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https://github.com/moonlight-stream/moonlight-ios.git
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Created http response class and added error checking
This commit is contained in:
Diego Waxemberg
222
Limelight/Network/HttpResponse.m
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222
Limelight/Network/HttpResponse.m
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//
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// HttpResponse.m
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// Limelight
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//
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// Created by Diego Waxemberg on 1/30/15.
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// Copyright (c) 2015 Limelight Stream. All rights reserved.
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//
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#import "HttpResponse.h"
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#import "App.h"
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#import <libxml2/libxml/xmlreader.h>
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@implementation HttpResponse
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+ (HttpResponse*) responseWithData:(NSData*)xml {
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HttpResponse* response = [[HttpResponse alloc] init];
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response.responseData = xml;
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xmlDocPtr docPtr = xmlParseMemory([xml bytes], (int)[xml length]);
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if (docPtr == NULL) {
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NSLog(@"ERROR: An error occured trying to parse xml.");
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return response;
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}
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xmlNodePtr rootNode = xmlDocGetRootElement(docPtr);
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if (rootNode == NULL) {
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NSLog(@"ERROR: No root XML element.");
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xmlFreeDoc(docPtr);
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return response;
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}
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xmlChar* statusStr = xmlGetProp(rootNode, (const xmlChar*)"status_code");
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if (statusStr != NULL) {
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int status = [[NSString stringWithUTF8String:(const char*)statusStr] intValue];
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xmlFree(statusStr);
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response.statusCode = status;
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}
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xmlChar* statusMsgXml = xmlGetProp(rootNode, (const xmlChar*)"status_message");
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NSString* statusMsg;
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if (statusMsgXml != NULL) {
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statusMsg = [NSString stringWithUTF8String:(const char*)statusMsgXml];
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xmlFree(statusMsgXml);
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}
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else {
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statusMsg = @"Server Error";
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}
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response.statusMessage = statusMsg;
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return response;
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}
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- (NSString*)parseStringTag:(NSString *)tag {
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xmlDocPtr docPtr = xmlParseMemory([self.responseData bytes], (int)[self.responseData length]);
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if (docPtr == NULL) {
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NSLog(@"ERROR: An error occured trying to parse xml.");
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return nil;
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}
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xmlNodePtr node = xmlDocGetRootElement(docPtr);
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// Check root status_code
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if (![self isStatusOk]) {
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NSLog(@"ERROR: Request returned with failure status");
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xmlFreeDoc(docPtr);
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return nil;
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}
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// Skip the root node
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node = node->children;
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NSString* value;
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while (node != NULL) {
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//NSLog(@"node: %s", node->name);
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if (!xmlStrcmp(node->name, (const xmlChar*)[tag UTF8String])) {
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xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
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value = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
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xmlFree(nodeVal);
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}
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node = node->next;
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}
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//NSLog(@"xmlValue: %@", value);
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xmlFreeDoc(docPtr);
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return value;
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}
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- (BOOL)parseIntTag:(NSString *)tag value:(NSInteger*)value {
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NSString* stringVal = [self parseStringTag:tag];
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if (stringVal != nil) {
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*value = [stringVal integerValue];
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return true;
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} else {
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return false;
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}
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}
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- (BOOL) isStatusOk {
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return self.statusCode == 200;
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}
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- (BOOL) populateHost:(Host*)host {
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xmlDocPtr docPtr = xmlParseMemory([self.responseData bytes], (int)[self.responseData length]);
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if (docPtr == NULL) {
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NSLog(@"ERROR: An error occured trying to parse xml.");
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return false;
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}
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xmlNodePtr node = xmlDocGetRootElement(docPtr);
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// Check root status_code
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if (![self isStatusOk]) {
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NSLog(@"ERROR: Request returned with failure status");
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xmlFreeDoc(docPtr);
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return false;
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}
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// Skip the root node
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node = node->children;
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while (node != NULL) {
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//NSLog(@"node: %s", node->name);
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if (!xmlStrcmp(node->name, (const xmlChar*)"hostname")) {
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xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
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host.name = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
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xmlFree(nodeVal);
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} else if (!xmlStrcmp(node->name, (const xmlChar*)"ExternalIP")) {
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xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
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host.externalAddress = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
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xmlFree(nodeVal);
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} else if (!xmlStrcmp(node->name, (const xmlChar*)"LocalIP")) {
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xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
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host.localAddress = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
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xmlFree(nodeVal);
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} else if (!xmlStrcmp(node->name, (const xmlChar*)"uniqueid")) {
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xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
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host.uuid = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
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xmlFree(nodeVal);
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} else if (!xmlStrcmp(node->name, (const xmlChar*)"mac")) {
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xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
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host.mac = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
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xmlFree(nodeVal);
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} else if (!xmlStrcmp(node->name, (const xmlChar*)"PairStatus")) {
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xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
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host.pairState = [[[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding] isEqualToString:@"1"] ? PairStatePaired : PairStateUnpaired;
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xmlFree(nodeVal);
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}
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node = node->next;
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}
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xmlFreeDoc(docPtr);
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return true;
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}
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- (NSArray*) getAppList {
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xmlDocPtr docPtr = xmlParseMemory([self.responseData bytes], (int)[self.responseData length]);
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if (docPtr == NULL) {
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NSLog(@"ERROR: An error occured trying to parse xml.");
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return nil;
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}
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xmlNodePtr node = xmlDocGetRootElement(docPtr);
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// Check root status_code
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if (![self isStatusOk]) {
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NSLog(@"ERROR: Request returned with failure status");
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xmlFreeDoc(docPtr);
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return nil;
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}
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// Skip the root node
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node = node->children;
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NSMutableArray* appList = [[NSMutableArray alloc] init];
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while (node != NULL) {
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//NSLog(@"node: %s", node->name);
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if (!xmlStrcmp(node->name, (const xmlChar*)"App")) {
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xmlNodePtr appInfoNode = node->xmlChildrenNode;
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NSString* appName;
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NSString* appId;
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BOOL appIsRunning = NO;
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while (appInfoNode != NULL) {
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//NSLog(@"appInfoNode: %s", appInfoNode->name);
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if (!xmlStrcmp(appInfoNode->name, (const xmlChar*)"AppTitle")) {
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xmlChar* nodeVal = xmlNodeListGetString(docPtr, appInfoNode->xmlChildrenNode, 1);
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appName = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
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xmlFree(nodeVal);
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} else if (!xmlStrcmp(appInfoNode->name, (const xmlChar*)"ID")) {
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xmlChar* nodeVal = xmlNodeListGetString(docPtr, appInfoNode->xmlChildrenNode, 1);
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appId = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
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xmlFree(nodeVal);
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} else if (!xmlStrcmp(appInfoNode->name, (const xmlChar*)"IsRunning")) {
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xmlChar* nodeVal = xmlNodeListGetString(docPtr, appInfoNode->xmlChildrenNode, 1);
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appIsRunning = [[[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding] isEqualToString:@"1"];
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xmlFree(nodeVal);
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}
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appInfoNode = appInfoNode->next;
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}
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App* app = [[App alloc] init];
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app.appName = appName;
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app.appId = appId;
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app.isRunning = appIsRunning;
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[appList addObject:app];
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}
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node = node->next;
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}
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xmlFreeDoc(docPtr);
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return appList;
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}
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@end
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