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