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/******************************************************************************
*
* Copyright 2018 Stefan Majewsky <majewsky@gmx.net>
*
* 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 headers
//Metadata is a helper type that provides safe access to the metadata headers
//in a schwift.Headers instance. It cannot be directly constructed, but each
//subtype of schwift.Headers has a field "Metadata" of this type. For example:
//
// var hdr ObjectHeaders
// //the following two statements are equivalent
// hdr.Set("X-Object-Meta-Access", "strictly confidential")
// hdr.Metadata.Set("Access", "strictly confidential")
// //because hdr.Metadata is a headers.Metadata instance
type Metadata struct {
Base
}
//Clear works like Headers.Clear(), but prepends the metadata prefix to the key.
func (m Metadata) Clear(key string) {
m.H.Clear(m.K + key)
}
//Del works like Headers.Del(), but prepends the metadata prefix to the key.
func (m Metadata) Del(key string) {
m.H.Del(m.K + key)
}
//Get works like Headers.Get(), but prepends the metadata prefix to the key.
func (m Metadata) Get(key string) string {
return m.H.Get(m.K + key)
}
//Set works like Headers.Set(), but prepends the metadata prefix to the key.
func (m Metadata) Set(key, value string) {
m.H.Set(m.K+key, value)
}
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