xref: /aosp_15_r20/external/spdx-tools/examples/7-rdfloader/exampleRDFLoader.go (revision ba677afa8f67bb56cbc794f4d0e378e0da058e16)
1// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
2// Run project: go run exampleRDFLoader.go ../sample-docs/rdf/SPDXRdfExample-v2.2.spdx.rdf
3package main
4
5import (
6	"fmt"
7	"os"
8	"strings"
9
10	"github.com/spdx/tools-golang/rdfloader"
11)
12
13func getFilePathFromUser() (string, error) {
14	if len(os.Args) == 1 {
15		// user hasn't specified the rdf file path
16		return "", fmt.Errorf("kindly provide path of the rdf file to be loaded as a spdx-document while running this file")
17	}
18	return os.Args[1], nil
19}
20
21func main() {
22	// example to use the rdfLoader.
23	filePath, ok := getFilePathFromUser()
24	if ok != nil {
25		fmt.Println(fmt.Errorf("%v", ok))
26		os.Exit(1)
27	}
28	file, err := os.Open(filePath)
29	if err != nil {
30		fmt.Println(fmt.Errorf("error opening File: %s", err))
31		os.Exit(1)
32	}
33
34	// loading the spdx-document
35	doc, err := rdfloader.Load2_2(file)
36	if err != nil {
37		fmt.Println(fmt.Errorf("error parsing given spdx document: %s", err))
38		os.Exit(1)
39	}
40
41	// Printing some of the document Information
42	fmt.Println(strings.Repeat("=", 80))
43	fmt.Println("Some Attributes of the Document:")
44	fmt.Printf("Document Name:         %s\n", doc.DocumentName)
45	fmt.Printf("DataLicense:           %s\n", doc.DataLicense)
46	fmt.Printf("Document Namespace:    %s\n", doc.DocumentNamespace)
47	fmt.Printf("SPDX Version:          %s\n", doc.SPDXVersion)
48	fmt.Println(strings.Repeat("=", 80))
49}
50