我不确定如何使用XMPPFramework的核心数据来存储传入的消息。有没有人有关于如何做到这一点的任何教程？我看到了User对象，而这些对象又可以拥有许多“资源”。收到的每条消息都应该是我创建和保留的新资源吗？
我不知道我的责任是什么部分以及框架提供的有关消息历史的部分。我可以拦截每一个传入的消息。那么我应该使用核心数据在Messages表中创建和存储每条消息吗？ 我有一个消息实体。每个XMPPUser都有一个Message对象数组。但是，那么我不会推出自己的解决方案，这会对框架起作用吗？
谢谢！
答案 0 :(得分：51)
我知道这是一个旧线程，但由于我目前正在使用iOS上的XMPP，我必须说有一个内置支持在XMPP中归档消息。
我下载了适用于iOS的XMPP框架，其中有一个标记为XEP-0136的文件夹。通过在实例化XMPP客户端的类中使用以下代码行来导入XCode中的文件夹并激活客户端存档：
xmppMessageArchivingStorage = [XMPPMessageArchivingCoreDataStorage sharedInstance];
xmppMessageArchivingModule = [[XMPPMessageArchiving alloc] initWithMessageArchivingStorage:xmppMessageArchivingStorage];
以下一行代码可以避免将存档特定节发送到xmpp服务器 这很可能会响应服务未实现
[xmppMessageArchivingModule setClientSideMessageArchivingOnly:YES];
[xmppMessageArchivingModule activate:xmppStream];
[xmppMessageArchivingModule addDelegate:self delegateQueue:dispatch_get_main_queue()];
你已经定下来了。从那一刻起，消息（传出和传入）将存储在框架创建的表中。
如果您需要更多信息，请发表评论，我会回复您。
@PraviJay
我确实喜欢这个：
-(void)testMessageArchiving{
XMPPMessageArchivingCoreDataStorage *storage = [XMPPMessageArchivingCoreDataStorage sharedInstance];
NSManagedObjectContext *moc = [storage mainThreadManagedObjectContext];
NSEntityDescription *entityDescription = [NSEntityDescription entityForName:@"XMPPMessageArchiving_Message_CoreDataObject"
inManagedObjectContext:moc];
NSFetchRequest *request = [[NSFetchRequest alloc]init];
[request setEntity:entityDescription];
NSError *error;
NSArray *messages = [moc executeFetchRequest:request error:&error];
[self print:[[NSMutableArray alloc]initWithArray:messages]];
}
-(void)print:(NSMutableArray*)messages{
@autoreleasepool {
for (XMPPMessageArchiving_Message_CoreDataObject *message in messages) {
NSLog(@"messageStr param is %@",message.messageStr);
NSXMLElement *element = [[NSXMLElement alloc] initWithXMLString:message.messageStr error:nil];
NSLog(@"to param is %@",[element attributeStringValueForName:@"to"]);
NSLog(@"NSCore object id param is %@",message.objectID);
NSLog(@"bareJid param is %@",message.bareJid);
NSLog(@"bareJidStr param is %@",message.bareJidStr);
NSLog(@"body param is %@",message.body);
NSLog(@"timestamp param is %@",message.timestamp);
NSLog(@"outgoing param is %d",[message.outgoing intValue]);
}
}
}
希望有所帮助：）
答案 1 :(得分：10)
表示XMPP Framework未保存历史记录的响应不正确。
要将结果集成到表格视图中，请使用：
XMPPMessageArchivingCoreDataStorage *storage = [XMPPMessageArchivingCoreDataStorage sharedInstance];
NSManagedObjectContext *moc = [storage mainThreadManagedObjectContext];
NSEntityDescription *entityDescription = [NSEntityDescription entityForName:@"XMPPMessageArchiving_Contact_CoreDataObject"
inManagedObjectContext:moc];
NSFetchRequest *request = [[NSFetchRequest alloc]init];
[request setEntity:entityDescription];
_contactsController = [[NSFetchedResultsController alloc] initWithFetchRequest:request managedObjectContext:moc sectionNameKeyPath:nil cacheName:@"MessagesContactListCache"];
NSError *error;
BOOL rval = [_contactsController performFetch:&error];
答案 2 :(得分：0)
在Swift 4中获取存档消息的示例
声明并初始化变量XMPPMessageArchivingCoreDataStorage，在其中初始化XMPPStream
var xmppMessageStorage: XMPPMessageArchivingCoreDataStorage?
var xmppMessageArchiving: XMPPMessageArchiving?
xmppMessageStorage = XMPPMessageArchivingCoreDataStorage.sharedInstance()
xmppMessageArchiving = XMPPMessageArchiving(messageArchivingStorage: xmppMessageStorage)
xmppMessageArchiving?.clientSideMessageArchivingOnly = true
xmppMessageArchiving?.activate(stream)
xmppMessageArchiving?.addDelegate(self, delegateQueue: DispatchQueue.main)
这样做，每当消息到达时，这将导致将其存档而无需执行其他任何操作。
然后，检索已归档的邮件
func RecibedMessageArchiving(idFriend: String) {
let JabberIDFriend = idFriend //id friend chat, example test1@example.com
let moc = xmppMessageStorage?.mainThreadManagedObjectContext
let entityDescription = NSEntityDescription.entity(forEntityName: "XMPPMessageArchiving_Message_CoreDataObject", in: moc!)
let request = NSFetchRequest<NSFetchRequestResult>()
let predicateFormat = "bareJidStr like %@ "
let predicate = NSPredicate(format: predicateFormat, JabberIDFriend)
request.predicate = predicate
request.entity = entityDescription
//jabberID id del usuario, cliente
var jabberIDCliente = ""
if let jabberj = globalChat.value(forKey: "jabberID"){
jabberIDCliente = jabberj as! String
}
do {
let results = try moc?.fetch(request)
for message: XMPPMessageArchiving_Message_CoreDataObject? in results as? [XMPPMessageArchiving_Message_CoreDataObject?] ?? [] {
var element: DDXMLElement!
do {
element = try DDXMLElement(xmlString: (message as AnyObject).messageStr)
} catch _ {
element = nil
}
let body: String
let sender: String
let date: NSDate
let isIncomings: Bool
if message?.body != nil {
body = (message?.body)!
} else {
body = ""
}
if element.attributeStringValue(forName: "to") == JabberIDFriend {
sender = jabberIDCliente
isIncomings = false
} else {
sender = "test2@example.com"
isIncomings = true
}
var m: [AnyHashable : Any] = [:]
m["msg"] = message?.body
print("body", message?.body)
print("test", element.attributeStringValue(forName: "to"))
print("test2", element.attributeStringValue(forName: "body"))
}
} catch _ {
//catch fetch error here
}
}
答案 3 :(得分：-4)
XMPPFramework不存储消息历史记录，所以我建议您最好使用核心数据。通过将发送方，接收方，消息，时间作为列来创建表。插入记录时发送消息方法调用和接收消息方法调用...
-(void)saveChatHistory:(NSString *)sender:(NSString*)receiver:(NSString*)message:(NSString*)time
{
NSManagedObjectContext *context=[[self appDelegate] managedObjectContext];
NSManagedObject *newContext=[NSEntityDescription insertNewObjectForEntityForName:@"ChatHistory" inManagedObjectContext:context];
[newContext setValue:sender forKey:@"sender"];
[newContext setValue:receiver forKey:@"receiver"];
[newContext setValue:message forKey:@"message"];
[newContext setValue:time forKey:@"time"];
NSError *error;
if(![context save:&error])
{
UIAlertView *alertView=[[UIAlertView alloc] initWithTitle:@"Error Occured" message:@"Data is not Stored in Database Try Again" delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil];
[alertView show];
}
}
当从tableview中选择特定用户时，重新启动聊天记录....下面的方法显示如何检索聊天记录...并从didSelectRowAtIndexPath方法调用此方法并将目标ID作为参数传递
-(void)getChatHistory:(NSString*)jidString1
{
NSManagedObjectContext *context=[[self appDelegate] managedObjectContext];
NSEntityDescription *entity=[NSEntityDescription entityForName:@"ChatHistory" inManagedObjectContext:context];
NSFetchRequest *req=[[NSFetchRequest alloc] init];
NSPredicate *predicate=[NSPredicate predicateWithFormat:@"receiver=%@",jidString1];
[req setEntity:entity];
[req setPredicate:predicate];
NSManagedObject *matchRecords=nil;
NSError *error;
NSArray *objects=[context executeFetchRequest:req error:&error];
if([objects count]==0)
{
UIAlertView *alertView=[[UIAlertView alloc] initWithTitle:@"No Record found" message:@"there is no previous chat history" delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil];
[alertView show];
}
else
{
for(int i=0;i<[objects count];i++)
{
matchRecords=[objects objectAtIndex:i ];
NSLog(@"sender is %@",[matchRecords valueForKey:@"sender"]);
NSLog(@"reciver is %@",[matchRecords valueForKey:@"receiver"]);
NSLog(@"messages is %@",[matchRecords valueForKey:@"message"]);
NSLog(@"time is %@",[matchRecords valueForKey:@"time"]);
}
}
}
我希望这对你有用