X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=support%2Fsrc%2Forg%2Fwamblee%2Fgeneral%2FBeanKernel.java;h=5f32f68756fd5a0ceaa4f8d83eeb34a7329bcbd5;hb=53f6ff39d6e9f16d2a2d2fe7958013bad4c89172;hp=fa48fb9719bd6458d8e30976ddb69dedf65e6c79;hpb=caa126385642ffc57478e928ab871bc09c53e993;p=utils

diff --git a/support/src/org/wamblee/general/BeanKernel.java b/support/src/org/wamblee/general/BeanKernel.java
index fa48fb97..5f32f687 100644
--- a/support/src/org/wamblee/general/BeanKernel.java
+++ b/support/src/org/wamblee/general/BeanKernel.java
@@ -25,9 +25,13 @@ import org.wamblee.io.ClassPathResource;
 import org.wamblee.io.InputResource;
 
 /**
- * The standard means to obtain the bean factory.
+ * The standard means to obtain the bean factory. This works by reading a
+ * property {@value #BEAN_FACTORY_CLASS} from a property file named
+ * {@value #BEAN_KERNEL_PROP_FILE} from the class path. This property identifies
+ * the bean factory implementation to use. The configured bean factory must have
+ * a no-arg constructor.
  */
-public class BeanKernel {
+public final class BeanKernel {
 
     private static final Log LOG = LogFactory.getLog(BeanKernel.class);
 
@@ -47,6 +51,14 @@ public class BeanKernel {
      */
     private static BeanFactory BEAN_FACTORY;
 
+    /**
+     * Disabled constructor.
+     * 
+     */
+    private BeanKernel() {
+        // Empty
+    }
+
     /**
      * Overrides the default mechanism for looking up the bean factory by
      * specifying it yourself.
@@ -59,8 +71,9 @@ public class BeanKernel {
     }
 
     /**
-     * Gets the bean factory. 
-     * @return Bean factory. 
+     * Gets the bean factory.
+     * 
+     * @return Bean factory.
      */
     public static BeanFactory getBeanFactory() {
         synchronized (BeanFactory.class) {
@@ -76,7 +89,7 @@ public class BeanKernel {
      * 
      * @return Bean factory.
      */
-    private static BeanFactory lookupBeanFactory() {
+    static BeanFactory lookupBeanFactory() {
         InputResource resource = new ClassPathResource(BEAN_KERNEL_PROP_FILE);
         InputStream is;
         try {
@@ -87,7 +100,7 @@ public class BeanKernel {
         }
         try {
             Properties props = new Properties();
-            props.load(resource.getInputStream());
+            props.load(is);
             String className = props.getProperty(BEAN_FACTORY_CLASS);
             Class beanFactory = Class.forName(className);
             return (BeanFactory) beanFactory.newInstance();