Add dimensional position equality, test FileHelper class

Author: robotgryphon

src/main/java/com/robotgryphon/compactmachines/teleportation/DimensionalPosition.java

@@ -19,6 +19,7 @@
 import net.minecraftforge.common.util.INBTSerializable;
 
 import javax.annotation.Nonnull;
+import java.util.Objects;
 import java.util.Optional;
 
 public class DimensionalPosition implements INBTSerializable<CompoundNBT> {
@@ -93,6 +94,19 @@ public BlockPos getBlockPosition() {
         return new BlockPos(position.x, position.y, position.z);
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        DimensionalPosition that = (DimensionalPosition) o;
+        return Objects.equals(dimension, that.dimension) && Objects.equals(position, that.position);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(dimension, position);
+    }
+
     @Override
     public String toString() {
         return "DimensionalPosition{" +

src/test/java/com/robotgryphon/compactmachines/tests/util/FileHelper.java

@@ -0,0 +1,45 @@
+package com.robotgryphon.compactmachines.tests.util;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import net.minecraft.nbt.CompoundNBT;
+import net.minecraft.nbt.CompressedStreamTools;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
+
+public class FileHelper {
+    public static final FileHelper INSTANCE = new FileHelper();
+
+    private FileHelper() {
+    }
+
+    public InputStream getFileStream(String filename) {
+        return getClass().getClassLoader().getResourceAsStream(filename);
+    }
+
+    public InputStreamReader openFile(String filename) {
+        URL res = getClass().getClassLoader().getResource(filename);
+        try {
+            InputStream inputStream = res.openStream();
+            return new InputStreamReader(inputStream);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        return null;
+    }
+
+    public JsonElement getJsonFromFile(String filename) {
+        Gson g = new Gson();
+        InputStreamReader isr = openFile(filename);
+        return g.fromJson(isr, JsonElement.class);
+    }
+
+    public CompoundNBT getNbtFromFile(String filename) throws IOException {
+        InputStream isr = getFileStream(filename);
+        return CompressedStreamTools.readCompressed(isr);
+    }
+}