feat: write ByteArrayOutputStream directly to file and update the poi library

Author: tsakostas

polygenesis-exporters/polygenesis-exporter-file/src/main/java/io/polygenesis/core/ActiveFileExporter.java

@@ -23,9 +23,9 @@
 import io.polygenesis.commons.assertion.Assertion;
 import io.polygenesis.commons.path.PathService;
 import java.io.ByteArrayOutputStream;
+import java.io.FileOutputStream;
 import java.io.IOException;
-import java.nio.charset.Charset;
-import java.nio.file.Files;
+import java.io.OutputStream;
 import java.nio.file.Paths;
 
 /**
@@ -48,13 +48,14 @@ public void export(ByteArrayOutputStream byteArrayOutputStream, ExportInfo expor
 
  PathService.ensurePath(exportInfo.getGenerationPath());
 
- String formattedContent =
- format(byteArrayOutputStream.toString(Charset.defaultCharset()), exportInfo.getFileName());
-
  try {
- Files.write(
- Paths.get(exportInfo.getGenerationPath().toString(), exportInfo.getFileName()),
- formattedContent.getBytes());
+ OutputStream outputStream =
+ new FileOutputStream(
+ Paths.get(exportInfo.getGenerationPath().toString(), exportInfo.getFileName())
+ .toString());
+ byteArrayOutputStream.writeTo(outputStream);
+ outputStream.flush();
+ outputStream.close();
  } catch (IOException e) {
  throw new IllegalStateException(e.getMessage(), e);
  }

polygenesis-generators/polygenesis-generator-spreadsheet/src/main/java/io/polygenesis/generators/spreadsheet/SpreadsheetMetamodelGenerator.java

@@ -36,7 +36,7 @@
  */
 public class SpreadsheetMetamodelGenerator extends AbstractMetamodelGenerator {
 
- private static final String SPREADSHEET_POSTFIX = "xls";
+ private static final String SPREADSHEET_POSTFIX = "xlsx";
 
  // ===============================================================================================
  // DEPENDENCIES

polygenesis-generators/polygenesis-generator-spreadsheet/src/test/java/io/polygenesis/generators/spreadsheet/SpreadsheetGeneratorIntegrationTest.java

@@ -0,0 +1,82 @@
+/*-
+ * ==========================LICENSE_START=================================
+ * PolyGenesis Platform
+ * ========================================================================
+ * Copyright (C) 2015 - 2020 Christos Tsakostas, OREGOR LTD
+ * ========================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ===========================LICENSE_END==================================
+ */
+
+package io.polygenesis.generators.spreadsheet;
+
+import io.polygenesis.commons.valueobjects.Name;
+import io.polygenesis.commons.valueobjects.ObjectName;
+import io.polygenesis.core.MetamodelRepository;
+import io.polygenesis.metamodels.spreadsheet.Cell;
+import io.polygenesis.metamodels.spreadsheet.ColumnIndex;
+import io.polygenesis.metamodels.spreadsheet.RowIndex;
+import io.polygenesis.metamodels.spreadsheet.Sheet;
+import io.polygenesis.metamodels.spreadsheet.Spreadsheet;
+import io.polygenesis.metamodels.spreadsheet.SpreadsheetMetamodelRepository;
+import io.polygenesis.metamodels.spreadsheet.Value;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.LinkedHashSet;
+import java.util.Set;
+import java.util.stream.IntStream;
+import org.junit.Test;
+
+/**
+ * The type Spreadsheet generator integration test.
+ *
+ * @author Christos Tsakostas
+ */
+public class SpreadsheetGeneratorIntegrationTest {
+
+ /** Should generate spreadsheet. */
+ @Test
+ public void shouldGenerateSpreadsheet() {
+ final Path exportPath = Paths.get(System.getProperty("user.dir"), "target");
+
+ // SPREADSHEET
+ Set<Spreadsheet> spreadsheets = new LinkedHashSet<>();
+
+ Set<Sheet> sheets = new LinkedHashSet<>();
+
+ Set<Cell> cells = new LinkedHashSet<>();
+ IntStream.range(0, 5)
+ .forEach(
+ rowIndex -> {
+ cells.add(new Cell(new RowIndex(rowIndex), new ColumnIndex(0), new Value(rowIndex)));
+ });
+
+ Sheet sheet = new Sheet(new Name("no alias"), cells);
+
+ sheets.add(sheet);
+
+ Spreadsheet spreadsheet = new Spreadsheet(new ObjectName("redirects"), sheets);
+ spreadsheets.add(spreadsheet);
+
+ SpreadsheetMetamodelRepository spreadsheetMetamodelRepository =
+ new SpreadsheetMetamodelRepository(spreadsheets);
+
+ Set<MetamodelRepository<?>> modelRepositories = new LinkedHashSet<>();
+ modelRepositories.add(spreadsheetMetamodelRepository);
+
+ SpreadsheetMetamodelGenerator spreadsheetMetamodelGenerator =
+ SpreadsheetMetamodelGeneratorFactory.newInstance(exportPath);
+
+ spreadsheetMetamodelGenerator.generate(modelRepositories);
+ }
+}

pom.xml

@@ -112,7 +112,7 @@
  <commons-lang3.version>3.5</commons-lang3.version>
  <commons-io-version>2.4</commons-io-version>
  <commons-validator.version>1.5.1</commons-validator.version>
- <apache-poi.version>4.1.0</apache-poi.version>
+ <apache-poi.version>4.1.2</apache-poi.version>
 
  <!--GUAVA-->
  <guava.version>26.0-jre</guava.version>