internal/configutil/list.go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package configutil

import "strings"

// ParseList parses s as a list of strings, separated by sep,
// and with whitespace trimmed from the list items, omitting
// empty items.
func ParseList(s, sep string) []string {
	var list []string
	for _, item := range strings.Split(s, sep) {
		item = strings.TrimSpace(item)
		if item != "" {
			list = append(list, item)
		}
	}
	return list
}