59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
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package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/xeipuuv/gojsonschema"
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)
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func main() {
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nargs := len(os.Args[1:])
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if nargs == 0 || nargs > 2 {
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fmt.Printf("ERROR: usage is: %s <schema.json> [<document.json>]\n", os.Args[0])
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os.Exit(1)
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}
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schemaPath, err := filepath.Abs(os.Args[1])
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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schemaLoader := gojsonschema.NewReferenceLoader("file://" + schemaPath)
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var documentLoader gojsonschema.JSONLoader
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if nargs > 1 {
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documentPath, err := filepath.Abs(os.Args[2])
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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documentLoader = gojsonschema.NewReferenceLoader("file://" + documentPath)
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} else {
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documentBytes, err := ioutil.ReadAll(os.Stdin)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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documentString := string(documentBytes)
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documentLoader = gojsonschema.NewStringLoader(documentString)
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}
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result, err := gojsonschema.Validate(schemaLoader, documentLoader)
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if err != nil {
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panic(err.Error())
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}
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if result.Valid() {
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fmt.Printf("The document is valid\n")
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} else {
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fmt.Printf("The document is not valid. see errors :\n")
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for _, desc := range result.Errors() {
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fmt.Printf("- %s\n", desc)
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}
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os.Exit(1)
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}
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}
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