From dd891c84c5fa2535e4fdfe6bae6ccf9ac5e9193d Mon Sep 17 00:00:00 2001
From: rsiddharth <rsiddharth@ninthfloor.org>
Date: Sat, 2 Nov 2013 22:21:50 +0530
Subject: modified: license/Liberate.java. rewrote it.

now the class can baptize + update parts of the copyright block.
---
 license/Liberate.java | 106 ++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 77 insertions(+), 29 deletions(-)

diff --git a/license/Liberate.java b/license/Liberate.java
index 22ab291..7571afe 100644
--- a/license/Liberate.java
+++ b/license/Liberate.java
@@ -1,6 +1,5 @@
 /*+
- *   Copyright (C) 2012-2013 rsiddharth
- *   Contact me : rsiddharth@ninthfloor.org 
+ *   Copyright (C) 2012, 2013 rsiddharth <rsiddharth@ninthfloor.org>
  *  
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -24,36 +23,72 @@ import scruf.io.*;
     
 public class Liberate {
     private String gpl;
-
-    public Liberate() {
-	gpl = new ReadFile(new File("./scruf/license/gpl")).getContent();
-    }
-
+	
+	// Used in iterate()
     private Pattern pattern;
     private Matcher matcher;
-    private PrintWriter writer;
+
+	// Used in update()
+	private String oldString;
+	private String newString;
     
-    public void baptize(String directory, String regex) {
-	File dir = new File(directory).getAbsoluteFile();
-	File[] dirContents = dir.listFiles();
-	String fileContent;
-	pattern = pattern.compile(regex);
-	for(File file:dirContents) {
-	    if(file.isFile()) {
-			matcher = pattern.matcher(file.getName());
-			if(matcher.find()) {
-				fileContent = new ReadFile(file).getContent();
-				gpl(file,fileContent);
-			}
-	    }
-	    else {
-		// is a Directory.
-		baptize(file.getPath(),regex);
-	    }
+	// TYPES:
+	public static int BAPTIZE = 1, UPDATE = 2;
+
+	// For Baptize
+    public Liberate(String dir, String regex, int TYPE) {
+		gpl = new ReadFile(new File("./scruf/license/gpl")).getContent();
+		iterate(dir, regex, TYPE);
+    }
+
+	// For Update
+	public Liberate(String dir, String regex, int TYPE,
+					String oldString, String newString) {
+		this.oldString = oldString;
+		this.newString = newString;
+		iterate(dir, regex, TYPE);
 	}
+
+    public void iterate(String directory, String regex, int TYPE) {
+		File dir = new File(directory).getAbsoluteFile();
+		File[] dirContents = dir.listFiles();
+		String fileContent;
+		pattern = pattern.compile(regex);
+		for(File file:dirContents) {
+			if(file.isFile()) {
+				matcher = pattern.matcher(file.getName());
+				if(matcher.find()) {
+					fileContent = new ReadFile(file).getContent();
+					if(TYPE == BAPTIZE)
+						baptize(file,fileContent);
+					else if(TYPE == UPDATE)
+						update(file, fileContent);
+				}
+			}
+			else {
+				// is a Directory.
+				iterate(file.getPath(), regex, TYPE);
+			}
+		}
     }
+	
+	public void update(File file, 
+					   String fileContent) {
+		Matcher matcher = Pattern.compile(oldString).matcher(fileContent);
+		if(matcher.find()) {
+			System.out.println("Updating "+file+"...");
+			StringBuffer sbuffer = new StringBuffer();
+			matcher.appendReplacement(sbuffer, newString);
+			matcher.appendTail(sbuffer);
+			// write updated content to file.
+			new WriteFile(file, sbuffer.toString()).write();
+		}else {
+			System.out.println("ol' string not found in " + file);
+		}
+	}
 
-    private void gpl(File file, String fileContent) {
+    private void baptize(File file, 
+						 String fileContent) {
 		Matcher matcher = Pattern.compile("^/\\*\\+").matcher(fileContent);
 		if(!(matcher.find())) {
 			System.out.println("Baptizing "+file+"...");
@@ -66,8 +101,21 @@ public class Liberate {
     }
 	
     public static void main(String[] args) {
-	    Liberate libre = new Liberate();
-	    libre.baptize("./scruf/",".+\\.java$");
+		/*	    Liberate copyrightUpdate = new Liberate("./scruf/",
+									  ".+\\.java$", 
+									  Liberate.UPDATE,
+									  "Copyright 2012 rsiddharth",
+									  "Copyright 2012, 2013 rsiddharth <rsiddharth@ninthfloor.org>");
+		Liberate emailDelete = new Liberate("./scruf/",
+									  ".+\\.java$", 
+									  Liberate.UPDATE,
+									  " \\*   Email: <rsiddharth@ninthfloor.org> \n \\*",
+									  " *");*/
+
+		Liberate baptize = new Liberate("./scruf/",
+										".+\\.java$",
+										Liberate.BAPTIZE
+										);
     }
     
-}
\ No newline at end of file
+}
-- 
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