1// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 2 3// Example for: *yaml* 4 5// This example demonstrates loading an SPDX YAML document from disk into memory, 6// and then logging some attributes to the console. 7// Run project: go run exampleYAMLLoader.go ../sample-docs/yaml/SPDXYAMLExample-2.2.spdx.yaml 8package main 9 10import ( 11 "fmt" 12 "os" 13 "strings" 14 15 spdx_yaml "github.com/spdx/tools-golang/yaml" 16) 17 18func main() { 19 20 // check that we've received the right number of arguments 21 args := os.Args 22 if len(args) != 2 { 23 fmt.Printf("Usage: %v <json-file-in>\n", args[0]) 24 fmt.Printf(" Load SPDX 2.2 JSON file <spdx-file-in>, and\n") 25 fmt.Printf(" print portions of its creation info data.\n") 26 return 27 } 28 29 // open the SPDX file 30 fileIn := args[1] 31 r, err := os.Open(fileIn) 32 if err != nil { 33 fmt.Printf("Error while opening %v for reading: %v", fileIn, err) 34 return 35 } 36 defer r.Close() 37 38 // try to load the SPDX file's contents as a json file, version 2.2 39 doc, err := spdx_yaml.Load2_2(r) 40 if err != nil { 41 fmt.Printf("Error while parsing %v: %v", args[1], err) 42 return 43 } 44 45 // if we got here, the file is now loaded into memory. 46 fmt.Printf("Successfully loaded %s\n", args[1]) 47 48 fmt.Println(strings.Repeat("=", 80)) 49 fmt.Println("Some Attributes of the Document:") 50 fmt.Printf("Document Name: %s\n", doc.DocumentName) 51 fmt.Printf("DataLicense: %s\n", doc.DataLicense) 52 fmt.Printf("Document Namespace: %s\n", doc.DocumentNamespace) 53 fmt.Printf("SPDX Version: %s\n", doc.SPDXVersion) 54 fmt.Println(strings.Repeat("=", 80)) 55} 56