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73 lines
2.5 KiB
73 lines
2.5 KiB
// Copyright (c) 2016-present, Facebook, Inc. All rights reserved.
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//
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// You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
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// copy, modify, and distribute this software in source code or binary form for use
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// in connection with the web services and APIs provided by Facebook.
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//
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// As with any software that integrates with the Facebook platform, your use of
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// this software is subject to the Facebook Developer Principles and Policies
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// [http://developers.facebook.com/policy/]. This copyright notice shall be
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// included in all copies or substantial portions of the software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import Foundation
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/**
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Protocol defining operations on open graph actions and objects.
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*/
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public protocol OpenGraphPropertyContaining {
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/// Get the property names contained in this container.
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var propertyNames: Set<OpenGraphPropertyName> { get }
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/**
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Get the value corresponding to a given property name.
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- parameter name: The property name to retrieve.
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- returns: The value for the given property.
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*/
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subscript(name: OpenGraphPropertyName) -> OpenGraphPropertyValue? { get set }
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}
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extension OpenGraphPropertyContaining {
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public subscript(key: OpenGraphPropertyName) -> String? {
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get {
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let graphValue: OpenGraphPropertyValue? = self[key]
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return graphValue as? String
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}
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}
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public subscript(key: OpenGraphPropertyName) -> NSNumber? {
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get {
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let graphValue: OpenGraphPropertyValue? = self[key]
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return graphValue as? NSNumber
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}
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}
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public subscript(key: OpenGraphPropertyName) -> [OpenGraphPropertyValue]? {
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get {
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let graphValue: OpenGraphPropertyValue? = self[key]
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return graphValue as? [OpenGraphPropertyValue]
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}
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}
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public subscript(key: OpenGraphPropertyName) -> Photo? {
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get {
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let graphValue: OpenGraphPropertyValue? = self[key]
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return graphValue as? Photo
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}
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}
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public subscript(key: OpenGraphPropertyName) -> URL? {
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get {
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let graphValue: OpenGraphPropertyValue? = self[key]
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return graphValue as? URL
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}
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}
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}
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