/**
  * Constructs a resource identifier.
  *
  * @param publicId The public identifier.
  * @param literalSystemId The literal system identifier.
  * @param baseSystemId The base system identifier.
  * @param expandedSystemId The expanded system identifier.
  * @param namespace The namespace.
  */
 public XMLResourceIdentifierImpl(
     String publicId,
     String literalSystemId,
     String baseSystemId,
     String expandedSystemId,
     String namespace) {
   setValues(publicId, literalSystemId, baseSystemId, expandedSystemId, namespace);
 } // <init>(String,String,String,String,String)
 /** Sets the values of the resource identifier. */
 public void setValues(
     String publicId, String literalSystemId, String baseSystemId, String expandedSystemId) {
   setValues(publicId, literalSystemId, baseSystemId, expandedSystemId, null);
 } // setValues(String,String,String,String)