7 files changed, 0 insertions, 589 deletions

diff --git a/src/de/gultsch/chat/utils/DNSHelper.java b/src/de/gultsch/chat/utils/DNSHelper.java
deleted file mode 100644
index f19b1b6f..00000000
--- a/src/de/gultsch/chat/utils/DNSHelper.java
+++ /dev/null
@@ -1,93 +0,0 @@
-package de.gultsch.chat.utils;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.net.DatagramPacket;
-import java.net.DatagramSocket;
-import java.net.InetAddress;
-import java.util.Random;
-
-import android.os.Bundle;
-import android.util.Log;
-
-public class DNSHelper {
-	public static Bundle getSRVRecord(String host) {
-		Bundle namePort = new Bundle();
-		try {
-			String[] hostParts = host.split("\\.");
-			byte[] transId = new byte[2];
-			Random random = new Random();
-			random.nextBytes(transId);
-			byte[] header = { 0x01, 0x20, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x01, 0x0c, 0x5f, 0x78, 0x6d, 0x70, 0x70, 0x2d, 0x63,
-					0x6c, 0x69, 0x65, 0x6e, 0x74, 0x04, 0x5f, 0x74, 0x63, 0x70 };
-			byte[] rest = { 0x00, 0x00, 0x21, 0x00, 0x01, 0x00, 0x00, 0x29,
-					0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-			ByteArrayOutputStream output = new ByteArrayOutputStream();
-			output.write(transId);
-			output.write(header);
-			for (int i = 0; i < hostParts.length; ++i) {
-				char[] tmpChars = hostParts[i].toCharArray();
-				byte[] tmp = new byte[tmpChars.length];
-				for (int j = 0; j < tmpChars.length; ++j) {
-					tmp[j] = (byte) tmpChars[j];
-				}
-				output.write(tmp.length);
-				output.write(tmp);
-			}
-			output.write(rest);
-			byte[] sendPaket = output.toByteArray();
-			byte[] addr = { 0x8, 0x8, 0x8, 0x8 };
-			int realLenght = sendPaket.length - 11;
-			DatagramPacket packet = new DatagramPacket(sendPaket,
-					sendPaket.length, InetAddress.getByAddress(addr), 53);
-			DatagramSocket datagramSocket = new DatagramSocket();
-			datagramSocket.send(packet);
-			byte[] receiveData = new byte[1024];
-
-			DatagramPacket receivePacket = new DatagramPacket(receiveData,
-					receiveData.length);
-			datagramSocket.setSoTimeout(2000);
-			datagramSocket.receive(receivePacket);
-			if (receiveData[3]!=-128) {
-				namePort.putString("error", "nosrv");
-				return namePort;
-			}
-			namePort.putInt("port",calcPort(receiveData[realLenght + 16],
-							receiveData[realLenght + 17]));
-			int i = realLenght + 18;
-			int wordLenght = 0;
-			StringBuilder builder = new StringBuilder();
-			while (receiveData[i] != 0) {
-				if (wordLenght > 0) {
-					builder.append((char) receiveData[i]);
-					--wordLenght;
-				} else {
-					wordLenght = receiveData[i];
-					builder.append(".");
-				}
-				++i;
-			}
-			builder.replace(0, 1, "");
-			namePort.putString("name",builder.toString());
-		} catch (IOException e) {
-			Log.d("xmppService","gut" + e.getMessage());
-		}
-		return namePort;
-	}
-
-	static int calcPort(byte hb, byte lb) {
-		return ((int) hb << 8) | ((int) lb & 0xFF);
-	}
-	
-	final protected static char[] hexArray = "0123456789ABCDEF".toCharArray();
-	public static String bytesToHex(byte[] bytes) {
-	    char[] hexChars = new char[bytes.length * 2];
-	    for ( int j = 0; j < bytes.length; j++ ) {
-	        int v = bytes[j] & 0xFF;
-	        hexChars[j * 2] = hexArray[v >>> 4];
-	        hexChars[j * 2 + 1] = hexArray[v & 0x0F];
-	    }
-	    return new String(hexChars);
-	}
-}
diff --git a/src/de/gultsch/chat/utils/MessageParser.java b/src/de/gultsch/chat/utils/MessageParser.java
deleted file mode 100644
index a12ef58c..00000000
--- a/src/de/gultsch/chat/utils/MessageParser.java
+++ /dev/null
@@ -1,149 +0,0 @@
-package de.gultsch.chat.utils;
-
-import java.util.List;
-
-import net.java.otr4j.session.Session;
-import net.java.otr4j.session.SessionStatus;
-import android.util.Log;
-import de.gultsch.chat.entities.Account;
-import de.gultsch.chat.entities.Conversation;
-import de.gultsch.chat.entities.Message;
-import de.gultsch.chat.services.XmppConnectionService;
-import de.gultsch.chat.xml.Element;
-import de.gultsch.chat.xmpp.MessagePacket;
-
-public class MessageParser {
-	
-	protected static final String LOGTAG = "xmppService";
-	
-	public static Message parsePlainTextChat(MessagePacket packet, Account account, XmppConnectionService service) {
-		String[] fromParts = packet.getFrom().split("/");
-		Conversation conversation = service.findOrCreateConversation(account, fromParts[0],false);
-		String body = packet.getBody();
-		return new Message(conversation, packet.getFrom(), body, Message.ENCRYPTION_NONE, Message.STATUS_RECIEVED);
-	}
-	
-	public static Message parsePgpChat(String pgpBody, MessagePacket packet, Account account, XmppConnectionService service) {
-		String[] fromParts = packet.getFrom().split("/");
-		Conversation conversation = service.findOrCreateConversation(account, fromParts[0],false);
-		return new Message(conversation, packet.getFrom(), pgpBody, Message.ENCRYPTION_PGP, Message.STATUS_RECIEVED);
-	}
-	
-	public static Message parseOtrChat(MessagePacket packet, Account account, XmppConnectionService service) {
-		String[] fromParts = packet.getFrom().split("/");
-		Conversation conversation = service.findOrCreateConversation(account, fromParts[0],false);
-		String body = packet.getBody();
-		if (!conversation.hasValidOtrSession()) {
-			conversation.startOtrSession(service.getApplicationContext(), fromParts[1]);
-		}
-		try {
-			Session otrSession = conversation.getOtrSession();
-			SessionStatus before = otrSession
-					.getSessionStatus();
-			body = otrSession.transformReceiving(body);
-			SessionStatus after = otrSession.getSessionStatus();
-			if ((before != after)
-					&& (after == SessionStatus.ENCRYPTED)) {
-				Log.d(LOGTAG, "otr session etablished");
-				List<Message> messages = conversation
-						.getMessages();
-				for (int i = 0; i < messages.size(); ++i) {
-					Message msg = messages.get(i);
-					if ((msg.getStatus() == Message.STATUS_UNSEND)
-							&& (msg.getEncryption() == Message.ENCRYPTION_OTR)) {
-						MessagePacket outPacket = service.prepareMessagePacket(
-								account, msg, otrSession);
-						msg.setStatus(Message.STATUS_SEND);
-						service.databaseBackend.updateMessage(msg);
-						account.getXmppConnection()
-								.sendMessagePacket(outPacket);
-					}
-				}
-				if (service.convChangedListener!=null) {
-					service.convChangedListener.onConversationListChanged();
-				}
-			} else if ((before != after) && (after == SessionStatus.FINISHED)) {
-				conversation.resetOtrSession();
-				Log.d(LOGTAG,"otr session stoped");
-			}
-		} catch (Exception e) {
-			Log.d(LOGTAG, "error receiving otr. resetting");
-			conversation.resetOtrSession();
-			return null;
-		}
-		if (body == null) {
-			return null;
-		}
-		return new Message(conversation, packet.getFrom(), body, Message.ENCRYPTION_OTR,Message.STATUS_RECIEVED);
-	}
-	
-	public static Message parseGroupchat(MessagePacket packet, Account account, XmppConnectionService service) {
-		int status;
-		String[] fromParts = packet.getFrom().split("/");
-		Conversation conversation = service.findOrCreateConversation(account, fromParts[0],true);
-		if ((fromParts.length == 1) || (packet.hasChild("subject"))) {
-			return null;
-		}
-		String counterPart = fromParts[1];
-		if (counterPart.equals(account.getUsername())) {
-			status = Message.STATUS_SEND;
-		} else {
-			status = Message.STATUS_RECIEVED;
-		}
-		return new Message(conversation, counterPart, packet.getBody(), Message.ENCRYPTION_NONE, status);
-	}
-
-	public static Message parseCarbonMessage(MessagePacket packet,
-			Account account, XmppConnectionService service) {
-		// TODO Auto-generated method stub
-		int status;
-		String fullJid;
-		Element forwarded;
-		if (packet.hasChild("received")) {
-			forwarded = packet.findChild("received").findChild(
-					"forwarded");
-			status = Message.STATUS_RECIEVED;
-		} else if (packet.hasChild("sent")) {
-			forwarded = packet.findChild("sent").findChild(
-					"forwarded");
-			status = Message.STATUS_SEND;
-		} else {
-			return null;
-		}
-		Element message = forwarded.findChild("message");
-		if ((message == null) || (!message.hasChild("body")))
-			return null; // either malformed or boring
-		if (status == Message.STATUS_RECIEVED) {
-			fullJid = message.getAttribute("from");
-		} else {
-			fullJid = message.getAttribute("to");
-		}
-		String[] parts = fullJid.split("/");
-		Conversation conversation = service.findOrCreateConversation(account, parts[0],false);
-		return new Message(conversation,fullJid, message.findChild("body").getContent(), Message.ENCRYPTION_NONE,status);
-	}
-
-	public static Message parseError(MessagePacket packet, Account account, XmppConnectionService service) {
-		
-			String[] fromParts = packet.getFrom().split("/");
-	Conversation conversation = service.findOrCreateConversation(account, fromParts[0],false);
-	Element error = packet.findChild("error");
-	String errorName = error.getChildren().get(0).getName();
-	String displayError;
-	if (errorName.equals("service-unavailable")) {
-		displayError = "Contact is offline and does not have offline storage";
-	} else {
-		displayError = errorName.replace("-", " ");
-	}
-	return new Message(conversation, packet.getFrom(), displayError, Message.ENCRYPTION_NONE, Message.STATUS_ERROR);
-	}
-
-	public static String getPgpBody(MessagePacket packet) {
-		for(Element child : packet.getChildren()) {
-			if (child.getName().equals("x")&&child.getAttribute("xmlns").equals("jabber:x:encrypted")) {
-				return child.getContent();
-			}
-		}
-		return null;
-	}
-}
diff --git a/src/de/gultsch/chat/utils/OnPhoneContactsLoadedListener.java b/src/de/gultsch/chat/utils/OnPhoneContactsLoadedListener.java
deleted file mode 100644
index c4df4ac3..00000000
--- a/src/de/gultsch/chat/utils/OnPhoneContactsLoadedListener.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package de.gultsch.chat.utils;
-
-import java.util.Hashtable;
-
-import android.os.Bundle;
-
-public interface OnPhoneContactsLoadedListener {
-	public void onPhoneContactsLoaded(Hashtable<String, Bundle> phoneContacts);
-}
diff --git a/src/de/gultsch/chat/utils/PhoneHelper.java b/src/de/gultsch/chat/utils/PhoneHelper.java
deleted file mode 100644
index 14773caa..00000000
--- a/src/de/gultsch/chat/utils/PhoneHelper.java
+++ /dev/null
@@ -1,87 +0,0 @@
-package de.gultsch.chat.utils;
-
-import java.util.Hashtable;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.CursorLoader;
-import android.content.Loader;
-import android.content.Loader.OnLoadCompleteListener;
-import android.database.Cursor;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.Looper;
-import android.provider.ContactsContract;
-import android.provider.ContactsContract.Profile;
-
-public class PhoneHelper {
-	
-	public static void loadPhoneContacts(Context context, final OnPhoneContactsLoadedListener listener) {
-		if (Looper.myLooper()==null) {
-			Looper.prepare();
-		}
-		final Looper mLooper = Looper.myLooper();
-		final Hashtable<String, Bundle> phoneContacts = new Hashtable<String, Bundle>();
-		
-		final String[] PROJECTION = new String[] {
-				ContactsContract.Data._ID,
-				ContactsContract.Data.DISPLAY_NAME,
-				ContactsContract.Data.PHOTO_THUMBNAIL_URI,
-				ContactsContract.Data.LOOKUP_KEY,
-				ContactsContract.CommonDataKinds.Im.DATA };
-
-		final String SELECTION = "(" + ContactsContract.Data.MIMETYPE + "=\""
-				+ ContactsContract.CommonDataKinds.Im.CONTENT_ITEM_TYPE
-				+ "\") AND (" + ContactsContract.CommonDataKinds.Im.PROTOCOL
-				+ "=\"" + ContactsContract.CommonDataKinds.Im.PROTOCOL_JABBER
-				+ "\")";
-		
-		CursorLoader mCursorLoader = new CursorLoader(context,
-				ContactsContract.Data.CONTENT_URI, PROJECTION, SELECTION, null,
-				null);
-		mCursorLoader.registerListener(0, new OnLoadCompleteListener<Cursor>() {
-
-			@Override
-			public void onLoadComplete(Loader<Cursor> arg0, Cursor cursor) {
-				while (cursor.moveToNext()) {
-					Bundle contact = new Bundle();
-					contact.putInt("phoneid", cursor.getInt(cursor
-							.getColumnIndex(ContactsContract.Data._ID)));
-					contact.putString(
-							"displayname",
-							cursor.getString(cursor
-									.getColumnIndex(ContactsContract.Data.DISPLAY_NAME)));
-					contact.putString(
-							"photouri",
-							cursor.getString(cursor
-									.getColumnIndex(ContactsContract.Data.PHOTO_THUMBNAIL_URI)));
-					contact.putString("lookup",cursor.getString(cursor
-							.getColumnIndex(ContactsContract.Data.LOOKUP_KEY)));
-					phoneContacts.put(
-							cursor.getString(cursor
-									.getColumnIndex(ContactsContract.CommonDataKinds.Im.DATA)),
-							contact);
-				}
-				if (listener!=null) {
-					listener.onPhoneContactsLoaded(phoneContacts);
-				}
-				mLooper.quit();
-			}
-		});
-		mCursorLoader.startLoading();
-	}
-
-	public static Uri getSefliUri(Activity activity) {
-		String[] mProjection = new String[] { Profile._ID,
-				Profile.PHOTO_THUMBNAIL_URI };
-		Cursor mProfileCursor = activity.getContentResolver().query(
-				Profile.CONTENT_URI, mProjection, null, null, null);
-
-		if (mProfileCursor.getCount()==0) {
-			return null;
-		} else {
-			mProfileCursor.moveToFirst();
-			return Uri.parse(mProfileCursor.getString(1));
-		}
-	}
-}
diff --git a/src/de/gultsch/chat/utils/SASL.java b/src/de/gultsch/chat/utils/SASL.java
deleted file mode 100644
index 266f0cb2..00000000
--- a/src/de/gultsch/chat/utils/SASL.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package de.gultsch.chat.utils;
-
-import android.util.Base64;
-
-public class SASL {
-	public static String plain(String username, String password) {
-		byte[] userBytes = username.getBytes();
-		int userLenght = userBytes.length;
-		byte[] passwordBytes = password.getBytes();
-		byte[] saslBytes = new byte[userBytes.length+passwordBytes.length+2];
-		saslBytes[0] = 0x0;
-		for(int i = 1; i < saslBytes.length; ++i) {
-			if (i<=userLenght) {
-				saslBytes[i] = userBytes[i-1];
-			} else if (i==userLenght+1) {
-				saslBytes[i] = 0x0;
-			} else {
-				saslBytes[i] = passwordBytes[i-(userLenght+2)];
-			}
-		}
-		
-		return Base64.encodeToString(saslBytes, Base64.DEFAULT);
-	}
-}
diff --git a/src/de/gultsch/chat/utils/UIHelper.java b/src/de/gultsch/chat/utils/UIHelper.java
deleted file mode 100644
index 5e81f099..00000000
--- a/src/de/gultsch/chat/utils/UIHelper.java
+++ /dev/null
@@ -1,213 +0,0 @@
-package de.gultsch.chat.utils;
-
-import java.io.FileDescriptor;
-import java.io.FileNotFoundException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.List;
-
-import de.gultsch.chat.R;
-import de.gultsch.chat.entities.Account;
-import de.gultsch.chat.entities.Contact;
-import de.gultsch.chat.entities.Conversation;
-import de.gultsch.chat.entities.Message;
-import de.gultsch.chat.ui.ConversationActivity;
-
-import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.Notification;
-import android.app.PendingIntent;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.DialogInterface.OnClickListener;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.res.Resources;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.graphics.Rect;
-import android.net.Uri;
-import android.preference.PreferenceManager;
-import android.provider.ContactsContract.Contacts;
-import android.support.v4.app.NotificationCompat;
-import android.support.v4.app.TaskStackBuilder;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.LinearLayout;
-import android.widget.QuickContactBadge;
-import android.widget.TextView;
-
-public class UIHelper {
-	public static String readableTimeDifference(long time) {
-		if (time == 0) {
-			return "just now";
-		}
-		Date date = new Date(time);
-		long difference = (System.currentTimeMillis() - time) / 1000;
-		if (difference < 60) {
-			return "just now";
-		} else if (difference < 60 * 10) {
-			return difference / 60 + " min ago";
-		} else if (difference < 60 * 60 * 24) {
-			SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
-			return sdf.format(date);
-		} else {
-			SimpleDateFormat sdf = new SimpleDateFormat("MM/dd");
-			return sdf.format(date);
-		}
-	}
-
-	public static Bitmap getUnknownContactPicture(String name, int size) {
-		String firstLetter = name.substring(0, 1).toUpperCase();
-
-		int holoColors[] = { 0xFF1da9da, 0xFFb368d9, 0xFF83b600, 0xFFffa713,
-				0xFFe92727 };
-
-		int color = holoColors[Math.abs(name.hashCode()) % holoColors.length];
-
-		Bitmap bitmap = Bitmap
-				.createBitmap(size, size, Bitmap.Config.ARGB_8888);
-		Canvas canvas = new Canvas(bitmap);
-
-		bitmap.eraseColor(color);
-
-		Paint paint = new Paint();
-		paint.setColor(0xffe5e5e5);
-		paint.setTextSize((float) (size * 0.9));
-		paint.setAntiAlias(true);
-		Rect rect = new Rect();
-		paint.getTextBounds(firstLetter, 0, 1, rect);
-		float width = paint.measureText(firstLetter);
-		canvas.drawText(firstLetter, (size / 2) - (width / 2), (size / 2)
-				+ (rect.height() / 2), paint);
-
-		return bitmap;
-	}
-	
-	public static Bitmap getErrorPicture(int size) {
-		Bitmap bitmap = Bitmap
-				.createBitmap(size, size, Bitmap.Config.ARGB_8888);
-		Canvas canvas = new Canvas(bitmap);
-
-		bitmap.eraseColor(0xFFe92727);
-
-		Paint paint = new Paint();
-		paint.setColor(0xffe5e5e5);
-		paint.setTextSize((float) (size * 0.9));
-		paint.setAntiAlias(true);
-		Rect rect = new Rect();
-		paint.getTextBounds("!", 0, 1, rect);
-		float width = paint.measureText("!");
-		canvas.drawText("!", (size / 2) - (width / 2), (size / 2)
-				+ (rect.height() / 2), paint);
-
-		return bitmap;
-	}
-
-	public static Notification getUnreadMessageNotification(Context context,
-			Conversation conversation) {
-
-		SharedPreferences sharedPref = PreferenceManager
-				.getDefaultSharedPreferences(context);
-		String ringtone = sharedPref.getString("notification_ringtone", null);
-
-		Resources res = context.getResources();
-		NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
-				context);
-		mBuilder.setLargeIcon(UIHelper.getUnknownContactPicture(conversation
-				.getName(), (int) res
-				.getDimension(android.R.dimen.notification_large_icon_width)));
-		mBuilder.setContentTitle(conversation.getName());
-		mBuilder.setTicker(conversation.getLatestMessage().getBody().trim());
-		StringBuilder bigText = new StringBuilder();
-		List<Message> messages = conversation.getMessages();
-		String firstLine = "";
-		for(int i = messages.size() -1; i >= 0; --i) {
-			if (!messages.get(i).isRead()) {
-				if (i == messages.size() -1 ) {
-					firstLine = messages.get(i).getBody().trim();
-					bigText.append(firstLine);
-				} else {
-					firstLine = messages.get(i).getBody().trim();
-					bigText.insert(0, firstLine+"\n");
-				}
-			} else {
-				break;
-			}
-		}
-		mBuilder.setContentText(firstLine);
-		mBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(bigText.toString()));
-		mBuilder.setSmallIcon(R.drawable.notification);
-		mBuilder.setLights(0xffffffff, 2000, 4000);
-		if (ringtone != null) {
-			mBuilder.setSound(Uri.parse(ringtone));
-		}
-
-		TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
-		stackBuilder.addParentStack(ConversationActivity.class);
-
-		Intent viewConversationIntent = new Intent(context,
-				ConversationActivity.class);
-		viewConversationIntent.setAction(Intent.ACTION_VIEW);
-		viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
-				conversation.getUuid());
-		viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
-
-		stackBuilder.addNextIntent(viewConversationIntent);
-
-		PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,
-				PendingIntent.FLAG_UPDATE_CURRENT);
-
-		mBuilder.setContentIntent(resultPendingIntent);
-		return mBuilder.build();
-	}
-
-	public static void prepareContactBadge(final Activity activity,
-			QuickContactBadge badge, final Contact contact) {
-		if (contact.getSystemAccount()!=null) {
-			String[] systemAccount = contact.getSystemAccount().split("#");
-			long id = Long.parseLong(systemAccount[0]);
-			badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
-	
-			if (contact.getProfilePhoto() != null) {
-				badge.setImageURI(Uri.parse(contact.getProfilePhoto()));
-			} else {
-				badge.setImageBitmap(UIHelper.getUnknownContactPicture(contact.getDisplayName(), 400));
-			}
-		} else {
-			badge.setImageBitmap(UIHelper.getUnknownContactPicture(contact.getDisplayName(), 400));
-		}
-
-	}
-	
-	public static AlertDialog getVerifyFingerprintDialog(final ConversationActivity activity,final Conversation conversation, final LinearLayout msg) {
-		final Contact contact = conversation.getContact();
-		final Account account = conversation.getAccount();
-		
-		AlertDialog.Builder builder = new AlertDialog.Builder(activity);
-		builder.setTitle("Verify fingerprint");
-		LayoutInflater inflater = activity.getLayoutInflater();
-		View view = inflater.inflate(R.layout.dialog_verify_otr, null);
-		TextView jid = (TextView) view.findViewById(R.id.verify_otr_jid);
-		TextView fingerprint = (TextView) view.findViewById(R.id.verify_otr_fingerprint);
-		TextView yourprint = (TextView) view.findViewById(R.id.verify_otr_yourprint);
-		
-		jid.setText(contact.getJid());
-		fingerprint.setText(conversation.getOtrFingerprint());
-		yourprint.setText(account.getOtrFingerprint());
-		builder.setNegativeButton("Cancel", null);
-		builder.setPositiveButton("Verify", new OnClickListener() {
-			
-			@Override
-			public void onClick(DialogInterface dialog, int which) {
-				contact.addOtrFingerprint(conversation.getOtrFingerprint());
-				msg.setVisibility(View.GONE);
-				activity.xmppConnectionService.updateContact(contact);
-			}
-		});
-		builder.setView(view);
-		return builder.create();
-	}
-}
diff --git a/src/de/gultsch/chat/utils/Validator.java b/src/de/gultsch/chat/utils/Validator.java
deleted file mode 100644
index a29ffa0a..00000000
--- a/src/de/gultsch/chat/utils/Validator.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package de.gultsch.chat.utils;
-
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-public class Validator {
-	public static final Pattern VALID_JID = 
-		    Pattern.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$", Pattern.CASE_INSENSITIVE);
-	
-	public static boolean isValidJid(String jid) {
-		Matcher matcher = VALID_JID.matcher(jid);
-		return matcher.find();
-	}
-}