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plugin.go
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/
plugin.go
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package choice
import (
"fmt"
"net/http"
"strings"
"github.com/sirkon/goproxy"
)
// New plugin which tries to return a source with each plugin consequently until success. Made specially for
// apriori plugin
func New(plugins ...goproxy.Plugin) goproxy.Plugin {
return &choice{
plugs: plugins,
}
}
type choice struct {
plugs []goproxy.Plugin
}
func (c *choice) String() string {
plugs := make([]string, len(c.plugs))
for i, plug := range c.plugs {
plugs[i] = plug.String()
}
return fmt.Sprintf("choice(%s)", strings.Join(plugs, ", "))
}
func (c *choice) Module(req *http.Request, prefix string) (goproxy.Module, error) {
for _, plug := range c.plugs {
src, err := plug.Module(req, prefix)
if err != nil {
continue
}
return src, nil
}
return nil, fmt.Errorf("no suitable plugin found for request to %s", req.URL.Path)
}
func (c *choice) Leave(source goproxy.Module) error {
return nil
}
func (c *choice) Close() error {
return nil
}