Initial commit

src/xkcd/construction/ImageDataLoader.java

@@ -0,0 +1,60 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package xkcd.construction;
+
+import xkcd.rectangle.imagepath.PathRectangle;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+
+/**
+ * @author Hannes
+ */
+public class ImageDataLoader {
+    public ImageDataLoader() {
+    }
+
+    public Collection<PathRectangle> load(final File path) {
+        final Collection<PathRectangle> rectangles = new ArrayList<>();
+
+        rectangles.addAll(loadFromDirectory(path));
+
+        return rectangles;
+    }
+
+    private Collection<PathRectangle> loadFromDirectory(final File directory) {
+        final Collection<PathRectangle> rectangles = new ArrayList<>();
+
+        for (final File fileEntry : directory.listFiles()) {
+            if (fileEntry.isDirectory()) {
+                rectangles.addAll(loadFromDirectory(fileEntry));
+            } else {
+                if (loadFile(fileEntry) != null) {
+                    rectangles.add(loadFile(fileEntry));
+                }
+            }
+        }
+        return rectangles;
+    }
+
+    private PathRectangle loadFile(final File file) {
+        try {
+            final BufferedImage tmpImage = ImageIO.read(file);
+            //TODO use correct rotation data of an Image and rotate image if necessary
+            if (tmpImage == null) {
+                return null;
+            }
+            return new PathRectangle(file, 0, 0, tmpImage.getWidth(), tmpImage.getHeight());
+
+        } catch (final IOException ex) {
+            return null;
+        }
+    }
+}