Commit of all current code.

src/main/java/dev/bigduckie/staticdata/StaticDataItem.java

@@ -0,0 +1,53 @@
+package dev.bigduckie.staticdata;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
+
+import net.minecraft.util.Identifier;
+
+/**
+ * Represents one file retrieved from static_data
+ */
+public class StaticDataItem {
+    private final Identifier id;
+    private final Path path;
+    private volatile String readCache = null;
+
+    public StaticDataItem(Identifier id, Path path) {
+        this.id = id;
+        this.path = path;
+    }
+
+    public InputStream createInputStream() throws IOException {
+        if (!Files.exists(path)) throw new FileNotFoundException(); //Should never happen
+        return Files.newInputStream(path, StandardOpenOption.READ);
+    }
+
+    /**
+     * Reads this data in as a UTF-8 String and returns it. Caches the data for later accesses.
+     *
+     * <p>This method is threadsafe.
+     *
+     * @return a String representing the contents of this static data item
+     * @throws IOException
+     */
+    public String getAsString() throws IOException {
+        if (readCache != null) return readCache; //DCL
+        synchronized (this) {
+            if (readCache != null) return readCache;
+
+            if (!Files.exists(path)) throw new FileNotFoundException(); //Should never happen
+            readCache = new String(Files.readAllBytes(path), StandardCharsets.UTF_8);
+            return readCache;
+        }
+    }
+
+    public Identifier getIdentifier() {
+        return id;
+    }
+}