1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153

use std::collections::BTreeMap;
use serialize::json::{ToJson, Json};

/// A Hal Link object
#[derive(Clone, Eq, PartialEq, Debug)]
pub struct Link {
    href: String,
    templated: Option<bool>,
    media_type: Option<String>,
    deprecation: Option<String>,
    name: Option<String>,
    profile: Option<String>,
    title: Option<String>,
    hreflang: Option<String>,
}

impl Link {
    pub fn new<S: Into<String>>(href: S) -> Link {
        Link { href: href.into(),
        templated: None,
        media_type: None,
        deprecation: None,
        name: None,
        profile: None,
        title: None,
        hreflang: None
        }
    }

    /// Convert a json object into a Link
    pub fn from_json(json: &Json) -> Link {
        let ref url = json["href".as_ref()];

        let mut link = Link::new(url.as_string().unwrap());

        // todo: we use these same hard coded strings to conver to json
        // todo: make this a macro
        if json.search("templated").is_some() {
            let value = json.search("templated").unwrap();
            link.templated(value.as_boolean().unwrap());
        } 

        if json.search("type").is_some() {
            let value = json.search("type").unwrap();
            link.media_type(value.as_string().unwrap());
        } 

        if json.search("deprecation").is_some() {
            let value = json.search("deprecation").unwrap();
            link.deprecation(value.as_string().unwrap());
        } 

        if json.search("name").is_some() {
            let value = json.search("name").unwrap();
            link.name(value.as_string().unwrap());
        } 

        if json.search("title").is_some() {
            let value = json.search("title").unwrap();
            link.title(value.as_string().unwrap());
        } 

        if json.search("profile").is_some() {
            let value = json.search("profile").unwrap();
            link.profile(value.as_string().unwrap());
        } 

        if json.search("hreflang").is_some() {
            let value = json.search("hreflang").unwrap();
            link.hreflang(value.as_string().unwrap());
        } 

        link
    }

    pub fn templated(&mut self, is_template: bool) -> &mut Link {
        self.templated = Some(is_template);
        self
    }

    pub fn media_type<S>(&mut self, media_type: S) -> &mut Link
        where S: Into<String> {
        self.media_type = Some(media_type.into());
        self
    }

    pub fn deprecation<S>(&mut self, deprecation: S) -> &mut Link
        where S: Into<String> {
        self.deprecation = Some(deprecation.into());
        self
    }

    pub fn name<S>(&mut self, name: S) -> &mut Link
        where S: Into<String> {
        self.name = Some(name.into());
        self
    }

    pub fn title<S>(&mut self, title: S) -> &mut Link
        where S: Into<String> {
        self.title = Some(title.into());
        self
    }

    pub fn profile<S>(&mut self, profile: S) -> &mut Link
        where S: Into<String> {
        self.profile = Some(profile.into());
        self
    }

    pub fn hreflang<S>(&mut self, hreflang: S) -> &mut Link
        where S: Into<String> {
        self.hreflang = Some(hreflang.into());
        self
    }
}

impl ToJson for Link {
    fn to_json(&self) -> Json {
        let mut link = BTreeMap::new();
        link.insert("href".to_string(), self.href.to_json());

        if self.templated.is_some() {
            link.insert("templated".to_string(), self.templated.to_json());
        }

        if self.media_type.is_some() {
            link.insert("type".to_string(), self.media_type.to_json());
        }

        if self.deprecation.is_some() {
            link.insert("deprecation".to_string(), self.deprecation.to_json());
        }

        if self.name.is_some() {
            link.insert("name".to_string(), self.name.to_json());
        }

        if self.title.is_some() {
            link.insert("title".to_string(), self.title.to_json());
        }

        if self.profile.is_some() {
            link.insert("profile".to_string(), self.profile.to_json());
        }

        if self.hreflang.is_some() {
            link.insert("hreflang".to_string(), self.hreflang.to_json());
        }

        Json::Object(link)
    }
}