Web service call for iOS development

The following changes are declared in the. h file:

Nsmutabledata * webdata;
Nsmutablestring * soapreply;
Nsurlconnection * conn;

Nsxmlparser * xmlparser;
Bool elementfound;

The following are implemented in. M.

// Validate user ID and password by Web Service
-(Void) loginvalidate {

// [Self loginvalidate];
Myimeicode = @ "03 600274 150967 3 ";
Accesskey = @ "null ";

Nsstring * tstimei = myimeicode;
Nsstring * userstring = @ "null ";

If ([userid. Text isequaltostring: @ "iosappsvisitor"]) {
Userstring = @ "domain \ General ";
}
Else {
Userstring = userid. text;
}

Nsarray * userarray = [userstring componentsseparatedbystring: @ "\"];
Nsstring * useridonly = [userarray objectatindex: 1];
Nsstring * userdomain = [userarray objectatindex: 0];

Nsstring * newpassword = [[nsstring alloc] init];

Newpassword = [self encryptpassword];
Nslog (newpassword );
Nsstring * soapmsg = [nsstring stringwithformat:
@ "<? XML version = \ "1.0 \" encoding = \ "UTF-8 \"?> "
"<Soap: envelope xmlns: xsi = \" external "xmlns: XSD = \" http://www.w3.org/2001/xmlschema\ "xmlns: Soap = \" external ">"
"<Soap: Body>"
"<Zapps_ins_login_tx xmlns = \" http://cbi.crystalgroup.com.hk/\ ">"
"<P_suserid >%@ </p_suserid>"
"<P_suserpassword >%@ </p_suserpassword>"
"<P_simeicode >%@ </p_simeicode>"
"<P_sdomain >%@ </p_sdomain>"
"</Zapps_ins_login_tx>"
"</Soap: Body>"
"</Soap: envelope>", useridonly, newpassword, tstimei, userdomain];

Nsstring * wsurl = [[nsstring alloc] init];
Wsurl = @ "http://tst.tst.com/wsAppsiDevice/Service.asmx"; // testing URL

Nsmutableurlrequest * Req = [nsmutableurlrequest requestwithurl: [nsurl urlwithstring: wsurl];
[Req addvalue: @ "text/XML; charset = UTF-8" forhttpheaderfield: @ "Content-Type"];
[Req addvalue: @ "http://cbi.crystalgroup.com.hk/zApps_Ins_Login_Tx" forhttpheaderfield: @ "soapaction"];
[Req addvalue: [nsstring stringwithformat: @ "% d", [soapmsg length] forhttpheaderfield: @ "Content-Length"];
[Req sethttpmethod: @ "Post"];
[Req sethttpbody: [soapmsg datausingencoding: nsutf8stringencoding];
Conn = [[nsurlconnection alloc] initwithrequest: req delegate: Self];
If (conn ){
Webdata = [[nsmutabledata data] retain];
}

}

-(Void) connection :( nsurlconnection *) connection didreceiveresponse :( nsurlresponse *) response {
[Webdata setlength: 0];
}

-(Void) connection :( nsurlconnection *) connection didreceivedata :( nsdata *) Data {
[Webdata appenddata: Data];
}

-(Void) connection :( nsurlconnection *) connection didfailwitherror :( nserror *) error {

// Nsstring * msgresult = [error description];
[Webdata release];
[Connection release];

}

-(Bool) connection :( nsurlconnection *) connection canauthenticateagainstprotectionspace :( nsurlprotectionspace *) protectionspace {

Return [protectionspace. authenticationmethod isinclutostring: nsurlauthenticationmethodservertrust];

}

-(Void) connection :( nsurlconnection *) connection didreceiveauthenticationchallenge :( nsurlauthenticationchallenge *) challenge {

[Challenge. Sender usecredential: [nsurlcredential credentialfortrust: Challenge. protectionspace. servertrust] forauthenticationchallenge: Challenge];
[Challenge. Sender continuewithoutcredentialforauthenticationchallenge: Challenge];

}

-(Void) connectiondidfinishloading :( nsurlconnection *) connection {
If (xmlparser ){
[Xmlparser release];
}
Xmlparser = [[nsxmlparser alloc] initwithdata: webdata];
[Xmlparser setdelegate: Self];

[Xmlparser setshouldresolveexternalentities: Yes];
[Xmlparser parse];

If ([accesskey isw.tostring: @ "null"])
{
Uialertview * Alert = [[uialertview alloc] initwithtitle: @ "warning"
Message: @ "invalid user ID/password, please try again! "
Delegate: Nil cancelbuttontitle: @ "OK"
Otherbuttontitles: Nil];
[Alert show];
[Alert release];
}
Else {

// Write data to plist
// Begin
Nsarray * paths = nssearchpathfordirectoriesindomains (nsdocumentdirectory, nsuserdomainmask, yes );
Nsstring * documentsdirectory = [paths objectatindex: 0];
Nsstring * filepath = [documentsdirectory stringbyappendingstring: @ "/data. plist"];

//
Nsfilemanager * filemanager = [nsfilemanager defaultmanager];
Nsmutabledictionary * plistdict;
If ([filemanager fileexistsatpath: filepath])
{
Plistdict = [[nsmutabledictionary alloc] initwithcontentsoffile: filepath];
} Else {
Plistdict = [[nsmutabledictionary alloc] init];
}

Nsstring * userstring = @ "null ";

If ([userid. Text isequaltostring: @ "iosappsvisitor"]) {
Userstring = @ "HK \ General ";
}
Else {
Userstring = userid. text;
}

Nsarray * userarray = [userstring componentsseparatedbystring: @ "\"];
Nsstring * useridonly = [userarray objectatindex: 1];

[Plistdict setvalue: useridonly forkey: @ "userid"];
[Plistdict setvalue: userpassword. Text forkey: @ "userpwd"];
[Plistdict setvalue: accesskey forkey: @ "useraccesskey"];
[Plistdict setvalue: myimeicode forkey: @ "userimei"];

If ([plistdict writetofile: filepath atomically: Yes]) {
Nslog (@ "writeplist success ");
} Else {
Nslog (@ "writeplist fail ");
}

[Plistdict release];
// End

}

[Connection release];
[Webdata release];
}

-(Void) parser :( nsxmlparser *) parser didstartelement :( nsstring *) elementname namespaceuri :( nsstring *) namespaceuri
Qualifiedname :( nsstring *) QNAME attributes :( nsdictionary *) attributedict {
// If ([elementname isinclutostring: @ "getquoteresult"]) {
// If ([elementname isinclutostring: @ "zins_login_txresult"]) {
If ([elementname isequaltostring: @ "zapps_ins_login_txresult"]) {
If (! Soapreply ){
Soapreply = [[nsmutablestring alloc] init];
}
Elementfound = yes;
}
}

-(Void) parser :( nsxmlparser *) parser foundcharacters :( nsstring *) string {
If (elementfound ){
[Soapreply appendstring: String];
}
}

-(Void) Parser: (nsxmlparser *) parser didendelement :( nsstring *) elementname
Namespaceuri :( nsstring *) namespaceuri
Qualifiedname :( nsstring *) QNAME {
// If ([elementname isinclutostring: @ "getquoteresult"]) {
// If ([elementname isinclutostring: @ "zins_login_txresult"]) {
If ([elementname isequaltostring: @ "zapps_ins_login_txresult"]) {

// If (! Soapreply ){
// Soapreply = [[nsmutablestring alloc] init];
//}

Nsstring * accesskey1 = [soapreply description];
// [Soapreply setstring: @ ""];
Elementfound = no;

Accesskey = accesskey1;

If ([accesskey1 isw.tostring: @ "null"]) {
Accesskey = @ "null ";
}
Else if (accesskey1! = Nil)
{
/*
Uialertview * alertok = [[uialertview alloc] initwithtitle: @ "Validate"
Message: accesskey1
Delegate: Nil cancelbuttontitle: @ "OK"
Otherbuttontitles: Nil];
[Alertok show];
[Alertok release];
*/

Ipad_demo2appdelegate * appdelegate = (ipad_demo2appdelegate *) [[uiapplication sharedapplication] Delegate];
[Self. View removefromsuperview];

// [Self. navigationcontroller poptorootviewcontrolleranimated: Yes];

Appdelegate. mykey = accesskey;
// [Appdelegate. Window addsubview: appdelegate. topnewsviewcontroller. View];
// Splitviewcontroller
[Appdelegate. Window addsubview: appdelegate. splitviewcontroller. View];

}
Else {
Uialertview * Alert = [[uialertview alloc] initwithtitle: @ "Validate"
Message: @ "invalid user ID or password, please try again ."
Delegate: Nil cancelbuttontitle: @ "OK"
Otherbuttontitles: Nil];
[Alert show];
[Alert release];
}

// [Soapreply setstring: @ ""];
}
}