Use streams to parse the dataset description

Streams make the code easier to understand and maintain. Simultaneously
this code will use less memory because the file is read lazily. By using
`Files.lines` all the platform dependent line endings are also handled
automatically.

Author: ibbem

src/main/java/org/variantsync/diffdetective/datasets/DatasetDescription.java

@@ -1,13 +1,14 @@
 package org.variantsync.diffdetective.datasets;
 
-import org.variantsync.diffdetective.util.FileUtils;
 import org.variantsync.diffdetective.util.LaTeX;
 import org.variantsync.diffdetective.util.StringUtils;
 
 import java.io.IOException;
+import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 public record DatasetDescription(
         String name,
@@ -16,28 +17,20 @@ public record DatasetDescription(
         String commits
 ) {
     public static List<DatasetDescription> fromMarkdown(final Path markdownFile) throws IOException {
-        final String markdown = FileUtils.readUTF8(markdownFile);
-        final String[] lines = markdown.split(StringUtils.LINEBREAK_REGEX);
-
-        final List<DatasetDescription> datasets = new ArrayList<>(lines.length - 2);
-        // Start at 2 to skip header and separator line of table
-        for (int i = 2; i < lines.length; ++i) {
-            final String[] cells = lines[i].split("\\|");
-
-            final String hasCode = cells[2];
-            final String isGitRepo = cells[3];
-
-            if (isYes(hasCode) && isYes(isGitRepo)) {
-                datasets.add(new DatasetDescription(
-                        cells[0].trim(), // name
-                        cells[5].trim(), // clone URL,
-                        cells[1].trim(), // domain
-                        cells[6].trim()  // #commits
-                ));
-            }
+        try (Stream<String> lines = Files.lines(markdownFile)) {
+            return lines
+                .skip(2) // Skip header
+                .map(line -> line.split("\\|"))
+                .filter(cells ->
+                    isYes(cells[2]) && // hasCode
+                    isYes(cells[3]) // isGitRepo
+                ).map(cells -> new DatasetDescription(
+                    cells[0].trim(), // name
+                    cells[5].trim(), // clone URL
+                    cells[1].trim(), // domain
+                    cells[6].trim()) // #commits
+                ).collect(Collectors.toList());
         }
-
-        return datasets;
     }
 
     public static String asLaTeXTable(final List<DatasetDescription> datasets) {