package org.spf4j.avro;
   
   import org.spf4j.base.CharSequences;
   
   /**
    * @author Zoltan Farkas
    */
   public final class SchemaRef {
  
    private final String groupId;
  
    private final String artifactId;
  
    private final String version;
  
    private final String ref;
  
    public SchemaRef(final CharSequence sequence) {
      if (!CharSequences.isValidFileName(sequence)) {
        throw new IllegalArgumentException("Invalid charecters in " + sequence);
      }
      int l = sequence.length();
      int idx = -1;
      int idxP1 = idx + 1;
      idx = CharSequences.indexOf(sequence, idxP1, l, ':');
      if (idx < 0) {
        throw new IllegalArgumentException("Invalid schema id " + sequence);
      }
      groupId = sequence.subSequence(idxP1, idx).toString();
      idxP1 = idx + 1;
      idx = CharSequences.indexOf(sequence, idxP1, l, ':');
      if (idx < 0) {
        throw new IllegalArgumentException("Invalid schema id " + sequence);
      }
      artifactId = sequence.subSequence(idxP1, idx).toString();
      idxP1 = idx + 1;
      idx = CharSequences.indexOf(sequence, idxP1, l, ':');
      if (idx < 0) {
        throw new IllegalArgumentException("Invalid schema id " + sequence);
      }
      version = sequence.subSequence(idxP1, idx).toString();
      ref = sequence.subSequence(idx + 1, l).toString();
    }
  
    public String getGroupId() {
      return groupId;
    }
  
    public String getArtifactId() {
      return artifactId;
    }
  
    public String getVersion() {
      return version;
    }
  
    public String getRef() {
      return ref;
    }
  
    @Override
    public String toString() {
      return groupId + ':' + artifactId + ':' + version + ':' + ref;
    }
  
  }