ref #10502 add sortable data string to SourceDto

[cdmlib.git] / cdmlib-model / src / main / java / eu / etaxonomy / cdm / model / reference / Reference.java

diff --git a/cdmlib-model/src/main/java/eu/etaxonomy/cdm/model/reference/Reference.java b/cdmlib-model/src/main/java/eu/etaxonomy/cdm/model/reference/Reference.java
index 9ee955d156e7399854f0e6924c0bb62a259e23fd..d812ddb40fedfe0b79cb726e7c9ed243a76f8b13 100644 (file)
--- a/cdmlib-model/src/main/java/eu/etaxonomy/cdm/model/reference/Reference.java
+++ b/cdmlib-model/src/main/java/eu/etaxonomy/cdm/model/reference/Reference.java
@@ -50,9 +50,11 @@ import org.hibernate.search.annotations.Field;
 import org.hibernate.search.annotations.FieldBridge;
 import org.hibernate.search.annotations.IndexedEmbedded;
 import org.joda.time.DateTime;
+import org.joda.time.Partial;
 
 import eu.etaxonomy.cdm.common.DOI;
 import eu.etaxonomy.cdm.common.URI;
+import eu.etaxonomy.cdm.format.common.TimePeriodPartialFormatter;
 import eu.etaxonomy.cdm.format.reference.NomenclaturalSourceFormatter;
 import eu.etaxonomy.cdm.hibernate.search.DateTimeBridge;
 import eu.etaxonomy.cdm.hibernate.search.DoiBridge;
@@ -894,6 +896,31 @@ public class Reference
                }
        }
 
+    /**
+     * Returns a sortable string of the datePublished.start attribute.<BR>
+     * If datePublished is null in-references are called recursively.
+     * Only structured publication data is considered, no freetext or
+     * verbatim date.
+     */
+    @Transient
+    public String getSortableDateString(){
+        VerbatimTimePeriod datePublished = this.getDatePublished();
+        if (datePublished != null ){
+            Partial partial = getDatePublished().getStart();
+            if (partial == null) {
+                partial = getDatePublished().getEnd();
+            }
+            if (partial != null ) {
+                return TimePeriodPartialFormatter.INSTANCE().printSortableDateString(partial);
+            }
+        }
+        if (this.inReference != null){
+            return this.inReference.getSortableDateString();
+        }else {
+            return "zzzz-zz-zz";
+        }
+    }
+
        /**
      * Convenience method that returns a string representation for the publication date / creation
      * of <i>this</i> reference. The string is obtained by