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97 lines
2.7 KiB
Go
97 lines
2.7 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package json
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import (
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"encoding/xml"
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"fmt"
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"strings"
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)
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const (
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document = "document"
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lines = "lines"
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defaultRecordDelimiter = "\n"
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)
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// ReaderArgs - represents elements inside <InputSerialization><JSON/> in request XML.
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type ReaderArgs struct {
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ContentType string `xml:"Type"`
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unmarshaled bool
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}
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// IsEmpty - returns whether reader args is empty or not.
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func (args *ReaderArgs) IsEmpty() bool {
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return !args.unmarshaled
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}
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// UnmarshalXML - decodes XML data.
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func (args *ReaderArgs) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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// Make subtype to avoid recursive UnmarshalXML().
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type subReaderArgs ReaderArgs
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parsedArgs := subReaderArgs{}
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if err := d.DecodeElement(&parsedArgs, &start); err != nil {
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return err
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}
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parsedArgs.ContentType = strings.ToLower(parsedArgs.ContentType)
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switch parsedArgs.ContentType {
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case document, lines:
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default:
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return errInvalidJSONType(fmt.Errorf("invalid ContentType '%v'", parsedArgs.ContentType))
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}
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*args = ReaderArgs(parsedArgs)
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args.unmarshaled = true
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return nil
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}
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// WriterArgs - represents elements inside <OutputSerialization><JSON/> in request XML.
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type WriterArgs struct {
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RecordDelimiter string `xml:"RecordDelimiter"`
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unmarshaled bool
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}
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// IsEmpty - returns whether writer args is empty or not.
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func (args *WriterArgs) IsEmpty() bool {
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return !args.unmarshaled
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}
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// UnmarshalXML - decodes XML data.
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func (args *WriterArgs) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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// Make subtype to avoid recursive UnmarshalXML().
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type subWriterArgs WriterArgs
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parsedArgs := subWriterArgs{}
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if err := d.DecodeElement(&parsedArgs, &start); err != nil {
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return err
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}
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switch len(parsedArgs.RecordDelimiter) {
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case 0:
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parsedArgs.RecordDelimiter = defaultRecordDelimiter
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case 1, 2:
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default:
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return fmt.Errorf("invalid RecordDelimiter '%v'", parsedArgs.RecordDelimiter)
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}
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*args = WriterArgs(parsedArgs)
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args.unmarshaled = true
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return nil
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}
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