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;; Copyright (c) Stephen C. Gilardi. All rights reserved. The use and
;; distribution terms for this software are covered by the Common Public
;; License 1.0 (http://opensource.org/licenses/cpl.php) which can be found
;; in the file CPL.TXT at the root of this distribution. By using this
;; software in any fashion, you are agreeing to be bound by the terms of
;; this license. You must not remove this notice, or any other, from this
;; software.
;;
;; internal definitions for clojure.contrib.sql
;;
;; scgilardi (gmail)
;; Created 3 October 2008
(ns clojure.contrib.sql.internal)
(def *db* {:connection nil :level 0})
(defn connection
"Returns the current database connection or throws an exception."
[]
(or (:connection *db*)
(throw (Exception. "no current database connection"))))
(defn the-str
"Returns the name or string representation of x"
[x]
(if (instance? clojure.lang.Named x)
(name x)
(str x)))
(defn properties
"Converts a map from keywords or symbols to values into a
java.util.Properties object that maps the same keys to the values with
all represented as strings."
[m]
(let [p (java.util.Properties.)]
(when m
(loop [[key & keys] (keys m)
[val & vals] (vals m)]
(.setProperty p (the-str key) (the-str val))
(when keys
(recur keys vals))))
p))
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