1 package net.java.otr4j;

     2 

     3 import java.security.KeyPair;

     4 import java.security.KeyPairGenerator;

     5 import java.security.NoSuchAlgorithmException;

     6 import java.util.ArrayList;

     7 

     8 import net.java.otr4j.crypto.KeyAndSession;

     9 import net.java.otr4j.session.SessionID;

    10 

    11 import com.beem.project.beem.service.ChatAdapter;

    12 

    13 

    14 public class OtrEngineHostImpl implements OtrEngineHost{

    15 	

    16 	private ChatAdapter mChat;

    17 	private OtrPolicy policy;

    18     public String lastInjectedMessage;

    19     private ArrayList<KeyAndSession> keyring = new ArrayList<KeyAndSession>();

    20     

    21 	public OtrEngineHostImpl(ChatAdapter chat, OtrPolicy policy){

    22 		mChat = chat;

    23 		this.policy = policy;

    24 	}

    25 	

    26 	@Override

    27 	public KeyPair getKeyPair(SessionID sessionID) {

    28 		 

    29 		for(int i = 0; i<keyring.size(); i++){

    30 			if(sessionID.equals(keyring.get(i).getSessionID())){

    31 				return keyring.get(i).getKeyPair();

    32 			}

    33 		}

    34 		

    35 		 KeyPairGenerator kg;

    36          try {

    37                  kg = KeyPairGenerator.getInstance("DSA");

    38 

    39          } catch (NoSuchAlgorithmException e) {

    40                  e.printStackTrace();

    41                  return null;

    42          }

    43          KeyAndSession kp = new KeyAndSession(kg.genKeyPair(), sessionID);

    44          keyring.add(kp);

    45          return kp.getKeyPair();

    46 	}

    47 

    48 	@Override

    49 	public OtrPolicy getSessionPolicy(SessionID sessionID) {

    50 		return this.policy;

    51 	}

    52 

    53 	@Override

    54 	public void injectMessage(SessionID sessionID, String msg) {

    55 		mChat.sendMessage(msg);

    56 	}

    57 

    58 	@Override

    59 	public void showError(SessionID sessionID, String error) {

    60 	//	mChat.otrStatusDisplay.setText(""+error);		

    61 	}

    62 

    63 	@Override

    64 	public void showWarning(SessionID sessionID, String warning) {

    65 		//mChat.otrStatusDisplay.setText(""+warning);

    66 	}

    67 

    68 }