diff --git a/src/main/java/io/ebean/config/properties/PropertyEval.java b/src/main/java/io/ebean/config/properties/PropertyEval.java
index 753481d7d..94f49e0e3 100644
--- a/src/main/java/io/ebean/config/properties/PropertyEval.java
+++ b/src/main/java/io/ebean/config/properties/PropertyEval.java
@@ -14,192 +14,192 @@ import javax.naming.NamingException;
  */
 final class PropertyEval {
 
-	/**
-	 * Prefix for looking up JNDI Environment variable.
-	 */
-	private static final String JAVA_COMP_ENV = "java:comp/env/";
+  /**
+   * Prefix for looking up JNDI Environment variable.
+   */
+  private static final String JAVA_COMP_ENV = "java:comp/env/";
 
-	/**
-	 * Used to detect the start of an expression.
-	 */
-	private static final String START = "${";
+  /**
+   * Used to detect the start of an expression.
+   */
+  private static final String START = "${";
 
-	/**
-	 * Used to detect the end of an expression.
-	 */
-	private static final String END = "}";
+  /**
+   * Used to detect the end of an expression.
+   */
+  private static final String END = "}";
 
-	/**
-	 * Specify the PropertyHolder.
-	 */
-	private PropertyEval() {
-	}
+  /**
+   * Specify the PropertyHolder.
+   */
+  private PropertyEval() {
+  }
 
-	/**
-	 * Return the property value evaluating and replacing any expressions such as
-	 * ${CATALINA_HOME}.
-	 */
-	static String eval(String val) {
-		if (val == null) {
-			return null;
-		}
-		int sp = val.indexOf(START);
-		if (sp > -1) {
-			int ep = val.indexOf(END, sp + 1);
-			if (ep > -1) {
-				return eval(val, sp, ep);
-			}
-		}
-		return val;
-	}
+  /**
+   * Return the property value evaluating and replacing any expressions such as
+   * ${CATALINA_HOME}.
+   */
+  static String eval(String val) {
+    if (val == null) {
+      return null;
+    }
+    int sp = val.indexOf(START);
+    if (sp > -1) {
+      int ep = val.indexOf(END, sp + 1);
+      if (ep > -1) {
+        return eval(val, sp, ep);
+      }
+    }
+    return val;
+  }
 
-	/**
-	 * Convert the expression using JNDI, Environment variables, System Properties
-	 * or existing an property in SystemProperties itself.
-	 */
-	private static String evaluateExpression(String exp) {
+  /**
+   * Convert the expression using JNDI, Environment variables, System Properties
+   * or existing an property in SystemProperties itself.
+   */
+  private static String evaluateExpression(String exp) {
 
     if (exp.isEmpty()) {
       return null;
     }
-		if (isJndiExpression(exp)) {
-			// JNDI property lookup...
-			String val = getJndiProperty(exp);
-			if (val != null) {
-				return val;
-			}
-		}
-		String val = System.getProperty(exp);
-		if (val == null) {
-			val = System.getenv(exp);
-		}
-		return val;
-	}
+    if (isJndiExpression(exp)) {
+      // JNDI property lookup...
+      String val = getJndiProperty(exp);
+      if (val != null) {
+        return val;
+      }
+    }
+    String val = System.getProperty(exp);
+    if (val == null) {
+      val = System.getenv(exp);
+    }
+    return val;
+  }
 
-	private static String eval(String val, int sp, int ep) {
+  private static String eval(String val, int sp, int ep) {
 
-		return new EvalBuffer(val, sp, ep).process();
-	}
+    return new EvalBuffer(val, sp, ep).process();
+  }
 
 
-	private static boolean isJndiExpression(String exp) {
-		return exp.startsWith("JNDI:") || exp.startsWith("jndi:");
-	}
+  private static boolean isJndiExpression(String exp) {
+    return exp.startsWith("JNDI:") || exp.startsWith("jndi:");
+  }
 
-	/**
-	 * Returns null if JNDI is not setup or if the property is not found.
-	 *
-	 * @param key the key of the JNDI Environment property including a JNDI: prefix.
-	 */
-	private static String getJndiProperty(String key) {
+  /**
+   * Returns null if JNDI is not setup or if the property is not found.
+   *
+   * @param key the key of the JNDI Environment property including a JNDI: prefix.
+   */
+  private static String getJndiProperty(String key) {
 
-		try {
-			// remove the JNDI: prefix
-			key = key.substring(5);
-			return (String) getJndiObject(key);
-		} catch (NamingException ex) {
-			return null;
-		}
-	}
+    try {
+      // remove the JNDI: prefix
+      key = key.substring(5);
+      return (String) getJndiObject(key);
+    } catch (NamingException ex) {
+      return null;
+    }
+  }
 
-	/**
-	 * Similar to getProperty but throws NamingException if JNDI is not setup or
-	 * if the property is not found.
-	 */
-	private static Object getJndiObject(String key) throws NamingException {
+  /**
+   * Similar to getProperty but throws NamingException if JNDI is not setup or
+   * if the property is not found.
+   */
+  private static Object getJndiObject(String key) throws NamingException {
 
-		InitialContext ctx = new InitialContext();
-		return ctx.lookup(JAVA_COMP_ENV + key);
-	}
+    InitialContext ctx = new InitialContext();
+    return ctx.lookup(JAVA_COMP_ENV + key);
+  }
 
 
-	private static class EvalBuffer {
+  private static class EvalBuffer {
 
-		private final StringBuilder buf = new StringBuilder();
-		private final String original;
-		private int position;
-		private int start;
-		private int end;
+    private final StringBuilder buf = new StringBuilder();
+    private final String original;
+    private int position;
+    private int start;
+    private int end;
 
-		private String expression;
-		private String defaultValue;
+    private String expression;
+    private String defaultValue;
 
-		EvalBuffer(String val, int start, int ep) {
-			this.original = val;
-			this.start = start;
-			this.end = ep;
-			this.position = 0;
-			moveToStart();
-		}
+    EvalBuffer(String val, int start, int ep) {
+      this.original = val;
+      this.start = start;
+      this.end = ep;
+      this.position = 0;
+      moveToStart();
+    }
 
-		void moveToStart() {
-			if (start > position) {
-				buf.append(original.substring(position, start));
-				position = start;
-			}
-		}
+    void moveToStart() {
+      if (start > position) {
+        buf.append(original.substring(position, start));
+        position = start;
+      }
+    }
 
-		void parseForDefault() {
-			int colonPos = original.lastIndexOf(':', end);
-			if (colonPos > start) {
-				expression = original.substring(start + START.length(), colonPos);
-				defaultValue = original.substring(colonPos + 1, end);
-			} else {
-				expression = original.substring(start + START.length(), end);
-			}
-		}
+    void parseForDefault() {
+      int colonPos = original.lastIndexOf(':', end);
+      if (colonPos > start) {
+        expression = original.substring(start + START.length(), colonPos);
+        defaultValue = original.substring(colonPos + 1, end);
+      } else {
+        expression = original.substring(start + START.length(), end);
+      }
+    }
 
-		void evaluate() {
-			String eval = evaluateExpression(expression);
-			if (eval != null) {
-				buf.append(eval);
-			} else {
-				if (defaultValue != null) {
-					buf.append(defaultValue);
-				} else {
-					buf.append(START).append(expression).append(END);
-				}
-			}
-		}
+    void evaluate() {
+      String eval = evaluateExpression(expression);
+      if (eval != null) {
+        buf.append(eval);
+      } else {
+        if (defaultValue != null) {
+          buf.append(defaultValue);
+        } else {
+          buf.append(START).append(expression).append(END);
+        }
+      }
+    }
 
-		String end() {
-			if (end < original.length() - 1) {
-				buf.append(original.substring(end + 1));
-			}
-			return buf.toString();
-		}
+    String end() {
+      if (end < original.length() - 1) {
+        buf.append(original.substring(end + 1));
+      }
+      return buf.toString();
+    }
 
-		boolean next() {
-			if (end < original.length()) {
-				int startPos = original.indexOf(START, end + 1);
-				if (startPos > -1) {
-					int endPos = original.indexOf(END, startPos + 1);
-					if (endPos > -1) {
-						if (startPos > end + 1) {
-							buf.append(original.substring(end + 1, startPos));
-						}
-						this.start = startPos;
-						this.end = endPos;
-						return true;
-					}
-				}
-			}
-			return false;
-		}
+    boolean next() {
+      if (end < original.length()) {
+        int startPos = original.indexOf(START, end + 1);
+        if (startPos > -1) {
+          int endPos = original.indexOf(END, startPos + 1);
+          if (endPos > -1) {
+            if (startPos > end + 1) {
+              buf.append(original.substring(end + 1, startPos));
+            }
+            this.start = startPos;
+            this.end = endPos;
+            return true;
+          }
+        }
+      }
+      return false;
+    }
 
-		private void evalNext() {
-			parseForDefault();
-			evaluate();
-		}
+    private void evalNext() {
+      parseForDefault();
+      evaluate();
+    }
 
-		String process() {
-			evalNext();
-			while (next()) {
-				evalNext();
-			}
-			return end();
-		}
+    String process() {
+      evalNext();
+      while (next()) {
+        evalNext();
+      }
+      return end();
+    }
 
-	}
+  }
 
 }