier) {
    this.groupId = groupId;
    this.artifactId = artifactId;
    this.classifier = classifier;
  }

  public String getGroupId() {
    return groupId;
  }

  public String getArtifactId() {
    return artifactId;
  }

  public String getClassifier() {
    return classifier;
  }

  /**
   * Return true if the artifact matches the specified dependency. If the classifier is empty /
   * undefined, return the first matching artifact. If the classifier is defined, return only an
   * artifact matching the specified classifier.
   **/
  public boolean matchesArtifact(String groupId, String artifactId, String version,
      String classifier) {
    return (getGroupId().equals(groupId) && getArtifactId().equals(artifactId)
        && matchesClassifier(getClassifier(), classifier));
  }



  @Override
  public String toString() {
    return (getGroupId() + ":" + getArtifactId()
        + ((getClassifier() == null || getClassifier().isEmpty()) ? "" : (":" + getClassifier())));
  }
}