From: Roland Haeder <roland@mxchange.org>
Date: Mon, 27 Jul 2015 13:35:10 +0000 (+0200)
Subject: Renamed class to reflect actual purpose
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=7f7a3fe2fb6bf738acc741e771f4a14edd06bba2;p=jfinancials-swing.git

Renamed class to reflect actual purpose
Signed-off-by:Roland Häder <roland@mxchange.org>
---

diff --git a/Addressbook/src/org/mxchange/addressbook/database/backend/csv/Base64CsvDatabaseBackend.java b/Addressbook/src/org/mxchange/addressbook/database/backend/csv/Base64CsvDatabaseBackend.java
new file mode 100644
index 0000000..9efa657
--- /dev/null
+++ b/Addressbook/src/org/mxchange/addressbook/database/backend/csv/Base64CsvDatabaseBackend.java
@@ -0,0 +1,543 @@
+/*
+ * Copyright (C) 2015 Roland Haeder
+ *
+ * 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
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.mxchange.addressbook.database.backend.csv;
+
+import java.io.DataOutput;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.text.MessageFormat;
+import java.util.ArrayList;
+import java.util.Base64;
+import java.util.Iterator;
+import java.util.List;
+import java.util.StringTokenizer;
+import org.mxchange.addressbook.contact.Contact;
+import org.mxchange.addressbook.contact.Gender;
+import org.mxchange.addressbook.contact.book.BookContact;
+import org.mxchange.addressbook.contact.user.UserContact;
+import org.mxchange.addressbook.database.backend.BaseDatabaseBackend;
+import org.mxchange.addressbook.database.storage.Storeable;
+import org.mxchange.addressbook.database.storage.csv.StoreableCsv;
+import org.mxchange.addressbook.exceptions.BadTokenException;
+
+/**
+ * A database backend with CSV file as storage implementation
+ *
+ * @author Roland Haeder
+ */
+public class Base64CsvDatabaseBackend extends BaseDatabaseBackend implements CsvBackend {
+
+	/**
+	 * Output stream for this storage engine
+	 */
+	private RandomAccessFile storageFile;
+
+	/**
+	 * Constructor with table name
+	 *
+	 * @param tableName Name of "table"
+	 */
+	public Base64CsvDatabaseBackend (final String tableName) {
+		// Debug message
+		this.getLogger().debug(MessageFormat.format("Trying to initialize table {0} ...", tableName));
+
+		// Set table name here, too
+		this.setTableName(tableName);
+
+		// Construct file name
+		String fileName = String.format("data/table_%s.b64", tableName);
+
+		// Debug message
+		this.getLogger().debug(MessageFormat.format("Trying to open file {0} ...", fileName));
+
+		try {
+			// Try to initialize the storage (file instance)
+			this.storageFile = new RandomAccessFile(fileName, "rw");
+		} catch (final FileNotFoundException ex) {
+			// Did not work
+			this.getLogger().error(MessageFormat.format("File {0} cannot be opened: {1}", fileName, ex.toString()));
+			System.exit(1);
+		}
+
+		// Output message
+		this.getLogger().debug(MessageFormat.format("Database for {0} has been initialized.", tableName));
+	}
+
+	/**
+	 * Gets an iterator for contacts
+	 *
+	 * @return Iterator for contacts
+	 * @throws org.mxchange.addressbook.exceptions.BadTokenException If the
+	 * underlaying method has found an invalid token
+	 */
+	@Override
+	public Iterator<Contact> contactIterator () throws BadTokenException {
+		/*
+		 * Then read the file into RAM (yes, not perfect for >1000 entries ...)
+		 * and get a List back.
+		 */
+		List<Contact> list = this.readContactList();
+
+		// Get iterator from list and return it
+		return list.iterator();
+	}
+
+	/**
+	 * Shuts down this backend
+	 */
+	@Override
+	public void doShutdown () {
+		try {
+			// Close file
+			this.getStorageFile().close();
+		} catch (final IOException ex) {
+			this.getLogger().catching(ex);
+			System.exit(1);
+		}
+	}
+
+	/**
+	 * Get length of underlaying file
+	 *
+	 * @return Length of underlaying file
+	 */
+	@Override
+	public long length () {
+		long length = 0;
+
+		try {
+			length = this.getStorageFile().length();
+			this.getLogger().debug(MessageFormat.format("length={0}", length));
+		} catch (final IOException ex) {
+			// Length cannot be determined
+			this.getLogger().catching(ex);
+			System.exit(1);
+		}
+
+		// Return result
+		this.getLogger().trace(MessageFormat.format("length={0} : EXIT!", length));
+		return length;
+	}
+
+	/**
+	 * Rewinds backend
+	 */
+	@Override
+	public void rewind () {
+		this.getLogger().trace("CALLED!");
+
+		try {
+			// Rewind underlaying database file
+			this.getStorageFile().seek(0);
+		} catch (final IOException ex) {
+			this.getLogger().catching(ex);
+			System.exit(1);
+		}
+
+		this.getLogger().trace("EXIT!");
+	}
+
+	/**
+	 * Stores given object by "visiting" it
+	 *
+	 * @param object An object implementing Storeable
+	 * @throws java.io.IOException From "inner" class
+	 */
+	@Override
+	public void store (final Storeable object) throws IOException {
+		// Make sure the instance is there (DataOutput flawor)
+		assert (this.storageFile instanceof DataOutput);
+
+		// Try to cast it, this will fail if the interface is not implemented
+		StoreableCsv csv = (StoreableCsv) object;
+
+		// Now get a string from the object that needs to be stored
+		String str = csv.getCsvStringFromStoreableObject();
+
+		// Debug message
+		this.getLogger().debug(MessageFormat.format("str({0})={1}", str.length(), str));
+
+		// Encode line in BASE-64
+		byte[] encoded = Base64.getEncoder().encode(str.trim().getBytes());
+
+		// The string is now a valid CSV string
+		this.getStorageFile().write(encoded);
+	}
+
+	/**
+	 * Adds given contact to list
+	 *
+	 * @param contact Contact instance to add
+	 * @param list List instance
+	 */
+	private void addContactToList (final Contact contact, final List<Contact> list) {
+		// No null here
+		if (contact == null) {
+			// Throw exception
+			throw new NullPointerException("contact is null");
+		} else if (list == null) {
+			// Throw exception
+			throw new NullPointerException("list is null");
+		}
+
+		// Debug message
+		this.getLogger().debug(MessageFormat.format("contact={0}", contact));
+
+		// Is the contact read?
+		if (contact instanceof Contact) {
+			// Then add it
+			boolean added = list.add(contact);
+
+			// Debug message
+			this.getLogger().debug(MessageFormat.format("contact={0} added={1}", contact, added));
+
+			// Has it been added?
+			if (!added) {
+				// Not added
+				this.getLogger().warn("Contact object has not been added.");
+			}
+		}
+	}
+
+	/**
+	 * Returns storage file
+	 *
+	 * @return Storage file instance
+	 */
+	private RandomAccessFile getStorageFile () {
+		return this.storageFile;
+	}
+
+	/**
+	 * Checks whether end of file has been reached
+	 *
+	 * @return Whether lines are left to read
+	 */
+	private boolean isEndOfFile () {
+		// Default is EOF
+		boolean isEof = true;
+
+		try {
+			isEof = (this.getStorageFile().getFilePointer() >= this.length());
+		} catch (final IOException ex) {
+			// Length cannot be determined
+			this.getLogger().catching(ex);
+		}
+
+		// Return status
+		this.getLogger().trace(MessageFormat.format("isEof={0} : EXIT!", isEof));
+		return isEof;
+	}
+
+	/**
+	 * Reads the database file, if available, and adds all read lines into the
+	 * list.
+	 *
+	 * @return A list with Contact instances
+	 */
+	private List<Contact> readContactList () throws BadTokenException {
+		this.getLogger().trace("CALLED!");
+
+		// First rewind
+		this.rewind();
+
+		// Get file size and divide it by 140 (possible average length of one line)
+		int lines = Math.round(this.length() / 140 + 0.5f);
+
+		// Debug message
+		this.getLogger().debug(MessageFormat.format("lines={0}", lines));
+
+	// Instance list
+		// @TODO The maximum length could be guessed from file size?
+		List<Contact> list = new ArrayList<>(lines);
+
+		// Init variables
+		StringTokenizer tokenizer;
+		String line;
+
+		// Init A lot variables
+		Long num = null;
+		Boolean bool = null;
+		Gender gender = null;
+		int count = 0;
+		Contact contact = null;
+
+		// Read all lines
+		while (!this.isEndOfFile()) {
+			// Then read a line
+			line = this.readLine();
+
+			// Debug message
+			this.getLogger().debug(MessageFormat.format("line={0}", line));
+
+			// Then tokenize it
+			// @TODO Move this into separate method
+			tokenizer = new StringTokenizer(line, ";");
+
+			// Reset variables
+			count = 0;
+			contact = null;
+
+			// The tokens are now available, so get all
+			while (tokenizer.hasMoreElements()) {
+				// Reset variables
+				num = null;
+				bool = null;
+
+				// Get next token
+				String token = tokenizer.nextToken();
+
+				// If char " is at pos 2 (0,1,2), then cut it of there
+				if ((token.charAt(0) != '"') && (token.charAt(2) == '"')) {
+					// UTF-8 writer characters found
+					token = token.substring(2);
+				}
+				
+				// Debug message
+				this.getLogger().debug(MessageFormat.format("token={0}", token));
+
+				// Verify token, it must have double-quotes on each side
+				if ((!token.startsWith("\"")) || (!token.endsWith("\""))) {
+					// Something bad was read
+					throw new BadTokenException(MessageFormat.format("Token {0} at position {1} has not double-quotes on both ends.", token, count));
+				}
+
+				// All fine, so remove it
+				String strippedToken = token.substring(1, token.length() - 1);
+
+				// Is the string's content "null"?
+				if (strippedToken.equals("null")) {
+					// Debug message
+					this.getLogger().debug(MessageFormat.format("strippedToken={0} - NULL!", strippedToken));
+
+					// This needs to be set to null
+					strippedToken = null;
+				}
+
+				// Debug message
+				this.getLogger().debug(MessageFormat.format("strippedToken={0}", strippedToken));
+
+				// Now, let's try a number check, if no null
+				if (strippedToken != null) {
+					// Okay, no null, maybe the string bears a decimal number?
+					try {
+						num = Long.valueOf(strippedToken);
+
+						// Debug message
+						this.getLogger().debug(MessageFormat.format("strippedToken={0} - NUMBER!", strippedToken));
+					} catch (final NumberFormatException ex) {
+						// No number, then set default
+						num = null;
+					}
+				}
+
+				// Now, let's try a boolean check, if no null
+				if ((strippedToken != null) && (num == null) && ((strippedToken.equals("true")) || (strippedToken.equals("false")))) {
+					// Debug message
+					this.getLogger().debug(MessageFormat.format("strippedToken={0} - BOOLEAN!", strippedToken));
+
+					// parseBoolean() is relaxed, so no exceptions
+					bool = Boolean.valueOf(strippedToken);
+				}
+
+				// Debug message
+				this.getLogger().debug(MessageFormat.format("strippedToken={0},num={1},bool={2}", strippedToken, num, bool));
+
+				// Now, let's try a gender check, if no null
+				if ((strippedToken != null) && (num == null) && (bool == null) && ((strippedToken.equals("M")) || (strippedToken.equals("F")) || (strippedToken.equals("C")))) {
+					// Get first character
+					gender = Gender.fromChar(strippedToken.charAt(0));
+
+					// Debug message
+					this.getLogger().debug(MessageFormat.format("strippedToken={0},gender={1}", strippedToken, gender));
+
+					// This instance must be there
+					assert (gender instanceof Gender) : "gender is not set by Gender.fromChar(" + strippedToken + ")";
+				}
+
+				// Now it depends on the counter which position we need to check
+				switch (count) {
+					case 0: // isOwnContact
+						assert ((bool instanceof Boolean));
+
+						// Debug message
+						this.getLogger().debug(MessageFormat.format("bool={0}", bool));
+
+						// Is it own contact?
+						if (true == bool) {
+							// Debug message
+							this.getLogger().debug("Creating UserContact object ...");
+
+							// Own entry
+							contact = new UserContact();
+						} else {
+							// Debug message
+							this.getLogger().debug("Creating BookContact object ...");
+
+							// Other contact
+							contact = new BookContact();
+						}
+						break;
+
+					case 1: // Gender
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateNameData(gender, null, null, null);
+						break;
+
+					case 2: // Surname
+						assert (contact instanceof Contact) : "First token was not boolean";
+						assert (gender instanceof Gender) : "gender instance is not set";
+
+						// Update data
+						contact.updateNameData(gender, strippedToken, null, null);
+						break;
+
+					case 3: // Family name
+						assert (contact instanceof Contact) : "First token was not boolean";
+						assert (gender instanceof Gender) : "gender instance is not set";
+
+						// Update data
+						contact.updateNameData(gender, null, strippedToken, null);
+						break;
+
+					case 4: // Company name
+						assert (contact instanceof Contact) : "First token was not boolean";
+						assert (gender instanceof Gender) : "gender instance is not set";
+
+						// Update data
+						contact.updateNameData(gender, null, null, strippedToken);
+						break;
+
+					case 5: // Street number
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateAddressData(strippedToken, 0, null, null);
+						break;
+
+					case 6: // ZIP code
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateAddressData(null, num, null, null);
+						break;
+
+					case 7: // City name
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateAddressData(null, 0, strippedToken, null);
+						break;
+
+					case 8: // Country code
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateAddressData(null, 0, null, strippedToken);
+						break;
+
+					case 9: // Phone number
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateOtherData(strippedToken, null, null, null, null, null);
+						break;
+
+					case 10: // Fax number
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateOtherData(null, strippedToken, null, null, null, null);
+						break;
+
+					case 11: // Cellphone number
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateOtherData(null, null, strippedToken, null, null, null);
+						break;
+
+					case 12: // Email address
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateOtherData(null, null, null, strippedToken, null, null);
+						break;
+
+					case 13: // Birthday
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateOtherData(null, null, null, null, strippedToken, null);
+						break;
+
+					case 14: // Birthday
+						assert (contact instanceof Contact) : "First token was not boolean";
+
+						// Update data
+						contact.updateOtherData(null, null, null, null, null, strippedToken);
+						break;
+
+					default: // New data entry
+						this.getLogger().warn(MessageFormat.format("Will not handle unknown data {0} at index {1}", strippedToken, count));
+						break;
+				}
+
+				// Increment counter for next round
+				count++;
+			}
+
+			// The contact instance should be there now
+			assert(contact instanceof Contact) : "contact is not set: " + contact;
+
+			// Add contact
+			this.addContactToList(contact, list);
+		}
+
+		// Return finished list
+		this.getLogger().trace(MessageFormat.format("list.size()={0} : EXIT!", list.size()));
+		return list;
+	}
+
+	/**
+	 * Reads a line from file base
+	 *
+	 * @return Read line from file
+	 */
+	private String readLine () {
+		// Init input
+		String input = null;
+
+		try {
+			String base64 = this.getStorageFile().readLine();
+
+			// Decode BASE-64
+			byte[] decoded = Base64.getDecoder().decode(base64);
+
+			// Convert to string
+			input = new String(decoded);
+		} catch (final IOException ex) {
+			this.getLogger().catching(ex);
+		}
+
+		// Return read string or null
+		return input;
+	}
+}
diff --git a/Addressbook/src/org/mxchange/addressbook/database/backend/csv/CsvDatabaseBackend.java b/Addressbook/src/org/mxchange/addressbook/database/backend/csv/CsvDatabaseBackend.java
deleted file mode 100644
index 49b3128..0000000
--- a/Addressbook/src/org/mxchange/addressbook/database/backend/csv/CsvDatabaseBackend.java
+++ /dev/null
@@ -1,543 +0,0 @@
-/*
- * Copyright (C) 2015 Roland Haeder
- *
- * 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
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package org.mxchange.addressbook.database.backend.csv;
-
-import java.io.DataOutput;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.RandomAccessFile;
-import java.text.MessageFormat;
-import java.util.ArrayList;
-import java.util.Base64;
-import java.util.Iterator;
-import java.util.List;
-import java.util.StringTokenizer;
-import org.mxchange.addressbook.contact.Contact;
-import org.mxchange.addressbook.contact.Gender;
-import org.mxchange.addressbook.contact.book.BookContact;
-import org.mxchange.addressbook.contact.user.UserContact;
-import org.mxchange.addressbook.database.backend.BaseDatabaseBackend;
-import org.mxchange.addressbook.database.storage.Storeable;
-import org.mxchange.addressbook.database.storage.csv.StoreableCsv;
-import org.mxchange.addressbook.exceptions.BadTokenException;
-
-/**
- * A database backend with CSV file as storage implementation
- *
- * @author Roland Haeder
- */
-public class CsvDatabaseBackend extends BaseDatabaseBackend implements CsvBackend {
-
-	/**
-	 * Output stream for this storage engine
-	 */
-	private RandomAccessFile storageFile;
-
-	/**
-	 * Constructor with table name
-	 *
-	 * @param tableName Name of "table"
-	 */
-	public CsvDatabaseBackend (final String tableName) {
-		// Debug message
-		this.getLogger().debug(MessageFormat.format("Trying to initialize table {0} ...", tableName));
-
-		// Set table name here, too
-		this.setTableName(tableName);
-
-		// Construct file name
-		String fileName = String.format("data/table_%s.b64", tableName);
-
-		// Debug message
-		this.getLogger().debug(MessageFormat.format("Trying to open file {0} ...", fileName));
-
-		try {
-			// Try to initialize the storage (file instance)
-			this.storageFile = new RandomAccessFile(fileName, "rw");
-		} catch (final FileNotFoundException ex) {
-			// Did not work
-			this.getLogger().error(MessageFormat.format("File {0} cannot be opened: {1}", fileName, ex.toString()));
-			System.exit(1);
-		}
-
-		// Output message
-		this.getLogger().debug(MessageFormat.format("Database for {0} has been initialized.", tableName));
-	}
-
-	/**
-	 * Gets an iterator for contacts
-	 *
-	 * @return Iterator for contacts
-	 * @throws org.mxchange.addressbook.exceptions.BadTokenException If the
-	 * underlaying method has found an invalid token
-	 */
-	@Override
-	public Iterator<Contact> contactIterator () throws BadTokenException {
-		/*
-		 * Then read the file into RAM (yes, not perfect for >1000 entries ...)
-		 * and get a List back.
-		 */
-		List<Contact> list = this.readContactList();
-
-		// Get iterator from list and return it
-		return list.iterator();
-	}
-
-	/**
-	 * Shuts down this backend
-	 */
-	@Override
-	public void doShutdown () {
-		try {
-			// Close file
-			this.getStorageFile().close();
-		} catch (final IOException ex) {
-			this.getLogger().catching(ex);
-			System.exit(1);
-		}
-	}
-
-	/**
-	 * Get length of underlaying file
-	 *
-	 * @return Length of underlaying file
-	 */
-	@Override
-	public long length () {
-		long length = 0;
-
-		try {
-			length = this.getStorageFile().length();
-			this.getLogger().debug(MessageFormat.format("length={0}", length));
-		} catch (final IOException ex) {
-			// Length cannot be determined
-			this.getLogger().catching(ex);
-			System.exit(1);
-		}
-
-		// Return result
-		this.getLogger().trace(MessageFormat.format("length={0} : EXIT!", length));
-		return length;
-	}
-
-	/**
-	 * Rewinds backend
-	 */
-	@Override
-	public void rewind () {
-		this.getLogger().trace("CALLED!");
-
-		try {
-			// Rewind underlaying database file
-			this.getStorageFile().seek(0);
-		} catch (final IOException ex) {
-			this.getLogger().catching(ex);
-			System.exit(1);
-		}
-
-		this.getLogger().trace("EXIT!");
-	}
-
-	/**
-	 * Stores given object by "visiting" it
-	 *
-	 * @param object An object implementing Storeable
-	 * @throws java.io.IOException From "inner" class
-	 */
-	@Override
-	public void store (final Storeable object) throws IOException {
-		// Make sure the instance is there (DataOutput flawor)
-		assert (this.storageFile instanceof DataOutput);
-
-		// Try to cast it, this will fail if the interface is not implemented
-		StoreableCsv csv = (StoreableCsv) object;
-
-		// Now get a string from the object that needs to be stored
-		String str = csv.getCsvStringFromStoreableObject();
-
-		// Debug message
-		this.getLogger().debug(MessageFormat.format("str({0})={1}", str.length(), str));
-
-		// Encode line in BASE-64
-		byte[] encoded = Base64.getEncoder().encode(str.trim().getBytes());
-
-		// The string is now a valid CSV string
-		this.getStorageFile().write(encoded);
-	}
-
-	/**
-	 * Adds given contact to list
-	 *
-	 * @param contact Contact instance to add
-	 * @param list List instance
-	 */
-	private void addContactToList (final Contact contact, final List<Contact> list) {
-		// No null here
-		if (contact == null) {
-			// Throw exception
-			throw new NullPointerException("contact is null");
-		} else if (list == null) {
-			// Throw exception
-			throw new NullPointerException("list is null");
-		}
-
-		// Debug message
-		this.getLogger().debug(MessageFormat.format("contact={0}", contact));
-
-		// Is the contact read?
-		if (contact instanceof Contact) {
-			// Then add it
-			boolean added = list.add(contact);
-
-			// Debug message
-			this.getLogger().debug(MessageFormat.format("contact={0} added={1}", contact, added));
-
-			// Has it been added?
-			if (!added) {
-				// Not added
-				this.getLogger().warn("Contact object has not been added.");
-			}
-		}
-	}
-
-	/**
-	 * Returns storage file
-	 *
-	 * @return Storage file instance
-	 */
-	private RandomAccessFile getStorageFile () {
-		return this.storageFile;
-	}
-
-	/**
-	 * Checks whether end of file has been reached
-	 *
-	 * @return Whether lines are left to read
-	 */
-	private boolean isEndOfFile () {
-		// Default is EOF
-		boolean isEof = true;
-
-		try {
-			isEof = (this.getStorageFile().getFilePointer() >= this.length());
-		} catch (final IOException ex) {
-			// Length cannot be determined
-			this.getLogger().catching(ex);
-		}
-
-		// Return status
-		this.getLogger().trace(MessageFormat.format("isEof={0} : EXIT!", isEof));
-		return isEof;
-	}
-
-	/**
-	 * Reads the database file, if available, and adds all read lines into the
-	 * list.
-	 *
-	 * @return A list with Contact instances
-	 */
-	private List<Contact> readContactList () throws BadTokenException {
-		this.getLogger().trace("CALLED!");
-
-		// First rewind
-		this.rewind();
-
-		// Get file size and divide it by 140 (possible average length of one line)
-		int lines = Math.round(this.length() / 140 + 0.5f);
-
-		// Debug message
-		this.getLogger().debug(MessageFormat.format("lines={0}", lines));
-
-	// Instance list
-		// @TODO The maximum length could be guessed from file size?
-		List<Contact> list = new ArrayList<>(lines);
-
-		// Init variables
-		StringTokenizer tokenizer;
-		String line;
-
-		// Init A lot variables
-		Long num = null;
-		Boolean bool = null;
-		Gender gender = null;
-		int count = 0;
-		Contact contact = null;
-
-		// Read all lines
-		while (!this.isEndOfFile()) {
-			// Then read a line
-			line = this.readLine();
-
-			// Debug message
-			this.getLogger().debug(MessageFormat.format("line={0}", line));
-
-			// Then tokenize it
-			// @TODO Move this into separate method
-			tokenizer = new StringTokenizer(line, ";");
-
-			// Reset variables
-			count = 0;
-			contact = null;
-
-			// The tokens are now available, so get all
-			while (tokenizer.hasMoreElements()) {
-				// Reset variables
-				num = null;
-				bool = null;
-
-				// Get next token
-				String token = tokenizer.nextToken();
-
-				// If char " is at pos 2 (0,1,2), then cut it of there
-				if ((token.charAt(0) != '"') && (token.charAt(2) == '"')) {
-					// UTF-8 writer characters found
-					token = token.substring(2);
-				}
-				
-				// Debug message
-				this.getLogger().debug(MessageFormat.format("token={0}", token));
-
-				// Verify token, it must have double-quotes on each side
-				if ((!token.startsWith("\"")) || (!token.endsWith("\""))) {
-					// Something bad was read
-					throw new BadTokenException(MessageFormat.format("Token {0} at position {1} has not double-quotes on both ends.", token, count));
-				}
-
-				// All fine, so remove it
-				String strippedToken = token.substring(1, token.length() - 1);
-
-				// Is the string's content "null"?
-				if (strippedToken.equals("null")) {
-					// Debug message
-					this.getLogger().debug(MessageFormat.format("strippedToken={0} - NULL!", strippedToken));
-
-					// This needs to be set to null
-					strippedToken = null;
-				}
-
-				// Debug message
-				this.getLogger().debug(MessageFormat.format("strippedToken={0}", strippedToken));
-
-				// Now, let's try a number check, if no null
-				if (strippedToken != null) {
-					// Okay, no null, maybe the string bears a decimal number?
-					try {
-						num = Long.valueOf(strippedToken);
-
-						// Debug message
-						this.getLogger().debug(MessageFormat.format("strippedToken={0} - NUMBER!", strippedToken));
-					} catch (final NumberFormatException ex) {
-						// No number, then set default
-						num = null;
-					}
-				}
-
-				// Now, let's try a boolean check, if no null
-				if ((strippedToken != null) && (num == null) && ((strippedToken.equals("true")) || (strippedToken.equals("false")))) {
-					// Debug message
-					this.getLogger().debug(MessageFormat.format("strippedToken={0} - BOOLEAN!", strippedToken));
-
-					// parseBoolean() is relaxed, so no exceptions
-					bool = Boolean.valueOf(strippedToken);
-				}
-
-				// Debug message
-				this.getLogger().debug(MessageFormat.format("strippedToken={0},num={1},bool={2}", strippedToken, num, bool));
-
-				// Now, let's try a gender check, if no null
-				if ((strippedToken != null) && (num == null) && (bool == null) && ((strippedToken.equals("M")) || (strippedToken.equals("F")) || (strippedToken.equals("C")))) {
-					// Get first character
-					gender = Gender.fromChar(strippedToken.charAt(0));
-
-					// Debug message
-					this.getLogger().debug(MessageFormat.format("strippedToken={0},gender={1}", strippedToken, gender));
-
-					// This instance must be there
-					assert (gender instanceof Gender) : "gender is not set by Gender.fromChar(" + strippedToken + ")";
-				}
-
-				// Now it depends on the counter which position we need to check
-				switch (count) {
-					case 0: // isOwnContact
-						assert ((bool instanceof Boolean));
-
-						// Debug message
-						this.getLogger().debug(MessageFormat.format("bool={0}", bool));
-
-						// Is it own contact?
-						if (true == bool) {
-							// Debug message
-							this.getLogger().debug("Creating UserContact object ...");
-
-							// Own entry
-							contact = new UserContact();
-						} else {
-							// Debug message
-							this.getLogger().debug("Creating BookContact object ...");
-
-							// Other contact
-							contact = new BookContact();
-						}
-						break;
-
-					case 1: // Gender
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateNameData(gender, null, null, null);
-						break;
-
-					case 2: // Surname
-						assert (contact instanceof Contact) : "First token was not boolean";
-						assert (gender instanceof Gender) : "gender instance is not set";
-
-						// Update data
-						contact.updateNameData(gender, strippedToken, null, null);
-						break;
-
-					case 3: // Family name
-						assert (contact instanceof Contact) : "First token was not boolean";
-						assert (gender instanceof Gender) : "gender instance is not set";
-
-						// Update data
-						contact.updateNameData(gender, null, strippedToken, null);
-						break;
-
-					case 4: // Company name
-						assert (contact instanceof Contact) : "First token was not boolean";
-						assert (gender instanceof Gender) : "gender instance is not set";
-
-						// Update data
-						contact.updateNameData(gender, null, null, strippedToken);
-						break;
-
-					case 5: // Street number
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateAddressData(strippedToken, 0, null, null);
-						break;
-
-					case 6: // ZIP code
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateAddressData(null, num, null, null);
-						break;
-
-					case 7: // City name
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateAddressData(null, 0, strippedToken, null);
-						break;
-
-					case 8: // Country code
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateAddressData(null, 0, null, strippedToken);
-						break;
-
-					case 9: // Phone number
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateOtherData(strippedToken, null, null, null, null, null);
-						break;
-
-					case 10: // Fax number
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateOtherData(null, strippedToken, null, null, null, null);
-						break;
-
-					case 11: // Cellphone number
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateOtherData(null, null, strippedToken, null, null, null);
-						break;
-
-					case 12: // Email address
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateOtherData(null, null, null, strippedToken, null, null);
-						break;
-
-					case 13: // Birthday
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateOtherData(null, null, null, null, strippedToken, null);
-						break;
-
-					case 14: // Birthday
-						assert (contact instanceof Contact) : "First token was not boolean";
-
-						// Update data
-						contact.updateOtherData(null, null, null, null, null, strippedToken);
-						break;
-
-					default: // New data entry
-						this.getLogger().warn(MessageFormat.format("Will not handle unknown data {0} at index {1}", strippedToken, count));
-						break;
-				}
-
-				// Increment counter for next round
-				count++;
-			}
-
-			// The contact instance should be there now
-			assert(contact instanceof Contact) : "contact is not set: " + contact;
-
-			// Add contact
-			this.addContactToList(contact, list);
-		}
-
-		// Return finished list
-		this.getLogger().trace(MessageFormat.format("list.size()={0} : EXIT!", list.size()));
-		return list;
-	}
-
-	/**
-	 * Reads a line from file base
-	 *
-	 * @return Read line from file
-	 */
-	private String readLine () {
-		// Init input
-		String input = null;
-
-		try {
-			String base64 = this.getStorageFile().readLine();
-
-			// Decode BASE-64
-			byte[] decoded = Base64.getDecoder().decode(base64);
-
-			// Convert to string
-			input = new String(decoded);
-		} catch (final IOException ex) {
-			this.getLogger().catching(ex);
-		}
-
-		// Return read string or null
-		return input;
-	}
-}
diff --git a/Addressbook/src/org/mxchange/addressbook/database/frontend/BaseDatabaseFrontend.java b/Addressbook/src/org/mxchange/addressbook/database/frontend/BaseDatabaseFrontend.java
index 9884a77..43955ee 100644
--- a/Addressbook/src/org/mxchange/addressbook/database/frontend/BaseDatabaseFrontend.java
+++ b/Addressbook/src/org/mxchange/addressbook/database/frontend/BaseDatabaseFrontend.java
@@ -18,7 +18,7 @@ package org.mxchange.addressbook.database.frontend;
 
 import org.mxchange.addressbook.BaseFrameworkSystem;
 import org.mxchange.addressbook.database.backend.DatabaseBackend;
-import org.mxchange.addressbook.database.backend.csv.CsvDatabaseBackend;
+import org.mxchange.addressbook.database.backend.csv.Base64CsvDatabaseBackend;
 
 /**
  * General database frontend class
@@ -61,6 +61,6 @@ public class BaseDatabaseFrontend extends BaseFrameworkSystem {
 	 */
 	protected void initBackend () {
 		// Instance backend
-		this.backend = new CsvDatabaseBackend(this.getTableName());
+		this.backend = new Base64CsvDatabaseBackend(this.getTableName());
 	}
 }