Add the setting changes encoding for CSV file to the preference dialog

(cherry picked from commit 11210b6d8b4584621ef02e7356854ffa9f7f2647)

src/main/java/ninja/javafx/smartcsv/csv/CSVConfigurable.java

@@ -35,6 +35,8 @@ public class CSVConfigurable {
 
     protected CsvPreference csvPreference;
 
+    protected String fileEncoding;
+
     public CSVConfigurable() {
         csvPreference = CsvPreference.EXCEL_NORTH_EUROPE_PREFERENCE;
     }
@@ -42,4 +44,9 @@ public class CSVConfigurable {
     public void setCsvPreference(CsvPreference csvPreference) {
         this.csvPreference = csvPreference;
     }
+
+    public void setFileEncoding(String fileEncoding) {
+        this.fileEncoding = fileEncoding;
+    }
+
 }

src/main/java/ninja/javafx/smartcsv/csv/CSVFileReader.java

@@ -34,6 +34,7 @@ import org.supercsv.io.ICsvMapReader;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.charset.Charset;
 import java.util.Map;
 
 /**
@@ -48,7 +49,8 @@ public class CSVFileReader extends CSVConfigurable implements FileReader<CSVMode
 
         ICsvMapReader mapReader = null;
         try {
-            mapReader = new CsvMapReader(new java.io.FileReader(file.getAbsoluteFile()), csvPreference);
+            mapReader = new CsvMapReader(new java.io.FileReader(file.getAbsoluteFile(), Charset.forName(fileEncoding)),
+                    csvPreference);
             model = new CSVModel();
 
             // the header columns are used as the keys to the Map

src/main/java/ninja/javafx/smartcsv/csv/CSVFileWriter.java

@@ -34,6 +34,7 @@ import org.supercsv.io.ICsvMapWriter;
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.nio.charset.Charset;
 import java.util.Map;
 
 import static java.util.stream.Collectors.toMap;
@@ -53,7 +54,8 @@ public class CSVFileWriter extends CSVConfigurable implements ninja.javafx.smart
     public void write(File filename) throws IOException {
         ICsvMapWriter mapWriter = null;
         try {
-            mapWriter = new CsvMapWriter(new FileWriter(filename.getAbsolutePath()), csvPreference);
+            mapWriter = new CsvMapWriter(new FileWriter(filename.getAbsolutePath(), Charset.forName(fileEncoding)),
+                    csvPreference);
             mapWriter.writeHeader(model.getHeader());
 
             for(CSVRow row: model.getRows()) {