๐Ÿ’ Spring/Spring ํ•ต์‹ฌ ๊ธฐ์ˆ 

10. IoC ์ปจํ…Œ์ด๋„ˆ 9๋ถ€ : ResourceLoader

2020. 7. 8. 22:55
๋ฐ˜์‘ํ˜•

๋ฆฌ์†Œ์Šค๋ฅผ ์ฝ์–ด์˜ค๋Š” ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•˜๋Š” ์ธํ„ฐํŽ˜์ด์Šค

 

ApplicationContext extends ResourceLoarder

 

๋ฆฌ์†Œ์Šค ์ฝ์–ด์˜ค๊ธฐ

  • ํŒŒ์ผ ์‹œ์Šคํ…œ์—์„œ ์ฝ์–ด์˜ค๊ธฐ
  • ํด๋ž˜์ŠคํŒจ์Šค์—์„œ ์ฝ์–ด์˜ค๊ธฐ
  • URL๋กœ ์ฝ์–ด์˜ค๊ธฐ
  • ์ƒ๋Œ€/์ ˆ๋Œ€ ๊ฒฝ๋กœ๋กœ ์ฝ์–ด์˜ค๊ธฐ

 

resource.exists();

@Component
public class AppRunner implements ApplicationRunner {

    @Autowired
    ResourceLoader resourceLoader;

    @Override
    public void run(ApplicationArguments args) throws Exception {
        Resource resource = resourceLoader.getResource("classpath:test.txt");//test.txt๋ผ๋Š” ํŒŒ์ผ์„ ๋ฐ›์•„์˜จ๋‹ค.
        System.out.println(resource.exists());//resource์— test.txt ํŒŒ์ผ์ด ์กด์žฌํ•˜๋Š”๊ฐ€?
    }
}

 

์‹คํ–‰ ๊ฒฐ๊ณผ

false

 

 

 

resource file ๋‚ด์šฉ ์ฝ์–ด๋“ค์ด๊ธฐ

@Component
public class AppRunner implements ApplicationRunner {

    @Autowired
    ResourceLoader resourceLoader;

    @Override
    public void run(ApplicationArguments args) throws Exception {
        Resource resource = resourceLoader.getResource("classpath:test.txt");
        //test.txt ํŒŒ์ผ์ด ์กด์žฌ ํ•˜๋Š”์ง€?
        System.out.println(resource.exists());
		//resource์˜ ํ’€ ํŒจํ‚ค์ง€ ์ด๋ฆ„ ์ถœ๋ ฅ
        System.out.println(resource.getDescription());
        //test.txtํŒŒ์ผ ๋‚ด์šฉ์„ ์ฝ์–ด๋“ค์ด๊ธฐ
        System.out.println(Files.readString(Path.of(resource.getURI())));
        //Files ๋ฉ”์†Œ๋“œ๋Š” java11๋ถ€ํ„ฐ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•˜๊ฒŒ๋œ ๋ฉ”์†Œ๋“œ๋‹ค.
    }
}

์‹คํ–‰ ๊ฒฐ๊ณผ

true
class path resource [test.txt]
Hello Spring

URI ๋ž€?? https://iseunghan.tistory.com/86

 

Resource getResource(java.lang.String loation)

 

 

 

์ž์„ธํ•œ๊ฑด ๋‹ค์Œ๊ธ€ Resource ์ถ”์ƒํ™”๋ฅผ ์ฐธ์กฐํ•˜๋ผ.

๋ฐ˜์‘ํ˜•
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'๐Ÿ’ Spring/Spring ํ•ต์‹ฌ ๊ธฐ์ˆ ' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
  • 12. Validation ์ถ”์ƒํ™”
  • 11. Resource ์ถ”์ƒํ™”
  • 9. IoC ์ปจํ…Œ์ด๋„ˆ 8๋ถ€ : ApplicationEventPublisher
  • 8. IoC ์ปจํ…Œ์ด๋„ˆ 7๋ถ€ : MessageSource
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iseunghan
10. IoC ์ปจํ…Œ์ด๋„ˆ 9๋ถ€ : ResourceLoader
์ƒ๋‹จ์œผ๋กœ

ํ‹ฐ์Šคํ† ๋ฆฌํˆด๋ฐ”

๊ฐœ์ธ์ •๋ณด

  • ํ‹ฐ์Šคํ† ๋ฆฌ ํ™ˆ
  • ํฌ๋Ÿผ
  • ๋กœ๊ทธ์ธ

๋‹จ์ถ•ํ‚ค

๋‚ด ๋ธ”๋กœ๊ทธ

๋‚ด ๋ธ”๋กœ๊ทธ - ๊ด€๋ฆฌ์ž ํ™ˆ ์ „ํ™˜
Q
Q
์ƒˆ ๊ธ€ ์“ฐ๊ธฐ
W
W

๋ธ”๋กœ๊ทธ ๊ฒŒ์‹œ๊ธ€

๊ธ€ ์ˆ˜์ • (๊ถŒํ•œ ์žˆ๋Š” ๊ฒฝ์šฐ)
E
E
๋Œ“๊ธ€ ์˜์—ญ์œผ๋กœ ์ด๋™
C
C

๋ชจ๋“  ์˜์—ญ

์ด ํŽ˜์ด์ง€์˜ URL ๋ณต์‚ฌ
S
S
๋งจ ์œ„๋กœ ์ด๋™
T
T
ํ‹ฐ์Šคํ† ๋ฆฌ ํ™ˆ ์ด๋™
H
H
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* ๋‹จ์ถ•ํ‚ค๋Š” ํ•œ๊ธ€/์˜๋ฌธ ๋Œ€์†Œ๋ฌธ์ž๋กœ ์ด์šฉ ๊ฐ€๋Šฅํ•˜๋ฉฐ, ํ‹ฐ์Šคํ† ๋ฆฌ ๊ธฐ๋ณธ ๋„๋ฉ”์ธ์—์„œ๋งŒ ๋™์ž‘ํ•ฉ๋‹ˆ๋‹ค.