X-Git-Url: http://jaekl.net/gitweb/?p=cfb.git;a=blobdiff_plain;f=prod%2Fnet%2Fjaekl%2Fcfb%2Futil%2FEnv.java;fp=prod%2Fnet%2Fjaekl%2Fcfb%2Futil%2FEnv.java;h=bda8405db7cd182b112f0e8250c5440fd2cf77dc;hp=0000000000000000000000000000000000000000;hb=e6448f6cf67e5a5409f24b531c2443b3bed53b52;hpb=a4a577abc3f9b2b1147caafd1cb39fa8c2622cd4

diff --git a/prod/net/jaekl/cfb/util/Env.java b/prod/net/jaekl/cfb/util/Env.java
new file mode 100644
index 0000000..bda8405
--- /dev/null
+++ b/prod/net/jaekl/cfb/util/Env.java
@@ -0,0 +1,27 @@
+package net.jaekl.cfb.util;
+
+public class Env {
+	static volatile Env m_inst = null;
+	
+	Env() {}
+	
+	private static Env getInstance() 
+	{
+		Env inst = m_inst;
+		if (null == inst) {
+			synchronized(Env.class) {
+				if (null == m_inst) {
+					m_inst = new Env();
+				}
+				inst = m_inst;
+			}
+		}
+		return inst;
+	}
+	
+	String getEnv(String variableName) { return System.getenv(variableName); }
+	
+	public static String get(String variableName) {
+		return getInstance().getEnv(variableName);
+	}
+}