Close database connections after query executions.

Previously, database connections were left open after query execution, which could lead to resource leaks. This update ensures connections are properly closed to improve resource management and system stability.

Author: pierre-maraval

src/main/java/fr/abes/sudoc/component/BaseXmlFunctionsCaller.java

@@ -41,7 +41,7 @@ public List<String> issnToPpn(String issn) throws UncategorizedSQLException, SQL
         while (rs.next()) {
             resultList.add(rs.getString("ppn"));
         }
-
+        connection.close();
         return resultList;
     }
 
@@ -57,7 +57,7 @@ public String isbnToPpn(String isbn) throws UncategorizedSQLException, SQLExcept
         if (rs.next()) {
             result = rs.getString("ppn");
         }
-
+        connection.close();
         return result;
     }
 
@@ -72,7 +72,7 @@ public List<String> doiToPpn(String doi) throws UncategorizedSQLException, SQLEx
         while (rs.next()) {
             resultList.add(rs.getString("ppn"));
         }
-
+        connection.close();
         return resultList;
     }