view pkg/common/json.go @ 5520:05db984d3db1

Improve performance of bottleneck area calculation Avoid buffer calculations by replacing them with simple distance comparisons and calculate the boundary of the result geometry only once per iteration. In some edge cases with very large numbers of iterations, this reduced the runtime of a bottleneck import by a factor of more than twenty.
author Tom Gottfried <tom@intevation.de>
date Thu, 21 Oct 2021 19:50:39 +0200
parents 24445a618513
children 6270951dda28
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// This is Free Software under GNU Affero General Public License v >= 3.0
// without warranty, see README.md and license for details.
//
// SPDX-License-Identifier: AGPL-3.0-or-later
// License-Filename: LICENSES/AGPL-3.0.txt
//
// Copyright (C) 2018 by via donau
//   – Österreichische Wasserstraßen-Gesellschaft mbH
// Software engineering by Intevation GmbH
//
// Author(s):
//  * Sascha L. Teichmann <sascha.teichmann@intevation.de>

package common

import (
	"encoding/json"
	"strings"
)

// FromJSONString revives data from a JSON string.
func FromJSONString(data string, dst interface{}) error {
	return json.NewDecoder(strings.NewReader(data)).Decode(dst)
}

// ToJSONString serializes src into a string to
// be revived by FromJSONString.
func ToJSONString(src interface{}) (string, error) {
	var b strings.Builder
	if err := json.NewEncoder(&b).Encode(src); err != nil {
		return "", err
	}
	return b.String(), nil
}