39 lines
652 B
Go
39 lines
652 B
Go
package data
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import (
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"io"
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"net/url"
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"github.com/pkg/errors"
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)
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type UpdaterHandler interface {
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URLMatcher
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Update(url *url.URL) (io.WriteCloser, error)
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}
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type Updater struct {
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handlers []UpdaterHandler
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}
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func (u *Updater) Update(url *url.URL) (io.WriteCloser, error) {
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for _, h := range u.handlers {
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if !h.Match(url) {
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continue
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}
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wr, err := h.Update(url)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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return wr, nil
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}
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return nil, errors.Wrapf(ErrHandlerNotFound, "could not find matching handler for url '%s'", url.String())
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}
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func NewUpdater(handlers ...UpdaterHandler) *Updater {
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return &Updater{handlers}
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}
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