81 lines
1.9 KiB
Plaintext
81 lines
1.9 KiB
Plaintext
indexing
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description: "A JSON converter for BOOK_COLLECTION"
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author: "Paul Cohen"
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date: "$Date$"
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revision: "$Revision$"
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file: "$HeadURL: https://svn.origo.ethz.ch/ejson/branches/POC-converters-factory/test/json_book_collection_converter.e $"
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class JSON_BOOK_COLLECTION_CONVERTER
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inherit
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JSON_CONVERTER
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create
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make
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feature {NONE} -- Initialization
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make is
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local
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ucs: UC_STRING
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do
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create ucs.make_from_string ("")
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create object.make (ucs)
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end
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feature -- Access
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value: JSON_OBJECT
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object: BOOK_COLLECTION
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feature -- Conversion
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from_json (j: like value): like object is
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local
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ucs: UC_STRING
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ll: DS_LINKED_LIST [BOOK]
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b: BOOK
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ja: JSON_ARRAY
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i: INTEGER
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do
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ucs ?= json.object (j.item (name_key), Void)
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check ucs /= Void end
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create Result.make (ucs)
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ja ?= j.item (books_key)
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check ja /= Void end
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from
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i := 1
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create ll.make
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until
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i > ja.count
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loop
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b ?= json.object (ja [i], "BOOK")
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check b /= Void end
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ll.put_last (b)
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i := i + 1
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end
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check ll /= Void end
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Result.add_books (ll)
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end
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to_json (o: like object): like value is
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do
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create Result.make
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Result.put (json.value (o.name), name_key)
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Result.put (json.value (o.books), books_key)
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end
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feature {NONE} -- Implementation
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name_key: JSON_STRING is
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once
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create Result.make_json ("name")
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end
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books_key: JSON_STRING is
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once
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create Result.make_json ("books")
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end
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end -- class JSON_BOOK_COLLECTION_CONVERTER |