From: Roland Haeder <roland@mxchange.org>
Date: Fri, 2 Oct 2015 07:49:47 +0000 (+0200)
Subject: Renaming season: renamed manager -> facade
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=e7b916da39ca612ca6762eedc07c35b7f807e286;p=addressbook-lib.git

Renaming season: renamed manager -> facade
Signed-off-by:Roland Häder <roland@mxchange.org>
---

diff --git a/lib/jcore.jar b/lib/jcore.jar
index a656d48..b78e9d0 100644
Binary files a/lib/jcore.jar and b/lib/jcore.jar differ
diff --git a/src/org/mxchange/addressbook/client/BaseAddressbookClient.java b/src/org/mxchange/addressbook/client/BaseAddressbookClient.java
index effa814..5f12b48 100644
--- a/src/org/mxchange/addressbook/client/BaseAddressbookClient.java
+++ b/src/org/mxchange/addressbook/client/BaseAddressbookClient.java
@@ -23,8 +23,8 @@ import java.util.Map;
 import javax.naming.Context;
 import javax.naming.InitialContext;
 import javax.naming.NamingException;
-import org.mxchange.addressbook.manager.contact.AddressbookContactManager;
-import org.mxchange.addressbook.manager.contact.ManageableContactAddressbook;
+import org.mxchange.addressbook.facade.contact.AddressbookContactFacade;
+import org.mxchange.addressbook.facade.contact.ContactFacade;
 import org.mxchange.addressbook.menu.Menu;
 import org.mxchange.jcore.client.BaseClient;
 import org.mxchange.jcore.client.Client;
@@ -156,12 +156,12 @@ public abstract class BaseAddressbookClient extends BaseClient implements Addres
 		// Debug message
 		this.getLogger().logDebug("Initializing contact manager ..."); //NOI18N
 
-		// Init contact manager with console client
+		// Init contact facade with console client
 		// TODO Static initial amount of contacts
-		ManageableContactAddressbook manager = new AddressbookContactManager((Client) this);
+		ContactFacade facade = new AddressbookContactFacade((Client) this);
 
 		// Set it here
-		this.setManager(manager);
+		this.setManager(facade);
 
 		// Debug message
 		this.getLogger().logDebug("Contact manager has been initialized."); //NOI18N
diff --git a/src/org/mxchange/addressbook/facade/contact/AddressbookContactFacade.java b/src/org/mxchange/addressbook/facade/contact/AddressbookContactFacade.java
new file mode 100644
index 0000000..440c223
--- /dev/null
+++ b/src/org/mxchange/addressbook/facade/contact/AddressbookContactFacade.java
@@ -0,0 +1,670 @@
+/*
+ * 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.facade.contact;
+
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.sql.SQLException;
+import java.text.MessageFormat;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+import org.mxchange.addressbook.client.AddressbookClient;
+import org.mxchange.addressbook.exceptions.ContactAlreadyAddedException;
+import org.mxchange.jcontacts.contact.Contact;
+import org.mxchange.jcontacts.contact.gender.Gender;
+import org.mxchange.jcore.client.Client;
+import org.mxchange.jcore.exceptions.UnhandledUserChoiceException;
+import org.mxchange.jcore.manager.BaseManager;
+import org.mxchange.jcoreeelogger.beans.local.logger.Log;
+import org.mxchange.jcoreeelogger.beans.local.logger.LoggerBeanLocal;
+
+/**
+ * A facade for contacts.
+ * <p>
+ * @author Roland Haeder
+ * @version 0.0
+ */
+public class AddressbookContactFacade extends BaseManager implements ContactFacade {
+
+	/**
+	 * Column name list
+	 */
+	private final List<String> columnNames;
+
+	/**
+	 * Logger instance
+	 */
+	@Log
+	private LoggerBeanLocal logger;
+
+	/**
+	 * Translated column name list
+	 */
+	private final List<String> translatedColumnNames;
+
+	/**
+	 * Constructor which accepts maxContacts for maximum (initial) contacts and
+	 * a client instance.
+	 * <p>
+	 * @param client Client instance to use
+	 * @throws java.sql.SQLException If an SQL error occurs
+	 */
+	public AddressbookContactFacade (final Client client) throws SQLException {
+		// Trace message
+		this.getLogger().logTrace(MessageFormat.format("client={1} - CALLED!", client)); //NOI18N
+
+		// Make sure all parameters are set correctly
+		if (null == client) {
+			// Abort here
+			throw new NullPointerException("client is null"); //NOI18N
+		}
+
+		// Set client instance
+		this.setClient(client);
+
+		// Init database connection
+		DatabaseFrontend frontend = new AddressbookContactDatabaseFrontend(this);
+		this.setFrontend(frontend);
+
+		// Initialize list
+		this.columnNames = new ArrayList<>(15);
+		this.translatedColumnNames = new ArrayList<>(15);
+
+		// And fill it
+		this.fillColumnNamesFromBundle();
+
+		// Debug message
+		//* NOISY-DEBUG: */ this.getLogger().logDebug("client=" + client);
+	}
+
+	@Override
+	public void addContact (final Contact contact) throws ContactAlreadyAddedException {
+		// Trace message
+		this.getLogger().logTrace(MessageFormat.format("contact={0} - CALLED!", contact)); //NOI18N
+
+		// Contact instance must not be null
+		if (null == contact) {
+			// Abort here
+			throw new NullPointerException("contact is null"); //NOI18N
+		}
+
+		// Add it
+		((AddressbookContactFrontend) this.getFrontend()).addContact(contact);
+
+		// Trace message
+		this.getLogger().logTrace("EXIT!"); //NOI18N
+	}
+
+	@Override
+	public void doAddOtherAddress () {
+		throw new UnsupportedOperationException("Not supported yet."); //NOI18N
+	}
+
+	@Override
+	public void doChangeAddressData (final Contact contact) {
+		// Trace message
+		this.getLogger().logTrace(MessageFormat.format("contact={0} CALLED!", contact)); //NOI18N
+
+		// Contact must not be null
+		if (null == contact) {
+			// Abort here
+			throw new NullPointerException("contact is null"); //NOI18N
+		}
+		if (!(this.getClient() instanceof AddressbookClient)) {
+			// Cannot cast
+			throw new IllegalArgumentException(MessageFormat.format("this.getClient()={0} does not implement AddressbookClient", this.getClient())); //NOI18N
+		}
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		// First display it again
+		client.displayAddressBox(contact);
+
+		// Is it own data?
+		if (contact.isOwnContact()) {
+			// Deligate to client
+			client.doChangeOwnAddressData(contact);
+		} else {
+			// Other contact's address data to change
+			throw new UnsupportedOperationException("Changing contact entries not finished."); //NOI18N
+		}
+
+		// Trace message
+		this.getLogger().logTrace("EXIT!"); //NOI18N
+	}
+
+	@Override
+	public void doChangeNameData (final Contact contact) {
+		// Trace message
+		this.getLogger().logTrace(MessageFormat.format("contact={0} CALLED!", contact)); //NOI18N
+
+		// Contact must not be null
+		if (null == contact) {
+			// Abort here
+			throw new NullPointerException("contact is null"); //NOI18N
+		}
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		// First display them again
+		client.displayNameBox(contact);
+
+		// Is this own data?
+		if (contact.isOwnContact()) {
+			// Re-ask own data
+			client.doChangeOwnNameData(contact);
+		} else {
+			// Then re-ask them ...
+			throw new UnsupportedOperationException("Changing contact entries not finished."); //NOI18N
+		}
+
+		// Trace message
+		this.getLogger().logTrace("EXIT!"); //NOI18N
+	}
+
+	@Override
+	public void doChangeOtherAddress () {
+		throw new UnsupportedOperationException("Not supported yet."); //NOI18N
+	}
+
+	@Override
+	public void doChangeOtherData (final Contact contact) {
+		// Trace message
+		this.getLogger().logTrace(MessageFormat.format("contact={0} CALLED!", contact)); //NOI18N
+
+		// Contact must not be null
+		if (null == contact) {
+			// Abort here
+			throw new NullPointerException("contact is null"); //NOI18N
+		}
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		// First display them again
+		client.displayOtherDataBox(contact);
+
+		// Is this own data?
+		if (contact.isOwnContact()) {
+			// Re-ask own data
+			client.doChangeOwnOtherData(contact);
+		} else {
+			// Then re-ask them ...
+			throw new UnsupportedOperationException("Changing contact entries not finished."); //NOI18N
+		}
+
+		// Trace message
+		this.getLogger().logTrace("EXIT!"); //NOI18N
+	}
+
+	@Override
+	public void doChangeOwnData () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		/*
+		 * First check if the user has registered own contact, before that
+		 * nothing can be changed.
+		 */
+		if (!this.isOwnContactAdded()) {
+			// Not added
+			this.getClient().outputMessage("Sie haben noch nicht Ihre Daten eingegeben."); //NOI18N
+
+			// Skip any below code
+			return;
+		}
+
+		// Instance
+		Contact contact = this.getOwnContact();
+
+		// It must be found
+		assert (contact instanceof Contact) : ": contact is not implementing Contact: " + contact;
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		// Display contact
+		client.show(contact);
+
+		try {
+			// Ask user what to change
+			client.userChooseChangeContactData(contact);
+		} catch (final UnhandledUserChoiceException ex) {
+			this.getLogger().logException(ex);
+		}
+
+		// Trace message
+		this.getLogger().logTrace("EXIT!"); //NOI18N
+	}
+
+	@Override
+	public void doDeleteOtherAddress () {
+		throw new UnsupportedOperationException("Not supported yet."); //NOI18N
+	}
+
+	@Override
+	public void doEnterOwnData () throws ContactAlreadyAddedException, IOException {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Is own contact already added?
+		if (this.isOwnContactAdded()) {
+			// Don't continue here
+			throw new ContactAlreadyAddedException();
+		}
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		// Deligate this call to the client
+		Contact contact = client.doEnterOwnData();
+
+		// Is it set?
+		if (contact instanceof Contact) {
+			// Add it to contact "book"
+			this.registerContact(contact);
+		}
+
+		// Trace message
+		this.getLogger().logTrace("EXIT!"); //NOI18N
+	}
+
+	@Override
+	public void doListContacts () {
+		throw new UnsupportedOperationException("Not supported yet."); //NOI18N
+	}
+
+	@Override
+	public void doSearchContacts () {
+		throw new UnsupportedOperationException("Not supported yet."); //NOI18N
+	}
+
+	@Override
+	public void doShutdown () throws SQLException, IOException {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Shut down the database layer
+		((AddressbookContactFrontend) this.getFrontend()).doShutdown();
+
+		// Trace message
+		this.getLogger().logTrace("EXIT!"); //NOI18N
+	}
+
+	@Override
+	public String enterOwnCellNumber () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(5, 30, "Bitte geben Sie Ihre Handynummer an: ", true);
+	}
+
+	@Override
+	public String enterOwnCity () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(3, 50, "Bitte geben Sie Ihre Wohnort ein: ", false);
+	}
+
+	@Override
+	public String enterOwnComment () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(0, 100, "Kommentar zu Ihrem Eintrag: ", true);
+	}
+
+	@Override
+	public String enterOwnCompanyName () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(5, 50, "Bitte geben Sie Ihre Firmenbezeichnung ein: ", true);
+	}
+
+	@Override
+	public String enterOwnCountryCode () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(2, 2, "Bitte geben Sie den zweistelligen Ländercode von Ihrem Land ein: ", false).toUpperCase();
+	}
+
+	@Override
+	public String enterOwnEmailAddress () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(10, 50, "Bitte geben Sie Ihre Email-Adresse ein: ", true);
+	}
+
+	@Override
+	public String enterOwnFamilyName () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(2, 50, "Bitte geben Sie Ihren Nachnamen ein: ", false);
+	}
+
+	@Override
+	public String enterOwnFaxNumber () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(5, 30, "Bitte geben Sie Ihre Faxnummer an: ", true);
+	}
+
+	@Override
+	public String enterOwnFirstName () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(2, 50, "Bitte geben Sie Ihren Vornamen ein: ", false);
+	}
+
+	@Override
+	public Gender enterOwnGender () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterGender("Bitte geben Sie die Anrede ein: (M=Herr, F=Frau, C=Firma): ");
+	}
+
+	@Override
+	public String enterOwnPhoneNumber () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(5, 30, "Bitte geben Sie Ihre Telefonnummer an: ", true);
+	}
+
+	@Override
+	public String enterOwnStreet () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterString(5, 50, "Bitte geben Sie Ihre Strasse und Hausnummer ein: ", false);
+	}
+
+	@Override
+	public int enterOwnZipCode () {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Get and cast client instance
+		AddressbookClient client = (AddressbookClient) this.getClient();
+
+		return client.enterInt(0, 99_999, "Bitte geben Sie Ihre Postleitzahl ein: ");
+	}
+
+	@Override
+	public final int getColumnCount () {
+		assert (this.columnNames instanceof List) : "this.columnNames is not initialized"; //NOI18N
+
+		return this.columnNames.size();
+	}
+
+	@Override
+	public String getColumnName (final int columnIndex) {
+		assert (this.columnNames instanceof List) : "this.columnNames is not initialized"; //NOI18N
+
+		// Get column name at index
+		return this.columnNames.get(columnIndex);
+	}
+
+	@Override
+	public String getTranslatedColumnName (final int columnIndex) {
+		assert (this.translatedColumnNames instanceof List) : "this.translatedColumnNames is not initialized"; //NOI18N
+
+		// Get column name at index
+		return this.translatedColumnNames.get(columnIndex);
+	}
+
+	@Override
+	public Object getValueFromRowColumn (final int rowIndex, final int columnIndex) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
+		// Trace message
+		this.getLogger().logTrace(MessageFormat.format("rowIndex={0},columnIndex={1} CALLED!", rowIndex, columnIndex)); //NOI18N
+
+		// Then get specific row from database which is a Contact instance
+		Storable storable = this.getFrontend().getStorableAtRow(rowIndex);
+
+		// Debug message
+		this.getLogger().logDebug(MessageFormat.format("storable={0}", storable)); //NOI18N
+
+		// It may return null
+		if (null == storable) {
+			// Nothing found
+			this.getLogger().logWarning("contact is null - returning null ..."); //NOI18N
+			return null;
+		}
+
+		// Convert column index -> name
+		String columnName = this.getColumnName(columnIndex);
+
+		// Debug message
+		this.getLogger().logDebug(MessageFormat.format("columnName={0}", columnName)); //NOI18N
+
+		// Now get that column
+		Object value = null;
+		try {
+			value = storable.getValueFromColumn(columnName);
+		} catch (final IllegalArgumentException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
+			this.abortProgramWithException(ex);
+		}
+
+		// Trace message
+		this.getLogger().logTrace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
+
+		// Return it
+		return value;
+	}
+
+	@Override
+	public boolean isOwnContactAdded () throws IOException {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Init variable
+		boolean isAdded = false;
+
+		try {
+			// Deligate this call to frontend
+			isAdded = ((AddressbookContactFrontend) this.getFrontend()).isOwnContactFound();
+		} catch (final SQLException | IOException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
+			// Something bad happened
+			this.abortProgramWithException(ex);
+		}
+
+		// Trace message
+		this.getLogger().logTrace(MessageFormat.format("isAdded={0} : EXIT!", isAdded)); //NOI18N
+
+		// Return result
+		return isAdded;
+	}
+
+	@Override
+	public void registerContact (final Contact contact) {
+		// Trace message
+		this.getLogger().logTrace(MessageFormat.format("contact={0} CALLED!", contact)); //NOI18N
+
+		// Sanity check
+		if (null == contact) {
+			// Abort here
+			throw new NullPointerException("contact is null"); //NOI18N
+		}
+		try {
+			// Check if contact is found
+			if (((AddressbookContactFrontend) this.getFrontend()).isContactFound(contact)) {
+				// Contact already added
+				// TODO Do something here
+			} else if ((contact.isOwnContact()) && (this.isOwnContactAdded())) {
+				// Own contact already added
+				// TODO Do something
+			}
+
+			// Add contact to internal list
+			this.addContact(contact);
+		} catch (final ContactAlreadyAddedException | SQLException | IOException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
+			// Abort here
+			this.abortProgramWithException(ex);
+		}
+
+		// Trace message
+		this.getLogger().logTrace("EXIT!"); //NOI18N
+	}
+
+	/**
+	 * Logs given exception and exits program
+	 *
+	 * @param throwable Throwable
+	 */
+	private void abortProgramWithException (Throwable throwable) {
+		// Log exception
+		this.logException(throwable);
+
+		// Abort here
+		System.exit(1);
+	}
+
+	/**
+	 * Fills the column names array with strings from bundle
+	 */
+	private void fillColumnNamesFromBundle () {
+		assert (this.columnNames instanceof List) : "this.columnNames is not initialized"; //NOI18N
+		assert (this.translatedColumnNames instanceof List) : "this.translatedColumnNames is not initialized"; //NOI18N
+
+		// Debug message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// First get an iterator from key set to iterate over
+		Iterator<String> iterator = this.getBundle().keySet().iterator();
+
+		// Then iterate over all
+		while (iterator.hasNext()) {
+			// Get next element
+			String key = iterator.next().toLowerCase();
+
+			// Does the key start with AddressbookContactFacade.columnName ?
+			if (key.startsWith("ContactManager.columnName")) { //NOI18N
+				// This is the wanted entry.
+				this.getLogger().logDebug(MessageFormat.format("key={0}", key)); //NOI18N
+
+				// Convert string to array based on delimiter '.'
+				String[] tokens = this.getArrayFromString(key, "."); //NOI18N
+
+				// Token array must contain 4 elements (AddressbookContactFacade.columnName.foo.text)
+				assert (tokens.length == 4) : MessageFormat.format("Array tokens contains not 4 elements: {0}", Arrays.toString(tokens)); //NOI18N
+
+				// Get pre-last element
+				String columnName = tokens[tokens.length - 2];
+
+				// Debug message
+				this.getLogger().logDebug(MessageFormat.format("columnName={0} - adding ...", columnName)); //NOI18N
+
+				// So add it
+				this.columnNames.add(columnName);
+				this.translatedColumnNames.add(this.getBundle().getString(key));
+			}
+		}
+
+		// Debug message
+		this.getLogger().logTrace(MessageFormat.format("getColumnCount()={0}: EXIT!", this.getColumnCount())); //NOI18N
+	}
+
+	/**
+	 * Getter for logger instance
+	 *
+	 * @return Logger instance
+	 */
+	private LoggerBeanLocal getLogger () {
+		return this.logger;
+	}
+
+	/**
+	 * "Getter" for own contact instance or null if not found
+	 * <p>
+	 * @return Contact instance or null
+	 * @throws java.sql.SQLException If an SQL error occurs
+	 * @throws java.io.IOException If an IO error occurs
+	 * @throws java.lang.NoSuchMethodException If a method cannot be found
+	 * @throws java.lang.IllegalAccessException If a method is not accessible
+	 * @throws java.lang.reflect.InvocationTargetException Any other problems?
+	 */
+	private Contact getOwnContact () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
+		// Trace message
+		this.getLogger().logTrace("CALLED!"); //NOI18N
+
+		// Deligate this call to database frontend
+		Contact contact = ((AddressbookContactFrontend) this.getFrontend()).getOwnContact();
+
+		// Trace message
+		this.getLogger().logTrace(MessageFormat.format("contact={0} - EXIT!", contact)); //NOI18N
+
+		// Return instance or null
+		return contact;
+	}
+
+	/**
+	 * Logs given exception
+	 * <p>
+	 * @param exception Throwable
+	 */
+	protected void logException (final Throwable exception) {
+		this.getLogger().logException(exception);
+	}
+}
diff --git a/src/org/mxchange/addressbook/facade/contact/ContactFacade.java b/src/org/mxchange/addressbook/facade/contact/ContactFacade.java
new file mode 100644
index 0000000..9af1c73
--- /dev/null
+++ b/src/org/mxchange/addressbook/facade/contact/ContactFacade.java
@@ -0,0 +1,253 @@
+/*
+ * 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.facade.contact;
+
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.sql.SQLException;
+import org.mxchange.addressbook.exceptions.ContactAlreadyAddedException;
+import org.mxchange.jcontacts.contact.Contact;
+import org.mxchange.jcontacts.contact.gender.Gender;
+import org.mxchange.jcore.manager.Manageable;
+
+/**
+ * An interface for addressbook contact manager
+ * <p>
+ * @author Roland Haeder
+ */
+public interface ContactFacade extends Manageable {
+
+	/**
+	 * Adds given Contact instance to list
+	 * <p>
+	 * @param contact Contact instance to add
+	 * @throws org.mxchange.addressbook.exceptions.ContactAlreadyAddedException If the contact is already added
+	 */
+	public void addContact (final Contact contact) throws ContactAlreadyAddedException;
+
+	/**
+	 * Let the user add a new other address
+	 */
+	public void doAddOtherAddress ();
+
+	/**
+	 * The user can change address data, like street, ZIP code, city and country
+	 * of given Contact instance.
+	 * <p>
+	 * @param contact Instance to change data
+	 */
+	public void doChangeAddressData (final Contact contact);
+
+	/**
+	 * The user can change name data, like gender, surname, family name and
+	 * company name (if business contact).
+	 * <p>
+	 * @param contact Instance to change data
+	 */
+	public void doChangeNameData (final Contact contact);
+
+	/**
+	 * Let the user change other address
+	 */
+	public void doChangeOtherAddress ();
+
+	/**
+	 * The user can change other data, like phone numbers or comments.
+	 * <p>
+	 * @param contact Instance to change data
+	 */
+	public void doChangeOtherData (final Contact contact);
+
+	/**
+	 * Let the user change own data
+	 * <p>
+	 * @throws java.sql.SQLException If an SQL error occurs
+	 * @throws java.io.IOException If an IO error occurs
+	 * @throws java.lang.NoSuchMethodException If a method cannot be found
+	 * @throws java.lang.IllegalAccessException If a method is not accessible
+	 * @throws java.lang.reflect.InvocationTargetException Any other problems?
+	 */
+	public void doChangeOwnData () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException;
+
+	/**
+	 * Let the user delete other address
+	 */
+	public void doDeleteOtherAddress ();
+
+	/**
+	 * Asks user for own data
+	 * <p>
+	 * @throws org.mxchange.addressbook.exceptions.ContactAlreadyAddedException
+	 * If own contact is already added
+	 * @throws java.io.IOException If an IO error was found
+	 */
+	public void doEnterOwnData () throws ContactAlreadyAddedException, IOException;
+
+	/**
+	 * List all contacts
+	 */
+	public void doListContacts ();
+
+	/**
+	 * Searches address book for a contact
+	 */
+	public void doSearchContacts ();
+
+	/**
+	 * Allows the user to enter own cellphone number.
+	 * <p>
+	 * @return Cellphone number
+	 */
+	public String enterOwnCellNumber ();
+
+	/**
+	 * Allows the user to enter own city name.
+	 * <p>
+	 * @return City name
+	 */
+	public String enterOwnCity ();
+
+	/**
+	 * Allows the user to enter comment for own entry.
+	 * <p>
+	 * @return Comment
+	 */
+	public String enterOwnComment ();
+
+	/**
+	 * Allows the user to enter own company name.
+	 * <p>
+	 * @return Company name
+	 */
+	public String enterOwnCompanyName ();
+
+	/**
+	 * Allows the user to enter own country code.
+	 * <p>
+	 * @return Country code
+	 */
+	public String enterOwnCountryCode ();
+
+	/**
+	 * Allows the user to enter own email address.
+	 * <p>
+	 * @return Email address
+	 */
+	public String enterOwnEmailAddress ();
+
+	/**
+	 * Allows the user to enter own family name.
+	 * <p>
+	 * @return Family name
+	 */
+	public String enterOwnFamilyName ();
+
+	/**
+	 * Allows the user to enter own fax number.
+	 * <p>
+	 * @return Fax number
+	 */
+	public String enterOwnFaxNumber ();
+
+	/**
+	 * Allows the user to enter own surname.
+	 * <p>
+	 * @return Surname
+	 */
+	public String enterOwnFirstName ();
+
+	/**
+	 * Allows the user to enter own gender.
+	 * <p>
+	 * @return Gender
+	 */
+	public Gender enterOwnGender ();
+
+	/**
+	 * Allows the user to enter own phone number.
+	 * <p>
+	 * @return Phone number
+	 */
+	public String enterOwnPhoneNumber ();
+
+	/**
+	 * Allows the user to enter own street and house number.
+	 * <p>
+	 * @return Street and house number
+	 */
+	public String enterOwnStreet ();
+
+	/**
+	 * Allows the user to enter own ZIP code.
+	 * <p>
+	 * @return ZIP code
+	 */
+	public int enterOwnZipCode ();
+
+	/**
+	 * Getter for column count
+	 * <p>
+	 * @return Column count TODO: This is needed for TableModel in Swing
+	 */
+	public int getColumnCount ();
+
+	/**
+	 * Getter for column name at given index.
+	 * <p>
+	 * @param columnIndex Column index
+	 * @return Database column name TODO: This is needed for TableModel in Swing
+	 */
+	public String getColumnName (final int columnIndex);
+
+	/**
+	 * Getter for translated column name at given index.
+	 * <p>
+	 * @param columnIndex Column index
+	 * @return Human-readable column name TODO: This is needed for TableModel in
+	 * Swing
+	 */
+	public String getTranslatedColumnName (final int columnIndex);
+
+	/**
+	 * Somewhat "getter" for value from given row and column index
+	 * <p>
+	 * @param rowIndex Row index
+	 * @param columnIndex Column index
+	 * @return Value from given row/column
+	 * @throws java.lang.NoSuchMethodException If the method was not found
+	 * @throws java.lang.IllegalAccessException If the accessed method was not public
+	 * @throws java.lang.reflect.InvocationTargetException Something else
+	 * happened? TODO: This is needed for TableModel in Swing
+	 */
+	public Object getValueFromRowColumn (final int rowIndex, final int columnIndex) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException;
+
+	/**
+	 * Checks whether own contact is already added by checking all entries for
+	 * isOwnContact flag
+	 * <p>
+	 * @return Whether own contact is already added
+	 * @throws java.io.IOException If an IO error occurs
+	 */
+	public boolean isOwnContactAdded () throws IOException;
+
+	/**
+	 * Adds given contact to address book
+	 * <p>
+	 * @param contact Contact being added TODO Add check for book size
+	 */
+	public void registerContact (final Contact contact);
+}
diff --git a/src/org/mxchange/addressbook/manager/contact/AddressbookContactManager.java b/src/org/mxchange/addressbook/manager/contact/AddressbookContactManager.java
deleted file mode 100644
index 7670cec..0000000
--- a/src/org/mxchange/addressbook/manager/contact/AddressbookContactManager.java
+++ /dev/null
@@ -1,670 +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.manager.contact;
-
-import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.sql.SQLException;
-import java.text.MessageFormat;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Iterator;
-import java.util.List;
-import org.mxchange.addressbook.client.AddressbookClient;
-import org.mxchange.addressbook.exceptions.ContactAlreadyAddedException;
-import org.mxchange.jcontacts.contact.Contact;
-import org.mxchange.jcontacts.contact.gender.Gender;
-import org.mxchange.jcore.client.Client;
-import org.mxchange.jcore.exceptions.UnhandledUserChoiceException;
-import org.mxchange.jcore.manager.BaseManager;
-import org.mxchange.jcoreeelogger.beans.local.logger.Log;
-import org.mxchange.jcoreeelogger.beans.local.logger.LoggerBeanLocal;
-
-/**
- * A manager for contacts.
- * <p>
- * @author Roland Haeder
- * @version 0.0
- */
-public class AddressbookContactManager extends BaseManager implements ManageableContactAddressbook {
-
-	/**
-	 * Column name list
-	 */
-	private final List<String> columnNames;
-
-	/**
-	 * Logger instance
-	 */
-	@Log
-	private LoggerBeanLocal logger;
-
-	/**
-	 * Translated column name list
-	 */
-	private final List<String> translatedColumnNames;
-
-	/**
-	 * Constructor which accepts maxContacts for maximum (initial) contacts and
-	 * a client instance.
-	 * <p>
-	 * @param client Client instance to use
-	 * @throws java.sql.SQLException If an SQL error occurs
-	 */
-	public AddressbookContactManager (final Client client) throws SQLException {
-		// Trace message
-		this.getLogger().logTrace(MessageFormat.format("client={1} - CALLED!", client)); //NOI18N
-
-		// Make sure all parameters are set correctly
-		if (null == client) {
-			// Abort here
-			throw new NullPointerException("client is null"); //NOI18N
-		}
-
-		// Set client instance
-		this.setClient(client);
-
-		// Init database connection
-		DatabaseFrontend frontend = new AddressbookContactDatabaseFrontend(this);
-		this.setFrontend(frontend);
-
-		// Initialize list
-		this.columnNames = new ArrayList<>(15);
-		this.translatedColumnNames = new ArrayList<>(15);
-
-		// And fill it
-		this.fillColumnNamesFromBundle();
-
-		// Debug message
-		//* NOISY-DEBUG: */ this.getLogger().logDebug("client=" + client);
-	}
-
-	@Override
-	public void addContact (final Contact contact) throws ContactAlreadyAddedException {
-		// Trace message
-		this.getLogger().logTrace(MessageFormat.format("contact={0} - CALLED!", contact)); //NOI18N
-
-		// Contact instance must not be null
-		if (null == contact) {
-			// Abort here
-			throw new NullPointerException("contact is null"); //NOI18N
-		}
-
-		// Add it
-		((AddressbookContactFrontend) this.getFrontend()).addContact(contact);
-
-		// Trace message
-		this.getLogger().logTrace("EXIT!"); //NOI18N
-	}
-
-	@Override
-	public void doAddOtherAddress () {
-		throw new UnsupportedOperationException("Not supported yet."); //NOI18N
-	}
-
-	@Override
-	public void doChangeAddressData (final Contact contact) {
-		// Trace message
-		this.getLogger().logTrace(MessageFormat.format("contact={0} CALLED!", contact)); //NOI18N
-
-		// Contact must not be null
-		if (null == contact) {
-			// Abort here
-			throw new NullPointerException("contact is null"); //NOI18N
-		}
-		if (!(this.getClient() instanceof AddressbookClient)) {
-			// Cannot cast
-			throw new IllegalArgumentException(MessageFormat.format("this.getClient()={0} does not implement AddressbookClient", this.getClient())); //NOI18N
-		}
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		// First display it again
-		client.displayAddressBox(contact);
-
-		// Is it own data?
-		if (contact.isOwnContact()) {
-			// Deligate to client
-			client.doChangeOwnAddressData(contact);
-		} else {
-			// Other contact's address data to change
-			throw new UnsupportedOperationException("Changing contact entries not finished."); //NOI18N
-		}
-
-		// Trace message
-		this.getLogger().logTrace("EXIT!"); //NOI18N
-	}
-
-	@Override
-	public void doChangeNameData (final Contact contact) {
-		// Trace message
-		this.getLogger().logTrace(MessageFormat.format("contact={0} CALLED!", contact)); //NOI18N
-
-		// Contact must not be null
-		if (null == contact) {
-			// Abort here
-			throw new NullPointerException("contact is null"); //NOI18N
-		}
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		// First display them again
-		client.displayNameBox(contact);
-
-		// Is this own data?
-		if (contact.isOwnContact()) {
-			// Re-ask own data
-			client.doChangeOwnNameData(contact);
-		} else {
-			// Then re-ask them ...
-			throw new UnsupportedOperationException("Changing contact entries not finished."); //NOI18N
-		}
-
-		// Trace message
-		this.getLogger().logTrace("EXIT!"); //NOI18N
-	}
-
-	@Override
-	public void doChangeOtherAddress () {
-		throw new UnsupportedOperationException("Not supported yet."); //NOI18N
-	}
-
-	@Override
-	public void doChangeOtherData (final Contact contact) {
-		// Trace message
-		this.getLogger().logTrace(MessageFormat.format("contact={0} CALLED!", contact)); //NOI18N
-
-		// Contact must not be null
-		if (null == contact) {
-			// Abort here
-			throw new NullPointerException("contact is null"); //NOI18N
-		}
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		// First display them again
-		client.displayOtherDataBox(contact);
-
-		// Is this own data?
-		if (contact.isOwnContact()) {
-			// Re-ask own data
-			client.doChangeOwnOtherData(contact);
-		} else {
-			// Then re-ask them ...
-			throw new UnsupportedOperationException("Changing contact entries not finished."); //NOI18N
-		}
-
-		// Trace message
-		this.getLogger().logTrace("EXIT!"); //NOI18N
-	}
-
-	@Override
-	public void doChangeOwnData () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		/*
-		 * First check if the user has registered own contact, before that
-		 * nothing can be changed.
-		 */
-		if (!this.isOwnContactAdded()) {
-			// Not added
-			this.getClient().outputMessage("Sie haben noch nicht Ihre Daten eingegeben."); //NOI18N
-
-			// Skip any below code
-			return;
-		}
-
-		// Instance
-		Contact contact = this.getOwnContact();
-
-		// It must be found
-		assert (contact instanceof Contact) : ": contact is not implementing Contact: " + contact;
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		// Display contact
-		client.show(contact);
-
-		try {
-			// Ask user what to change
-			client.userChooseChangeContactData(contact);
-		} catch (final UnhandledUserChoiceException ex) {
-			this.getLogger().logException(ex);
-		}
-
-		// Trace message
-		this.getLogger().logTrace("EXIT!"); //NOI18N
-	}
-
-	@Override
-	public void doDeleteOtherAddress () {
-		throw new UnsupportedOperationException("Not supported yet."); //NOI18N
-	}
-
-	@Override
-	public void doEnterOwnData () throws ContactAlreadyAddedException, IOException {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Is own contact already added?
-		if (this.isOwnContactAdded()) {
-			// Don't continue here
-			throw new ContactAlreadyAddedException();
-		}
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		// Deligate this call to the client
-		Contact contact = client.doEnterOwnData();
-
-		// Is it set?
-		if (contact instanceof Contact) {
-			// Add it to contact "book"
-			this.registerContact(contact);
-		}
-
-		// Trace message
-		this.getLogger().logTrace("EXIT!"); //NOI18N
-	}
-
-	@Override
-	public void doListContacts () {
-		throw new UnsupportedOperationException("Not supported yet."); //NOI18N
-	}
-
-	@Override
-	public void doSearchContacts () {
-		throw new UnsupportedOperationException("Not supported yet."); //NOI18N
-	}
-
-	@Override
-	public void doShutdown () throws SQLException, IOException {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Shut down the database layer
-		((AddressbookContactFrontend) this.getFrontend()).doShutdown();
-
-		// Trace message
-		this.getLogger().logTrace("EXIT!"); //NOI18N
-	}
-
-	@Override
-	public String enterOwnCellNumber () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(5, 30, "Bitte geben Sie Ihre Handynummer an: ", true);
-	}
-
-	@Override
-	public String enterOwnCity () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(3, 50, "Bitte geben Sie Ihre Wohnort ein: ", false);
-	}
-
-	@Override
-	public String enterOwnComment () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(0, 100, "Kommentar zu Ihrem Eintrag: ", true);
-	}
-
-	@Override
-	public String enterOwnCompanyName () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(5, 50, "Bitte geben Sie Ihre Firmenbezeichnung ein: ", true);
-	}
-
-	@Override
-	public String enterOwnCountryCode () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(2, 2, "Bitte geben Sie den zweistelligen Ländercode von Ihrem Land ein: ", false).toUpperCase();
-	}
-
-	@Override
-	public String enterOwnEmailAddress () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(10, 50, "Bitte geben Sie Ihre Email-Adresse ein: ", true);
-	}
-
-	@Override
-	public String enterOwnFamilyName () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(2, 50, "Bitte geben Sie Ihren Nachnamen ein: ", false);
-	}
-
-	@Override
-	public String enterOwnFaxNumber () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(5, 30, "Bitte geben Sie Ihre Faxnummer an: ", true);
-	}
-
-	@Override
-	public String enterOwnFirstName () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(2, 50, "Bitte geben Sie Ihren Vornamen ein: ", false);
-	}
-
-	@Override
-	public Gender enterOwnGender () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterGender("Bitte geben Sie die Anrede ein: (M=Herr, F=Frau, C=Firma): ");
-	}
-
-	@Override
-	public String enterOwnPhoneNumber () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(5, 30, "Bitte geben Sie Ihre Telefonnummer an: ", true);
-	}
-
-	@Override
-	public String enterOwnStreet () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterString(5, 50, "Bitte geben Sie Ihre Strasse und Hausnummer ein: ", false);
-	}
-
-	@Override
-	public int enterOwnZipCode () {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Get and cast client instance
-		AddressbookClient client = (AddressbookClient) this.getClient();
-
-		return client.enterInt(0, 99_999, "Bitte geben Sie Ihre Postleitzahl ein: ");
-	}
-
-	@Override
-	public final int getColumnCount () {
-		assert (this.columnNames instanceof List) : "this.columnNames is not initialized"; //NOI18N
-
-		return this.columnNames.size();
-	}
-
-	@Override
-	public String getColumnName (final int columnIndex) {
-		assert (this.columnNames instanceof List) : "this.columnNames is not initialized"; //NOI18N
-
-		// Get column name at index
-		return this.columnNames.get(columnIndex);
-	}
-
-	@Override
-	public String getTranslatedColumnName (final int columnIndex) {
-		assert (this.translatedColumnNames instanceof List) : "this.translatedColumnNames is not initialized"; //NOI18N
-
-		// Get column name at index
-		return this.translatedColumnNames.get(columnIndex);
-	}
-
-	@Override
-	public Object getValueFromRowColumn (final int rowIndex, final int columnIndex) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
-		// Trace message
-		this.getLogger().logTrace(MessageFormat.format("rowIndex={0},columnIndex={1} CALLED!", rowIndex, columnIndex)); //NOI18N
-
-		// Then get specific row from database which is a Contact instance
-		Storable storable = this.getFrontend().getStorableAtRow(rowIndex);
-
-		// Debug message
-		this.getLogger().logDebug(MessageFormat.format("storable={0}", storable)); //NOI18N
-
-		// It may return null
-		if (null == storable) {
-			// Nothing found
-			this.getLogger().logWarning("contact is null - returning null ..."); //NOI18N
-			return null;
-		}
-
-		// Convert column index -> name
-		String columnName = this.getColumnName(columnIndex);
-
-		// Debug message
-		this.getLogger().logDebug(MessageFormat.format("columnName={0}", columnName)); //NOI18N
-
-		// Now get that column
-		Object value = null;
-		try {
-			value = storable.getValueFromColumn(columnName);
-		} catch (final IllegalArgumentException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
-			this.abortProgramWithException(ex);
-		}
-
-		// Trace message
-		this.getLogger().logTrace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
-
-		// Return it
-		return value;
-	}
-
-	@Override
-	public boolean isOwnContactAdded () throws IOException {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Init variable
-		boolean isAdded = false;
-
-		try {
-			// Deligate this call to frontend
-			isAdded = ((AddressbookContactFrontend) this.getFrontend()).isOwnContactFound();
-		} catch (final SQLException | IOException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
-			// Something bad happened
-			this.abortProgramWithException(ex);
-		}
-
-		// Trace message
-		this.getLogger().logTrace(MessageFormat.format("isAdded={0} : EXIT!", isAdded)); //NOI18N
-
-		// Return result
-		return isAdded;
-	}
-
-	@Override
-	public void registerContact (final Contact contact) {
-		// Trace message
-		this.getLogger().logTrace(MessageFormat.format("contact={0} CALLED!", contact)); //NOI18N
-
-		// Sanity check
-		if (null == contact) {
-			// Abort here
-			throw new NullPointerException("contact is null"); //NOI18N
-		}
-		try {
-			// Check if contact is found
-			if (((AddressbookContactFrontend) this.getFrontend()).isContactFound(contact)) {
-				// Contact already added
-				// TODO Do something here
-			} else if ((contact.isOwnContact()) && (this.isOwnContactAdded())) {
-				// Own contact already added
-				// TODO Do something
-			}
-
-			// Add contact to internal list
-			this.addContact(contact);
-		} catch (final ContactAlreadyAddedException | SQLException | IOException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
-			// Abort here
-			this.abortProgramWithException(ex);
-		}
-
-		// Trace message
-		this.getLogger().logTrace("EXIT!"); //NOI18N
-	}
-
-	/**
-	 * Logs given exception and exits program
-	 *
-	 * @param throwable Throwable
-	 */
-	private void abortProgramWithException (Throwable throwable) {
-		// Log exception
-		this.logException(throwable);
-
-		// Abort here
-		System.exit(1);
-	}
-
-	/**
-	 * Fills the column names array with strings from bundle
-	 */
-	private void fillColumnNamesFromBundle () {
-		assert (this.columnNames instanceof List) : "this.columnNames is not initialized"; //NOI18N
-		assert (this.translatedColumnNames instanceof List) : "this.translatedColumnNames is not initialized"; //NOI18N
-
-		// Debug message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// First get an iterator from key set to iterate over
-		Iterator<String> iterator = this.getBundle().keySet().iterator();
-
-		// Then iterate over all
-		while (iterator.hasNext()) {
-			// Get next element
-			String key = iterator.next().toLowerCase();
-
-			// Does the key start with AddressbookContactManager.columnName ?
-			if (key.startsWith("ContactManager.columnName")) { //NOI18N
-				// This is the wanted entry.
-				this.getLogger().logDebug(MessageFormat.format("key={0}", key)); //NOI18N
-
-				// Convert string to array based on delimiter '.'
-				String[] tokens = this.getArrayFromString(key, "."); //NOI18N
-
-				// Token array must contain 4 elements (AddressbookContactManager.columnName.foo.text)
-				assert (tokens.length == 4) : MessageFormat.format("Array tokens contains not 4 elements: {0}", Arrays.toString(tokens)); //NOI18N
-
-				// Get pre-last element
-				String columnName = tokens[tokens.length - 2];
-
-				// Debug message
-				this.getLogger().logDebug(MessageFormat.format("columnName={0} - adding ...", columnName)); //NOI18N
-
-				// So add it
-				this.columnNames.add(columnName);
-				this.translatedColumnNames.add(this.getBundle().getString(key));
-			}
-		}
-
-		// Debug message
-		this.getLogger().logTrace(MessageFormat.format("getColumnCount()={0}: EXIT!", this.getColumnCount())); //NOI18N
-	}
-
-	/**
-	 * Getter for logger instance
-	 *
-	 * @return Logger instance
-	 */
-	private LoggerBeanLocal getLogger () {
-		return this.logger;
-	}
-
-	/**
-	 * "Getter" for own contact instance or null if not found
-	 * <p>
-	 * @return Contact instance or null
-	 * @throws java.sql.SQLException If an SQL error occurs
-	 * @throws java.io.IOException If an IO error occurs
-	 * @throws java.lang.NoSuchMethodException If a method cannot be found
-	 * @throws java.lang.IllegalAccessException If a method is not accessible
-	 * @throws java.lang.reflect.InvocationTargetException Any other problems?
-	 */
-	private Contact getOwnContact () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
-		// Trace message
-		this.getLogger().logTrace("CALLED!"); //NOI18N
-
-		// Deligate this call to database frontend
-		Contact contact = ((AddressbookContactFrontend) this.getFrontend()).getOwnContact();
-
-		// Trace message
-		this.getLogger().logTrace(MessageFormat.format("contact={0} - EXIT!", contact)); //NOI18N
-
-		// Return instance or null
-		return contact;
-	}
-
-	/**
-	 * Logs given exception
-	 * <p>
-	 * @param exception Throwable
-	 */
-	protected void logException (final Throwable exception) {
-		this.getLogger().logException(exception);
-	}
-}
diff --git a/src/org/mxchange/addressbook/manager/contact/ManageableContactAddressbook.java b/src/org/mxchange/addressbook/manager/contact/ManageableContactAddressbook.java
deleted file mode 100644
index ac9b1eb..0000000
--- a/src/org/mxchange/addressbook/manager/contact/ManageableContactAddressbook.java
+++ /dev/null
@@ -1,253 +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.manager.contact;
-
-import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.sql.SQLException;
-import org.mxchange.addressbook.exceptions.ContactAlreadyAddedException;
-import org.mxchange.jcontacts.contact.Contact;
-import org.mxchange.jcontacts.contact.gender.Gender;
-import org.mxchange.jcore.manager.Manageable;
-
-/**
- * An interface for addressbook contact manager
- * <p>
- * @author Roland Haeder
- */
-public interface ManageableContactAddressbook extends Manageable {
-
-	/**
-	 * Adds given Contact instance to list
-	 * <p>
-	 * @param contact Contact instance to add
-	 * @throws org.mxchange.addressbook.exceptions.ContactAlreadyAddedException If the contact is already added
-	 */
-	public void addContact (final Contact contact) throws ContactAlreadyAddedException;
-
-	/**
-	 * Let the user add a new other address
-	 */
-	public void doAddOtherAddress ();
-
-	/**
-	 * The user can change address data, like street, ZIP code, city and country
-	 * of given Contact instance.
-	 * <p>
-	 * @param contact Instance to change data
-	 */
-	public void doChangeAddressData (final Contact contact);
-
-	/**
-	 * The user can change name data, like gender, surname, family name and
-	 * company name (if business contact).
-	 * <p>
-	 * @param contact Instance to change data
-	 */
-	public void doChangeNameData (final Contact contact);
-
-	/**
-	 * Let the user change other address
-	 */
-	public void doChangeOtherAddress ();
-
-	/**
-	 * The user can change other data, like phone numbers or comments.
-	 * <p>
-	 * @param contact Instance to change data
-	 */
-	public void doChangeOtherData (final Contact contact);
-
-	/**
-	 * Let the user change own data
-	 * <p>
-	 * @throws java.sql.SQLException If an SQL error occurs
-	 * @throws java.io.IOException If an IO error occurs
-	 * @throws java.lang.NoSuchMethodException If a method cannot be found
-	 * @throws java.lang.IllegalAccessException If a method is not accessible
-	 * @throws java.lang.reflect.InvocationTargetException Any other problems?
-	 */
-	public void doChangeOwnData () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException;
-
-	/**
-	 * Let the user delete other address
-	 */
-	public void doDeleteOtherAddress ();
-
-	/**
-	 * Asks user for own data
-	 * <p>
-	 * @throws org.mxchange.addressbook.exceptions.ContactAlreadyAddedException
-	 * If own contact is already added
-	 * @throws java.io.IOException If an IO error was found
-	 */
-	public void doEnterOwnData () throws ContactAlreadyAddedException, IOException;
-
-	/**
-	 * List all contacts
-	 */
-	public void doListContacts ();
-
-	/**
-	 * Searches address book for a contact
-	 */
-	public void doSearchContacts ();
-
-	/**
-	 * Allows the user to enter own cellphone number.
-	 * <p>
-	 * @return Cellphone number
-	 */
-	public String enterOwnCellNumber ();
-
-	/**
-	 * Allows the user to enter own city name.
-	 * <p>
-	 * @return City name
-	 */
-	public String enterOwnCity ();
-
-	/**
-	 * Allows the user to enter comment for own entry.
-	 * <p>
-	 * @return Comment
-	 */
-	public String enterOwnComment ();
-
-	/**
-	 * Allows the user to enter own company name.
-	 * <p>
-	 * @return Company name
-	 */
-	public String enterOwnCompanyName ();
-
-	/**
-	 * Allows the user to enter own country code.
-	 * <p>
-	 * @return Country code
-	 */
-	public String enterOwnCountryCode ();
-
-	/**
-	 * Allows the user to enter own email address.
-	 * <p>
-	 * @return Email address
-	 */
-	public String enterOwnEmailAddress ();
-
-	/**
-	 * Allows the user to enter own family name.
-	 * <p>
-	 * @return Family name
-	 */
-	public String enterOwnFamilyName ();
-
-	/**
-	 * Allows the user to enter own fax number.
-	 * <p>
-	 * @return Fax number
-	 */
-	public String enterOwnFaxNumber ();
-
-	/**
-	 * Allows the user to enter own surname.
-	 * <p>
-	 * @return Surname
-	 */
-	public String enterOwnFirstName ();
-
-	/**
-	 * Allows the user to enter own gender.
-	 * <p>
-	 * @return Gender
-	 */
-	public Gender enterOwnGender ();
-
-	/**
-	 * Allows the user to enter own phone number.
-	 * <p>
-	 * @return Phone number
-	 */
-	public String enterOwnPhoneNumber ();
-
-	/**
-	 * Allows the user to enter own street and house number.
-	 * <p>
-	 * @return Street and house number
-	 */
-	public String enterOwnStreet ();
-
-	/**
-	 * Allows the user to enter own ZIP code.
-	 * <p>
-	 * @return ZIP code
-	 */
-	public int enterOwnZipCode ();
-
-	/**
-	 * Getter for column count
-	 * <p>
-	 * @return Column count TODO: This is needed for TableModel in Swing
-	 */
-	public int getColumnCount ();
-
-	/**
-	 * Getter for column name at given index.
-	 * <p>
-	 * @param columnIndex Column index
-	 * @return Database column name TODO: This is needed for TableModel in Swing
-	 */
-	public String getColumnName (final int columnIndex);
-
-	/**
-	 * Getter for translated column name at given index.
-	 * <p>
-	 * @param columnIndex Column index
-	 * @return Human-readable column name TODO: This is needed for TableModel in
-	 * Swing
-	 */
-	public String getTranslatedColumnName (final int columnIndex);
-
-	/**
-	 * Somewhat "getter" for value from given row and column index
-	 * <p>
-	 * @param rowIndex Row index
-	 * @param columnIndex Column index
-	 * @return Value from given row/column
-	 * @throws java.lang.NoSuchMethodException If the method was not found
-	 * @throws java.lang.IllegalAccessException If the accessed method was not public
-	 * @throws java.lang.reflect.InvocationTargetException Something else
-	 * happened? TODO: This is needed for TableModel in Swing
-	 */
-	public Object getValueFromRowColumn (final int rowIndex, final int columnIndex) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException;
-
-	/**
-	 * Checks whether own contact is already added by checking all entries for
-	 * isOwnContact flag
-	 * <p>
-	 * @return Whether own contact is already added
-	 * @throws java.io.IOException If an IO error occurs
-	 */
-	public boolean isOwnContactAdded () throws IOException;
-
-	/**
-	 * Adds given contact to address book
-	 * <p>
-	 * @param contact Contact being added TODO Add check for book size
-	 */
-	public void registerContact (final Contact contact);
-}