Add Header row configuration option

src/main/java/com/evolveum/polygon/connector/csv/CsvConfiguration.java

@@ -155,6 +155,13 @@ public boolean isHeaderExists() {
         return config.isHeaderExists();
     }
 
+    @ConfigurationProperty(
+            displayMessageKey = "UI_CSV_HEADER_ROW",
+            helpMessageKey = "UI_CSV_HEADER_ROW_HELP")
+    public int getHeaderRow() {
+        return config.getHeaderRow();
+    }
+
     @ConfigurationProperty(
             displayMessageKey = "UI_CSV_READ_ONLY",
             helpMessageKey = "UI_CSV_READ_ONLY_HELP")
@@ -188,6 +195,10 @@ public void setHeaderExists(boolean headerExists) {
         config.setHeaderExists(headerExists);
     }
 
+    public void setHeaderRow(int headerRow) {
+        config.setHeaderRow(headerRow);
+    }
+
     public void setObjectClassDefinition(File objectClassDefinition) {
         this.objectClassDefinition = objectClassDefinition;
     }

src/main/java/com/evolveum/polygon/connector/csv/ObjectClassHandler.java

@@ -58,9 +58,9 @@ private Map<String, Column> initHeader(File csvFile) {
             Iterator<CSVRecord> iterator = parser.iterator();
 
             CSVRecord record = null;
-            while (iterator.hasNext()) {
+            for (int i = 1; i <= configuration.getHeaderRow() && iterator.hasNext(); i++) {
                 record = iterator.next();
-                if (!isRecordEmpty(record)) {
+                if (i == configuration.getHeaderRow() && !isRecordEmpty(record)) {
                     break;
                 }
             }
@@ -270,7 +270,7 @@ public Uid create(ObjectClass oc, Set<Attribute> set, OperationOptions oo) {
             // we don't want to skip header in any case, but if it's there just
             // write it to tmp file as "standard" record. We can't handle first row
             // as header in case there are more columns with the same name.
-            if (configuration.isHeaderExists() && iterator.hasNext()) {
+            for (int i = 1; i <= configuration.getHeaderRow() && iterator.hasNext(); i++) {
                 CSVRecord record = iterator.next();
                 printer.printRecord(record);
             }
@@ -389,7 +389,7 @@ public FilterTranslator<String> createFilterTranslator(ObjectClass oc, Operation
     }
 
     private boolean skipRecord(CSVRecord record) {
-        if (configuration.isHeaderExists() && record.getRecordNumber() == 1) {
+        if (configuration.isHeaderExists() && record.getRecordNumber() <= configuration.getHeaderRow()) {
             return true;
         }
 

src/main/java/com/evolveum/polygon/connector/csv/ObjectClassHandlerConfiguration.java

@@ -35,6 +35,7 @@ public class ObjectClassHandlerConfiguration {
     private boolean trailingDelimiter = false;
     private boolean trim = false;
     private boolean headerExists = true;
+    private int headerRow = 1;
 
     private String uniqueAttribute;
     private String nameAttribute;
@@ -71,6 +72,7 @@ public ObjectClassHandlerConfiguration(ObjectClass oc, Map<String, Object> value
         setTrailingDelimiter(Util.getSafeValue(values, "trailingDelimiter", false, Boolean.class));
         setTrim(Util.getSafeValue(values, "trim", false, Boolean.class));
         setHeaderExists(Util.getSafeValue(values, "headerExists", true, Boolean.class));
+        setHeaderRow(Util.getSafeValue(values, "headerRow", 1, Integer.class));
 
         setUniqueAttribute(Util.getSafeValue(values, "uniqueAttribute", null, String.class));
         setNameAttribute(Util.getSafeValue(values, "nameAttribute", null, String.class));
@@ -119,6 +121,14 @@ public void setHeaderExists(boolean headerExists) {
         this.headerExists = headerExists;
     }
 
+    public int getHeaderRow() {
+        return headerRow;
+    }
+
+    public void setHeaderRow(int headerRow) {
+        this.headerRow = headerRow;
+    }
+
     public ObjectClass getObjectClass() {
         return objectClass;
     }

src/main/resources/com/evolveum/polygon/connector/csv/Messages.properties

@@ -37,6 +37,8 @@ UI_CSV_OBJECT_CLASS_DEFINITION=Object class definition
 UI_CSV_OBJECT_CLASS_DEFINITION_HELP=File which contains definitions for other object classes.
 UI_CSV_HEADER_EXISTS=Header exists
 UI_CSV_HEADER_EXISTS_HELP=Whether header exists in csv file.
+UI_CSV_HEADER_ROW=Header row
+UI_CSV_HEADER_ROW_HELP=Which row the header is on in the csv. Default value is 1.
 UI_CSV_TMP_FOLDER=Tmp folder
 UI_CSV_TMP_FOLDER_HELP=Folder where csv connector can write temporary files. By default the same folder as where csv file resides.
 UI_CSV_READ_ONLY=Read only