public ArtifactNotFoundException(String message,
    Artifact artifact) 
{
        this( message, artifact.getGroupId(), artifact.getArtifactId(), artifact.getVersion(), artifact.getType(),
              artifact.getClassifier(), null, artifact.getDownloadUrl(), artifact.getDependencyTrail() );
}

 protected ArtifactNotFoundException(String message,
    Artifact artifact,
    List remoteRepositories) 
{
        super( message, artifact, remoteRepositories );
}

 protected ArtifactNotFoundException(String message,
    Artifact artifact,
    List remoteRepositories,
    Throwable t) 
{
        this( message, artifact.getGroupId(), artifact.getArtifactId(), artifact.getVersion(), artifact.getType(), artifact.getClassifier(),
              remoteRepositories, artifact.getDownloadUrl(), artifact.getDependencyTrail(), t );
}

 public ArtifactNotFoundException(String message,
    String groupId,
    String artifactId,
    String version,
    String type,
    String classifier,
    List remoteRepositories,
    String downloadUrl,
    List path,
    Throwable t) 
{
        super( constructMissingArtifactMessage( message, "", groupId, artifactId, version, type, classifier,downloadUrl, path ), groupId, artifactId,
               version, type, classifier, remoteRepositories, null, t );
        this.downloadUrl = downloadUrl;
}

 public String getDownloadUrl() 
{
        return downloadUrl;
}