72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package types
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import (
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"fmt"
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"net/url"
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"sort"
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"strings"
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)
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type URLsMap map[string]URLs
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// NewURLsMap returns a URLsMap instantiated from the given string,
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// which consists of discovery-formatted names-to-URLs, like:
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// mach0=http://1.1.1.1,mach0=http://2.2.2.2,mach1=http://3.3.3.3,mach2=http://4.4.4.4
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func NewURLsMap(s string) (URLsMap, error) {
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cl := URLsMap{}
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v, err := url.ParseQuery(strings.Replace(s, ",", "&", -1))
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if err != nil {
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return nil, err
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}
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for name, urls := range v {
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if len(urls) == 0 || urls[0] == "" {
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return nil, fmt.Errorf("empty URL given for %q", name)
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}
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us, err := NewURLs(urls)
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if err != nil {
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return nil, err
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}
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cl[name] = us
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}
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return cl, nil
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}
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// String returns NameURLPairs into discovery-formatted name-to-URLs sorted by name.
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func (c URLsMap) String() string {
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pairs := make([]string, 0)
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for name, urls := range c {
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for _, url := range urls {
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pairs = append(pairs, fmt.Sprintf("%s=%s", name, url.String()))
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}
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}
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sort.Strings(pairs)
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return strings.Join(pairs, ",")
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}
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// URLs returns a list of all URLs.
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// The returned list is sorted in ascending lexicographical order.
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func (c URLsMap) URLs() []string {
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urls := make([]string, 0)
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for _, us := range c {
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for _, u := range us {
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urls = append(urls, u.String())
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}
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}
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sort.Strings(urls)
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return urls
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}
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