SSDM-3071: Bug fixed by trimming the lines.

SVN: 35709

common/source/java/ch/systemsx/cisd/common/io/PropertyIOUtils.java

@@ -52,7 +52,7 @@ public class PropertyIOUtils
         List<String> lines = FileUtilities.loadToStringList(propertiesFile);
         for (int i = 0; i < lines.size(); i++)
         {
-            String line = lines.get(i);
+            String line = lines.get(i).trim();
             if (line.length() == 0 || line.startsWith("#"))
             {
                 continue;

common/sourceTest/java/ch/systemsx/cisd/common/io/PropertyIOUtilsTest.java

@@ -60,5 +60,16 @@ public class PropertyIOUtilsTest extends AbstractFileSystemTestCase
                     + "': question", ex.getMessage());
         }
     }
+    
+    @Test
+    public void testLoadPropertiesWithEmptyLineWithASpace()
+    {
+        File propertiesFile = new File(workingDirectory, "p.properties");
+        FileUtilities.writeToFile(propertiesFile, "  answer =  42 \n \n");
+        
+        Properties properties = PropertyIOUtils.loadProperties(propertiesFile);
+        
+        assertEquals("42", properties.getProperty("answer"));
+    }
 
 }