(refs #464)Experimental implementation of Scala based plugin

src/main/scala/plugin/package.scala

@@ -0,0 +1,29 @@
+import util.ControlUtil._
+import scala.collection.mutable.ListBuffer
+
+package object plugin {
+
+  object db {
+    // TODO Use JavaScript Map instead of java.util.Map
+    def select(sql: String): Seq[Map[String, String]] = {
+      defining(PluginConnectionHolder.threadLocal.get){ conn =>
+        using(conn.prepareStatement(sql)){ stmt =>
+          using(stmt.executeQuery()){ rs =>
+            val list = new ListBuffer[Map[String, String]]()
+            while(rs.next){
+              defining(rs.getMetaData){ meta =>
+                val map = Range(1, meta.getColumnCount + 1).map { i =>
+                  val name = meta.getColumnName(i)
+                  (name, rs.getString(name))
+                }.toMap
+                list += map
+              }
+            }
+            list
+          }
+        }
+      }
+    }
+  }
+
+}