[VOL-2761][VOL-2905] Support for DT workflow
Change-Id: I9fe1fae20d3a5970a474a234aa3bde0f9110569e
diff --git a/vendor/github.com/fatih/structs/field.go b/vendor/github.com/fatih/structs/field.go
new file mode 100644
index 0000000..e697832
--- /dev/null
+++ b/vendor/github.com/fatih/structs/field.go
@@ -0,0 +1,141 @@
+package structs
+
+import (
+ "errors"
+ "fmt"
+ "reflect"
+)
+
+var (
+ errNotExported = errors.New("field is not exported")
+ errNotSettable = errors.New("field is not settable")
+)
+
+// Field represents a single struct field that encapsulates high level
+// functions around the field.
+type Field struct {
+ value reflect.Value
+ field reflect.StructField
+ defaultTag string
+}
+
+// Tag returns the value associated with key in the tag string. If there is no
+// such key in the tag, Tag returns the empty string.
+func (f *Field) Tag(key string) string {
+ return f.field.Tag.Get(key)
+}
+
+// Value returns the underlying value of the field. It panics if the field
+// is not exported.
+func (f *Field) Value() interface{} {
+ return f.value.Interface()
+}
+
+// IsEmbedded returns true if the given field is an anonymous field (embedded)
+func (f *Field) IsEmbedded() bool {
+ return f.field.Anonymous
+}
+
+// IsExported returns true if the given field is exported.
+func (f *Field) IsExported() bool {
+ return f.field.PkgPath == ""
+}
+
+// IsZero returns true if the given field is not initialized (has a zero value).
+// It panics if the field is not exported.
+func (f *Field) IsZero() bool {
+ zero := reflect.Zero(f.value.Type()).Interface()
+ current := f.Value()
+
+ return reflect.DeepEqual(current, zero)
+}
+
+// Name returns the name of the given field
+func (f *Field) Name() string {
+ return f.field.Name
+}
+
+// Kind returns the fields kind, such as "string", "map", "bool", etc ..
+func (f *Field) Kind() reflect.Kind {
+ return f.value.Kind()
+}
+
+// Set sets the field to given value v. It returns an error if the field is not
+// settable (not addressable or not exported) or if the given value's type
+// doesn't match the fields type.
+func (f *Field) Set(val interface{}) error {
+ // we can't set unexported fields, so be sure this field is exported
+ if !f.IsExported() {
+ return errNotExported
+ }
+
+ // do we get here? not sure...
+ if !f.value.CanSet() {
+ return errNotSettable
+ }
+
+ given := reflect.ValueOf(val)
+
+ if f.value.Kind() != given.Kind() {
+ return fmt.Errorf("wrong kind. got: %s want: %s", given.Kind(), f.value.Kind())
+ }
+
+ f.value.Set(given)
+ return nil
+}
+
+// Zero sets the field to its zero value. It returns an error if the field is not
+// settable (not addressable or not exported).
+func (f *Field) Zero() error {
+ zero := reflect.Zero(f.value.Type()).Interface()
+ return f.Set(zero)
+}
+
+// Fields returns a slice of Fields. This is particular handy to get the fields
+// of a nested struct . A struct tag with the content of "-" ignores the
+// checking of that particular field. Example:
+//
+// // Field is ignored by this package.
+// Field *http.Request `structs:"-"`
+//
+// It panics if field is not exported or if field's kind is not struct
+func (f *Field) Fields() []*Field {
+ return getFields(f.value, f.defaultTag)
+}
+
+// Field returns the field from a nested struct. It panics if the nested struct
+// is not exported or if the field was not found.
+func (f *Field) Field(name string) *Field {
+ field, ok := f.FieldOk(name)
+ if !ok {
+ panic("field not found")
+ }
+
+ return field
+}
+
+// FieldOk returns the field from a nested struct. The boolean returns whether
+// the field was found (true) or not (false).
+func (f *Field) FieldOk(name string) (*Field, bool) {
+ value := &f.value
+ // value must be settable so we need to make sure it holds the address of the
+ // variable and not a copy, so we can pass the pointer to strctVal instead of a
+ // copy (which is not assigned to any variable, hence not settable).
+ // see "https://blog.golang.org/laws-of-reflection#TOC_8."
+ if f.value.Kind() != reflect.Ptr {
+ a := f.value.Addr()
+ value = &a
+ }
+ v := strctVal(value.Interface())
+ t := v.Type()
+
+ field, ok := t.FieldByName(name)
+ if !ok {
+ return nil, false
+ }
+
+ return &Field{
+ field: field,
+ value: v.FieldByName(name),
+ }, true
+}