Updated resolvePath javadoc to reflect Environment-based placeholder resolution

Issue: SPR-9455

Author: jhoeller

spring-context/src/main/java/org/springframework/context/support/AbstractRefreshableConfigApplicationContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,7 +17,6 @@
 package org.springframework.context.support;
 
 import org.springframework.beans.factory.BeanNameAware;
-
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.context.ApplicationContext;
 import org.springframework.util.Assert;
@@ -114,12 +113,13 @@ protected String[] getDefaultConfigLocations() {
 
 	/**
 	 * Resolve the given path, replacing placeholders with corresponding
-	 * system property values if necessary. Applied to config locations.
+	 * environment property values if necessary. Applied to config locations.
 	 * @param path the original file path
 	 * @return the resolved file path
+	 * @see org.springframework.core.env.Environment#resolveRequiredPlaceholders(String)
 	 */
 	protected String resolvePath(String path) {
-		return this.getEnvironment().resolveRequiredPlaceholders(path);
+		return getEnvironment().resolveRequiredPlaceholders(path);
 	}