set standard number classes to public

src/main/java/org/xbib/standardnumber/ARK.java

@@ -26,7 +26,7 @@ import java.util.regex.Pattern;
  * See link:http://tools.ietf.org/html/draft-kunze-ark-18[ARK IETF RFC, window='_blank'],
  * link:http://www.cdlib.org/services/uc3/docs/jak_ARKs_Berlin_2012.pdf[10 years ARK, window='_blank']
  */
-class ARK extends StandardNumber implements Cloneable, Comparable<ARK> {
+public class ARK extends StandardNumber implements Cloneable, Comparable<ARK> {
 
     private static final Pattern PATTERN = Pattern.compile("[\\p{Graph}\\p{Punct}]{0,48}");
 
@@ -34,15 +34,10 @@ class ARK extends StandardNumber implements Cloneable, Comparable<ARK> {
 
     private URI uri;
 
-    protected ARK() {
+    public ARK() {
         super("ark");
     }
 
-    @Override
-    public int compareTo(ARK ark) {
-        return ark != null ? normalizedValue().compareTo(ark.normalizedValue()) : -1;
-    }
-
     @Override
     public ARK set(CharSequence value) {
         super.set(value);
@@ -112,9 +107,12 @@ class ARK extends StandardNumber implements Cloneable, Comparable<ARK> {
 
     @Override
     public Collection<String> getTypedVariants() {
-        return Arrays.asList(
+        return Arrays.asList(type().toUpperCase() + " " + format(), type().toUpperCase() + " " + normalizedValue());
-                type().toUpperCase() + " " + format(),
+    }
-                type().toUpperCase() + " " + normalizedValue());
+
+    @Override
+    public int compareTo(ARK ark) {
+        return ark != null ? normalizedValue().compareTo(ark.normalizedValue()) : -1;
     }
 
     @Override

src/main/java/org/xbib/standardnumber/DOI.java

@@ -42,7 +42,7 @@ import java.util.regex.Pattern;
  * and the context of use. The DOI system provides, within networks of DOI applications,
  * for unique identification, persistence, resolution, metadata and semantic interoperability.
  */
-class DOI extends StandardNumber implements Cloneable, Comparable<DOI> {
+public class DOI extends StandardNumber implements Cloneable, Comparable<DOI> {
 
     private static final Pattern DOI_PATTERN =
             Pattern.compile("\\b10\\.\\d{4}([.][0-9]+)*/[a-z0-9/\\-.()<>_:;\\\\]+\\b");
@@ -56,15 +56,10 @@ class DOI extends StandardNumber implements Cloneable, Comparable<DOI> {
 
     private URI httpDxDoi;
 
-    protected DOI() {
+    public DOI() {
         super("doi");
     }
 
-    @Override
-    public int compareTo(DOI doi) {
-        return doi != null ? normalizedValue().compareTo(doi.normalizedValue()) : -1;
-    }
-
     @Override
     public DOI createChecksum(boolean checksum) {
         return this;
@@ -141,6 +136,11 @@ class DOI extends StandardNumber implements Cloneable, Comparable<DOI> {
         }
     }
 
+    @Override
+    public int compareTo(DOI doi) {
+        return doi != null ? normalizedValue().compareTo(doi.normalizedValue()) : -1;
+    }
+
     @Override
     public boolean equals(Object object) {
         return object instanceof DOI && value.equals(((DOI) object).value);

src/main/java/org/xbib/standardnumber/EAN.java

@@ -12,13 +12,13 @@ import java.util.regex.Pattern;
  * Numbers encoded in UPC and EAN barcodes are known as
  * Global Trade Item Numbers (GTIN).
  */
-class EAN extends StandardNumber implements Cloneable, Comparable<EAN> {
+public class EAN extends StandardNumber implements Cloneable, Comparable<EAN> {
 
     private static final Pattern PATTERN = Pattern.compile("\\b[\\p{Digit}\\s]{13,18}\\b");
 
     private boolean createWithChecksum;
 
-    protected EAN() {
+    public EAN() {
         super("ean");
     }
 

src/main/java/org/xbib/standardnumber/GTIN.java

@@ -40,13 +40,13 @@ import java.util.regex.Pattern;
  *
  * See link:http://www.gtin.info/[GTIN info, window='_blank']
  */
-class GTIN extends StandardNumber implements Cloneable, Comparable<GTIN> {
+public class GTIN extends StandardNumber implements Cloneable, Comparable<GTIN> {
 
     private static final Pattern PATTERN = Pattern.compile("\\b[\\p{Digit}\\-]{3,18}\\b");
 
     private boolean createWithChecksum;
 
-    protected GTIN() {
+    public GTIN() {
         super("gtin");
     }
 

src/main/java/org/xbib/standardnumber/IBAN.java

@@ -18,7 +18,7 @@ import java.util.regex.Pattern;
  *
  * Checksum calculation is in accordance to ISO 7064 MOD-97.
  */
-class IBAN extends StandardNumber implements Cloneable, Comparable<IBAN> {
+public class IBAN extends StandardNumber implements Cloneable, Comparable<IBAN> {
 
     /**
      * Norway = 15, Malta = 31 + "IBAN ".
@@ -57,7 +57,7 @@ class IBAN extends StandardNumber implements Cloneable, Comparable<IBAN> {
 
     private boolean createWithChecksum;
 
-    protected IBAN() {
+    public IBAN() {
         super("iban");
     }
 

src/main/java/org/xbib/standardnumber/ISBN.java

@@ -44,7 +44,7 @@ import javax.xml.stream.events.XMLEvent;
  * link:http://www.iana.org/assignments/urn-namespaces[The IANA URN assignments, window='_blank'],
  * link:https://www.isbn-international.org/range_file_generation[ISBN prefix generation, window='_blank']
  */
-class ISBN extends StandardNumber implements Cloneable, Comparable<ISBN> {
+public class ISBN extends StandardNumber implements Cloneable, Comparable<ISBN> {
 
     private static final Pattern PATTERN = Pattern.compile("[\\p{Digit}xX\\p{Pd}]{10,17}");
 
@@ -60,7 +60,7 @@ class ISBN extends StandardNumber implements Cloneable, Comparable<ISBN> {
 
     private boolean isEAN;
 
-    protected ISBN() {
+    public ISBN() {
         super("isbn");
     }
 

src/main/java/org/xbib/standardnumber/ISMN.java

@@ -24,13 +24,13 @@ import java.util.regex.Pattern;
  *
  * See link:http://www.ismn-international.org/download/Web_ISMN%20Manual_2008-3.pdf[ISMN Manual 2008, window='_blank']
  */
-class ISMN extends StandardNumber implements Cloneable, Comparable<ISMN> {
+public class ISMN extends StandardNumber implements Cloneable, Comparable<ISMN> {
 
     private static final Pattern PATTERN = Pattern.compile("[\\p{Digit}M\\p{Pd}]{0,17}");
 
     private boolean createWithChecksum;
 
-    protected ISMN() {
+    public ISMN() {
         super("ismn");
     }
 

src/main/java/org/xbib/standardnumber/ISNI.java

@@ -15,9 +15,9 @@ import java.util.regex.Pattern;
  * and newspaper articles. Such an identifier consists of 16 numerical digits divided
  * into four blocks.
  *
- * Checksum calculation is in accordance to ISO/IEC 7064:2003, MOD 11-2
+ * Checksum calculation is in accordance to ISO/IEC 7064:2003, MOD 11-2.
  */
-class ISNI extends StandardNumber implements Cloneable, Comparable<ISNI> {
+public class ISNI extends StandardNumber implements Cloneable, Comparable<ISNI> {
 
     private static final Pattern PATTERN = Pattern.compile("[\\p{Digit}xX\\p{Pd}\\s]{16,24}");
 
@@ -27,7 +27,7 @@ class ISNI extends StandardNumber implements Cloneable, Comparable<ISNI> {
 
     private boolean createWithChecksum;
 
-    protected ISNI() {
+    public ISNI() {
         super("isni");
     }
 

src/main/java/org/xbib/standardnumber/ISSN.java

@@ -1,7 +1,5 @@
 package org.xbib.standardnumber;
 
-import org.xbib.standardnumber.checksum.iso7064.MOD1110;
-
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.regex.Matcher;
@@ -57,7 +55,7 @@ import java.util.regex.Pattern;
  * These particularities themselves necessitated the introduction
  * of the ISSN.
  */
-class ISSN extends StandardNumber implements Cloneable, Comparable<ISSN> {
+public class ISSN extends StandardNumber implements Cloneable, Comparable<ISSN> {
 
     private static final Pattern PATTERN = Pattern.compile("[0-9]{4}\\p{Pd}?[0-9]{3}[0-9xX]");
 
@@ -65,7 +63,7 @@ class ISSN extends StandardNumber implements Cloneable, Comparable<ISSN> {
 
     private boolean createWithChecksum;
 
-    protected ISSN() {
+    public ISSN() {
         super("issn");
     }
 

src/main/java/org/xbib/standardnumber/ISTC.java

@@ -25,7 +25,7 @@ import java.util.regex.Pattern;
  *
  * Checksum algorithm is ISO 7064 MOD 16/3.
  */
-class ISTC extends StandardNumber implements Cloneable, Comparable<ISTC> {
+public class ISTC extends StandardNumber implements Cloneable, Comparable<ISTC> {
 
     private static final Pattern PATTERN = Pattern.compile("^[\\p{Alnum}\\p{Pd}\\s]{12,24}");
 
@@ -33,7 +33,7 @@ class ISTC extends StandardNumber implements Cloneable, Comparable<ISTC> {
 
     private boolean createWithChecksum;
 
-    protected ISTC() {
+    public ISTC() {
         super("istc");
     }
 

src/main/java/org/xbib/standardnumber/ISWC.java

@@ -22,13 +22,13 @@ import java.util.regex.Pattern;
  * the system will deal with duplicate registrations by linking such registration records
  * in the ISWC database.
  */
-class ISWC extends StandardNumber implements Cloneable, Comparable<ISWC> {
+public class ISWC extends StandardNumber implements Cloneable, Comparable<ISWC> {
 
     private static final Pattern PATTERN = Pattern.compile("[\\p{Alnum}\\p{Pd}\\s]{10,13}");
 
     private String formatted;
 
-    protected ISWC() {
+    public ISWC() {
         super("iswc");
     }
 

src/main/java/org/xbib/standardnumber/ORCID.java

@@ -9,9 +9,9 @@ import java.net.URI;
  *
  * Checksum calculation is according to ISO/IEC 7064:2003, MOD 11-2.
  */
-class ORCID extends ISNI {
+public class ORCID extends ISNI {
 
-    protected ORCID() {
+    public ORCID() {
         super("orcid");
     }
 

src/main/java/org/xbib/standardnumber/PPN.java

@@ -11,7 +11,7 @@ import java.util.regex.Pattern;
  * A catalog record numbering system, uniquely identifying records, used by PICA
  * (Project voor geIntegreerde Catalogus Automatisering) integrated library systems.
  */
-class PPN extends StandardNumber implements Cloneable, Comparable<PPN> {
+public class PPN extends StandardNumber implements Cloneable, Comparable<PPN> {
 
     private static final Pattern PATTERN = Pattern.compile("[\\p{Digit}]{3,10}\\p{Pd}{0,1}[\\p{Digit}xX]{1}\\b");
 
@@ -19,7 +19,7 @@ class PPN extends StandardNumber implements Cloneable, Comparable<PPN> {
 
     private boolean createWithChecksum;
 
-    protected PPN() {
+    public PPN() {
         super("ppn");
     }
 

src/main/java/org/xbib/standardnumber/UPC.java

@@ -22,13 +22,13 @@ import java.util.regex.Pattern;
  * All of these data structures follow the global GS1 specification which bases on
  * international standards.
  */
-class UPC extends StandardNumber implements Cloneable, Comparable<UPC> {
+public class UPC extends StandardNumber implements Cloneable, Comparable<UPC> {
 
     private static final Pattern PATTERN = Pattern.compile("[\\p{Digit}]{0,12}");
 
     private boolean createWithChecksum;
 
-    protected UPC() {
+    public UPC() {
         super("upc");
     }
 

src/main/java/org/xbib/standardnumber/ZDB.java

@@ -16,7 +16,7 @@ import java.util.regex.Pattern;
  * See link:http://support.d-nb.de/iltis/onlineRoutinen/Pruefziffernberechnung.htm[Prüfziffernberechnung in ILTIS, window='_blank'],
  * link:https://wiki.dnb.de/pages/viewpage.action?pageId=48139522[DNB Wiki, window='_blank']
  */
-class ZDB extends StandardNumber implements Cloneable, Comparable<ZDB> {
+public class ZDB extends StandardNumber implements Cloneable, Comparable<ZDB> {
 
     private static final Pattern PATTERN = Pattern.compile("^[\\p{Digit}]{2,10}\\p{Pd}{0,1}[\\p{Digit}xX]{1}\\b");
 
@@ -24,7 +24,7 @@ class ZDB extends StandardNumber implements Cloneable, Comparable<ZDB> {
 
     private boolean createWithChecksum;
 
-    protected ZDB() {
+    public ZDB() {
         super("zdb");
     }