Initial commit

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

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+/*
+   The MIT License (MIT)
+   -----------------------------------------------------------------------------
+
+   Copyright (c) 2015 javafx.ninja <info@javafx.ninja>                                              
+                                                                                                                    
+   Permission is hereby granted, free of charge, to any person obtaining a copy
+   of this software and associated documentation files (the "Software"), to deal
+   in the Software without restriction, including without limitation the rights
+   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+   copies of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+   THE SOFTWARE.
+  
+*/
+
+package ninja.javafx.smartcsv.csv;
+
+import ninja.javafx.smartcsv.fx.table.model.CSVModel;
+import ninja.javafx.smartcsv.fx.table.model.CSVRow;
+import org.springframework.stereotype.Service;
+import org.supercsv.io.CsvMapWriter;
+import org.supercsv.io.ICsvMapWriter;
+import org.supercsv.prefs.CsvPreference;
+
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Map;
+
+import static java.util.stream.Collectors.toMap;
+
+/**
+ * filewriter for the csv
+ */
+@Service
+public class CSVFileWriter {
+
+    public void saveFile(CSVModel model) throws IOException {
+        ICsvMapWriter mapWriter = null;
+        try {
+            mapWriter = new CsvMapWriter(new FileWriter(model.getFilepath()), CsvPreference.EXCEL_NORTH_EUROPE_PREFERENCE);
+            mapWriter.writeHeader(model.getHeader());
+
+            for(CSVRow row: model.getRows()) {
+                Map<String, String> columns = convertMapFromModel(row);
+                mapWriter.write(columns, model.getHeader());
+            }
+        }
+        finally {
+            if( mapWriter != null ) {
+                mapWriter.close();
+            }
+        }
+    }
+
+    /**
+     * transforms the column map from CSVValue to a simple Map<String,String>
+     * @param row the row to convert
+     * @return a simple map for the supercvs writer
+     */
+    private Map<String, String> convertMapFromModel(CSVRow row) {
+        return row.getColumns().entrySet().stream()
+                .collect(
+                        toMap(
+                            Map.Entry::getKey,
+                            e -> e.getValue().getValue().getValue() != null ? e.getValue().getValue().getValue() : ""
+                        )
+                );
+    }
+}