55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package linode
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import (
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"bytes"
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"net/url"
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"sort"
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)
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type (
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// Parameters represents the parameters that are passed for an API call.
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Parameters map[string]string
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)
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// Get gets the parameter associated with the given key. If no parameter is
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// associated with the key, Get returns the empty string.
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func (p Parameters) Get(key string) string {
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if p == nil {
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return ""
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}
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value, ok := p[key]
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if !ok {
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return ""
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}
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return value
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}
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// Set sets the key to value. It replaces any existing value.
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func (p Parameters) Set(key, value string) {
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p[key] = value
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}
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// Del deletes the parameter associated with key.
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func (p Parameters) Del(key string) {
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delete(p, key)
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}
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// Encode encodes the parameters into "URL encoded" form ("bar=baz&foo=quux")
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// sorted by key.
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func (p Parameters) Encode() string {
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var buf bytes.Buffer
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keys := make([]string, 0, len(p))
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for k := range p {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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for _, k := range keys {
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if buf.Len() > 0 {
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buf.WriteByte('&')
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}
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buf.WriteString(url.QueryEscape(k) + "=")
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buf.WriteString(url.QueryEscape(p[k]))
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}
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return buf.String()
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}
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