1 files changed, 67 insertions, 0 deletions
diff --git a/gi/posterior-regularisation/prjava/src/util/InputOutput.java b/gi/posterior-regularisation/prjava/src/util/InputOutput.java
new file mode 100644
index 00000000..da7f71bf
--- /dev/null
+++ b/gi/posterior-regularisation/prjava/src/util/InputOutput.java
@@ -0,0 +1,67 @@
+package util;
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.io.UnsupportedEncodingException;
+import java.util.Properties;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
+
+public class InputOutput {
+
+	/**
+	 * Opens a file either compress with gzip or not compressed.
+	 */
+	public static BufferedReader openReader(String fileName) throws UnsupportedEncodingException, FileNotFoundException, IOException{
+		System.out.println("Reading: " + fileName);
+		BufferedReader reader;
+		fileName = fileName.trim();
+		if(fileName.endsWith("gz")){
+			reader = new BufferedReader(
+			new InputStreamReader(new GZIPInputStream(new FileInputStream(fileName)),"UTF8"));
+		}else{
+			reader = new BufferedReader(new InputStreamReader(
+					new FileInputStream(fileName), "UTF8"));
+		}
+		
+		return reader;
+	}
+	
+	
+	public static PrintStream openWriter(String fileName) 
+	throws UnsupportedEncodingException, FileNotFoundException, IOException{
+		System.out.println("Writting to file: " + fileName);
+		PrintStream writter;
+		fileName = fileName.trim();
+		if(fileName.endsWith("gz")){
+			writter = new PrintStream(new GZIPOutputStream(new FileOutputStream(fileName)),
+					true, "UTF-8");
+
+		}else{
+			writter = new PrintStream(new FileOutputStream(fileName),
+					true, "UTF-8");
+
+		}
+		
+		return writter;
+	}
+	
+	public static Properties readPropertiesFile(String fileName) {
+		Properties properties = new Properties();
+		try {
+			properties.load(new FileInputStream(fileName));
+		} catch (IOException e) {
+			e.printStackTrace();
+			throw new AssertionError("Wrong properties file " + fileName);
+		}
+		System.out.println(properties.toString());
+		
+		return properties;
+	}
+}