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From ohe...@apache.org
Subject svn commit: r1439112 - in /commons/proper/configuration/trunk/src: main/java/org/apache/commons/configuration/ConfigurationUtils.java test/java/org/apache/commons/configuration/TestConfigurationUtils.java
Date Sun, 27 Jan 2013 16:29:50 GMT
Author: oheger
Date: Sun Jan 27 16:29:50 2013
New Revision: 1439112

URL: http://svn.apache.org/viewvc?rev=1439112&view=rev
Log:
Added a convenience method to ConfigurationUtils for loading a class without throwing a ClassNotFoundException.

Modified:
    commons/proper/configuration/trunk/src/main/java/org/apache/commons/configuration/ConfigurationUtils.java
    commons/proper/configuration/trunk/src/test/java/org/apache/commons/configuration/TestConfigurationUtils.java

Modified: commons/proper/configuration/trunk/src/main/java/org/apache/commons/configuration/ConfigurationUtils.java
URL: http://svn.apache.org/viewvc/commons/proper/configuration/trunk/src/main/java/org/apache/commons/configuration/ConfigurationUtils.java?rev=1439112&r1=1439111&r2=1439112&view=diff
==============================================================================
--- commons/proper/configuration/trunk/src/main/java/org/apache/commons/configuration/ConfigurationUtils.java
(original)
+++ commons/proper/configuration/trunk/src/main/java/org/apache/commons/configuration/ConfigurationUtils.java
Sun Jan 27 16:29:50 2013
@@ -808,6 +808,7 @@ public final class ConfigurationUtils
      * @param clsName the name of the class to be loaded
      * @return the loaded class
      * @throws ClassNotFoundException if the class cannot be resolved
+     * @since 2.0
      */
     public static Class<?> loadClass(String clsName)
             throws ClassNotFoundException
@@ -835,6 +836,30 @@ public final class ConfigurationUtils
     }
 
     /**
+     * Loads the class with the specified name re-throwing
+     * {@code ClassNotFoundException} exceptions as runtime exceptions. This
+     * method works like {@link #loadClass(String)}. However, checked exceptions
+     * are caught and re-thrown as {@code ConfigurationRuntimeException}.
+     *
+     * @param clsName the name of the class to be loaded
+     * @return the loaded class
+     * @throws ConfigurationRuntimeException if the class cannot be resolved
+     * @since 2.0
+     */
+    public static Class<?> loadClassNoEx(String clsName)
+    {
+        try
+        {
+            return loadClass(clsName);
+        }
+        catch (ClassNotFoundException cnfex)
+        {
+            throw new ConfigurationRuntimeException("Cannot load class "
+                    + clsName, cnfex);
+        }
+    }
+
+    /**
      * Creates an {@code ImmutableConfiguration} from the given
      * {@code Configuration} object. This method creates a proxy object wrapping
      * the original configuration and making it available under the

Modified: commons/proper/configuration/trunk/src/test/java/org/apache/commons/configuration/TestConfigurationUtils.java
URL: http://svn.apache.org/viewvc/commons/proper/configuration/trunk/src/test/java/org/apache/commons/configuration/TestConfigurationUtils.java?rev=1439112&r1=1439111&r2=1439112&view=diff
==============================================================================
--- commons/proper/configuration/trunk/src/test/java/org/apache/commons/configuration/TestConfigurationUtils.java
(original)
+++ commons/proper/configuration/trunk/src/test/java/org/apache/commons/configuration/TestConfigurationUtils.java
Sun Jan 27 16:29:50 2013
@@ -610,6 +610,25 @@ public class TestConfigurationUtils
     }
 
     /**
+     * Tests loadClassNoEx() if the class can be resolved.
+     */
+    @Test
+    public void testLoadClassNoExFound()
+    {
+        assertEquals("Wrong class", CLS_NAME,
+                ConfigurationUtils.loadClassNoEx(CLS_NAME).getName());
+    }
+
+    /**
+     * Tests loadClassNoEx() if the class cannot be resolved.
+     */
+    @Test(expected = ConfigurationRuntimeException.class)
+    public void testLoadClassNoExNotFound()
+    {
+        ConfigurationUtils.loadClassNoEx("a non existing class!");
+    }
+
+    /**
      * Tests asEventSource() if the passed in object implements this interface.
      */
     @Test



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