Added methods to handle booleans

Author: cmaglie

properties.go

@@ -293,6 +293,23 @@ func (m Map) Equals(other Map) bool {
 	return reflect.DeepEqual(m, other)
 }
 
+// GetBoolean returns true if the map contains the specified key and the value
+// equals to the string "true", in any other case returns false.
+func (m Map) GetBoolean(key string) bool {
+	value, ok := m[key]
+	return ok && value == "true"
+}
+
+// SetBoolean sets the specified key to the string "true" of "false" if the value
+// is respectively true or false.
+func (m Map) SetBoolean(key string, value bool) {
+	if value {
+		m[key] = "true"
+	} else {
+		m[key] = "false"
+	}
+}
+
 // MergeMapsOfProperties merge the map-of-Maps (obtained from the method FirstLevelOf()) into the
 // target map-of-Maps.
 func MergeMapsOfProperties(target map[string]Map, sources ...map[string]Map) map[string]Map {

properties_test.go

@@ -152,3 +152,22 @@ func TestPropertiesBroken(t *testing.T) {
 
 	require.Error(t, err)
 }
+
+func TestGetSetBoolean(t *testing.T) {
+	m := Map{
+		"a": "true",
+		"b": "false",
+		"c": "hello",
+	}
+	m.SetBoolean("e", true)
+	m.SetBoolean("f", false)
+
+	require.True(t, m.GetBoolean("a"))
+	require.False(t, m.GetBoolean("b"))
+	require.False(t, m.GetBoolean("c"))
+	require.False(t, m.GetBoolean("d"))
+	require.True(t, m.GetBoolean("e"))
+	require.False(t, m.GetBoolean("f"))
+	require.Equal(t, "true", m["e"])
+	require.Equal(t, "false", m["f"])
+}