OO-3801: trim folder names in WebDAV provider for courses

src/main/java/org/olat/core/commons/services/webdav/servlets/RequestUtil.java

@@ -502,7 +502,8 @@ public final class RequestUtil {
     			default: sb.append(ch);
     		}
     	}
-    	return Normalizer.normalize(sb, Normalizer.Form.NFC);
+    	String normalized = Normalizer.normalize(sb, Normalizer.Form.NFC);
+    	return normalized.trim();
     }
 }
 

src/test/java/org/olat/core/commons/services/webdav/servlets/RequestUtilsTest.java

@@ -19,8 +19,14 @@
  */
 package org.olat.core.commons.services.webdav.servlets;
 
+import java.util.Arrays;
+import java.util.Collection;
+
 import org.junit.Assert;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
 
 /**
  * 
@@ -28,19 +34,30 @@ import org.junit.Test;
  * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
  *
  */
+@RunWith(Parameterized.class)
 public class RequestUtilsTest {
 	
+	@Parameters
+    public static Collection<Object[]> data() {
+        return Arrays.asList(new Object[][] {
+                { "Test", "Test" },
+                { "Test\u00E9\u00E4", "Test\u00E9\u00E4" },
+                { "%12 ?()_//", "_12 _()___" },
+                { " Test  ", "Test" }
+        });
+    }
+    
+    private String filename;
+    private String normalizedFilename;
+    
+	public RequestUtilsTest(String filename, String normalizedFilename) {
+		this.filename = filename;
+		this.normalizedFilename = normalizedFilename;
+	}
+	
 	@Test
 	public void testNormalizeFilename() {
-		String simpleFilename = RequestUtil.normalizeFilename("Test");
-		Assert.assertEquals("Test", simpleFilename);
-
-		String accentFilename = RequestUtil.normalizeFilename("Test\u00E9\u00E4");
-		Assert.assertEquals("Test\u00E9\u00E4", accentFilename);
-		
-		String moreSpecialChars = RequestUtil.normalizeFilename("%12 ?()_//");
-		Assert.assertEquals("_12 _()___", moreSpecialChars);
+		String correctedFilename = RequestUtil.normalizeFilename(filename);
+		Assert.assertEquals(normalizedFilename, correctedFilename);
 	}
-
-
 }