#865 Student-step import validation fails when certain characters exist

in the KC header columns
The pattern in the Student-Step Import was invalid (missing ending
paren).

Author: mkomisin

ImportStudentStep/source/edu/cmu/pslc/learnsphere/imports/studentstep/ImportStudentStepMain.java

@@ -58,7 +58,7 @@ protected void runComponent() {
      * @param inputFile the File
      * @throws failure to verify the file will throw an exception
      */
-    private void verifyInputFile(File inputFile) 
+    private void verifyInputFile(File inputFile)
         throws Exception
     {
         File shortFile = null;
@@ -96,7 +96,7 @@ private void verifyInputFile(File inputFile)
     /*
      * Regex for KCM names... the name will be in group(2).
      */
-    private static final Pattern KCM_PATTERN = Pattern.compile("(KC \\()(.*)\\)");
+    private static final Pattern KCM_PATTERN = Pattern.compile("(?i)\\s*KC\\s*\\(.*\\)\\s*");
 
     /**
      * Method to determine what KC models are present in the input file.
@@ -118,10 +118,9 @@ private List<String> getKCModelNames(File inputFile)
             String line = null;
             if ((line = br.readLine()) != null) {
                 for (String header : line.split("\t")) {
-                    Matcher m = KCM_PATTERN.matcher(header);
-                    while (m.find()) {
-                        result.add(m.group(2));
-                    }
+                	String modelName = this.getOptionAsString("model")
+            			.replaceAll("(?i)\\s*KC\\s*\\((.*)\\)\\s*", "$1");
+                	result.add(modelName);
                 }
             }
         } catch (Exception e) {