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2021-08-02

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Elex
2021-08-02 17:02:06 +09:00
parent 7d3ad1cce0
commit d45139dd58
79 changed files with 1685 additions and 152 deletions
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file-upload/README.md Normal file
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# 파일 업로드

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/*
* Spring-boot Examples
*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
plugins {
id("elex-spring-boot")
id("org.springframework.boot") version "2.5.3"
id("io.spring.dependency-management") version "1.0.11.RELEASE"
}
dependencies {
implementation("org.springframework.boot:spring-boot-starter-web")
implementation("org.springframework.boot:spring-boot-starter-mustache")
compileOnly("org.projectlombok:lombok")
developmentOnly("org.springframework.boot:spring-boot-devtools")
runtimeOnly("org.mariadb.jdbc:mariadb-java-client")
annotationProcessor("org.springframework.boot:spring-boot-configuration-processor")
annotationProcessor("org.projectlombok:lombok")
testImplementation("org.springframework.boot:spring-boot-starter-test")
}

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file-upload/src/main/java/kr/pe/elex/examples/Application.java Normal file
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/*
* Spring-boot Examples
*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

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file-upload/src/main/java/kr/pe/elex/examples/MyController.java Normal file
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/*
* Spring-boot Examples
*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import lombok.extern.slf4j.Slf4j;
import org.jetbrains.annotations.NotNull;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.Resource;
import org.springframework.http.ContentDisposition;
import org.springframework.http.HttpHeaders;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
@Slf4j
@Controller
public class MyController {
@Autowired
private StorageService storageService;
@GetMapping(path = {"/"})
public String index(@NotNull Model model) {
model.addAttribute("files", storageService.listFiles());
return "main";
}
/**
* 파일 업로드
* @param file
* @param redirectAttributes
* @return
*/
@PostMapping(path = {"/upload"})
public String upload(final @RequestParam("file") MultipartFile file,
final @NotNull RedirectAttributes redirectAttributes) {
storageService.store(file);
// 업로드 후 새로 고침
redirectAttributes.addFlashAttribute("message",
"You successfully uploaded " + file.getOriginalFilename() + "!");
return "redirect:/";
}
/**
* 파일 다운로드
* @param filename
* @return
*/
@GetMapping("/files/{filename:.+}")
@ResponseBody
public ResponseEntity<Resource> serveFile(@PathVariable String filename) {
final Resource file = storageService.loadAsResource(filename);
final ContentDisposition contentDisposition = ContentDisposition.attachment()
.filename(filename)
.build();
return ResponseEntity.ok()
.header(HttpHeaders.CONTENT_DISPOSITION,
contentDisposition.toString())
.body(file);
}
}

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file-upload/src/main/java/kr/pe/elex/examples/StorageService.java Normal file
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/*
* Spring-boot Examples
*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import lombok.extern.slf4j.Slf4j;
import org.jetbrains.annotations.NotNull;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.Resource;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
@Slf4j
@Service
public class StorageService {
/*
테스트용 임시 파일 저장소
실제로는 파일시스템에 저장하거나 DB에 저장해야 한다.
*/
private final Map<String, byte[]> storage = new HashMap<>();
/**
* 저장된 파일 목록
* @return
*/
Set<String> listFiles(){
return storage.keySet();
}
/**
* 파일을 저장
* @param file
*/
void store(final @NotNull MultipartFile file) {
try {
storage.put(file.getOriginalFilename(), file.getBytes());
log.info("File Uploaded... {}", file.getOriginalFilename());
} catch (IOException e) {
log.error("Unable to save a file.", e);
}
}
/**
* 저장된 파일을 불러옴
* @param filename
* @return
*/
Resource loadAsResource(final String filename) {
//return new FileSystemResource(new File(filename));
return new ByteArrayResource(storage.get(filename));
}
}

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file-upload/src/main/java/kr/pe/elex/examples/package-info.java Normal file
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/*
* Spring-boot Examples
*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;

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file-upload/src/main/resources/application.yaml Normal file
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spring:
application:
name: My spring-boot project
servlet:
multipart:
max-file-size: 128KB
max-request-size: 128KB
server:
port: 8080

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file-upload/src/main/resources/banner.txt Normal file
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('-. ('-. ) (`-.
_( OO) _( OO) ( OO ).
(,------.,--. (,------.(_/. \_)-.
| .---'| |.-') | .---' \ `.' /
| | | | OO ) | | \ /\
(| '--. | |`-' |(| '--. \ \ |
| .--'(| '---.' | .--' .' \_)
| `---.| | | `---. / .'. \
`------'`------' `------''--' '--'
powered by ELEX

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file-upload/src/main/resources/logback-spring.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
~ Spring-boot Examples
~
~ Copyright (c) 2021. Elex. All Rights Reserved.
~ https://www.elex-project.com/
-->
<configuration>
<include resource="org/springframework/boot/logging/logback/defaults.xml"/>
<include resource="org/springframework/boot/logging/logback/console-appender.xml"/>
<springProperty name="LOG_DIR" source="logging.path"
defaultValue="${user.home}/logs"/>
<property name="LOG_PATH" value="${LOG_DIR}/stephanie.log"/>
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>${CONSOLE_LOG_PATTERN}</pattern>
</encoder>
</appender>
<appender name="ROLLING-FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<charset>UTF-8</charset>
<pattern>${FILE_LOG_PATTERN}</pattern>
</encoder>
<file>${LOG_PATH}</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${LOG_DIR}/sebastian_%d{yyyy-MM-dd}_%i.log.gz</fileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>10MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
<maxHistory>60</maxHistory>
</rollingPolicy>
</appender>
<logger name="kr.pe.elex" level="debug" additivity="false">
<appender-ref ref="CONSOLE"/>
<appender-ref ref="ROLLING-FILE"/>
</logger>
<root level="info">
<appender-ref ref="CONSOLE"/>
<appender-ref ref="ROLLING-FILE"/>
</root>
</configuration>

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<h1>File Upload Example!!!</h1>
<form action="/upload" method="POST" enctype="multipart/form-data">
<label for="file">Select a file: </label>
<input id="file" name="file" type="file" title="Upload"/>
<div>
<button>Upload</button>
</div>
</form>
<h2>Uploaded Files</h2>
<p>Click to download.</p>
<ul>
{{#files}}
<li><a href="/files/{{.}}">{{.}}</a></li>
{{/files}}
</ul>