diff options
Diffstat (limited to 'mobileapp/src/smoots/udesign/packet/.svn/text-base/ServerToClientPacket.java.svn-base')
| -rwxr-xr-x | mobileapp/src/smoots/udesign/packet/.svn/text-base/ServerToClientPacket.java.svn-base | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/mobileapp/src/smoots/udesign/packet/.svn/text-base/ServerToClientPacket.java.svn-base b/mobileapp/src/smoots/udesign/packet/.svn/text-base/ServerToClientPacket.java.svn-base new file mode 100755 index 0000000..f391298 --- /dev/null +++ b/mobileapp/src/smoots/udesign/packet/.svn/text-base/ServerToClientPacket.java.svn-base @@ -0,0 +1,222 @@ +package packet;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import library.User;
+
+/**
+ * Server to Client Packet data type including parser and toText converters.
+ * @author seojin
+ *
+ */
+public class ServerToClientPacket implements Packet{
+
+ /* -----------PROTOCOL-------------
+ Server to client
+ Packet ::= AdministrativePacket | ConversationalPacket
+ AdministrativePacket ::= acceptLogin | wholeUserList
+ acceptLogin ::= clientID
+ wholeUserList ::= (user \n)*
+ ConversationalPacket ::= ConversationID \t actionType \t clientID \n (Message | screenName | userList)?
+ actionType ::= OthersJoinConversation | OthersExitConversation | sendMessage | Invitation | participantList | screenNameChange
+ userList ::= (user \n)*
+ user ::= clientID \t screenName
+ **clientID specifies who's source of event.
+ **screenNameChange is followed by screenName
+ **userList comes after Invitation.
+ */
+
+ /**
+ * Class for Administrative type packet in Server to Client Packet
+ */
+ public static class Admin extends ServerToClientPacket{
+ /**
+ * Class for AcceptLogin packet.
+ */
+ public static class AcceptLogin extends Admin{
+ public final int clientID;
+ /**
+ * Constructor for AcceptLogin.
+ * @param clientID newly assigned clientID for this user.
+ */
+ public AcceptLogin(int clientID){
+ this.clientID = clientID;
+ }
+ }
+ /**
+ * Class for WholeUserList packet
+ */
+ public static class WholeUserList extends Admin{
+ public final List<User> userList;
+ /**
+ * Constructor for WholeUserList.
+ * @param userList total online user list.
+ */
+ public WholeUserList(List<User> userList){
+ this.userList = Collections.unmodifiableList(userList);
+ }
+ }
+ }
+
+ /**
+ * Class for Conversational type packet in Server to Client Packet
+ * @author seojin
+ */
+ public static class Conv extends ServerToClientPacket{
+ public final int conversationID;
+ public final SCActionType action;
+ public final int senderID;
+ public final String message;
+ public final String screenName;
+ public final List<User> userList;
+ /**
+ * Constructor for Conv packet
+ * @param conversationID conversationID this conversation has.
+ * @param action action type of this packet
+ * @param senderID client ID of creator of action of this packet.
+ * @param messageOrScreenName Can be message or screenName according to action type.
+ * @param isMessageNotScreenName assign true if messageOrScreenName is message not screenName.
+ */
+ public Conv(int conversationID, SCActionType action, int senderID, String messageOrScreenName, boolean isMessageNotScreenName){
+ this.conversationID = conversationID;
+ this.action = action;
+ this.senderID = senderID;
+ if (isMessageNotScreenName){
+ this.message = messageOrScreenName;
+ this.screenName = null;
+ }else{
+ this.message = null;
+ this.screenName = messageOrScreenName;
+ }
+ this.userList = null;
+ }
+ /**
+ * Constructor for Conv packet
+ * @param conversationID conversationID this conversation has.
+ * @param action action type of this packet (suggested for invitation)
+ * @param senderID client ID of creator of action of this packet.
+ * @param userList list of users in conversation.
+ */
+ public Conv(int conversationID, SCActionType action, int senderID, List<User> userList){
+ this.conversationID = conversationID;
+ this.action = action;
+ this.senderID = senderID;
+ this.message = null;
+ this.screenName = null;
+ this.userList = userList;
+ }
+ }
+
+ /**
+ * returns ServerToClientPacket.Admin.AcceptLogin | ServerToClientPacket.Admin.WholeUserList | ServerToClientPacket.Conv
+ * You may use instanceof to figure out which one is right.
+ * @param textFormat raw text of packet from socket.
+ */
+ public static ServerToClientPacket parsePacket(String textFormat) {
+ String[] lines = textFormat.split("\n");
+ int nLine = Integer.parseInt(lines[0]);
+ String[] token = lines[1].split("\t");
+ if(token[0].equals("Admin.AcceptLogin")){
+ Admin res;
+ int clientID = Integer.parseInt(token[1]);
+ res = new Admin.AcceptLogin(clientID);
+ return res;
+ }else if(token[0].equals("Admin.WholeUserList")){
+ Admin res;
+ List<User> ulist = new ArrayList<User>();
+ for(int i = 2; i < nLine; i++){
+ String[] userToken = lines[i].split("\t");
+ ulist.add(new User(Integer.parseInt(userToken[0]), userToken[1]));
+ }
+ res = new Admin.WholeUserList(ulist);
+ return res;
+ }
+ else if(token[0].equals("Conv")){
+ Conv res = null;
+ int conversationID = Integer.parseInt(token[1]);
+ SCActionType action = SCActionType.valueOf(token[2]);
+ int senderID = Integer.parseInt(token[3]);
+ if(action == SCActionType.Invitation || action == SCActionType.participantList ){
+ List<User> ulist = new ArrayList<User>();
+ for(int i = 2; i < nLine; i++){
+ String[] userToken = lines[i].split("\t");
+ ulist.add(new User(Integer.parseInt(userToken[0]), userToken[1]));
+ }
+ res = new Conv(conversationID, action, senderID, ulist);
+ }else if(action == SCActionType.screenNameChange || action == SCActionType.OthersJoinConversation ||action == SCActionType.OthersExitConversation){
+ String screenName = lines[2];
+ res = new Conv(conversationID, action, senderID, screenName, false);
+ }else if(action == SCActionType.sendMessage){
+ String message = lines[2];
+ for(int i = 3; i < nLine; i++){
+ message += "\n" + lines[i];
+ }
+ res = new Conv(conversationID, action, senderID, message, true);
+ }
+ return res;
+ }
+ return null;
+ }
+
+ /**
+ * Count newline characters.
+ * @param s string to count newline character.
+ * @return number of newline characters in string s
+ */
+ private static int countNewline(String s){
+ int count = 0;
+ for(int i = 0; i < s.length(); i++){
+ if(s.charAt(i) == '\n')
+ count++;
+ }
+ return count;
+ }
+
+ @Override
+ public String packetToText() {
+ String res = "";
+ int nLine = 1;
+ if (this instanceof Admin){
+ if(this instanceof Admin.AcceptLogin){
+ Admin.AcceptLogin p = (Admin.AcceptLogin) this;
+ res += "Admin.AcceptLogin\t";
+ res += p.clientID + "\n";
+ nLine += 1;
+ }else if(this instanceof Admin.WholeUserList){
+ Admin.WholeUserList p = (Admin.WholeUserList) this;
+ res += "Admin.WholeUserList\n";
+ nLine += 1;
+ for (User u : p.userList){
+ res += u.ID + "\t" + u.getScreenName() + "\n";
+ nLine += 1;
+ }
+ }
+ }
+ else if(this instanceof Conv){
+ Conv p = (Conv) this;
+ res += "Conv\t";
+ res += p.conversationID + "\t";
+ res += p.action + "\t";
+ res += p.senderID + "\n";
+ nLine += 1;
+ if(p.action == SCActionType.Invitation || p.action == SCActionType.participantList){
+ for (User u : p.userList){
+ res += u.ID + "\t" + u.getScreenName() + "\n";
+ nLine += 1;
+ }
+ }else if(p.action == SCActionType.screenNameChange || p.action == SCActionType.OthersJoinConversation ||p.action == SCActionType.OthersExitConversation){
+ assert p.screenName != null;
+ res += p.screenName + "\n";
+ nLine += 1;
+ }else if(p.action == SCActionType.sendMessage){
+ res += p.message + "\n";
+ nLine += countNewline(p.message) + 1;
+ }
+ }
+ res = nLine + "\n" + res;
+ System.out.print(res);
+ return res;
+ }
+}
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