some code cleanup

23 files changed, 411 insertions, 323 deletions

diff --git a/src/eu/siacs/conversations/xmpp/XmppConnection.java b/src/eu/siacs/conversations/xmpp/XmppConnection.java
index 932b16f2..ae6b6f72 100644
--- a/src/eu/siacs/conversations/xmpp/XmppConnection.java
+++ b/src/eu/siacs/conversations/xmpp/XmppConnection.java
@@ -32,6 +32,7 @@ import android.os.PowerManager.WakeLock;
 import android.os.SystemClock;
 import android.util.Log;
 import android.util.SparseArray;
+import eu.siacs.conversations.Config;
 import eu.siacs.conversations.entities.Account;
 import eu.siacs.conversations.services.XmppConnectionService;
 import eu.siacs.conversations.utils.CryptoHelper;
@@ -58,7 +59,6 @@ import eu.siacs.conversations.xmpp.stanzas.streammgmt.ResumePacket;
 public class XmppConnection implements Runnable {
 
 	protected Account account;
-	private static final String LOGTAG = "xmppService";
 
 	private WakeLock wakeLock;
 
@@ -67,7 +67,7 @@ public class XmppConnection implements Runnable {
 	private Socket socket;
 	private XmlReader tagReader;
 	private TagWriter tagWriter;
-	
+
 	private Features features = new Features(this);
 
 	private boolean shouldBind = true;
@@ -78,7 +78,7 @@ public class XmppConnection implements Runnable {
 	private String streamId = null;
 	private int smVersion = 3;
 	private SparseArray<String> messageReceipts = new SparseArray<String>();
-	
+
 	private boolean usingCompression = false;
 
 	private int stanzasReceived = 0;
@@ -109,8 +109,8 @@ public class XmppConnection implements Runnable {
 		this.mRandom = service.getRNG();
 		this.mMemorizingTrustManager = service.getMemorizingTrustManager();
 		this.account = account;
-		this.wakeLock = service.getPowerManager().newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
-				account.getJid());
+		this.wakeLock = service.getPowerManager().newWakeLock(
+				PowerManager.PARTIAL_WAKE_LOCK, account.getJid());
 		tagWriter = new TagWriter();
 	}
 
@@ -133,7 +133,7 @@ public class XmppConnection implements Runnable {
 	}
 
 	protected void connect() {
-		Log.d(LOGTAG, account.getJid() + ": connecting");
+		Log.d(Config.LOGTAG, account.getJid() + ": connecting");
 		usingCompression = false;
 		lastConnect = SystemClock.elapsedRealtime();
 		lastPingSent = SystemClock.elapsedRealtime();
@@ -147,7 +147,7 @@ public class XmppConnection implements Runnable {
 			this.changeStatus(Account.STATUS_CONNECTING);
 			Bundle namePort = DNSHelper.getSRVRecord(account.getServer());
 			if ("timeout".equals(namePort.getString("error"))) {
-				Log.d(LOGTAG, account.getJid() + ": dns timeout");
+				Log.d(Config.LOGTAG, account.getJid() + ": dns timeout");
 				this.changeStatus(Account.STATUS_OFFLINE);
 				return;
 			}
@@ -156,13 +156,14 @@ public class XmppConnection implements Runnable {
 			int srvRecordPort = namePort.getInt("port");
 			if (srvRecordServer != null) {
 				if (srvIpServer != null) {
-					Log.d(LOGTAG, account.getJid() + ": using values from dns "
-							+ srvRecordServer + "[" + srvIpServer + "]:"
-							+ srvRecordPort);
+					Log.d(Config.LOGTAG, account.getJid()
+							+ ": using values from dns " + srvRecordServer
+							+ "[" + srvIpServer + "]:" + srvRecordPort);
 					socket = new Socket(srvIpServer, srvRecordPort);
 				} else {
-					Log.d(LOGTAG, account.getJid() + ": using values from dns "
-							+ srvRecordServer + ":" + srvRecordPort);
+					Log.d(Config.LOGTAG, account.getJid()
+							+ ": using values from dns " + srvRecordServer
+							+ ":" + srvRecordPort);
 					socket = new Socket(srvRecordServer, srvRecordPort);
 				}
 			} else {
@@ -180,7 +181,8 @@ public class XmppConnection implements Runnable {
 					processStream(nextTag);
 					break;
 				} else {
-					Log.d(LOGTAG, "found unexpected tag: " + nextTag.getName());
+					Log.d(Config.LOGTAG,
+							"found unexpected tag: " + nextTag.getName());
 					return;
 				}
 			}
@@ -190,27 +192,39 @@ public class XmppConnection implements Runnable {
 		} catch (UnknownHostException e) {
 			this.changeStatus(Account.STATUS_SERVER_NOT_FOUND);
 			if (wakeLock.isHeld()) {
-				try { wakeLock.release();} catch (RuntimeException re) {}
+				try {
+					wakeLock.release();
+				} catch (RuntimeException re) {
+				}
 			}
 			return;
 		} catch (IOException e) {
 			this.changeStatus(Account.STATUS_OFFLINE);
 			if (wakeLock.isHeld()) {
-				try { wakeLock.release();} catch (RuntimeException re) {}
+				try {
+					wakeLock.release();
+				} catch (RuntimeException re) {
+				}
 			}
 			return;
 		} catch (NoSuchAlgorithmException e) {
 			this.changeStatus(Account.STATUS_OFFLINE);
-			Log.d(LOGTAG, "compression exception " + e.getMessage());
+			Log.d(Config.LOGTAG, "compression exception " + e.getMessage());
 			if (wakeLock.isHeld()) {
-				try { wakeLock.release();} catch (RuntimeException re) {}
+				try {
+					wakeLock.release();
+				} catch (RuntimeException re) {
+				}
 			}
 			return;
 		} catch (XmlPullParserException e) {
 			this.changeStatus(Account.STATUS_OFFLINE);
-			Log.d(LOGTAG, "xml exception " + e.getMessage());
+			Log.d(Config.LOGTAG, "xml exception " + e.getMessage());
 			if (wakeLock.isHeld()) {
-				try { wakeLock.release();} catch (RuntimeException re) {}
+				try {
+					wakeLock.release();
+				} catch (RuntimeException re) {
+				}
 			}
 			return;
 		}
@@ -235,7 +249,7 @@ public class XmppConnection implements Runnable {
 			} else if (nextTag.isStart("compressed")) {
 				switchOverToZLib(nextTag);
 			} else if (nextTag.isStart("success")) {
-				Log.d(LOGTAG, account.getJid() + ": logged in");
+				Log.d(Config.LOGTAG, account.getJid() + ": logged in");
 				tagReader.readTag();
 				tagReader.reset();
 				sendStartStream();
@@ -250,17 +264,18 @@ public class XmppConnection implements Runnable {
 				response.setAttribute("xmlns",
 						"urn:ietf:params:xml:ns:xmpp-sasl");
 				response.setContent(CryptoHelper.saslDigestMd5(account,
-						challange,mRandom));
+						challange, mRandom));
 				tagWriter.writeElement(response);
 			} else if (nextTag.isStart("enabled")) {
 				Element enabled = tagReader.readElement(nextTag);
 				if ("true".equals(enabled.getAttribute("resume"))) {
 					this.streamId = enabled.getAttribute("id");
-					Log.d(LOGTAG, account.getJid() + ": stream managment("
-							+ smVersion + ") enabled (resumable)");
+					Log.d(Config.LOGTAG, account.getJid()
+							+ ": stream managment(" + smVersion
+							+ ") enabled (resumable)");
 				} else {
-					Log.d(LOGTAG, account.getJid() + ": stream managment("
-							+ smVersion + ") enabled");
+					Log.d(Config.LOGTAG, account.getJid()
+							+ ": stream managment(" + smVersion + ") enabled");
 				}
 				this.lastSessionStarted = SystemClock.elapsedRealtime();
 				this.stanzasReceived = 0;
@@ -272,22 +287,25 @@ public class XmppConnection implements Runnable {
 				String h = resumed.getAttribute("h");
 				try {
 					int serverCount = Integer.parseInt(h);
-					if (serverCount!=stanzasSent) {
-						Log.d(LOGTAG,account.getJid() + ": session resumed with lost packages");
+					if (serverCount != stanzasSent) {
+						Log.d(Config.LOGTAG, account.getJid()
+								+ ": session resumed with lost packages");
 						stanzasSent = serverCount;
 					} else {
-						Log.d(LOGTAG, account.getJid() + ": session resumed");
+						Log.d(Config.LOGTAG, account.getJid()
+								+ ": session resumed");
 					}
-					if (acknowledgedListener!=null) {
-						for(int i = 0; i < messageReceipts.size(); ++i) {
-							if (serverCount>=messageReceipts.keyAt(i)) {
-								acknowledgedListener.onMessageAcknowledged(account, messageReceipts.valueAt(i));
+					if (acknowledgedListener != null) {
+						for (int i = 0; i < messageReceipts.size(); ++i) {
+							if (serverCount >= messageReceipts.keyAt(i)) {
+								acknowledgedListener.onMessageAcknowledged(
+										account, messageReceipts.valueAt(i));
 							}
 						}
 					}
 					messageReceipts.clear();
 				} catch (NumberFormatException e) {
-					
+
 				}
 				changeStatus(Account.STATUS_ONLINE);
 			} else if (nextTag.isStart("r")) {
@@ -301,13 +319,14 @@ public class XmppConnection implements Runnable {
 				String msgId = this.messageReceipts.get(serverSequence);
 				if (msgId != null) {
 					if (this.acknowledgedListener != null) {
-						this.acknowledgedListener.onMessageAcknowledged(account, msgId);
+						this.acknowledgedListener.onMessageAcknowledged(
+								account, msgId);
 					}
 					this.messageReceipts.remove(serverSequence);
 				}
 			} else if (nextTag.isStart("failed")) {
 				tagReader.readElement(nextTag);
-				Log.d(LOGTAG, account.getJid() + ": resumption failed");
+				Log.d(Config.LOGTAG, account.getJid() + ": resumption failed");
 				streamId = null;
 				if (account.getStatus() != Account.STATUS_ONLINE) {
 					sendBindRequest();
@@ -347,7 +366,7 @@ public class XmppConnection implements Runnable {
 		}
 		element.setAttributes(currentTag.getAttributes());
 		Tag nextTag = tagReader.readTag();
-		if (nextTag==null) {
+		if (nextTag == null) {
 			throw new IOException("interrupted mid tag");
 		}
 		while (!nextTag.isEnd(element.getName())) {
@@ -361,7 +380,7 @@ public class XmppConnection implements Runnable {
 				element.addChild(child);
 			}
 			nextTag = tagReader.readTag();
-			if (nextTag==null) {
+			if (nextTag == null) {
 				throw new IOException("interrupted mid tag");
 			}
 		}
@@ -446,7 +465,7 @@ public class XmppConnection implements Runnable {
 				.setInputStream(new ZLibInputStream(tagReader.getInputStream()));
 
 		sendStartStream();
-		Log.d(LOGTAG, account.getJid() + ": compression enabled");
+		Log.d(Config.LOGTAG, account.getJid() + ": compression enabled");
 		usingCompression = true;
 		processStream(tagReader.readTag());
 	}
@@ -462,23 +481,30 @@ public class XmppConnection implements Runnable {
 		tagReader.readTag();
 		try {
 			SSLContext sc = SSLContext.getInstance("TLS");
-			sc.init(null, new X509TrustManager[] { this.mMemorizingTrustManager }, mRandom);
+			sc.init(null,
+					new X509TrustManager[] { this.mMemorizingTrustManager },
+					mRandom);
 			SSLSocketFactory factory = sc.getSocketFactory();
-			
-			HostnameVerifier verifier = this.mMemorizingTrustManager.wrapHostnameVerifier(new org.apache.http.conn.ssl.StrictHostnameVerifier());
+
+			HostnameVerifier verifier = this.mMemorizingTrustManager
+					.wrapHostnameVerifier(new org.apache.http.conn.ssl.StrictHostnameVerifier());
 			SSLSocket sslSocket = (SSLSocket) factory.createSocket(socket,
 					socket.getInetAddress().getHostAddress(), socket.getPort(),
 					true);
-			
-			if (verifier != null && !verifier.verify(account.getServer(), sslSocket.getSession())) {
-				Log.d(LOGTAG, account.getJid() + ": host mismatch in TLS connection");
+
+			if (verifier != null
+					&& !verifier.verify(account.getServer(),
+							sslSocket.getSession())) {
+				Log.d(Config.LOGTAG, account.getJid()
+						+ ": host mismatch in TLS connection");
 				sslSocket.close();
 				throw new IOException();
 			}
 			tagReader.setInputStream(sslSocket.getInputStream());
 			tagWriter.setOutputStream(sslSocket.getOutputStream());
 			sendStartStream();
-			Log.d(LOGTAG, account.getJid() + ": TLS connection established");
+			Log.d(Config.LOGTAG, account.getJid()
+					+ ": TLS connection established");
 			processStream(tagReader.readTag());
 			sslSocket.close();
 		} catch (NoSuchAlgorithmException e1) {
@@ -604,7 +630,7 @@ public class XmppConnection implements Runnable {
 								changeStatus(Account.STATUS_REGISTRATION_CONFLICT);
 							} else {
 								changeStatus(Account.STATUS_REGISTRATION_FAILED);
-								Log.d(LOGTAG, packet.toString());
+								Log.d(Config.LOGTAG, packet.toString());
 							}
 							disconnect(true);
 						}
@@ -612,7 +638,7 @@ public class XmppConnection implements Runnable {
 				} else {
 					changeStatus(Account.STATUS_REGISTRATION_FAILED);
 					disconnect(true);
-					Log.d(LOGTAG, account.getJid()
+					Log.d(Config.LOGTAG, account.getJid()
 							+ ": could not register. instructions are"
 							+ instructions.getContent());
 				}
@@ -628,9 +654,9 @@ public class XmppConnection implements Runnable {
 			@Override
 			public void onIqPacketReceived(Account account, IqPacket packet) {
 				Element bind = packet.findChild("bind");
-				if (bind!=null) {
+				if (bind != null) {
 					Element jid = bind.findChild("jid");
-					if (jid!=null) {
+					if (jid != null) {
 						account.setResource(jid.getContent().split("/")[1]);
 						if (streamFeatures.hasChild("sm", "urn:xmpp:sm:3")) {
 							smVersion = 3;
@@ -638,7 +664,8 @@ public class XmppConnection implements Runnable {
 							tagWriter.writeStanzaAsync(enable);
 							stanzasSent = 0;
 							messageReceipts.clear();
-						} else if (streamFeatures.hasChild("sm", "urn:xmpp:sm:2")) {
+						} else if (streamFeatures.hasChild("sm",
+								"urn:xmpp:sm:2")) {
 							smVersion = 2;
 							EnablePacket enable = new EnablePacket(smVersion);
 							tagWriter.writeStanzaAsync(enable);
@@ -660,7 +687,8 @@ public class XmppConnection implements Runnable {
 			}
 		});
 		if (this.streamFeatures.hasChild("session")) {
-			Log.d(LOGTAG, account.getJid() + ": sending deprecated session");
+			Log.d(Config.LOGTAG, account.getJid()
+					+ ": sending deprecated session");
 			IqPacket startSession = new IqPacket(IqPacket.TYPE_SET);
 			startSession.addChild("session",
 					"urn:ietf:params:xml:ns:xmpp-session");
@@ -725,10 +753,10 @@ public class XmppConnection implements Runnable {
 			@Override
 			public void onIqPacketReceived(Account account, IqPacket packet) {
 				if (!packet.hasChild("error")) {
-					Log.d(LOGTAG, account.getJid()
+					Log.d(Config.LOGTAG, account.getJid()
 							+ ": successfully enabled carbons");
 				} else {
-					Log.d(LOGTAG, account.getJid()
+					Log.d(Config.LOGTAG, account.getJid()
 							+ ": error enableing carbons " + packet.toString());
 				}
 			}
@@ -736,7 +764,7 @@ public class XmppConnection implements Runnable {
 	}
 
 	private void processStreamError(Tag currentTag) {
-		Log.d(LOGTAG, "processStreamError");
+		Log.d(Config.LOGTAG, "processStreamError");
 	}
 
 	private void sendStartStream() throws IOException {
@@ -778,15 +806,18 @@ public class XmppConnection implements Runnable {
 	public void sendPresencePacket(PresencePacket packet) {
 		this.sendPacket(packet, null);
 	}
-	
+
 	private synchronized void sendPacket(final AbstractStanza packet,
 			PacketReceived callback) {
-		if (packet.getName().equals("iq") || packet.getName().equals("message") || packet.getName().equals("presence")) {
+		if (packet.getName().equals("iq") || packet.getName().equals("message")
+				|| packet.getName().equals("presence")) {
 			++stanzasSent;
 		}
 		tagWriter.writeStanzaAsync(packet);
-		if (packet instanceof MessagePacket && packet.getId() != null && this.streamId != null) {
-			Log.d(LOGTAG,"request delivery report for stanza "+stanzasSent);
+		if (packet instanceof MessagePacket && packet.getId() != null
+				&& this.streamId != null) {
+			Log.d(Config.LOGTAG, "request delivery report for stanza "
+					+ stanzasSent);
 			this.messageReceipts.put(stanzasSent, packet.getId());
 			tagWriter.writeStanzaAsync(new RequestPacket(this.smVersion));
 		}
@@ -837,14 +868,14 @@ public class XmppConnection implements Runnable {
 	public void setOnBindListener(OnBindListener listener) {
 		this.bindListener = listener;
 	}
-	
+
 	public void setOnMessageAcknowledgeListener(OnMessageAcknowledged listener) {
 		this.acknowledgedListener = listener;
 	}
 
 	public void disconnect(boolean force) {
 		changeStatus(Account.STATUS_OFFLINE);
-		Log.d(LOGTAG, "disconnecting");
+		Log.d(Config.LOGTAG, "disconnecting");
 		try {
 			if (force) {
 				socket.close();
@@ -858,20 +889,21 @@ public class XmppConnection implements Runnable {
 						tagWriter.finish();
 						try {
 							while (!tagWriter.finished()) {
-								Log.d(LOGTAG, "not yet finished");
+								Log.d(Config.LOGTAG, "not yet finished");
 								Thread.sleep(100);
 							}
 							tagWriter.writeTag(Tag.end("stream:stream"));
 						} catch (IOException e) {
-							Log.d(LOGTAG, "io exception during disconnect");
+							Log.d(Config.LOGTAG,
+									"io exception during disconnect");
 						} catch (InterruptedException e) {
-							Log.d(LOGTAG, "interrupted");
+							Log.d(Config.LOGTAG, "interrupted");
 						}
 					}
 				}
 			}).start();
 		} catch (IOException e) {
-			Log.d(LOGTAG, "io exception during disconnect");
+			Log.d(Config.LOGTAG, "io exception during disconnect");
 		}
 	}
 
@@ -884,10 +916,10 @@ public class XmppConnection implements Runnable {
 		}
 		return items;
 	}
-	
+
 	public String findDiscoItemByFeature(String feature) {
 		List<String> items = findDiscoItemsByFeature(feature);
-		if (items.size()>=1) {
+		if (items.size() >= 1) {
 			return items.get(0);
 		}
 		return null;
@@ -896,7 +928,7 @@ public class XmppConnection implements Runnable {
 	public void r() {
 		this.tagWriter.writeStanzaAsync(new RequestPacket(smVersion));
 	}
-	
+
 	public String getMucServer() {
 		return findDiscoItemByFeature("http://jabber.org/protocol/muc");
 	}
@@ -910,28 +942,29 @@ public class XmppConnection implements Runnable {
 	public int getAttempt() {
 		return this.attempt;
 	}
-	
+
 	public Features getFeatures() {
 		return this.features;
 	}
-	
+
 	public class Features {
 		XmppConnection connection;
+
 		public Features(XmppConnection connection) {
 			this.connection = connection;
 		}
-		
+
 		private boolean hasDiscoFeature(String server, String feature) {
 			if (!connection.disco.containsKey(server)) {
 				return false;
 			}
 			return connection.disco.get(server).contains(feature);
 		}
-		
+
 		public boolean carbons() {
 			return hasDiscoFeature(account.getServer(), "urn:xmpp:carbons:2");
 		}
-		
+
 		public boolean sm() {
 			if (connection.streamFeatures == null) {
 				return false;
@@ -939,19 +972,21 @@ public class XmppConnection implements Runnable {
 				return connection.streamFeatures.hasChild("sm");
 			}
 		}
-		
+
 		public boolean csi() {
 			if (connection.streamFeatures == null) {
 				return false;
 			} else {
-				return connection.streamFeatures.hasChild("csi","urn:xmpp:csi:0");
+				return connection.streamFeatures.hasChild("csi",
+						"urn:xmpp:csi:0");
 			}
 		}
-		
+
 		public boolean pubsub() {
-			return hasDiscoFeature(account.getServer(), "http://jabber.org/protocol/pubsub#publish");
+			return hasDiscoFeature(account.getServer(),
+					"http://jabber.org/protocol/pubsub#publish");
 		}
-		
+
 		public boolean rosterVersioning() {
 			if (connection.streamFeatures == null) {
 				return false;
@@ -959,11 +994,12 @@ public class XmppConnection implements Runnable {
 				return connection.streamFeatures.hasChild("ver");
 			}
 		}
-		
+
 		public boolean streamhost() {
-			return connection.findDiscoItemByFeature("http://jabber.org/protocol/bytestreams") != null;
+			return connection
+					.findDiscoItemByFeature("http://jabber.org/protocol/bytestreams") != null;
 		}
-		
+
 		public boolean compression() {
 			return connection.usingCompression;
 		}
@@ -978,15 +1014,15 @@ public class XmppConnection implements Runnable {
 		}
 		return System.currentTimeMillis() - diff;
 	}
-	
+
 	public long getLastConnect() {
 		return this.lastConnect;
 	}
-	
+
 	public long getLastPingSent() {
 		return this.lastPingSent;
 	}
-	
+
 	public long getLastPacketReceived() {
 		return this.lastPaketReceived;
 	}
@@ -994,7 +1030,7 @@ public class XmppConnection implements Runnable {
 	public void sendActive() {
 		this.sendPacket(new ActivePacket(), null);
 	}
-	
+
 	public void sendInactive() {
 		this.sendPacket(new InactivePacket(), null);
 	}
diff --git a/src/eu/siacs/conversations/xmpp/jingle/JingleCandidate.java b/src/eu/siacs/conversations/xmpp/jingle/JingleCandidate.java
index 80ffeaaa..2874b9a5 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/JingleCandidate.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/JingleCandidate.java
@@ -6,11 +6,11 @@ import java.util.List;
 import eu.siacs.conversations.xml.Element;
 
 public class JingleCandidate {
-	
+
 	public static int TYPE_UNKNOWN;
 	public static int TYPE_DIRECT = 0;
 	public static int TYPE_PROXY = 1;
-	
+
 	private boolean ours;
 	private boolean usedByCounterpart = false;
 	private String cid;
@@ -19,12 +19,12 @@ public class JingleCandidate {
 	private int type;
 	private String jid;
 	private int priority;
-	
-	public JingleCandidate(String cid,boolean ours) {
+
+	public JingleCandidate(String cid, boolean ours) {
 		this.ours = ours;
 		this.cid = cid;
 	}
-	
+
 	public String getCid() {
 		return cid;
 	}
@@ -32,15 +32,15 @@ public class JingleCandidate {
 	public void setHost(String host) {
 		this.host = host;
 	}
-	
+
 	public String getHost() {
 		return this.host;
 	}
-	
+
 	public void setJid(String jid) {
 		this.jid = jid;
 	}
-	
+
 	public String getJid() {
 		return this.jid;
 	}
@@ -48,15 +48,15 @@ public class JingleCandidate {
 	public void setPort(int port) {
 		this.port = port;
 	}
-	
+
 	public int getPort() {
 		return this.port;
 	}
-	
+
 	public void setType(int type) {
 		this.type = type;
 	}
-	
+
 	public void setType(String type) {
 		if ("proxy".equals(type)) {
 			this.type = TYPE_PROXY;
@@ -70,42 +70,46 @@ public class JingleCandidate {
 	public void setPriority(int i) {
 		this.priority = i;
 	}
-	
+
 	public int getPriority() {
 		return this.priority;
 	}
-	
+
 	public boolean equals(JingleCandidate other) {
 		return this.getCid().equals(other.getCid());
 	}
-	
+
 	public boolean equalValues(JingleCandidate other) {
-		return other.getHost().equals(this.getHost())&&(other.getPort()==this.getPort());
+		return other.getHost().equals(this.getHost())
+				&& (other.getPort() == this.getPort());
 	}
-	
+
 	public boolean isOurs() {
 		return ours;
 	}
-	
+
 	public int getType() {
 		return this.type;
 	}
 
 	public static List<JingleCandidate> parse(List<Element> canditates) {
 		List<JingleCandidate> parsedCandidates = new ArrayList<JingleCandidate>();
-		for(Element c : canditates) {
+		for (Element c : canditates) {
 			parsedCandidates.add(JingleCandidate.parse(c));
 		}
 		return parsedCandidates;
 	}
-	
+
 	public static JingleCandidate parse(Element candidate) {
-		JingleCandidate parsedCandidate = new JingleCandidate(candidate.getAttribute("cid"), false);
+		JingleCandidate parsedCandidate = new JingleCandidate(
+				candidate.getAttribute("cid"), false);
 		parsedCandidate.setHost(candidate.getAttribute("host"));
 		parsedCandidate.setJid(candidate.getAttribute("jid"));
 		parsedCandidate.setType(candidate.getAttribute("type"));
-		parsedCandidate.setPriority(Integer.parseInt(candidate.getAttribute("priority")));
-		parsedCandidate.setPort(Integer.parseInt(candidate.getAttribute("port")));
+		parsedCandidate.setPriority(Integer.parseInt(candidate
+				.getAttribute("priority")));
+		parsedCandidate
+				.setPort(Integer.parseInt(candidate.getAttribute("port")));
 		return parsedCandidate;
 	}
 
@@ -113,26 +117,27 @@ public class JingleCandidate {
 		Element element = new Element("candidate");
 		element.setAttribute("cid", this.getCid());
 		element.setAttribute("host", this.getHost());
-		element.setAttribute("port", ""+this.getPort());
+		element.setAttribute("port", "" + this.getPort());
 		element.setAttribute("jid", this.getJid());
-		element.setAttribute("priority",""+this.getPriority());
-		if (this.getType()==TYPE_DIRECT) {
-			element.setAttribute("type","direct");
-		} else if (this.getType()==TYPE_PROXY) {
-			element.setAttribute("type","proxy");
+		element.setAttribute("priority", "" + this.getPriority());
+		if (this.getType() == TYPE_DIRECT) {
+			element.setAttribute("type", "direct");
+		} else if (this.getType() == TYPE_PROXY) {
+			element.setAttribute("type", "proxy");
 		}
 		return element;
 	}
 
 	public void flagAsUsedByCounterpart() {
-		this.usedByCounterpart  = true;
+		this.usedByCounterpart = true;
 	}
 
 	public boolean isUsedByCounterpart() {
 		return this.usedByCounterpart;
 	}
-	
+
 	public String toString() {
-		return this.getHost()+":"+this.getPort()+" (prio="+this.getPriority()+")";
+		return this.getHost() + ":" + this.getPort() + " (prio="
+				+ this.getPriority() + ")";
 	}
 }
diff --git a/src/eu/siacs/conversations/xmpp/jingle/JingleConnection.java b/src/eu/siacs/conversations/xmpp/jingle/JingleConnection.java
index bfdbb7cc..317838fd 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/JingleConnection.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/JingleConnection.java
@@ -12,6 +12,7 @@ import android.content.Intent;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.util.Log;
+import eu.siacs.conversations.Config;
 import eu.siacs.conversations.entities.Account;
 import eu.siacs.conversations.entities.Conversation;
 import eu.siacs.conversations.entities.Message;
@@ -100,10 +101,11 @@ public class JingleConnection {
 				mXmppConnectionService.markMessage(message,
 						Message.STATUS_RECEIVED);
 			}
-			Log.d("xmppService",
+			Log.d(Config.LOGTAG,
 					"sucessfully transmitted file:" + file.getAbsolutePath());
-			if (message.getEncryption()!=Message.ENCRYPTION_PGP) {
-				Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
+			if (message.getEncryption() != Message.ENCRYPTION_PGP) {
+				Intent intent = new Intent(
+						Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
 				intent.setData(Uri.fromFile(file));
 				mXmppConnectionService.sendBroadcast(intent);
 			}
@@ -121,17 +123,17 @@ public class JingleConnection {
 		@Override
 		public void success() {
 			if (initiator.equals(account.getFullJid())) {
-				Log.d("xmppService", "we were initiating. sending file");
+				Log.d(Config.LOGTAG, "we were initiating. sending file");
 				transport.send(file, onFileTransmissionSatusChanged);
 			} else {
 				transport.receive(file, onFileTransmissionSatusChanged);
-				Log.d("xmppService", "we were responding. receiving file");
+				Log.d(Config.LOGTAG, "we were responding. receiving file");
 			}
 		}
 
 		@Override
 		public void failed() {
-			Log.d("xmppService", "proxy activation failed");
+			Log.d(Config.LOGTAG, "proxy activation failed");
 		}
 	};
 
@@ -177,13 +179,13 @@ public class JingleConnection {
 				returnResult = this.receiveFallbackToIbb(packet);
 			} else {
 				returnResult = false;
-				Log.d("xmppService", "trying to fallback to something unknown"
+				Log.d(Config.LOGTAG, "trying to fallback to something unknown"
 						+ packet.toString());
 			}
 		} else if (packet.isAction("transport-accept")) {
 			returnResult = this.receiveTransportAccept(packet);
 		} else {
-			Log.d("xmppService", "packet arrived in connection. action was "
+			Log.d(Config.LOGTAG, "packet arrived in connection. action was "
 					+ packet.getAction());
 			returnResult = false;
 		}
@@ -224,14 +226,14 @@ public class JingleConnection {
 
 											@Override
 											public void failed() {
-												Log.d("xmppService",
+												Log.d(Config.LOGTAG,
 														"connection to our own primary candidete failed");
 												sendInitRequest();
 											}
 
 											@Override
 											public void established() {
-												Log.d("xmppService",
+												Log.d(Config.LOGTAG,
 														"succesfully connected to our own primary candidate");
 												mergeCandidate(candidate);
 												sendInitRequest();
@@ -239,7 +241,7 @@ public class JingleConnection {
 										});
 								mergeCandidate(candidate);
 							} else {
-								Log.d("xmppService",
+								Log.d(Config.LOGTAG,
 										"no primary candidate of our own was found");
 								sendInitRequest();
 							}
@@ -288,7 +290,7 @@ public class JingleConnection {
 								filename[filename.length - 2])) {
 							supportedFile = true;
 							if (filename[filename.length - 1].equals("otr")) {
-								Log.d("xmppService", "receiving otr file");
+								Log.d(Config.LOGTAG, "receiving otr file");
 								this.message
 										.setEncryption(Message.ENCRYPTION_OTR);
 							} else {
@@ -304,13 +306,13 @@ public class JingleConnection {
 					conversation.getMessages().add(message);
 					if (size <= this.mJingleConnectionManager
 							.getAutoAcceptFileSize()) {
-						Log.d("xmppService", "auto accepting file from "
+						Log.d(Config.LOGTAG, "auto accepting file from "
 								+ packet.getFrom());
 						this.acceptedAutomatically = true;
 						this.sendAccept();
 					} else {
 						message.markUnread();
-						Log.d("xmppService",
+						Log.d(Config.LOGTAG,
 								"not auto accepting new file offer with size: "
 										+ size
 										+ " allowed size:"
@@ -400,7 +402,7 @@ public class JingleConnection {
 
 								@Override
 								public void failed() {
-									Log.d("xmppService",
+									Log.d(Config.LOGTAG,
 											"connection to our own primary candidate failed");
 									content.socks5transport().setChildren(
 											getCandidatesAsElements());
@@ -411,7 +413,7 @@ public class JingleConnection {
 
 								@Override
 								public void established() {
-									Log.d("xmppService",
+									Log.d(Config.LOGTAG,
 											"connected to primary candidate");
 									mergeCandidate(candidate);
 									content.socks5transport().setChildren(
@@ -422,7 +424,7 @@ public class JingleConnection {
 								}
 							});
 						} else {
-							Log.d("xmppService",
+							Log.d(Config.LOGTAG,
 									"did not find a primary candidate for ourself");
 							content.socks5transport().setChildren(
 									getCandidatesAsElements());
@@ -446,7 +448,7 @@ public class JingleConnection {
 	}
 
 	private void sendJinglePacket(JinglePacket packet) {
-		// Log.d("xmppService",packet.toString());
+		// Log.d(Config.LOGTAG,packet.toString());
 		account.getXmppConnection().sendIqPacket(packet, responseListener);
 	}
 
@@ -470,14 +472,14 @@ public class JingleConnection {
 				} else {
 					String cid = content.socks5transport()
 							.findChild("activated").getAttribute("cid");
-					Log.d("xmppService", "received proxy activated (" + cid
+					Log.d(Config.LOGTAG, "received proxy activated (" + cid
 							+ ")prior to choosing our own transport");
 					JingleSocks5Transport connection = this.connections
 							.get(cid);
 					if (connection != null) {
 						connection.setActivated(true);
 					} else {
-						Log.d("xmppService", "activated connection not found");
+						Log.d(Config.LOGTAG, "activated connection not found");
 						this.sendCancel();
 						this.cancel();
 					}
@@ -487,7 +489,7 @@ public class JingleConnection {
 				onProxyActivated.failed();
 				return true;
 			} else if (content.socks5transport().hasChild("candidate-error")) {
-				Log.d("xmppService", "received candidate error");
+				Log.d(Config.LOGTAG, "received candidate error");
 				this.receivedCandidate = true;
 				if ((status == STATUS_ACCEPTED) && (this.sentCandidate)) {
 					this.connect();
@@ -497,14 +499,14 @@ public class JingleConnection {
 				String cid = content.socks5transport()
 						.findChild("candidate-used").getAttribute("cid");
 				if (cid != null) {
-					Log.d("xmppService", "candidate used by counterpart:" + cid);
+					Log.d(Config.LOGTAG, "candidate used by counterpart:" + cid);
 					JingleCandidate candidate = getCandidate(cid);
 					candidate.flagAsUsedByCounterpart();
 					this.receivedCandidate = true;
 					if ((status == STATUS_ACCEPTED) && (this.sentCandidate)) {
 						this.connect();
 					} else {
-						Log.d("xmppService",
+						Log.d(Config.LOGTAG,
 								"ignoring because file is already in transmission or we havent sent our candidate yet");
 					}
 					return true;
@@ -523,7 +525,7 @@ public class JingleConnection {
 		final JingleSocks5Transport connection = chooseConnection();
 		this.transport = connection;
 		if (connection == null) {
-			Log.d("xmppService", "could not find suitable candidate");
+			Log.d(Config.LOGTAG, "could not find suitable candidate");
 			this.disconnect();
 			if (this.initiator.equals(account.getFullJid())) {
 				this.sendFallbackToIbb();
@@ -532,7 +534,7 @@ public class JingleConnection {
 			this.status = STATUS_TRANSMITTING;
 			if (connection.needsActivation()) {
 				if (connection.getCandidate().isOurs()) {
-					Log.d("xmppService", "candidate "
+					Log.d(Config.LOGTAG, "candidate "
 							+ connection.getCandidate().getCid()
 							+ " was our proxy. going to activate");
 					IqPacket activation = new IqPacket(IqPacket.TYPE_SET);
@@ -557,17 +559,17 @@ public class JingleConnection {
 								}
 							});
 				} else {
-					Log.d("xmppService",
+					Log.d(Config.LOGTAG,
 							"candidate "
 									+ connection.getCandidate().getCid()
 									+ " was a proxy. waiting for other party to activate");
 				}
 			} else {
 				if (initiator.equals(account.getFullJid())) {
-					Log.d("xmppService", "we were initiating. sending file");
+					Log.d(Config.LOGTAG, "we were initiating. sending file");
 					connection.send(file, onFileTransmissionSatusChanged);
 				} else {
-					Log.d("xmppService", "we were responding. receiving file");
+					Log.d(Config.LOGTAG, "we were responding. receiving file");
 					connection.receive(file, onFileTransmissionSatusChanged);
 				}
 			}
@@ -579,11 +581,11 @@ public class JingleConnection {
 		for (Entry<String, JingleSocks5Transport> cursor : connections
 				.entrySet()) {
 			JingleSocks5Transport currentConnection = cursor.getValue();
-			// Log.d("xmppService","comparing candidate: "+currentConnection.getCandidate().toString());
+			// Log.d(Config.LOGTAG,"comparing candidate: "+currentConnection.getCandidate().toString());
 			if (currentConnection.isEstablished()
 					&& (currentConnection.getCandidate().isUsedByCounterpart() || (!currentConnection
 							.getCandidate().isOurs()))) {
-				// Log.d("xmppService","is usable");
+				// Log.d(Config.LOGTAG,"is usable");
 				if (connection == null) {
 					connection = currentConnection;
 				} else {
@@ -592,7 +594,7 @@ public class JingleConnection {
 						connection = currentConnection;
 					} else if (connection.getCandidate().getPriority() == currentConnection
 							.getCandidate().getPriority()) {
-						// Log.d("xmppService","found two candidates with same priority");
+						// Log.d(Config.LOGTAG,"found two candidates with same priority");
 						if (initiator.equals(account.getFullJid())) {
 							if (currentConnection.getCandidate().isOurs()) {
 								connection = currentConnection;
@@ -672,7 +674,7 @@ public class JingleConnection {
 
 				@Override
 				public void failed() {
-					Log.d("xmppService", "ibb open failed");
+					Log.d(Config.LOGTAG, "ibb open failed");
 				}
 
 				@Override
@@ -742,7 +744,7 @@ public class JingleConnection {
 
 			@Override
 			public void failed() {
-				Log.d("xmppService",
+				Log.d(Config.LOGTAG,
 						"connection failed with " + candidate.getHost() + ":"
 								+ candidate.getPort());
 				connectNextCandidate();
@@ -750,7 +752,7 @@ public class JingleConnection {
 
 			@Override
 			public void established() {
-				Log.d("xmppService",
+				Log.d(Config.LOGTAG,
 						"established connection with " + candidate.getHost()
 								+ ":" + candidate.getPort());
 				sendCandidateUsed(candidate.getCid());
@@ -874,7 +876,7 @@ public class JingleConnection {
 				}
 			}).start();
 		} else {
-			Log.d("xmppService", "status (" + status + ") was not ok");
+			Log.d(Config.LOGTAG, "status (" + status + ") was not ok");
 		}
 	}
 }
diff --git a/src/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java b/src/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java
index f01d7fa9..79090af6 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java
@@ -7,6 +7,7 @@ import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
 import android.annotation.SuppressLint;
 import android.util.Log;
+import eu.siacs.conversations.Config;
 import eu.siacs.conversations.entities.Account;
 import eu.siacs.conversations.entities.Message;
 import eu.siacs.conversations.services.XmppConnectionService;
@@ -33,18 +34,20 @@ public class JingleConnectionManager {
 	public void deliverPacket(Account account, JinglePacket packet) {
 		if (packet.isAction("session-initiate")) {
 			JingleConnection connection = new JingleConnection(this);
-			connection.init(account,packet);
+			connection.init(account, packet);
 			connections.add(connection);
 		} else {
 			for (JingleConnection connection : connections) {
-				if (connection.getAccountJid().equals(account.getFullJid()) && connection
-						.getSessionId().equals(packet.getSessionId()) && connection
-						.getCounterPart().equals(packet.getFrom())) {
+				if (connection.getAccountJid().equals(account.getFullJid())
+						&& connection.getSessionId().equals(
+								packet.getSessionId())
+						&& connection.getCounterPart().equals(packet.getFrom())) {
 					connection.deliverPacket(packet);
 					return;
 				}
 			}
-			account.getXmppConnection().sendIqPacket(packet.generateRespone(IqPacket.TYPE_ERROR), null);
+			account.getXmppConnection().sendIqPacket(
+					packet.generateRespone(IqPacket.TYPE_ERROR), null);
 		}
 	}
 
@@ -60,7 +63,7 @@ public class JingleConnectionManager {
 		this.connections.add(connection);
 		return connection;
 	}
-	
+
 	public void finishConnection(JingleConnection connection) {
 		this.connections.remove(connection);
 	}
@@ -90,12 +93,17 @@ public class JingleConnectionManager {
 										.findChild("streamhost",
 												"http://jabber.org/protocol/bytestreams");
 								if (streamhost != null) {
-									JingleCandidate candidate = new JingleCandidate(nextRandomId(),true);
-									candidate.setHost(streamhost.getAttribute("host"));
-									candidate.setPort(Integer.parseInt(streamhost.getAttribute("port")));
-									candidate.setType(JingleCandidate.TYPE_PROXY);
+									JingleCandidate candidate = new JingleCandidate(
+											nextRandomId(), true);
+									candidate.setHost(streamhost
+											.getAttribute("host"));
+									candidate.setPort(Integer
+											.parseInt(streamhost
+													.getAttribute("port")));
+									candidate
+											.setType(JingleCandidate.TYPE_PROXY);
 									candidate.setJid(proxy);
-									candidate.setPriority(655360+65535);
+									candidate.setPriority(655360 + 65535);
 									primaryCandidates.put(account.getJid(),
 											candidate);
 									listener.onPrimaryCandidateFound(true,
@@ -119,9 +127,10 @@ public class JingleConnectionManager {
 	public String nextRandomId() {
 		return new BigInteger(50, random).toString(32);
 	}
-	
+
 	public long getAutoAcceptFileSize() {
-		String config = this.xmppConnectionService.getPreferences().getString("auto_accept_file_size", "524288");
+		String config = this.xmppConnectionService.getPreferences().getString(
+				"auto_accept_file_size", "524288");
 		try {
 			return Long.parseLong(config);
 		} catch (NumberFormatException e) {
@@ -132,32 +141,35 @@ public class JingleConnectionManager {
 	public void deliverIbbPacket(Account account, IqPacket packet) {
 		String sid = null;
 		Element payload = null;
-		if (packet.hasChild("open","http://jabber.org/protocol/ibb")) {
-			payload = packet.findChild("open","http://jabber.org/protocol/ibb");
+		if (packet.hasChild("open", "http://jabber.org/protocol/ibb")) {
+			payload = packet
+					.findChild("open", "http://jabber.org/protocol/ibb");
 			sid = payload.getAttribute("sid");
-		} else if (packet.hasChild("data","http://jabber.org/protocol/ibb")) {
-			payload = packet.findChild("data","http://jabber.org/protocol/ibb");
+		} else if (packet.hasChild("data", "http://jabber.org/protocol/ibb")) {
+			payload = packet
+					.findChild("data", "http://jabber.org/protocol/ibb");
 			sid = payload.getAttribute("sid");
 		}
-		if (sid!=null) {
+		if (sid != null) {
 			for (JingleConnection connection : connections) {
 				if (connection.hasTransportId(sid)) {
 					JingleTransport transport = connection.getTransport();
 					if (transport instanceof JingleInbandTransport) {
 						JingleInbandTransport inbandTransport = (JingleInbandTransport) transport;
-						inbandTransport.deliverPayload(packet,payload);
+						inbandTransport.deliverPayload(packet, payload);
 						return;
 					}
 				}
 			}
-			Log.d("xmppService","couldnt deliver payload: "+payload.toString());
+			Log.d(Config.LOGTAG,
+					"couldnt deliver payload: " + payload.toString());
 		} else {
-			Log.d("xmppService","no sid found in incomming ibb packet");
+			Log.d(Config.LOGTAG, "no sid found in incomming ibb packet");
 		}
 	}
-	
+
 	public void cancelInTransmission() {
-		for(JingleConnection connection : this.connections) {
+		for (JingleConnection connection : this.connections) {
 			if (connection.getStatus() == JingleConnection.STATUS_TRANSMITTING) {
 				connection.cancel();
 			}
diff --git a/src/eu/siacs/conversations/xmpp/jingle/JingleFile.java b/src/eu/siacs/conversations/xmpp/jingle/JingleFile.java
index 3672351b..9253814b 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/JingleFile.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/JingleFile.java
@@ -5,60 +5,63 @@ import java.security.Key;
 
 import javax.crypto.spec.SecretKeySpec;
 
+import eu.siacs.conversations.Config;
 import eu.siacs.conversations.utils.CryptoHelper;
 import android.util.Log;
 
 public class JingleFile extends File {
-	
+
 	private static final long serialVersionUID = 2247012619505115863L;
-	
+
 	private long expectedSize = 0;
 	private String sha1sum;
 	private Key aeskey;
-	
+
 	public JingleFile(String path) {
 		super(path);
 	}
-	
+
 	public long getSize() {
 		return super.length();
 	}
-	
+
 	public long getExpectedSize() {
-		if (this.aeskey!=null) {
-			return (this.expectedSize/16 + 1) * 16;
+		if (this.aeskey != null) {
+			return (this.expectedSize / 16 + 1) * 16;
 		} else {
 			return this.expectedSize;
 		}
 	}
-	
+
 	public void setExpectedSize(long size) {
 		this.expectedSize = size;
 	}
-	
+
 	public String getSha1Sum() {
 		return this.sha1sum;
 	}
-	
+
 	public void setSha1Sum(String sum) {
 		this.sha1sum = sum;
 	}
-	
+
 	public void setKey(byte[] key) {
-		if (key.length>=32) {
+		if (key.length >= 32) {
 			byte[] secretKey = new byte[32];
 			System.arraycopy(key, 0, secretKey, 0, 32);
 			this.aeskey = new SecretKeySpec(secretKey, "AES");
-		} else if (key.length>=16) {
+		} else if (key.length >= 16) {
 			byte[] secretKey = new byte[16];
 			System.arraycopy(key, 0, secretKey, 0, 16);
 			this.aeskey = new SecretKeySpec(secretKey, "AES");
 		} else {
-			Log.d("xmppService","weird key");
+			Log.d(Config.LOGTAG, "weird key");
 		}
-		Log.d("xmppService","using aes key "+CryptoHelper.bytesToHex(this.aeskey.getEncoded()));
+		Log.d(Config.LOGTAG,
+				"using aes key "
+						+ CryptoHelper.bytesToHex(this.aeskey.getEncoded()));
 	}
-	
+
 	public Key getKey() {
 		return this.aeskey;
 	}
diff --git a/src/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java b/src/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java
index b859e7c7..331b53de 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java
@@ -32,7 +32,7 @@ public class JingleInbandTransport extends JingleTransport {
 	private OutputStream fileOutputStream;
 	private long remainingSize;
 	private MessageDigest digest;
-	
+
 	private OnFileTransmissionStatusChanged onFileTransmissionStatusChanged;
 
 	private OnIqPacketReceived onAckReceived = new OnIqPacketReceived() {
@@ -77,7 +77,8 @@ public class JingleInbandTransport extends JingleTransport {
 	}
 
 	@Override
-	public void receive(JingleFile file, OnFileTransmissionStatusChanged callback) {
+	public void receive(JingleFile file,
+			OnFileTransmissionStatusChanged callback) {
 		this.onFileTransmissionStatusChanged = callback;
 		this.file = file;
 		try {
@@ -86,7 +87,7 @@ public class JingleInbandTransport extends JingleTransport {
 			file.getParentFile().mkdirs();
 			file.createNewFile();
 			this.fileOutputStream = getOutputStream(file);
-			if (this.fileOutputStream==null) {
+			if (this.fileOutputStream == null) {
 				callback.onFileTransferAborted();
 				return;
 			}
@@ -106,7 +107,7 @@ public class JingleInbandTransport extends JingleTransport {
 			this.digest = MessageDigest.getInstance("SHA-1");
 			this.digest.reset();
 			fileInputStream = this.getInputStream(file);
-			if (fileInputStream==null) {
+			if (fileInputStream == null) {
 				callback.onFileTransferAborted();
 				return;
 			}
@@ -150,7 +151,8 @@ public class JingleInbandTransport extends JingleTransport {
 		try {
 			byte[] buffer = Base64.decode(data, Base64.NO_WRAP);
 			if (this.remainingSize < buffer.length) {
-				buffer = Arrays.copyOfRange(buffer, 0, (int) this.remainingSize);
+				buffer = Arrays
+						.copyOfRange(buffer, 0, (int) this.remainingSize);
 			}
 			this.remainingSize -= buffer.length;
 
diff --git a/src/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java b/src/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java
index d2c84325..e476decc 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java
@@ -21,7 +21,8 @@ public class JingleSocks5Transport extends JingleTransport {
 	private boolean activated = false;
 	protected Socket socket;
 
-	public JingleSocks5Transport(JingleConnection jingleConnection, JingleCandidate candidate) {
+	public JingleSocks5Transport(JingleConnection jingleConnection,
+			JingleCandidate candidate) {
 		this.candidate = candidate;
 		try {
 			MessageDigest mDigest = MessageDigest.getInstance("SHA-1");
@@ -44,11 +45,12 @@ public class JingleSocks5Transport extends JingleTransport {
 
 	public void connect(final OnTransportConnected callback) {
 		new Thread(new Runnable() {
-			
+
 			@Override
 			public void run() {
 				try {
-					socket = new Socket(candidate.getHost(), candidate.getPort());
+					socket = new Socket(candidate.getHost(),
+							candidate.getPort());
 					inputStream = socket.getInputStream();
 					outputStream = socket.getOutputStream();
 					byte[] login = { 0x05, 0x01, 0x00 };
@@ -57,8 +59,9 @@ public class JingleSocks5Transport extends JingleTransport {
 					outputStream.write(login);
 					inputStream.read(reply);
 					if (Arrays.equals(reply, expectedReply)) {
-						String connect = "" + '\u0005' + '\u0001' + '\u0000' + '\u0003'
-								+ '\u0028' + destination + '\u0000' + '\u0000';
+						String connect = "" + '\u0005' + '\u0001' + '\u0000'
+								+ '\u0003' + '\u0028' + destination + '\u0000'
+								+ '\u0000';
 						outputStream.write(connect.getBytes());
 						byte[] result = new byte[2];
 						inputStream.read(result);
@@ -80,12 +83,13 @@ public class JingleSocks5Transport extends JingleTransport {
 				}
 			}
 		}).start();
-		
+
 	}
 
-	public void send(final JingleFile file, final OnFileTransmissionStatusChanged callback) {
+	public void send(final JingleFile file,
+			final OnFileTransmissionStatusChanged callback) {
 		new Thread(new Runnable() {
-			
+
 			@Override
 			public void run() {
 				InputStream fileInputStream = null;
@@ -93,7 +97,7 @@ public class JingleSocks5Transport extends JingleTransport {
 					MessageDigest digest = MessageDigest.getInstance("SHA-1");
 					digest.reset();
 					fileInputStream = getInputStream(file);
-					if (fileInputStream==null) {
+					if (fileInputStream == null) {
 						callback.onFileTransferAborted();
 						return;
 					}
@@ -105,7 +109,7 @@ public class JingleSocks5Transport extends JingleTransport {
 					}
 					outputStream.flush();
 					file.setSha1Sum(CryptoHelper.bytesToHex(digest.digest()));
-					if (callback!=null) {
+					if (callback != null) {
 						callback.onFileTransmitted(file);
 					}
 				} catch (FileNotFoundException e) {
@@ -125,12 +129,13 @@ public class JingleSocks5Transport extends JingleTransport {
 				}
 			}
 		}).start();
-		
+
 	}
-	
-	public void receive(final JingleFile file, final OnFileTransmissionStatusChanged callback) {
+
+	public void receive(final JingleFile file,
+			final OnFileTransmissionStatusChanged callback) {
 		new Thread(new Runnable() {
-			
+
 			@Override
 			public void run() {
 				try {
@@ -141,22 +146,22 @@ public class JingleSocks5Transport extends JingleTransport {
 					file.getParentFile().mkdirs();
 					file.createNewFile();
 					OutputStream fileOutputStream = getOutputStream(file);
-					if (fileOutputStream==null) {
+					if (fileOutputStream == null) {
 						callback.onFileTransferAborted();
 						return;
 					}
 					long remainingSize = file.getExpectedSize();
 					byte[] buffer = new byte[8192];
 					int count = buffer.length;
-					while(remainingSize > 0) {
+					while (remainingSize > 0) {
 						count = inputStream.read(buffer);
-						if (count==-1) {
+						if (count == -1) {
 							callback.onFileTransferAborted();
 							return;
 						} else {
 							fileOutputStream.write(buffer, 0, count);
 							digest.update(buffer, 0, count);
-							remainingSize-=count;
+							remainingSize -= count;
 						}
 					}
 					fileOutputStream.flush();
@@ -177,25 +182,25 @@ public class JingleSocks5Transport extends JingleTransport {
 	public boolean isProxy() {
 		return this.candidate.getType() == JingleCandidate.TYPE_PROXY;
 	}
-	
+
 	public boolean needsActivation() {
 		return (this.isProxy() && !this.activated);
 	}
 
 	public void disconnect() {
-		if (this.socket!=null) {
+		if (this.socket != null) {
 			try {
 				this.socket.close();
 			} catch (IOException e) {
-				
+
 			}
 		}
 	}
-	
+
 	public boolean isEstablished() {
 		return this.isEstablished;
 	}
-	
+
 	public JingleCandidate getCandidate() {
 		return this.candidate;
 	}
diff --git a/src/eu/siacs/conversations/xmpp/jingle/JingleTransport.java b/src/eu/siacs/conversations/xmpp/jingle/JingleTransport.java
index 1acdfc39..07dc8ecc 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/JingleTransport.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/JingleTransport.java
@@ -15,61 +15,72 @@ import javax.crypto.CipherInputStream;
 import javax.crypto.NoSuchPaddingException;
 import javax.crypto.spec.IvParameterSpec;
 
+import eu.siacs.conversations.Config;
+
 import android.util.Log;
 
 public abstract class JingleTransport {
 	public abstract void connect(final OnTransportConnected callback);
-	public abstract void receive(final JingleFile file, final OnFileTransmissionStatusChanged callback);
-	public abstract void send(final JingleFile file, final OnFileTransmissionStatusChanged callback);
-	private byte[] iv = {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0xf};
-	
-	protected InputStream getInputStream(JingleFile file) throws FileNotFoundException {
+
+	public abstract void receive(final JingleFile file,
+			final OnFileTransmissionStatusChanged callback);
+
+	public abstract void send(final JingleFile file,
+			final OnFileTransmissionStatusChanged callback);
+
+	private byte[] iv = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
+			0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0xf };
+
+	protected InputStream getInputStream(JingleFile file)
+			throws FileNotFoundException {
 		if (file.getKey() == null) {
 			return new FileInputStream(file);
 		} else {
 			try {
 				IvParameterSpec ips = new IvParameterSpec(iv);
 				Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
-				cipher.init(Cipher.ENCRYPT_MODE, file.getKey(),ips);
-				Log.d("xmppService","opening encrypted input stream");
+				cipher.init(Cipher.ENCRYPT_MODE, file.getKey(), ips);
+				Log.d(Config.LOGTAG, "opening encrypted input stream");
 				return new CipherInputStream(new FileInputStream(file), cipher);
 			} catch (NoSuchAlgorithmException e) {
-				Log.d("xmppService","no such algo: "+e.getMessage());
+				Log.d(Config.LOGTAG, "no such algo: " + e.getMessage());
 				return null;
 			} catch (NoSuchPaddingException e) {
-				Log.d("xmppService","no such padding: "+e.getMessage());
+				Log.d(Config.LOGTAG, "no such padding: " + e.getMessage());
 				return null;
 			} catch (InvalidKeyException e) {
-				Log.d("xmppService","invalid key: "+e.getMessage());
+				Log.d(Config.LOGTAG, "invalid key: " + e.getMessage());
 				return null;
 			} catch (InvalidAlgorithmParameterException e) {
-				Log.d("xmppService","invavid iv:"+e.getMessage());
+				Log.d(Config.LOGTAG, "invavid iv:" + e.getMessage());
 				return null;
 			}
 		}
 	}
-	
-	protected OutputStream getOutputStream(JingleFile file) throws FileNotFoundException {
+
+	protected OutputStream getOutputStream(JingleFile file)
+			throws FileNotFoundException {
 		if (file.getKey() == null) {
 			return new FileOutputStream(file);
 		} else {
 			try {
 				IvParameterSpec ips = new IvParameterSpec(iv);
 				Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
-				cipher.init(Cipher.DECRYPT_MODE, file.getKey(),ips);
-				Log.d("xmppService","opening encrypted output stream");
-				return new CipherOutputStream(new FileOutputStream(file), cipher);
+				cipher.init(Cipher.DECRYPT_MODE, file.getKey(), ips);
+				Log.d(Config.LOGTAG, "opening encrypted output stream");
+				return new CipherOutputStream(new FileOutputStream(file),
+						cipher);
 			} catch (NoSuchAlgorithmException e) {
-				Log.d("xmppService","no such algo: "+e.getMessage());
+				Log.d(Config.LOGTAG, "no such algo: " + e.getMessage());
 				return null;
 			} catch (NoSuchPaddingException e) {
-				Log.d("xmppService","no such padding: "+e.getMessage());
+				Log.d(Config.LOGTAG, "no such padding: " + e.getMessage());
 				return null;
 			} catch (InvalidKeyException e) {
-				Log.d("xmppService","invalid key: "+e.getMessage());
+				Log.d(Config.LOGTAG, "invalid key: " + e.getMessage());
 				return null;
 			} catch (InvalidAlgorithmParameterException e) {
-				Log.d("xmppService","invavid iv:"+e.getMessage());
+				Log.d(Config.LOGTAG, "invavid iv:" + e.getMessage());
 				return null;
 			}
 		}
diff --git a/src/eu/siacs/conversations/xmpp/jingle/OnFileTransmissionStatusChanged.java b/src/eu/siacs/conversations/xmpp/jingle/OnFileTransmissionStatusChanged.java
index 84f10417..19fd4d97 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/OnFileTransmissionStatusChanged.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/OnFileTransmissionStatusChanged.java
@@ -2,5 +2,6 @@ package eu.siacs.conversations.xmpp.jingle;
 
 public interface OnFileTransmissionStatusChanged {
 	public void onFileTransmitted(JingleFile file);
+
 	public void onFileTransferAborted();
 }
diff --git a/src/eu/siacs/conversations/xmpp/jingle/OnPrimaryCandidateFound.java b/src/eu/siacs/conversations/xmpp/jingle/OnPrimaryCandidateFound.java
index b91a90ff..03a437b2 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/OnPrimaryCandidateFound.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/OnPrimaryCandidateFound.java
@@ -1,5 +1,6 @@
 package eu.siacs.conversations.xmpp.jingle;
 
 public interface OnPrimaryCandidateFound {
-	public void onPrimaryCandidateFound(boolean success, JingleCandidate canditate);
+	public void onPrimaryCandidateFound(boolean success,
+			JingleCandidate canditate);
 }
diff --git a/src/eu/siacs/conversations/xmpp/jingle/OnTransportConnected.java b/src/eu/siacs/conversations/xmpp/jingle/OnTransportConnected.java
index 7d9a084a..38f03c5d 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/OnTransportConnected.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/OnTransportConnected.java
@@ -2,5 +2,6 @@ package eu.siacs.conversations.xmpp.jingle;
 
 public interface OnTransportConnected {
 	public void failed();
+
 	public void established();
 }
diff --git a/src/eu/siacs/conversations/xmpp/jingle/stanzas/Content.java b/src/eu/siacs/conversations/xmpp/jingle/stanzas/Content.java
index 494ff0d6..1e8e3fd6 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/stanzas/Content.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/stanzas/Content.java
@@ -4,17 +4,17 @@ import eu.siacs.conversations.xml.Element;
 import eu.siacs.conversations.xmpp.jingle.JingleFile;
 
 public class Content extends Element {
-	
+
 	private String transportId;
-	
+
 	private Content(String name) {
 		super(name);
 	}
-	
+
 	public Content() {
 		super("content");
 	}
-	
+
 	public Content(String creator, String name) {
 		super("content");
 		this.setAttribute("creator", creator);
@@ -24,39 +24,43 @@ public class Content extends Element {
 	public void setTransportId(String sid) {
 		this.transportId = sid;
 	}
-	
+
 	public void setFileOffer(JingleFile actualFile, boolean otr) {
-		Element description = this.addChild("description", "urn:xmpp:jingle:apps:file-transfer:3");
+		Element description = this.addChild("description",
+				"urn:xmpp:jingle:apps:file-transfer:3");
 		Element offer = description.addChild("offer");
 		Element file = offer.addChild("file");
-		file.addChild("size").setContent(""+actualFile.getSize());
+		file.addChild("size").setContent("" + actualFile.getSize());
 		if (otr) {
-			file.addChild("name").setContent(actualFile.getName()+".otr");
+			file.addChild("name").setContent(actualFile.getName() + ".otr");
 		} else {
 			file.addChild("name").setContent(actualFile.getName());
 		}
 	}
-	
+
 	public Element getFileOffer() {
-		Element description = this.findChild("description", "urn:xmpp:jingle:apps:file-transfer:3");
-		if (description==null) {
+		Element description = this.findChild("description",
+				"urn:xmpp:jingle:apps:file-transfer:3");
+		if (description == null) {
 			return null;
 		}
 		Element offer = description.findChild("offer");
-		if (offer==null) {
+		if (offer == null) {
 			return null;
 		}
 		return offer.findChild("file");
 	}
-	
+
 	public void setFileOffer(Element fileOffer) {
-		Element description = this.findChild("description", "urn:xmpp:jingle:apps:file-transfer:3");
-		if (description==null) {
-			description = this.addChild("description", "urn:xmpp:jingle:apps:file-transfer:3");
+		Element description = this.findChild("description",
+				"urn:xmpp:jingle:apps:file-transfer:3");
+		if (description == null) {
+			description = this.addChild("description",
+					"urn:xmpp:jingle:apps:file-transfer:3");
 		}
 		description.addChild(fileOffer);
 	}
-	
+
 	public String getTransportId() {
 		if (hasSocks5Transport()) {
 			this.transportId = socks5transport().getAttribute("sid");
@@ -65,30 +69,34 @@ public class Content extends Element {
 		}
 		return this.transportId;
 	}
-	
+
 	public Element socks5transport() {
-		Element transport = this.findChild("transport", "urn:xmpp:jingle:transports:s5b:1");
-		if (transport==null) {
-			transport = this.addChild("transport", "urn:xmpp:jingle:transports:s5b:1");
+		Element transport = this.findChild("transport",
+				"urn:xmpp:jingle:transports:s5b:1");
+		if (transport == null) {
+			transport = this.addChild("transport",
+					"urn:xmpp:jingle:transports:s5b:1");
 			transport.setAttribute("sid", this.transportId);
 		}
 		return transport;
 	}
-	
+
 	public Element ibbTransport() {
-		Element transport = this.findChild("transport", "urn:xmpp:jingle:transports:ibb:1");
-		if (transport==null) {
-			transport = this.addChild("transport", "urn:xmpp:jingle:transports:ibb:1");
+		Element transport = this.findChild("transport",
+				"urn:xmpp:jingle:transports:ibb:1");
+		if (transport == null) {
+			transport = this.addChild("transport",
+					"urn:xmpp:jingle:transports:ibb:1");
 			transport.setAttribute("sid", this.transportId);
 		}
 		return transport;
 	}
-	
+
 	public boolean hasSocks5Transport() {
 		return this.hasChild("transport", "urn:xmpp:jingle:transports:s5b:1");
 	}
-	
+
 	public boolean hasIbbTransport() {
-		return this.hasChild("transport","urn:xmpp:jingle:transports:ibb:1");
+		return this.hasChild("transport", "urn:xmpp:jingle:transports:ibb:1");
 	}
 }
diff --git a/src/eu/siacs/conversations/xmpp/jingle/stanzas/JinglePacket.java b/src/eu/siacs/conversations/xmpp/jingle/stanzas/JinglePacket.java
index 55700609..77a73643 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/stanzas/JinglePacket.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/stanzas/JinglePacket.java
@@ -7,18 +7,18 @@ public class JinglePacket extends IqPacket {
 	Content content = null;
 	Reason reason = null;
 	Element jingle = new Element("jingle");
-	
+
 	@Override
 	public Element addChild(Element child) {
 		if ("jingle".equals(child.getName())) {
 			Element contentElement = child.findChild("content");
-			if (contentElement!=null) {
+			if (contentElement != null) {
 				this.content = new Content();
 				this.content.setChildren(contentElement.getChildren());
 				this.content.setAttributes(contentElement.getAttributes());
 			}
 			Element reasonElement = child.findChild("reason");
-			if (reasonElement!=null) {
+			if (reasonElement != null) {
 				this.reason = new Reason();
 				this.reason.setChildren(reasonElement.getChildren());
 				this.reason.setAttributes(reasonElement.getAttributes());
@@ -27,33 +27,33 @@ public class JinglePacket extends IqPacket {
 		}
 		return child;
 	}
-	
+
 	public JinglePacket setContent(Content content) {
 		this.content = content;
 		return this;
 	}
-	
+
 	public Content getJingleContent() {
-		if (this.content==null) {
+		if (this.content == null) {
 			this.content = new Content();
 		}
 		return this.content;
 	}
-	
+
 	public JinglePacket setReason(Reason reason) {
 		this.reason = reason;
 		return this;
 	}
-	
+
 	public Reason getReason() {
 		return this.reason;
 	}
-	
+
 	private void build() {
 		this.children.clear();
 		this.jingle.clearChildren();
 		this.jingle.setAttribute("xmlns", "urn:xmpp:jingle:1");
-		if (this.content!=null) {
+		if (this.content != null) {
 			jingle.addChild(this.content);
 		}
 		if (this.reason != null) {
@@ -66,11 +66,11 @@ public class JinglePacket extends IqPacket {
 	public String getSessionId() {
 		return this.jingle.getAttribute("sid");
 	}
-	
+
 	public void setSessionId(String sid) {
 		this.jingle.setAttribute("sid", sid);
 	}
-	
+
 	@Override
 	public String toString() {
 		this.build();
@@ -80,11 +80,11 @@ public class JinglePacket extends IqPacket {
 	public void setAction(String action) {
 		this.jingle.setAttribute("action", action);
 	}
-	
+
 	public String getAction() {
 		return this.jingle.getAttribute("action");
 	}
-	
+
 	public void setInitiator(String initiator) {
 		this.jingle.setAttribute("initiator", initiator);
 	}
diff --git a/src/eu/siacs/conversations/xmpp/jingle/stanzas/Reason.java b/src/eu/siacs/conversations/xmpp/jingle/stanzas/Reason.java
index 195e0db7..610d5e76 100644
--- a/src/eu/siacs/conversations/xmpp/jingle/stanzas/Reason.java
+++ b/src/eu/siacs/conversations/xmpp/jingle/stanzas/Reason.java
@@ -6,7 +6,7 @@ public class Reason extends Element {
 	private Reason(String name) {
 		super(name);
 	}
-	
+
 	public Reason() {
 		super("reason");
 	}
diff --git a/src/eu/siacs/conversations/xmpp/pep/Avatar.java b/src/eu/siacs/conversations/xmpp/pep/Avatar.java
index 6d5c1431..154fadf6 100644
--- a/src/eu/siacs/conversations/xmpp/pep/Avatar.java
+++ b/src/eu/siacs/conversations/xmpp/pep/Avatar.java
@@ -11,48 +11,51 @@ public class Avatar {
 	public int width;
 	public long size;
 	public String owner;
+
 	public byte[] getImageAsBytes() {
 		return Base64.decode(image, Base64.DEFAULT);
 	}
+
 	public String getFilename() {
-		if (type==null) {
+		if (type == null) {
 			return sha1sum;
 		} else if (type.equalsIgnoreCase("image/webp")) {
-			return sha1sum+".webp";
+			return sha1sum + ".webp";
 		} else if (type.equalsIgnoreCase("image/png")) {
-			return sha1sum+".png";
+			return sha1sum + ".png";
 		} else {
 			return sha1sum;
 		}
 	}
-	
+
 	public static Avatar parseMetadata(Element items) {
 		Element item = items.findChild("item");
-		if (item==null) {
+		if (item == null) {
 			return null;
 		}
 		Element metadata = item.findChild("metadata");
-		if (metadata==null) {
+		if (metadata == null) {
 			return null;
 		}
 		String primaryId = item.getAttribute("id");
-		if (primaryId==null) {
+		if (primaryId == null) {
 			return null;
 		}
-		for(Element child : metadata.getChildren()) {
-			if (child.getName().equals("info") && primaryId.equals(child.getAttribute("id"))) {
+		for (Element child : metadata.getChildren()) {
+			if (child.getName().equals("info")
+					&& primaryId.equals(child.getAttribute("id"))) {
 				Avatar avatar = new Avatar();
 				String height = child.getAttribute("height");
 				String width = child.getAttribute("width");
 				String size = child.getAttribute("bytes");
 				try {
-					if (height!=null) {
+					if (height != null) {
 						avatar.height = Integer.parseInt(height);
 					}
-					if (width!=null) {
+					if (width != null) {
 						avatar.width = Integer.parseInt(width);
 					}
-					if (size!=null) {
+					if (size != null) {
 						avatar.size = Long.parseLong(size);
 					}
 				} catch (NumberFormatException e) {
diff --git a/src/eu/siacs/conversations/xmpp/stanzas/AbstractStanza.java b/src/eu/siacs/conversations/xmpp/stanzas/AbstractStanza.java
index 204a6bec..eef41c79 100644
--- a/src/eu/siacs/conversations/xmpp/stanzas/AbstractStanza.java
+++ b/src/eu/siacs/conversations/xmpp/stanzas/AbstractStanza.java
@@ -15,20 +15,20 @@ public class AbstractStanza extends Element {
 	public String getFrom() {
 		return getAttribute("from");
 	}
-	
+
 	public String getId() {
 		return this.getAttribute("id");
 	}
-	
+
 	public void setTo(String to) {
 		setAttribute("to", to);
 	}
-	
+
 	public void setFrom(String from) {
-		setAttribute("from",from);
+		setAttribute("from", from);
 	}
-	
+
 	public void setId(String id) {
-		setAttribute("id",id);
+		setAttribute("id", id);
 	}
 }
diff --git a/src/eu/siacs/conversations/xmpp/stanzas/IqPacket.java b/src/eu/siacs/conversations/xmpp/stanzas/IqPacket.java
index 1d4e44d1..9df05e67 100644
--- a/src/eu/siacs/conversations/xmpp/stanzas/IqPacket.java
+++ b/src/eu/siacs/conversations/xmpp/stanzas/IqPacket.java
@@ -2,9 +2,8 @@ package eu.siacs.conversations.xmpp.stanzas;
 
 import eu.siacs.conversations.xml.Element;
 
-
 public class IqPacket extends AbstractStanza {
-	
+
 	public static final int TYPE_ERROR = -1;
 	public static final int TYPE_SET = 0;
 	public static final int TYPE_RESULT = 1;
@@ -33,25 +32,25 @@ public class IqPacket extends AbstractStanza {
 			break;
 		}
 	}
-	
+
 	public IqPacket() {
 		super("iq");
 	}
-	
+
 	public Element query() {
 		Element query = findChild("query");
-		if (query==null) {
+		if (query == null) {
 			query = addChild("query");
 		}
 		return query;
 	}
-	
+
 	public Element query(String xmlns) {
 		Element query = query();
 		query.setAttribute("xmlns", xmlns);
 		return query();
 	}
-	
+
 	public int getType() {
 		String type = getAttribute("type");
 		if ("error".equals(type)) {
@@ -66,7 +65,7 @@ public class IqPacket extends AbstractStanza {
 			return 1000;
 		}
 	}
-	
+
 	public IqPacket generateRespone(int type) {
 		IqPacket packet = new IqPacket(type);
 		packet.setTo(this.getFrom());
diff --git a/src/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java b/src/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java
index 433b08c9..386d9dc8 100644
--- a/src/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java
+++ b/src/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java
@@ -9,20 +9,20 @@ public class MessagePacket extends AbstractStanza {
 	public static final int TYPE_GROUPCHAT = 3;
 	public static final int TYPE_ERROR = 4;
 	public static final int TYPE_HEADLINE = 5;
-	
+
 	public MessagePacket() {
 		super("message");
 	}
-	
+
 	public String getBody() {
 		Element body = this.findChild("body");
-		if (body!=null) {
+		if (body != null) {
 			return body.getContent();
 		} else {
 			return null;
 		}
 	}
-	
+
 	public void setBody(String text) {
 		this.children.remove(findChild("body"));
 		Element body = new Element("body");
@@ -33,7 +33,7 @@ public class MessagePacket extends AbstractStanza {
 	public void setType(int type) {
 		switch (type) {
 		case TYPE_CHAT:
-			this.setAttribute("type","chat");
+			this.setAttribute("type", "chat");
 			break;
 		case TYPE_GROUPCHAT:
 			this.setAttribute("type", "groupchat");
@@ -43,14 +43,14 @@ public class MessagePacket extends AbstractStanza {
 		case TYPE_NORMAL:
 			break;
 		default:
-			this.setAttribute("type","chat");
+			this.setAttribute("type", "chat");
 			break;
 		}
 	}
-	
+
 	public int getType() {
 		String type = getAttribute("type");
-		if (type==null) {
+		if (type == null) {
 			return TYPE_NORMAL;
 		} else if (type.equals("normal")) {
 			return TYPE_NORMAL;
diff --git a/src/eu/siacs/conversations/xmpp/stanzas/PresencePacket.java b/src/eu/siacs/conversations/xmpp/stanzas/PresencePacket.java
index dfbab78c..7ea32099 100644
--- a/src/eu/siacs/conversations/xmpp/stanzas/PresencePacket.java
+++ b/src/eu/siacs/conversations/xmpp/stanzas/PresencePacket.java
@@ -1,8 +1,7 @@
 package eu.siacs.conversations.xmpp.stanzas;
 
-
 public class PresencePacket extends AbstractStanza {
-	
+
 	public PresencePacket() {
 		super("presence");
 	}
diff --git a/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/AckPacket.java b/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/AckPacket.java
index 6fe3ea2b..c936891c 100644
--- a/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/AckPacket.java
+++ b/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/AckPacket.java
@@ -6,8 +6,8 @@ public class AckPacket extends AbstractStanza {
 
 	public AckPacket(int sequence, int smVersion) {
 		super("a");
-		this.setAttribute("xmlns","urn:xmpp:sm:"+smVersion);
-		this.setAttribute("h", ""+sequence);
+		this.setAttribute("xmlns", "urn:xmpp:sm:" + smVersion);
+		this.setAttribute("h", "" + sequence);
 	}
 
 }
diff --git a/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/EnablePacket.java b/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/EnablePacket.java
index 0ca7a4fd..78cd81ed 100644
--- a/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/EnablePacket.java
+++ b/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/EnablePacket.java
@@ -6,7 +6,7 @@ public class EnablePacket extends AbstractStanza {
 
 	public EnablePacket(int smVersion) {
 		super("enable");
-		this.setAttribute("xmlns","urn:xmpp:sm:"+smVersion);
+		this.setAttribute("xmlns", "urn:xmpp:sm:" + smVersion);
 		this.setAttribute("resume", "true");
 	}
 
diff --git a/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/RequestPacket.java b/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/RequestPacket.java
index d42ae9b0..98cfc748 100644
--- a/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/RequestPacket.java
+++ b/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/RequestPacket.java
@@ -6,7 +6,7 @@ public class RequestPacket extends AbstractStanza {
 
 	public RequestPacket(int smVersion) {
 		super("r");
-		this.setAttribute("xmlns","urn:xmpp:sm:"+smVersion);
+		this.setAttribute("xmlns", "urn:xmpp:sm:" + smVersion);
 	}
 
 }
diff --git a/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/ResumePacket.java b/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/ResumePacket.java
index dcf32101..df039d5a 100644
--- a/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/ResumePacket.java
+++ b/src/eu/siacs/conversations/xmpp/stanzas/streammgmt/ResumePacket.java
@@ -6,9 +6,9 @@ public class ResumePacket extends AbstractStanza {
 
 	public ResumePacket(String id, int sequence, int smVersion) {
 		super("resume");
-		this.setAttribute("xmlns","urn:xmpp:sm:"+smVersion);
+		this.setAttribute("xmlns", "urn:xmpp:sm:" + smVersion);
 		this.setAttribute("previd", id);
-		this.setAttribute("h", ""+sequence);
+		this.setAttribute("h", "" + sequence);
 	}
 
 }