/*******************************************************************************
 * Copyright 2019 Dell Inc.
 *
 * Licensed 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 utils

import (
	"context"
)

// FromContext allows for the retrieval of the specified key's value from the supplied Context.
// If the value is not found, an empty string is returned.
func FromContext(ctx context.Context, key string) string {
	hdr, ok := ctx.Value(key).(string)
	if !ok {
		hdr = ""
	}
	return hdr
}