Fix #233: Do not trim MarcXML record leader

Changes `MarcXmlHandler` to no longer trim the record leader.

Author: cboehme

src/main/java/org/culturegraph/mf/stream/converter/xml/MarcXmlHandler.java

@@ -79,7 +79,7 @@ public void endElement(final String uri, final String localName, final String qN
 			getReceiver().endRecord();
 
 		}else if(LEADER.equals(localName)){
-			getReceiver().literal(currentTag, builder.toString().trim());
+			getReceiver().literal(currentTag, builder.toString());
 
 		}
 	}

src/test/java/org/culturegraph/mf/stream/converter/xml/MarcXmlHandlerTest.java

@@ -32,6 +32,7 @@
  */
 public final class MarcXmlHandlerTest {
 
+	private static final String LEADER = "leader";
 	private static final String CONTROLFIELD = "controlfield";
 	private static final String NAMESPACE = "http://www.loc.gov/MARC21/slim";
 
@@ -67,5 +68,18 @@ public void shouldFindTagAttributeAtSecondPositionInControlFieldElement()
 
 		verify(receiver).literal("001", fieldValue);
 	}
+	
+	@Test
+	public void issue233ShouldNotRemoveWhitespaceFromLeader()
+			throws SAXException {
+		final AttributesImpl attributes = new AttributesImpl();
+		final String leaderValue = "  cdefghijklmnopqrstuv  ";
+		
+		marcXmlHandler.startElement(NAMESPACE, LEADER, "", attributes);
+		marcXmlHandler.characters(leaderValue.toCharArray(), 0, leaderValue.length());
+		marcXmlHandler.endElement(NAMESPACE, LEADER, "");
+		
+		verify(receiver).literal("leader", leaderValue);
+	}
 
 }