Rewrote course parser to parse race xml file specified in AC35 spec.

#story[828]

src/main/java/seng302/server/simulator/parsers/FileParser.java

@@ -0,0 +1,35 @@
+package seng302.server.simulator.parsers;
+
+import org.w3c.dom.Document;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import java.io.InputStream;
+
+/**
+ * Created by Haoming Yin (hyi25) on 16/3/2017
+ */
+public abstract class FileParser {
+
+    private String filePath;
+
+    public FileParser(String path) {
+        this.filePath = path;
+    }
+
+    protected Document parseFile() {
+        try {
+            InputStream is = getClass().getResourceAsStream(this.filePath);
+            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+            DocumentBuilder builder = factory.newDocumentBuilder();
+            Document doc = builder.parse(is);
+            // optional, in order to recover info from broken line.
+            doc.getDocumentElement().normalize();
+            return doc;
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+
+    }
+}