method for project's config path

method of get configuration path

Issue-ID: MSB-239

Change-Id: I256603c9eed40dafe6ecb7d17b57ab1f586d0f11
Signed-off-by: Lvbo163 <lv.bo163@zte.com.cn>

1 files changed, 75 insertions, 0 deletions

diff --git a/msb2pilot/src/msb2pilot/util/common.go b/msb2pilot/src/msb2pilot/util/common.go
new file mode 100644
index 0000000..6053116
--- /dev/null
+++ b/msb2pilot/src/msb2pilot/util/common.go
@@ -0,0 +1,75 @@
+/**
+ * Copyright (c) 2018 ZTE Corporation.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and the Apache License 2.0 which both accompany this distribution,
+ * and are available at http://www.eclipse.org/legal/epl-v10.html
+ * and http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Contributors:
+ *     ZTE - initial Project
+ */
+package util
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+const (
+	ConfigPath = "conf"
+)
+
+func GetCfgPath() string {
+	appPath, err := filepath.Abs(filepath.Dir(os.Args[0]))
+	if err != nil {
+		panic(err)
+	}
+
+	workPath, err := os.Getwd()
+	if err != nil {
+		panic(err)
+	}
+
+	result := filepath.Join(workPath, ConfigPath)
+
+	if !FileExists(result) {
+		result = filepath.Join(appPath, ConfigPath)
+		if !FileExists(result) {
+			goPaths := GetGoPath()
+			for _, path := range goPaths {
+				result = filepath.Join(path, "src", "msb2pilot", ConfigPath)
+				if FileExists(result) {
+					return result
+				}
+			}
+			result = "/"
+		}
+	}
+
+	return result
+
+}
+
+func GetGoPath() []string {
+	paths := os.Getenv("GOPATH")
+	if strings.Contains(paths, ";") { // windows
+		return strings.Split(paths, ";")
+	} else if strings.Contains(paths, ":") { // linux
+		return strings.Split(paths, ":")
+	} else { // only one
+		path := make([]string, 1, 1)
+		path[0] = paths
+		return path
+	}
+}
+
+func FileExists(path string) bool {
+	if _, err := os.Stat(path); err != nil {
+		if os.IsNotExist(err) {
+			return false
+		}
+	}
+	return true
+}