gov.nasa.pds.api.registry.model.identifiers.PdsLidVid Maven / Gradle / Ivy

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Registry API Service contributing to the PDS Federated Search API

There is a newer version: 4.5.6

package gov.nasa.pds.api.registry.model.identifiers;

public class PdsLidVid extends PdsProductIdentifier implements Comparable {
  private final PdsLid lid;
  private final PdsVid vid;

  public PdsLid getLid() {
    return lid;
  }

  public PdsVid getVid() {
    return vid;
  }

  public PdsLidVid(PdsLid lid, PdsVid vid) {
    this.lid = lid;
    this.vid = vid;
  }

  public static PdsLidVid fromString(String lidVidString) {
    String[] chunks = lidVidString.split(LIDVID_SEPARATOR);

    if (chunks.length != 2) {
      String errMsg = String.format("Provided value '%s' is not a valid LIDVID", lidVidString);
      throw new IllegalArgumentException(errMsg);
    }

    PdsLid lid = new PdsLid(chunks[0]);
    PdsVid vid = PdsVid.fromString(chunks[1]);

    return new PdsLidVid(lid, vid);
  }

  @Override
  public int hashCode() {
    return this.toString().hashCode();
  }

  @Override
  public boolean equals(Object other) {
    if (this == other) {
      return true;
    }

    if (!(other instanceof PdsLidVid)) {
      return false;
    }

    PdsLidVid otherAsLidVid = (PdsLidVid) other;
    return this.lid.equals(otherAsLidVid.lid) && this.vid.equals(otherAsLidVid.vid);
  }

  @Override
  public String toString() {
    return String.format("%s::%s", this.lid, this.vid);
  }

  @Override
  public int compareTo(PdsLidVid other) {
    if (this.equals(other)) {
      return 0;
    }

    if (!this.lid.equals(other.lid)) {
      String errMsg = String.format(
          "Comparison is only defined between LIDVIDs with identical LIDs (got '%s', '%s')",
          this.lid, other.lid);
      throw new IllegalArgumentException(errMsg);
    }

    return this.vid.compareTo(other.vid);
  }
}