From 9ce65c5a963b03ee97fe9cb6c5aa65a3c04a80a8 Mon Sep 17 00:00:00 2001
From: yzhou <yujiao.zhou@gmail.com>
Date: Tue, 21 Apr 2015 10:34:27 +0100
Subject: initial version

---
 src/uk/ac/ox/cs/pagoda/util/TurtleHelper.java | 56 +++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 src/uk/ac/ox/cs/pagoda/util/TurtleHelper.java

(limited to 'src/uk/ac/ox/cs/pagoda/util/TurtleHelper.java')

diff --git a/src/uk/ac/ox/cs/pagoda/util/TurtleHelper.java b/src/uk/ac/ox/cs/pagoda/util/TurtleHelper.java
new file mode 100644
index 0000000..6887b9f
--- /dev/null
+++ b/src/uk/ac/ox/cs/pagoda/util/TurtleHelper.java
@@ -0,0 +1,56 @@
+package uk.ac.ox.cs.pagoda.util;
+
+import java.io.*;
+
+public class TurtleHelper {
+
+	public static void simplify(String tempFile, String outputPath) throws IOException {
+		BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(tempFile)));
+		BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outputPath)));
+
+		String line, sub = null, pred = null, obj = null;
+		char lastSymbol = '.', symbol; 
+		String[] seg;
+		while ((line = reader.readLine()) != null) {
+			if (line.trim().isEmpty() || line.startsWith("#") || line.startsWith("@base")) 
+				continue;
+			
+			if (line.startsWith("@")) {
+				writer.write(line);
+				writer.newLine();
+				continue;
+			}
+				
+			
+			symbol = line.charAt(line.length() - 1);
+			
+			if (lastSymbol == '.') {
+				seg = line.split(" ");
+				sub = seg[0];
+				pred = seg[1];
+				obj = seg[2];
+			}
+			else if (lastSymbol == ';') {
+				line = line.substring(sub.length() + 1);
+				seg = line.split(" ");
+				pred = seg[0];
+				obj = seg[1];
+			}
+			else if (lastSymbol == ',') {
+				line = line.substring(sub.length() + pred.length() + 2);
+				obj = line.substring(0, line.lastIndexOf(' '));
+			}
+			else Utility.logError("ERROR");
+
+			lastSymbol = symbol;
+			if (pred.equals("rdf:type") && obj.startsWith("owl:"))
+				continue;
+			
+			writer.write(sub + " " + pred + " " + obj + " .\n");
+		}
+		
+		reader.close();
+		writer.close();
+	}
+
+}
-- 
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