Adding getFullCallNumberNormalized indexing routine.

- Resolves VUFIND-598.

import/index_scripts/callnumber.bsh

@@ -6,6 +6,7 @@
  * it will be applied during indexing.
  */
 import org.marc4j.marc.Record;
+import org.solrmarc.tools.CallNumUtils;
 
 // define the base level indexer so that its methods can be called from the script.
 // note that the SolrIndexer code will set this value before the script methods are called.
@@ -101,3 +102,35 @@ public String getCallNumberSubject(Record record, String fieldSpec) {
     }
     return(null);
 }
+
+/**
+ * Normalize a single LCCN
+ * @param record
+ * @param fieldSpec
+ * @return String Normalized LCCN
+ */
+public String getFullCallNumberNormalized(Record record) {
+
+    return(getFullCallNumberNormalized(record, "099ab:090ab:050ab"));
+}
+
+/**
+ * Normalize a single LCCN
+ * @param record
+ * @param fieldSpec
+ * @return String Normalized LCCN
+ */
+public String getFullCallNumberNormalized(Record record, String fieldSpec) {
+
+    if (fieldSpec != null) {
+        String cn = indexer.getFirstFieldVal(record, fieldSpec);
+        try {
+            return CallNumUtils.getLCShelfkey(cn, null);
+        } catch(Exception e) {
+            // Don't bail out of indexing just because of a weird call number!
+            //System.out.println("getFullCallNumberNormalized error: " + e);
+        }
+    }
+    // If we got this far, we couldn't find a valid value:
+    return null;
+}
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