Add java entities

# Conflicts:
#	redistruable/javaentities/java.go

redistruable/javaentities/java.go

@@ -0,0 +1,113 @@
+package javaentities
+
+import (
+	"errors"
+	"os"
+	"path"
+	"runtime"
+	"strconv"
+	"strings"
+<<<<<<< HEAD
+=======
+
+	"git.gregbrzezinski.com/Skirda/skirdaGoLauncher/api"
+	"git.gregbrzezinski.com/Skirda/skirdaGoLauncher/downloader"
+>>>>>>> 7b3396a (Add java entities)
+)
+
+type JavaVersion struct {
+	Major int
+	Minor int
+	Patch int
+}
+
+type JavaMetas struct {
+	JavaVersions []JavaMeta `json:"javaVersions"`
+}
+
+<<<<<<< HEAD
+func (jm JavaMetas) GetOsURL() (string, error) {
+
+}
+
+=======
+>>>>>>> 7b3396a (Add java entities)
+type JavaMeta struct {
+	Version struct {
+		Major string `json:"major"`
+		Minor string `json:"minor"`
+		Patch string `json:"patch"`
+	} `json:"version"`
+	Specifics `json:"specifics"`
+}
+
+type SpecificJavaVersion struct {
+	Os   string `json:"os"`
+	Arch string `json:"arch"`
+	URL  string `json:"URL"`
+	Sha1 string `json:"SHA1"`
+}
+
+type Specifics []SpecificJavaVersion
+
+func (s Specifics) getOsJava() (SpecificJavaVersion, error) {
+	for _, v := range s {
+		if v.Os == runtime.GOOS {
+			return v, nil
+		}
+	}
+	return SpecificJavaVersion{}, errors.New("not java for current os")
+}
+
+func (v *JavaVersion) CheckNotExists(launcherPath string) bool {
+<<<<<<< HEAD
+=======
+
+>>>>>>> 7b3396a (Add java entities)
+	javaBinPath := path.Join(launcherPath, ".redist", "java", v.GetString())
+	_, err := os.Stat(javaBinPath)
+
+	return err != nil
+}
+
+func (v *JavaVersion) GetString() string {
+	var stringBuilder strings.Builder
+	stringBuilder.WriteString(strconv.Itoa(v.Major))
+	stringBuilder.WriteRune('.')
+	stringBuilder.WriteString(strconv.Itoa(v.Minor))
+	stringBuilder.WriteRune('.')
+	stringBuilder.WriteString(strconv.Itoa(v.Patch))
+
+	return stringBuilder.String()
+}
+<<<<<<< HEAD
+=======
+
+func (v *JavaVersion) DownloadLatest(downloadDir string) (downloader.DownloadFile, error) {
+	javaVersionMeta := JavaMetas{}
+	task := downloader.DownloadFile{
+		Url:  "",
+		Path: "",
+	}
+
+	javaVersionMeta, err := api.GetJavaVersionMetas()
+
+	// if err := downloadJson("https://skirda.gregbrzezinski.com/java_version_manifest.json", &javaVersionMeta); err != nil {
+	// 	return task, errors.New("error in download json")
+	// }
+
+	// javaSpecific := SpecificJavaVersion{}
+
+	javaSpecific, err := javaVersionMeta.getOsJava()
+	if err != nil {
+		return task, err
+	}
+
+	task = downloader.DownloadFile{
+		Url:  javaSpecific.URL,
+		Path: path.Join(downloadDir, v.GetString()),
+	}
+
+	return task, nil
+}
+>>>>>>> 7b3396a (Add java entities)