From c5aa3f8d48947ac40025ed5af126e75a234776ee Mon Sep 17 00:00:00 2001
From: Eugenio Favalli <elvenprogrammer@gmail.com>
Date: Thu, 4 Jan 2007 14:18:05 +0000
Subject: Added improved Purger tool in the proper place

---
 tools/Purger.java | 161 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 161 insertions(+)
 create mode 100644 tools/Purger.java

diff --git a/tools/Purger.java b/tools/Purger.java
new file mode 100644
index 00000000..af79d022
--- /dev/null
+++ b/tools/Purger.java
@@ -0,0 +1,161 @@
+/*
+ * Purger (c) 2006 Eugenio Favalli
+ * License: GPL, v2 or later
+ */
+ 
+import java.io.*; 
+import java.text.*;
+import java.util.*;
+
+ public class Purger {
+
+	public static void main(String[] args) {
+		if (args.length != 2) {
+			System.out.println(
+				"Usage: java Purger <folder> <date>\n" +
+				" - folder: is the path to account.txt and athena.txt files.\n" +
+				" - date: accounts created before this date will be purged (dd/mm/yy).");
+			return;
+		}
+		
+		int accounts = 0;
+		int characters = 0;
+		int deletedCharacters = 0;
+		Vector activeAccounts = new Vector();
+		
+		File oldAccount = new File(args[0] + "account.txt");
+		File oldAthena = new File(args[0] + "athena.txt");
+		File newAccount = new File(args[0] + "account.txt.new");
+		File newAthena = new File(args[0] + "athena.txt.new");
+		
+		DateFormat dateFormat = new SimpleDateFormat("dd/MM/yy");
+		Date purgeDate;
+		try {
+			purgeDate = dateFormat.parse(args[1]);
+		}
+		catch (ParseException e) {
+     			System.out.println("ERROR: Wrong date format.");
+			return;
+		}
+		
+		String line;
+		
+		// Remove accounts
+		try {
+			FileInputStream fin =  new FileInputStream(oldAccount);
+			BufferedReader input = new BufferedReader(
+					new InputStreamReader(fin));
+			FileOutputStream fout = new FileOutputStream(newAccount);
+			PrintStream output = new PrintStream(fout);
+			
+			while ((line = input.readLine()) != null) {
+				boolean copy = false;
+				String[] fields = line.split("\t");
+				// Check if we're reading a comment or the last line
+				if (line.substring(0, 2).equals("//") || fields[1].charAt(0) == '%') {
+					copy = true;
+				}
+				else {
+					// Server accounts should not be purged
+					if (!fields[4].equals("S")) {
+						accounts++;
+						dateFormat = new SimpleDateFormat("yyyy-MM-dd");						
+						try {
+							Date date = dateFormat.parse(fields[3]);
+							if (date.after(purgeDate)) {
+								activeAccounts.add(fields[0]);
+								copy = true;
+							}
+						}
+						catch (ParseException e) {
+							System.out.println(
+								"ERROR: Wrong date format in account.txt. ("
+								+ accounts + ": " + line + ")");
+							//return;
+						}
+						catch (Exception e) {
+							e.printStackTrace();
+							return;
+						}
+					}
+					else {
+						copy = true;
+					}					
+				}
+				if (copy) {
+					try {
+						output.println(line);
+					}
+					catch (Exception e) {
+						System.err.println("ERROR: Unable to write file.");
+					}
+				}
+			}
+			input.close();
+			output.close();
+		}
+		catch (FileNotFoundException e ) {
+			System.out.println(
+				"ERROR: file " + oldAccount.getAbsolutePath() + " not found.");
+			return;
+		}
+		catch (Exception e) {
+			System.out.println("ERROR: unable to process account.txt");
+			e.printStackTrace();
+			return;
+		}
+		
+		System.out.println(
+			"Removed " + (accounts - activeAccounts.size()) + "/" +
+			accounts + " accounts.");
+		
+		// Remove characters
+		try {
+			FileInputStream fin =  new FileInputStream(oldAthena);
+			BufferedReader input = new BufferedReader(
+					new InputStreamReader(fin));
+			FileOutputStream fout = new FileOutputStream(newAthena);
+			PrintStream output = new PrintStream(fout);
+			
+			while ((line = input.readLine()) != null) {
+				boolean copy = false;
+				String[] fields = line.split("\t");
+				// Check if we're reading a comment or the last line
+				if (line.substring(0, 2).equals("//")
+						|| fields[1].charAt(0) == '%') {
+					copy = true;
+				}
+				else {
+					characters++;
+					String id = fields[1].substring(0, fields[1].indexOf(','));
+					if (activeAccounts.contains(id)) {
+						copy = true;
+					}
+					else {
+						deletedCharacters++;
+					}
+				}
+				if (copy) {
+					output.println(line);
+				}
+			}
+			input.close();
+			output.close();
+		}
+		catch (FileNotFoundException e ) {
+			System.out.println(
+				"ERROR: file " + oldAthena.getAbsolutePath() + " not found.");
+			return;
+		}
+		catch (Exception e) {
+			System.out.println("ERROR: unable to process athena.txt");
+			e.printStackTrace();
+			return;
+		}
+		
+		System.out.println(
+			"Removed " + deletedCharacters + "/"
+			+ characters + " characters.");
+	}
+	
+}
\ No newline at end of file
-- 
cgit v1.2.3-60-g2f50