JavaRush /ื‘ืœื•ื’ Java /Random-HE /ืกืงื™ืจื” ื›ืœืœื™ืช ืฉืœ REST. ื—ืœืง 1: ืžื”ื™ REST

ืกืงื™ืจื” ื›ืœืœื™ืช ืฉืœ REST. ื—ืœืง 1: ืžื”ื™ REST

ืคื•ืจืกื ื‘ืงื‘ื•ืฆื”
ืฉืœื•ื, ื”ื™ื•ื ื ืœืžื“ ื ื•ืฉื ืžืื•ื“ ืžืขื ื™ื™ืŸ, ื•ื”ื›ื™ ื—ืฉื•ื‘, ืžื‘ื•ืงืฉ ื‘ืฉื•ืง ื”ืขื‘ื•ื“ื” - REST. ืกืงื™ืจื” ื›ืœืœื™ืช ืฉืœ REST.  ื—ืœืง 1: ืžื”ื™ REST - 1ื ื—ืœืง ืืช ื”ืกืงื™ืจื” ื”ื›ืœืœื™ืช ืฉืœ REST ืœืฉืœื•ืฉื” ื—ืœืงื™ื:
  1. ื‘ื—ืœืง ื”ืจืืฉื•ืŸ ื ื™ื’ืข ื‘ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ REST ื•ื ืชืืจ ืืช ื”ืขืงืจื•ื ื•ืช ืฉืขืœื™ื”ื ืžื‘ื•ืกืก REST.

  2. ื‘ืฉื ื™ื™ื”, ื ื‘ื—ืŸ ื›ื™ืฆื“ ืžืชืจื—ืฉืช ืชืงืฉื•ืจืช ื‘ื™ืŸ ื”ืœืงื•ื— ืœืฉืจืช ื‘ืืžืฆืขื•ืช ืคืจื•ื˜ื•ืงื•ืœ HTTP.

  3. ื‘ืฉืœื™ืฉื™ืช ื ื›ืชื•ื‘ ืืคืœื™ืงืฆื™ื™ืช RESTful ืงื˜ื ื”, ืื•ืชื” ื ื‘ื“ื•ืง ื‘ืืžืฆืขื•ืช ืชื•ื›ื ืช Postman.

ื”ืžืืžืจ ืžื™ื•ืขื“ ืœืงื•ืจื ืฉืžื›ื™ืจ ืืช ื”ืžื•ื ื—ื™ื ื”ื‘ืื™ื:
  • HTTP;
  • ื›ืชื•ื‘ืช URL ื•-URI;
  • JSON ื•ื‘ืžื™ื“ื” ืคื—ื•ืชื” XML;
  • ื”ื–ืจืงืช ืชืœื•ืช.

ื—ืœืง 1. ืžื” ื–ื” REST

REST, ื›ืžื• ื”ืจื‘ื” ื“ื‘ืจื™ื ื‘ืขื•ืœื ื”-IT, ื”ื ืจืืฉื™ ืชื™ื‘ื•ืช ืฉืœ ื”ืขื‘ืจืช ืžื“ื™ื ื” ื™ื™ืฆื•ื’ื™ืช . ื–ื”ื• ืกื’ื ื•ืŸ ืืจื›ื™ื˜ืงื˜ื•ื ื™ ืฉืœ ืื™ื ื˜ืจืืงืฆื™ื” ื‘ื™ืŸ ืจื›ื™ื‘ื™ ืžืขืจื›ืช ืžื‘ื•ื–ืจื™ื ื‘ืจืฉืช ืžื—ืฉื‘ื™ื. ื‘ืžื™ืœื™ื ืคืฉื•ื˜ื•ืช, REST ืžื’ื“ื™ืจ ืกื’ื ื•ืŸ ืฉืœ ืื™ื ื˜ืจืืงืฆื™ื” (ื—ื™ืœื•ืคื™ ื ืชื•ื ื™ื) ื‘ื™ืŸ ืจื›ื™ื‘ื™ื ืฉื•ื ื™ื ืฉืœ ืžืขืจื›ืช, ืฉื›ืœ ืื—ื“ ืžื”ื ืขืฉื•ื™ ืœื”ื™ื•ืช ืžืžื•ืงื ืคื™ื–ื™ืช ื‘ืžืงื•ืžื•ืช ืฉื•ื ื™ื. ืกื’ื ื•ืŸ ืื“ืจื™ื›ืœื™ ื–ื” ืžื™ื™ืฆื’ ืงื‘ื•ืฆื” ืขืงื‘ื™ืช ืฉืœ ืื™ืœื•ืฆื™ื ื”ื ืœืงื—ื™ื ื‘ื—ืฉื‘ื•ืŸ ื‘ืขืช โ€‹โ€‹ืชื›ื ื•ืŸ ืžืขืจื›ืช ืžื‘ื•ื–ืจืช. ื”ื’ื‘ืœื•ืช ืืœื• ื ืงืจืื•ืช ืœืขื™ืชื™ื ืขืงืจื•ื ื•ืช REST. ืื™ืŸ ื”ืจื‘ื” ืžื”ื, ืจืง 6 ื—ืœืงื™ื. ื ื“ื‘ืจ ืขืœื™ื”ื ืงืฆืช ืžืื•ื—ืจ ื™ื•ืชืจ.
ืืคืœื™ืงืฆื™ื•ืช ืฉื ื‘ื ื• ืชื•ืš ืžื—ืฉื‘ื” ืขืœ REST, ื›ืœื•ืžืจ. ืฉืื™ื ื ืžืคืจื™ื ืืช ื”ื”ื’ื‘ืœื•ืช ืฉื”ื•ื˜ืœื• ืขืœ ื™ื“ื™ REST ื ืงืจืื™ื RESTful.

ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ REST

ืืช ื”ืžื•ื ื— REST ื˜ื‘ืข ืจื•ื™ ืคื™ืœื“ื™ื ื’, ืื—ื“ ืžื™ื•ืฆืจื™ ืคืจื•ื˜ื•ืงื•ืœ ื”-HTTP, ื‘ืขื‘ื•ื“ืช ื”ื“ื•ืงื˜ื•ืจื˜ ืฉืœื• "ืกื’ื ื•ื ื•ืช ืื“ืจื™ื›ืœื™ื™ื ื•ืขื™ืฆื•ื‘ ืืจื›ื™ื˜ืงื˜ื•ืจื•ืช ืชื•ื›ื ื” ืžื‘ื•ืกืกื•ืช ืจืฉืช" ื‘ืฉื ืช 2000. ืื ื• ื™ื›ื•ืœื™ื ืœื•ืžืจ ืฉื”ืžื•ื ื— REST ืขื“ื™ื™ืŸ ืฆืขื™ืจ, ืœืžืจื•ืช ืฉื”ืžื•ืฉื’ ืฉืœื• ื ืžืฆื ื‘ื‘ืกื™ืก ื”-World Wide Web. ืœื ื ืฆืœื•ืœ ืขืžื•ืง ืœืชื•ืš ื”ื”ื™ืกื˜ื•ืจื™ื” ืฉืœ ืžืงื•ืจ ื”ืžื•ื ื— ื”ื–ื”. ืื ืืชื” ืจื•ืฆื” ืœืฆืœื•ืœ ืœืชื•ืš ื”ืžืงื•ืจื•ืช ื”ืžืงื•ืจื™ื™ื, ืขื™ื™ืŸ ื‘ืขื‘ื•ื“ืช ื”ื“ื•ืงื˜ื•ืจื˜ ืฉืœ ืคื™ืœื“ื™ื ื’ .

ืžื’ื‘ืœื•ืช ื•ืขืงืจื•ื ื•ืช REST

ื›ืคื™ ืฉืฆื•ื™ืŸ ืœืขื™ืœ, REST ืžื’ื“ื™ืจ ื›ื™ืฆื“ ืจื›ื™ื‘ื™ ืžืขืจื›ืช ืžื‘ื•ื–ืจืช ืฆืจื™ื›ื™ื ืœืงื™ื™ื ืื™ื ื˜ืจืืงืฆื™ื” ื–ื” ืขื ื–ื”. ื‘ืื•ืคืŸ ื›ืœืœื™, ื–ื” ืงื•ืจื” ื‘ืืžืฆืขื•ืช ื‘ืงืฉื”-ืชื’ื•ื‘ื”. ื”ืจื›ื™ื‘ ืฉืฉื•ืœื— ืืช ื”ื‘ืงืฉื” ื ืงืจื ื”ืœืงื•ื— ; ื”ืจื›ื™ื‘ ืฉืžืขื‘ื“ ืืช ื”ื‘ืงืฉื” ื•ืฉื•ืœื— ืชื’ื•ื‘ื” ืœืœืงื•ื— ื ืงืจื ืฉืจืช . ื‘ืงืฉื•ืช ื•ืชื’ื•ื‘ื•ืช ื ืฉืœื—ื•ืช ืœืจื•ื‘ ื‘ืืžืฆืขื•ืช HTTP (ืคืจื•ื˜ื•ืงื•ืœ HyperText Transfer). ื‘ื“ืจืš ื›ืœืœ, ืฉืจืช ื”ื•ื ืกื•ื’ ืฉืœ ื™ื™ืฉื•ื ืื™ื ื˜ืจื ื˜. ื”ืœืงื•ื— ื™ื›ื•ืœ ืœื”ื™ื•ืช ืœื ืกืชื ื›ืœ ื“ื‘ืจ, ืืœื ื“ื™ ื”ืจื‘ื”. ืœื“ื•ื’ืžื”, ืืคืœื™ืงืฆื™ื” ืกืœื•ืœืจื™ืช ื”ืžื‘ืงืฉืช ื ืชื•ื ื™ื ืžื”ืฉืจืช. ืื• ื“ืคื“ืคืŸ ืฉืฉื•ืœื— ื‘ืงืฉื•ืช ืžื“ืฃ ืื™ื ื˜ืจื ื˜ ืœืฉืจืช ื›ื“ื™ ืœื”ื•ืจื™ื“ ื ืชื•ื ื™ื. ืืคืœื™ืงืฆื™ื” ื' ื™ื›ื•ืœื” ืœื‘ืงืฉ ื ืชื•ื ื™ื ืžืืคืœื™ืงืฆื™ื” ื‘'. ื•ืื– A ื”ื•ื ืœืงื•ื— ื‘ื™ื—ืก ืœ-B, ื•-B ื”ื•ื ืฉืจืช ื‘ื™ื—ืก ืœ-A. ื‘ืžืงื‘ื™ืœ, ื' ื™ื›ื•ืœ ืœืขื‘ื“ ื‘ืงืฉื•ืช ืž-C, D, D ื•ื›ื•'. ื‘ืžืงืจื” ื–ื”, ื™ื™ืฉื•ื A ื”ื•ื ื’ื ืฉืจืช ื•ื’ื ืœืงื•ื—. ื”ื›ืœ ืชืœื•ื™ ื‘ื”ืงืฉืจ. ื“ื‘ืจ ืื—ื“ ื‘ืจื•ืจ: ื”ืจื›ื™ื‘ ืฉืฉื•ืœื— ืืช ื”ื‘ืงืฉื” ื”ื•ื ื”ืœืงื•ื—. ื”ืจื›ื™ื‘ ืฉืžืงื‘ืœ, ืžืขื‘ื“ ื•ืžื’ื™ื‘ ืœื‘ืงืฉื” ื”ื•ื ื”ืฉืจืช. ืขื ื–ืืช, ืœื ื›ืœ ืžืขืจื›ืช ืฉืจื›ื™ื‘ื™ื” ืžืชืงืฉืจื™ื ื‘ืืžืฆืขื•ืช ื‘ืงืฉื”-ืชื’ื•ื‘ื” ื”ื™ื ืžืขืจื›ืช REST (ืื• RESTful). ื›ื“ื™ ืฉืžืขืจื›ืช ืชื™ื—ืฉื‘ RESTful, ืขืœื™ื” "ืœื”ืชืื™ื" ืœืฉื™ืฉื” ืื™ืœื•ืฆื™ REST:

1. ื”ื‘ืืช ื”ืืจื›ื™ื˜ืงื˜ื•ืจื” ืœืžื•ื“ืœ ืฉืจืช-ืœืงื•ื—

ื”ื‘ืกื™ืก ืœืžื’ื‘ืœื” ื–ื• ื”ื•ื ื‘ื™ื“ื•ืœ ื”ืฆืจื›ื™ื. ื™ืฉ ืฆื•ืจืš ืœื”ืคืจื™ื“ ื‘ื™ืŸ ืฆืจื›ื™ ืžืžืฉืง ื”ืœืงื•ื— ืœืฆืจื›ื™ ื”ืฉืจืช ื”ืžืื—ืกืŸ ืืช ื”ื ืชื•ื ื™ื. ืžื’ื‘ืœื” ื–ื• ืžื’ื“ื™ืœื” ืืช ื”ื ื™ื™ื“ื•ืช ืฉืœ ืงื•ื“ ื”ืœืงื•ื— ืœืคืœื˜ืคื•ืจืžื•ืช ืื—ืจื•ืช, ื•ืคื™ืฉื•ื˜ ื—ืœืง ื”ืฉืจืช ืžืฉืคืจ ืืช ื™ื›ื•ืœืช ื”ื”ืจื—ื‘ื” ืฉืœ ื”ืžืขืจื›ืช. ืขืฆื ื”ื”ื‘ื—ื ื” ื‘ื™ืŸ "ืœืงื•ื—" ืœ"ืฉืจืช" ืžืืคืฉืจืช ืœื”ื ืœื”ืชืคืชื— ืœืœื ืชืœื•ืช ื–ื” ื‘ื–ื”.

2. ื—ื•ืกืจ ืžืฆื‘

ืืจื›ื™ื˜ืงื˜ื•ืจืช REST ืžื—ื™ื™ื‘ืช ืœืขืžื•ื“ ื‘ืชื ืื™ ื”ื‘ื. ื‘ื™ืŸ ื‘ืงืฉื•ืช, ื”ืฉืจืช ืœื ืฆืจื™ืš ืœืื—ืกืŸ ืžื™ื“ืข ืขืœ ืžืฆื‘ ื”ืœืงื•ื— ื•ืœื”ื™ืคืš. ื›ืœ ื”ื‘ืงืฉื•ืช ืžื”ืœืงื•ื— ื—ื™ื™ื‘ื•ืช ืœื”ื™ื•ืช ืžื•ื‘ื ื•ืช ื›ืš ืฉื”ืฉืจืช ื™ืงื‘ืœ ืืช ื›ืœ ื”ืžื™ื“ืข ื”ื“ืจื•ืฉ ืœื”ืฉืœืžืช ื”ื‘ืงืฉื”. ื‘ื“ืจืš ื–ื•, ื’ื ื”ืฉืจืช ื•ื’ื ื”ืœืงื•ื— ื™ื›ื•ืœื™ื "ืœื”ื‘ื™ืŸ" ื›ืœ ื”ื•ื“ืขื” ืฉื”ืชืงื‘ืœื” ืžื‘ืœื™ ืœื”ืกืชืžืš ืขืœ ื”ื•ื“ืขื•ืช ืงื•ื“ืžื•ืช.

3. ืฉืžื™ืจื” ื‘ืžื˜ืžื•ืŸ

ืœืงื•ื—ื•ืช ื™ื›ื•ืœื™ื ืœืฉืžื•ืจ ืชื’ื•ื‘ื•ืช ืฉืจืช ื‘ืžื˜ืžื•ืŸ. ืืœื”, ื‘ืชื•ืจื, ื—ื™ื™ื‘ื™ื ืœื”ื™ื•ืช ืžื•ื’ื“ืจื™ื ื‘ืžืคื•ืจืฉ ืื• ื‘ืžืฉืชืžืข ื›ื ื™ืชื ื™ื ืœืงื•ื‘ืฅ ืฉืžื•ืจ ืื• ื‘ืœืชื™ ื ื™ืชื ื™ื ืœืฉืžื™ืจื”, ื›ื“ื™ ืฉืœืงื•ื—ื•ืช ืœื ื™ืงื‘ืœื• ื ืชื•ื ื™ื ืžืขื•ืคืฉื™ื ืื• ืฉื’ื•ื™ื™ื ื‘ืชื’ื•ื‘ื” ืœื‘ืงืฉื•ืช ืขื•ืงื‘ื•ืช. ืฉื™ืžื•ืฉ ื ื›ื•ืŸ ื‘ืžื˜ืžื•ืŸ ืžืกื™ื™ืข ื‘ื‘ื™ื˜ื•ืœ ื—ืœืง ืžืื™ื ื˜ืจืืงืฆื™ื•ืช ืœืงื•ื—-ืฉืจืช, ื‘ืื•ืคืŸ ืžืœื ืื• ื—ืœืงื™, ื•ืžื’ื‘ื™ืจ ืขื•ื“ ื™ื•ืชืจ ืืช ื‘ื™ืฆื•ืขื™ ื”ืžืขืจื›ืช ื•ืืช ื™ื›ื•ืœืช ื”ื”ืจื—ื‘ื”.

4. ืื—ื™ื“ื•ืช ื”ืžืžืฉืง

ื”ื“ืจื™ืฉื•ืช ื”ื‘ืกื™ืกื™ื•ืช ืฉืœ ืืจื›ื™ื˜ืงื˜ื•ืจืช REST ื›ื•ืœืœื•ืช ืžืžืฉืง ืื—ื™ื“ ื•ืื—ื™ื“. ื”ืœืงื•ื— ื—ื™ื™ื‘ ืชืžื™ื“ ืœื”ื‘ื™ืŸ ื‘ืื™ื–ื” ืคื•ืจืžื˜ ื•ืœืื™ืœื• ื›ืชื•ื‘ื•ืช ื”ื•ื ืฆืจื™ืš ืœืฉืœื•ื— ื‘ืงืฉื”, ื•ื”ืฉืจืช, ื‘ืชื•ืจื•, ื—ื™ื™ื‘ ืœื”ื‘ื™ืŸ ื’ื ื‘ืื™ื–ื” ืคื•ืจืžื˜ ื”ื•ื ืฆืจื™ืš ืœื”ื’ื™ื‘ ืœื‘ืงืฉื•ืช ื”ืœืงื•ื—. ื–ื”ื• ืคื•ืจืžื˜ ืžืื•ื—ื“ ืœืื™ื ื˜ืจืืงืฆื™ื” ื‘ื™ืŸ ืœืงื•ื— ืœืฉืจืช, ื”ืžืชืืจ ืžื”, ืื™ืคื”, ื‘ืื™ื–ื• ืฆื•ืจื” ื•ื›ื™ืฆื“ ืœืฉืœื•ื— ื•ื”ื•ื ืžืžืฉืง ืžืื•ื—ื“

5. ืฉื›ื‘ื•ืช

ืฉื›ื‘ื•ืช ืžืชื™ื™ื—ืกื•ืช ืœืžื‘ื ื” ื”ื”ื™ืจืจื›ื™ ืฉืœ ืจืฉืชื•ืช. ืœืคืขืžื™ื ื”ืœืงื•ื— ื™ื›ื•ืœ ืœืชืงืฉืจ ื™ืฉื™ืจื•ืช ืขื ื”ืฉืจืช, ื•ืœืคืขืžื™ื ื”ื•ื ื™ื›ื•ืœ ืคืฉื•ื˜ ืœืชืงืฉืจ ืขื ืฆื•ืžืช ื‘ื™ื ื™ื™ื. ื”ืฉื™ืžื•ืฉ ื‘ืฉืจืชื™ ื‘ื™ื ื™ื™ื ื™ื›ื•ืœ ืœื”ื’ื‘ื™ืจ ืืช ื”ืžื“ืจื’ื™ื•ืช ื‘ืืžืฆืขื•ืช ืื™ื–ื•ืŸ ืขื•ืžืกื™ื ื•ืžื˜ืžื•ืŸ ืžื‘ื•ื–ืจ. ื‘ื•ืื• ื ื™ืชืŸ ื“ื•ื’ืžื”. ื‘ื•ืื• ื ื“ืžื™ื™ืŸ ืืคืœื™ืงืฆื™ื” ืœื ื™ื™ื“ ืฉืคื•ืคื•ืœืจื™ืช ื‘ื›ืœ ื”ืขื•ืœื. ื”ื—ืœืง ื”ืื™ื ื˜ื’ืจืœื™ ืฉืœื• ื”ื•ื ื˜ืขื™ื ืช ืชืžื•ื ื•ืช. ืžื›ื™ื•ื•ืŸ ืฉื™ืฉ ืžื™ืœื™ื•ื ื™ ืžืฉืชืžืฉื™ื, ืฉืจืช ืื—ื“ ืœื ื™ื›ื•ืœ ื”ื™ื” ืœืขืžื•ื“ ื‘ืขื•ืžืก ื›ื” ื›ื‘ื“. ื—ืœื•ืงืช ื”ืžืขืจื›ืช ืœืฉื›ื‘ื•ืช ืชืคืชื•ืจ ืืช ื”ื‘ืขื™ื” ื”ื–ื•. ื”ืœืงื•ื— ื™ื‘ืงืฉ ืชืžื•ื ื” ืžื”ืฆื•ืžืช ื”ื‘ื™ื ื™ื™ื, ืฆื•ืžืช ื”ื‘ื™ื ื™ื™ื ื™ื‘ืงืฉ ืืช ื”ืชืžื•ื ื” ืžื”ืฉืจืช ืฉื”ื›ื™ ืคื—ื•ืช ื˜ืขื•ืŸ ื›ืจื’ืข, ื•ื™ื—ื–ื™ืจ ืืช ื”ืชืžื•ื ื” ืœืœืงื•ื—. ืื ืžื˜ืžื•ืŸ ืžื™ื•ืฉื ื›ื”ืœื›ื” ื›ืืŸ ื‘ื›ืœ ืจืžื” ืฉืœ ื”ื”ื™ืจืจื›ื™ื”, ืื– ื ื™ืชืŸ ืœื”ืฉื™ื’ ืžื“ืจื’ื™ื•ืช ื˜ื•ื‘ื” ืฉืœ ื”ืžืขืจื›ืช.

6. ืงื•ื“ ืœืคื™ ื“ืจื™ืฉื” (ื”ื’ื‘ืœื” ืื•ืคืฆื™ื•ื ืœื™ืช)

ืžื’ื‘ืœื” ื–ื• ืžืจืžื–ืช ืฉื”ืœืงื•ื— ื™ื›ื•ืœ ืœื”ืจื—ื™ื‘ ืืช ื”ืคื•ื ืงืฆื™ื•ื ืœื™ื•ืช ืฉืœื• ืขืœ ื™ื“ื™ ื”ื•ืจื“ืช ืงื•ื“ ืžื”ืฉืจืช ื‘ืฆื•ืจื” ืฉืœ ื™ื™ืฉื•ืžื•ื ื™ื ืื• ืกืงืจื™ืคื˜ื™ื.

ื”ื™ืชืจื•ื ื•ืช ืฉืœ REST

ืœืืคืœื™ืงืฆื™ื•ืช ื”ืขื•ืžื“ื•ืช ื‘ื›ืœ ื”ื”ื’ื‘ืœื•ืช ืœืขื™ืœ ื™ืฉ ืืช ื”ื™ืชืจื•ื ื•ืช ื”ื‘ืื™ื: ืืžื™ื ื•ืช (ืื™ืŸ ืฆื•ืจืš ืœืื—ืกืŸ ืžื™ื“ืข ืขืœ ืžืฆื‘ ื”ืœืงื•ื—, ืฉืขืœื•ืœ ืœืœื›ืช ืœืื™ื‘ื•ื“);
  • ื‘ื™ืฆื•ืขื™ื (ืขืงื‘ ืฉื™ืžื•ืฉ ื‘ืžื˜ืžื•ืŸ);
  • ืžื“ืจื’ื™ื•ืช;
  • ืฉืงื™ืคื•ืช ืฉืœ ืžืขืจื›ืช ื”ืื™ื ื˜ืจืืงืฆื™ื”;
  • ืคืฉื˜ื•ืช ื”ืžืžืฉืงื™ื;
  • ื ื™ื™ื“ื•ืช ืฉืœ ืจื›ื™ื‘ื™ื;
  • ืงืœื•ืช ื‘ื™ืฆื•ืข ืฉื™ื ื•ื™ื™ื;
  • ื”ื™ื›ื•ืœืช ืœื”ืชืคืชื—, ืœื”ืกืชื’ืœ ืœื“ืจื™ืฉื•ืช ื—ื“ืฉื•ืช.
ื—ืœืง 2: ืชืงืฉื•ืจืช ื‘ื™ืŸ ืœืงื•ื— ืœืฉืจืช ื—ืœืง 3: ื™ืฆื™ืจืช ืฉื™ืจื•ืช RESTful ื‘-Spring Boot
ื”ืขืจื•ืช
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