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44 lines
1.2 KiB
44 lines
1.2 KiB
/*
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* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package policy
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import (
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"fmt"
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)
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// Error is the generic type for any error happening during policy
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// parsing.
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type Error struct {
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err error
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}
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// Errorf - formats according to a format specifier and returns
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// the string as a value that satisfies error of type policy.Error
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func Errorf(format string, a ...interface{}) error {
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return Error{err: fmt.Errorf(format, a...)}
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}
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// Unwrap the internal error.
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func (e Error) Unwrap() error { return e.err }
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// Error 'error' compatible method.
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func (e Error) Error() string {
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if e.err == nil {
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return "policy: cause <nil>"
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}
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return e.err.Error()
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}
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