Revert of Rename AppRTCDemo on Android and iOS to AppRTCMobile

webrtc/examples/objc/AppRTCDemo/RTCIceCandidate+JSON.m

Index: webrtc/examples/objc/AppRTCDemo/RTCIceCandidate+JSON.m
diff --git a/webrtc/examples/objc/AppRTCDemo/RTCIceCandidate+JSON.m b/webrtc/examples/objc/AppRTCDemo/RTCIceCandidate+JSON.m
new file mode 100644
index 0000000000000000000000000000000000000000..b1be7fb7e3cb995353768041d15cca94e789cdf8
--- /dev/null
+++ b/webrtc/examples/objc/AppRTCDemo/RTCIceCandidate+JSON.m
@@ -0,0 +1,100 @@
+/*
+ *  Copyright 2014 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#import "RTCIceCandidate+JSON.h"
+
+#import "WebRTC/RTCLogging.h"
+
+static NSString const *kRTCICECandidateTypeKey = @"type";
+static NSString const *kRTCICECandidateTypeValue = @"candidate";
+static NSString const *kRTCICECandidateMidKey = @"id";
+static NSString const *kRTCICECandidateMLineIndexKey = @"label";
+static NSString const *kRTCICECandidateSdpKey = @"candidate";
+static NSString const *kRTCICECandidatesTypeKey = @"candidates";
+
+
+@implementation RTCIceCandidate (JSON)
+
++ (RTCIceCandidate *)candidateFromJSONDictionary:(NSDictionary *)dictionary {
+  NSString *mid = dictionary[kRTCICECandidateMidKey];
+  NSString *sdp = dictionary[kRTCICECandidateSdpKey];
+  NSNumber *num = dictionary[kRTCICECandidateMLineIndexKey];
+  NSInteger mLineIndex = [num integerValue];
+  return [[RTCIceCandidate alloc] initWithSdp:sdp
+                                sdpMLineIndex:mLineIndex
+                                       sdpMid:mid];
+}
+
++ (NSData *)JSONDataForIceCandidates:(NSArray<RTCIceCandidate *> *)candidates
+                            withType:(NSString *)typeValue {
+  NSMutableArray *jsonCandidates =
+      [NSMutableArray arrayWithCapacity:candidates.count];
+  for (RTCIceCandidate *candidate in candidates) {
+    NSDictionary *jsonCandidate = [candidate JSONDictionary];
+    [jsonCandidates addObject:jsonCandidate];
+  }
+  NSDictionary *json = @{
+    kRTCICECandidateTypeKey : typeValue,
+    kRTCICECandidatesTypeKey : jsonCandidates
+  };
+  NSError *error = nil;
+  NSData *data =
+      [NSJSONSerialization dataWithJSONObject:json
+                                      options:NSJSONWritingPrettyPrinted
+                                        error:&error];
+  if (error) {
+    RTCLogError(@"Error serializing JSON: %@", error);
+    return nil;
+  }
+  return data;
+}
+
++ (NSArray<RTCIceCandidate *> *)candidatesFromJSONDictionary:
+    (NSDictionary *)dictionary {
+  NSArray *jsonCandidates = dictionary[kRTCICECandidatesTypeKey];
+  NSMutableArray<RTCIceCandidate *> *candidates =
+      [NSMutableArray arrayWithCapacity:jsonCandidates.count];
+  for (NSDictionary *jsonCandidate in jsonCandidates) {
+    RTCIceCandidate *candidate =
+        [RTCIceCandidate candidateFromJSONDictionary:jsonCandidate];
+    [candidates addObject:candidate];
+  }
+  return candidates;
+}
+
+- (NSData *)JSONData {
+  NSDictionary *json = @{
+    kRTCICECandidateTypeKey : kRTCICECandidateTypeValue,
+    kRTCICECandidateMLineIndexKey : @(self.sdpMLineIndex),
+    kRTCICECandidateMidKey : self.sdpMid,
+    kRTCICECandidateSdpKey : self.sdp
+  };
+  NSError *error = nil;
+  NSData *data =
+      [NSJSONSerialization dataWithJSONObject:json
+                                      options:NSJSONWritingPrettyPrinted
+                                        error:&error];
+  if (error) {
+    RTCLogError(@"Error serializing JSON: %@", error);
+    return nil;
+  }
+  return data;
+}
+
+- (NSDictionary *)JSONDictionary{
+  NSDictionary *json = @{
+    kRTCICECandidateMLineIndexKey : @(self.sdpMLineIndex),
+    kRTCICECandidateMidKey : self.sdpMid,
+    kRTCICECandidateSdpKey : self.sdp
+  };
+  return json;
+}
+
+@end