diff --git a/week1/seungbeom/src/main/java/hello/hello_spring/controller/MemberController.java b/week1/seungbeom/src/main/java/hello/hello_spring/controller/MemberController.java new file mode 100644 index 0000000..5706ba4 --- /dev/null +++ b/week1/seungbeom/src/main/java/hello/hello_spring/controller/MemberController.java @@ -0,0 +1,4 @@ +package hello.hello_spring.controller; + +public class MemberController { +} diff --git a/week1/seungbeom/src/main/java/hello/hello_spring/domain/Member.java b/week1/seungbeom/src/main/java/hello/hello_spring/domain/Member.java new file mode 100644 index 0000000..943e8d0 --- /dev/null +++ b/week1/seungbeom/src/main/java/hello/hello_spring/domain/Member.java @@ -0,0 +1,4 @@ +package hello.hello_spring.domain; + +public class Member { +} diff --git a/week1/seungbeom/src/main/java/hello/hello_spring/repository/MemberRepository.java b/week1/seungbeom/src/main/java/hello/hello_spring/repository/MemberRepository.java new file mode 100644 index 0000000..c040534 --- /dev/null +++ b/week1/seungbeom/src/main/java/hello/hello_spring/repository/MemberRepository.java @@ -0,0 +1,4 @@ +package hello.hello_spring.repository; + +public interface MemberRepository { +} diff --git a/week1/seungbeom/src/main/java/hello/hello_spring/repository/MemoryMemberRepository.java b/week1/seungbeom/src/main/java/hello/hello_spring/repository/MemoryMemberRepository.java new file mode 100644 index 0000000..348086d --- /dev/null +++ b/week1/seungbeom/src/main/java/hello/hello_spring/repository/MemoryMemberRepository.java @@ -0,0 +1,4 @@ +package hello.hello_spring.repository; + +public class MemoryMemberRepository { +} diff --git a/week1/seungbeom/src/main/java/hello/hello_spring/service/MemberService.java b/week1/seungbeom/src/main/java/hello/hello_spring/service/MemberService.java new file mode 100644 index 0000000..d1429a2 --- /dev/null +++ b/week1/seungbeom/src/main/java/hello/hello_spring/service/MemberService.java @@ -0,0 +1,40 @@ +package hello.hello_spring.service; + +import hello.hello_spring.domain.Member; +import hello.hello_spring.repository.MemberRepository; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Service; + +import java.util.List; +import java.util.Optional; + +@Service +public class MemberService { + + private final MemberRepository memberRepository; + + @Autowired //의존성 주입 + public MemberService(MemberRepository memberRepository) { + this.memberRepository = memberRepository; + } + + public Long join(Member member) { + validateMember(member); + return memberRepository.save(member).getId(); + } + + private void validateMember(Member member) { + memberRepository.findByName(member.getName()) + .ifPresent(m ->{ + throw new IllegalStateException("이미 존재하는 회원입니다."); + }); + } + + public List findAll() { + return memberRepository.findAll(); + } + + public Optional findById(Long id) { + return memberRepository.findById(id); + } +} diff --git a/week1/seungbeom/src/test/java/hello/hello_spring/repository/MemoryMemberRepositoryTest.java b/week1/seungbeom/src/test/java/hello/hello_spring/repository/MemoryMemberRepositoryTest.java new file mode 100644 index 0000000..f9c9b5d --- /dev/null +++ b/week1/seungbeom/src/test/java/hello/hello_spring/repository/MemoryMemberRepositoryTest.java @@ -0,0 +1,4 @@ +import static org.junit.jupiter.api.Assertions.*; +class MemoryMemberRepositoryTest { + +} \ No newline at end of file diff --git a/week1/seungbeom/src/test/java/hello/hello_spring/service/MemberSeriviceTest.java b/week1/seungbeom/src/test/java/hello/hello_spring/service/MemberSeriviceTest.java new file mode 100644 index 0000000..1ed075d --- /dev/null +++ b/week1/seungbeom/src/test/java/hello/hello_spring/service/MemberSeriviceTest.java @@ -0,0 +1,4 @@ +import static org.junit.jupiter.api.Assertions.*; +class MemberSeriviceTest { + +} \ No newline at end of file diff --git a/week2/.idea/.gitignore b/week2/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/week2/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/week2/.idea/misc.xml b/week2/.idea/misc.xml new file mode 100644 index 0000000..639900d --- /dev/null +++ b/week2/.idea/misc.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/week2/.idea/modules.xml b/week2/.idea/modules.xml new file mode 100644 index 0000000..11a061b --- /dev/null +++ b/week2/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/week2/.idea/vcs.xml b/week2/.idea/vcs.xml new file mode 100644 index 0000000..6c0b863 --- /dev/null +++ b/week2/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/week2/.idea/week2.iml b/week2/.idea/week2.iml new file mode 100644 index 0000000..d6ebd48 --- /dev/null +++ b/week2/.idea/week2.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/week2/README.md b/week2/README.md deleted file mode 100644 index e69de29..0000000 diff --git a/week2/seungbeom/.gitignore b/week2/seungbeom/.gitignore new file mode 100644 index 0000000..c2065bc --- /dev/null +++ b/week2/seungbeom/.gitignore @@ -0,0 +1,37 @@ +HELP.md +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ diff --git a/week2/seungbeom/README.md b/week2/seungbeom/README.md new file mode 100644 index 0000000..9faf374 --- /dev/null +++ b/week2/seungbeom/README.md @@ -0,0 +1,367 @@ +# 🦁스프링 웹 개발 구조 +## 이전 실습 깃허브 링크 +*** +(https://github.com/psb3707/Mutsa-Spring-Study-Post.git) + +## 웹 어플리케이션 계층 구조 +*** +### 컨트롤러 (프레젠테이션 계층) +- HTTP 요청을 받고 이 요청을 비즈니스 계층(서비스)으로 전송하는 역할 +### 비즈니스 계층(서비스) +- 핵심 비즈니스 로직이 구현되어 있는 부분 +- 예를들어 주문 서비스라면 주문 개수, 가격 등의 데이터를 처리하기 위한 로직등을 맡아서 처리 +### 퍼시스턴스 계층(리포지토리) +- 데이터베이스 관련 로직 처리 +- 도메인 객체(DAO)를 참조하여 데이터베이스 계층과 상호작용 + +## 회원 도메인과 리포지토리 구현 +*** +- 회원 객체 +```java +package hello.hello_spring.domain; + +import lombok.Getter; +import lombok.Setter; + +@Getter +@Setter // 롬복 라이브러리를 사용하여 get 메서드와 set메세드를 간단히 구현 +public class Member { + private Long id; + private String name; + // public Long getId(){ + // return id; + // } + // ... +} +``` +- 회원 리포지토리 인터페이스 +```java +package hello.hello_spring.repository; + +import hello.hello_spring.domain.Member; + +import java.util.List; +import java.util.Optional; + +public interface MemberRepository { // 구현체에 따라 구체적인 메서드들이 결정되는 인터페이스 정의 + Member save(Member member); + + Optional findById(Long id); + Optional findByName(String name); + List findAll(); +} +``` +현재 실습에서는 아직 데이터베이스가 선정되지 않았다고 가정했기에 리포지토리 인터페이스를 +먼저 구현. +데이터베이스가 정해지더라도 구현체만 변경하면되기에 매우 편함 + +- 회원 리포지토리 인터페이스 구현체(메모리 기반) +```java +package hello.hello_spring.repository; + +import hello.hello_spring.domain.Member; +import org.springframework.stereotype.Repository; + +import java.util.*; + +@Repository +public class MemoryMemberRepository implements MemberRepository { // MemberRepository 인터페이스 구현 + + public static Map members = new HashMap<>(); // Map 자료구조를 통한 (기본 키, 이름) 쌍 형식의 메모리 기반 데이터베이스 + public static long sequence = 0L; // 기본키 설정을 위한 초기화 + + @Override // 인터페이스에서 선언된 메서드 오버라이드(구현) + public Member save(Member member) { // 멤버 객체를 받아 데이터베이스에 저장 후 저장한 멤버 객체 반환 + member.setId(++sequence); + members.put(member.getId(), member); + return member; + } + + @Override + public Optional findById(Long id) { // 기본 키 값으로 데이터베이스에서 멤버 객체 조회 + return Optional.ofNullable(members.get(id)); + } + + @Override + public Optional findByName(String name) { // 멤버의 이름을 통한 조회 + return members.values().stream() + .filter(m -> m.getName().equals(name)) + .findAny(); + } + + @Override + public List findAll() { // 모든 멤버 객체 조회 + return new ArrayList<>(members.values()); + } + + public void clear() { // 데이터베이스 초기화 + members.clear(); + } +} +``` +## 📌여기서 잠깐! +*** +### 자바 문법에 관하여 +1. Optional<> +객체를 Optional로 감싸게 되면 지원되는 다양한 메서드들로 인해 null값 처리가 간편해진다. +2. ofNullable() +Optional<>로 감싼 객체에 대해서 지원되는 메서드로 메서드의 인자가 존재하면 +객체에 Optional<>을 감싼 형태로 반환하고, null이면 Optional.empty()를 반환하여 +이에 따른 후속조치를 할 수 있다. +3. stream()문법 +stream() 컬렉션 자료구조 형태에서 순차적인 데이터를 처리할 수 있도록 도와주는 +API로 다양한 메서드들을 지원한다. +4. filter() +전체 스트림 내에서 람다 함수로 제공받은 조건이 참이면 다음 연산에 포함시키고 +그렇지 않으면 넘긴다. +## 테스트 코드 작성 +*** +### 테스트 코드를 작성하는 이유 +- 개발한 기능을 main메서드나 컨트롤러를 사용해서 테스트 할 경우 실행하는것이 번거롭고 +오래걸린다. +- 반복 실행하기 힘들고 여러 테스트를 한번에 수행하기 어렵다. +- 자바에서는 JUnit이라는 프레임워크로 테스트를 실행하여 이러한 문제들을 해결한다. +```java +package hello.hello_spring.repository; + +import hello.hello_spring.domain.Member; +import org.assertj.core.api.Assertions; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; + +import java.util.List; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.junit.jupiter.api.Assertions.*; + +class MemoryMemberRepositoryTest { + MemoryMemberRepository memberRepository = new MemoryMemberRepository(); + + @AfterEach // 각 테스트가 수행된 뒤 아래 메서드를 수행하도록 하는 어노테이션 + public void clearMembers() { + memberRepository.clear(); // 데이터베이스 초기화 + } + + @Test + public void save() { + Member member = new Member(); + member.setName("spring"); + memberRepository.save(member); + + Member result = memberRepository.findById(member.getId()).get(); + + assertThat(result).isEqualTo(member); // Assertj 라이브러리에서 제공되는 메서드로 전달한 값이 기대한 값과 같은지 비교 + } + + @Test + public void findByName() { + Member member1 = new Member(); + member1.setName("spring"); + memberRepository.save(member1); + + Member member2 = new Member(); + member2.setName("spring"); + memberRepository.save(member2); + + Member result = memberRepository.findByName(member1.getName()).get(); + + assertThat(result).isEqualTo(member1); + } + + @Test + public void findAll() { + Member member1 = new Member(); + member1.setName("spring"); + memberRepository.save(member1); + + Member member2 = new Member(); + member2.setName("spring"); + memberRepository.save(member2); + + List members = memberRepository.findAll(); + + assertThat(members.size()).isEqualTo(2); + } + +} +``` +## 회원 서비스 개발 +*** +```java +package hello.hello_spring.service; + +import hello.hello_spring.domain.Member; +import hello.hello_spring.repository.MemberRepository; +import hello.hello_spring.repository.MemoryMemberRepository; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Service; + +import java.util.List; +import java.util.Optional; + +@Service +public class MemberService { + + private final MemberRepository memberRepository; + + @Autowired //의존성 주입 + public MemberService(MemberRepository memberRepository) { + this.memberRepository = memberRepository; + } + // 회원 가입 + public Long join(Member member) { + validateMember(member); // 중복 회원 검증 비즈니스 로직 + return memberRepository.save(member).getId(); + } + + private void validateMember(Member member) { + memberRepository.findByName(member.getName()) + .ifPresent(m ->{ // Optional<> 에서 지원하는 메서드 존재할 시 매개변수 m에 값이 들어오면 람다 함수 실행 + throw new IllegalStateException("이미 존재하는 회원입니다."); + }); + } + // 전체 회원 조회 + public List findAll() { + return memberRepository.findAll(); + } + + public Optional findById(Long id) { + return memberRepository.findById(id); + } +} +``` +## 회원 서비스 테스트 코드 작성 +*** +```java +package hello.hello_spring.service; + +import hello.hello_spring.domain.Member; +import hello.hello_spring.repository.MemoryMemberRepository; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.junit.jupiter.api.Assertions.*; + +class MemberServiceTest { + MemoryMemberRepository memberRepository; + MemberService memberService; + + @BeforeEach // 각 테스트가 수행되기 전 아래 메서드를 먼저 수행하도록 하는 어노테이션 + public void beforeEach() { // 객체 생성 및 의존성 주입 + memberRepository = new MemoryMemberRepository(); + memberService = new MemberService(memberRepository); + } + + @AfterEach + public void afterEach() { + memberRepository.clear(); + } + + @Test + void 회원가입() { + Member member = new Member(); + member.setName("spring"); + + Long result = memberService.join(member); + Member findMember = memberService.findById(result).get(); + + assertThat(findMember.getName()).isEqualTo("spring"); + + } + + @Test + void 중복_회원_예외() { + Member member = new Member(); + member.setName("spring"); + + Member member2 = new Member(); + member2.setName("spring"); + + memberService.join(member); + +// assertThrows(IllegalStateException.class, () -> memberSerivice.join(member2)); + + try { + memberService.join(member2); + fail(); + } catch (IllegalStateException e) { + assertThat(e.getMessage()).isEqualTo("이미 존재하는 회원입니다."); + } + } +} +``` +## 컴포넌트 스캔과 자동 의존관계 설정 +```java +package hello.hello_spring.controller; + +import hello.hello_spring.service.MemberService; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Controller; + +@Controller +public class MemberController { + private final MemberService memberService; // Controller는 MemberService를 의존하고 있음 + + @Autowired // 생성자를 통한 의존성 주입이 가능하도록 하는 어노테이션 + public MemberController(MemberService memberService) { + this.memberService = memberService; + } +} +``` +위 코드를 살펴보면 MemberController는 MemberService를 의존하고 있다. +이 경우 스프링의 도움이 없다면 +```java +private final MemberService memberService = new MemberService(); +``` +이와 같은 형식으로 직접 객체를 생성하여야 한다. +그러나 스프링에서 지원하는 컴포넌트 스캔과 스프링 빈 컨테이너를 활용하면 +의존성을 개발자가 직접 설정하는 것이 아닌 스프링이 필요한 곳에 직접 의존성을 주입해준다. +### 컴포넌트 스캔 +스프링은 컴포넌트 스캔을 통해 @Component 어노테이션이 붙은 클래스를 확인하고 이들을 스프링 빈으로 등록하여 스프링 빈 컨테이너로 +관리한다. 이를 통해 스프링은 각 클래스가 의존하고 있는 다른 클래스에 대하여 필요한 의존성을 주입해준다. +### 컴포넌트 +컴포넌트는 컴포넌트 스캔의 대상이 되는 클래스로 @Component로 나타낸다. 우리가 만든 컨트롤러와 서비스, 레포지토리에도 +@Component 어노테이션이 각 계층을 나타내는 어노테이션의 내부적으로 붙어있음을 확인할 수 있다. +```java +package org.springframework.stereotype; + +@java.lang.annotation.Target({java.lang.annotation.ElementType.TYPE}) +@java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.RUNTIME) +@java.lang.annotation.Documented +@org.springframework.stereotype.Component // 컨트롤러 어노테이션 내부적으로 붙어있음 +public @interface Controller { + @org.springframework.core.annotation.AliasFor(annotation = org.springframework.stereotype.Component.class) + java.lang.String value() default ""; +} +``` +## 자바 코드로 직접 스프링 빈 등록하기 +*** +### 만약 계층을 나타내는 어노테이션을 쓰지 않는다면? +```java +package hello.hellospring; +import hello.hellospring.repository.MemberRepository; +import hello.hellospring.repository.MemoryMemberRepository; +import hello.hellospring.service.MemberService; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +@Configuration // 스프링의 설정 클래스를 나타냄. 내부적으로 정의된 @Bean 메서드들을 스프링 빈으로 등록 +public class SpringConfig { + + @Bean // 메서드가 반환하는 객체를 스프링 컨테이너에 빈으로 등록 + public MemberService memberService() { + return new MemberService(memberRepository()); + } + + @Bean + public MemberRepository memberRepository() { + return new MemoryMemberRepository(); + } + } +``` +따라서 스프링 빈을 등록하는 방법은 두 가지 이다. +1. 컴포넌트 스캔을 통한 자동 빈 등록 +2. @Configuration 과 @Bean 메서드를 통한 자바 코드로 등록 diff --git a/week2/seungbeom/build.gradle b/week2/seungbeom/build.gradle new file mode 100644 index 0000000..3714bc9 --- /dev/null +++ b/week2/seungbeom/build.gradle @@ -0,0 +1,31 @@ +plugins { + id 'java' + id 'org.springframework.boot' version '3.3.3' // 스프링 부트 버전 + id 'io.spring.dependency-management' version '1.1.6' // 스프링의 의존성을 자동으로 관리 +} + +group = 'hello' +version = '0.0.1-SNAPSHOT' + +java { + toolchain { + languageVersion = JavaLanguageVersion.of(17) // java 버전 17 + } +} + +repositories { + mavenCentral() // 의존성을 받을 외부 저장소 +} + +dependencies { // 프로젝트 개발 시 필요한 의존성 + implementation 'org.springframework.boot:spring-boot-starter-thymeleaf' + implementation 'org.springframework.boot:spring-boot-starter-web' + testImplementation 'org.springframework.boot:spring-boot-starter-test' + testRuntimeOnly 'org.junit.platform:junit-platform-launcher' + compileOnly 'org.projectlombok:lombok' + annotationProcessor 'org.projectlombok:lombok' +} + +tasks.named('test') { + useJUnitPlatform() +} diff --git a/week2/seungbeom/gradle/wrapper/gradle-wrapper.jar b/week2/seungbeom/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..e644113 Binary files /dev/null and b/week2/seungbeom/gradle/wrapper/gradle-wrapper.jar differ diff --git a/week2/seungbeom/gradle/wrapper/gradle-wrapper.properties b/week2/seungbeom/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..a441313 --- /dev/null +++ b/week2/seungbeom/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/week2/seungbeom/gradlew b/week2/seungbeom/gradlew new file mode 100644 index 0000000..b740cf1 --- /dev/null +++ b/week2/seungbeom/gradlew @@ -0,0 +1,249 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/week2/seungbeom/gradlew.bat b/week2/seungbeom/gradlew.bat new file mode 100644 index 0000000..25da30d --- /dev/null +++ b/week2/seungbeom/gradlew.bat @@ -0,0 +1,92 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/week2/seungbeom/settings.gradle b/week2/seungbeom/settings.gradle new file mode 100644 index 0000000..69a39da --- /dev/null +++ b/week2/seungbeom/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'hello-spring' diff --git a/week2/seungbeom/src/main/java/hello/hello_spring/HelloSpringApplication.java b/week2/seungbeom/src/main/java/hello/hello_spring/HelloSpringApplication.java new file mode 100644 index 0000000..2b10ea2 --- /dev/null +++ b/week2/seungbeom/src/main/java/hello/hello_spring/HelloSpringApplication.java @@ -0,0 +1,13 @@ +package hello.hello_spring; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class HelloSpringApplication { + + public static void main(String[] args) { + SpringApplication.run(HelloSpringApplication.class, args); + } + +} diff --git a/week2/seungbeom/src/main/java/hello/hello_spring/controller/HelloController.java b/week2/seungbeom/src/main/java/hello/hello_spring/controller/HelloController.java new file mode 100644 index 0000000..6a8d0b1 --- /dev/null +++ b/week2/seungbeom/src/main/java/hello/hello_spring/controller/HelloController.java @@ -0,0 +1,48 @@ +package hello.hello_spring.controller; + +import org.springframework.stereotype.Controller; +import org.springframework.ui.Model; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RequestParam; +import org.springframework.web.bind.annotation.ResponseBody; + +@Controller +public class HelloController { + + @GetMapping("hello") + public String hello(Model model) { + model.addAttribute("data", "hello!!"); + return "hello"; + } + + @GetMapping("hello-mvc") + public String helloMvc(@RequestParam("name") String name, Model model) { + model.addAttribute("name", name); + return "hello-template"; + } + + @GetMapping("hello-string") + @ResponseBody + public String helloString(@RequestParam("name") String name) { + return "hello " + name; + } + + @GetMapping("hello-api") + @ResponseBody + public Hello helloApi(@RequestParam("name") String name) { + Hello hello = new Hello(); + hello.setName(name); + return hello; + } + static class Hello { + private String name; + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + } +} diff --git a/week2/seungbeom/src/main/java/hello/hello_spring/controller/MemberController.java b/week2/seungbeom/src/main/java/hello/hello_spring/controller/MemberController.java new file mode 100644 index 0000000..556ae66 --- /dev/null +++ b/week2/seungbeom/src/main/java/hello/hello_spring/controller/MemberController.java @@ -0,0 +1,15 @@ +package hello.hello_spring.controller; + +import hello.hello_spring.service.MemberSerivice; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Controller; + +@Controller +public class MemberController { + private final MemberSerivice memberSerivice; + + @Autowired + public MemberController(MemberSerivice memberSerivice) { + this.memberSerivice = memberSerivice; + } +} diff --git a/week2/seungbeom/src/main/java/hello/hello_spring/domain/Member.java b/week2/seungbeom/src/main/java/hello/hello_spring/domain/Member.java new file mode 100644 index 0000000..b235a00 --- /dev/null +++ b/week2/seungbeom/src/main/java/hello/hello_spring/domain/Member.java @@ -0,0 +1,11 @@ +package hello.hello_spring.domain; + +import lombok.Getter; +import lombok.Setter; + +@Getter +@Setter +public class Member { + private Long id; + private String name; +} diff --git a/week2/seungbeom/src/main/java/hello/hello_spring/repository/MemberRepository.java b/week2/seungbeom/src/main/java/hello/hello_spring/repository/MemberRepository.java new file mode 100644 index 0000000..d153424 --- /dev/null +++ b/week2/seungbeom/src/main/java/hello/hello_spring/repository/MemberRepository.java @@ -0,0 +1,14 @@ +package hello.hello_spring.repository; + +import hello.hello_spring.domain.Member; + +import java.util.List; +import java.util.Optional; + +public interface MemberRepository { + Member save(Member member); + + Optional findById(Long id); + Optional findByName(String name); + List findAll(); +} diff --git a/week2/seungbeom/src/main/java/hello/hello_spring/repository/MemoryMemberRepository.java b/week2/seungbeom/src/main/java/hello/hello_spring/repository/MemoryMemberRepository.java new file mode 100644 index 0000000..56c6b90 --- /dev/null +++ b/week2/seungbeom/src/main/java/hello/hello_spring/repository/MemoryMemberRepository.java @@ -0,0 +1,41 @@ +package hello.hello_spring.repository; + +import hello.hello_spring.domain.Member; +import org.springframework.stereotype.Repository; + +import java.util.*; + +@Repository +public class MemoryMemberRepository implements MemberRepository { + + public static Map members = new HashMap<>(); + public static long sequence = 0L; + + @Override + public Member save(Member member) { + member.setId(++sequence); + members.put(member.getId(), member); + return member; + } + + @Override + public Optional findById(Long id) { + return Optional.ofNullable(members.get(id)); + } + + @Override + public Optional findByName(String name) { + return members.values().stream() + .filter(m -> m.getName().equals(name)) + .findAny(); + } + + @Override + public List findAll() { + return new ArrayList<>(members.values()); + } + + public void clear() { + members.clear(); + } +} diff --git a/week2/seungbeom/src/main/java/hello/hello_spring/service/MemberService.java b/week2/seungbeom/src/main/java/hello/hello_spring/service/MemberService.java new file mode 100644 index 0000000..fd76bcf --- /dev/null +++ b/week2/seungbeom/src/main/java/hello/hello_spring/service/MemberService.java @@ -0,0 +1,41 @@ +package hello.hello_spring.service; + +import hello.hello_spring.domain.Member; +import hello.hello_spring.repository.MemberRepository; +import hello.hello_spring.repository.MemoryMemberRepository; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Service; + +import java.util.List; +import java.util.Optional; + +@Service +public class MemberSerivice { + + private final MemberRepository memberRepository; + + @Autowired //의존성 주입 + public MemberSerivice(MemberRepository memberRepository) { + this.memberRepository = memberRepository; + } + + public Long join(Member member) { + validateMember(member); + return memberRepository.save(member).getId(); + } + + private void validateMember(Member member) { + memberRepository.findByName(member.getName()) + .ifPresent(m ->{ + throw new IllegalStateException("이미 존재하는 회원입니다."); + }); + } + + public List findAll() { + return memberRepository.findAll(); + } + + public Optional findById(Long id) { + return memberRepository.findById(id); + } +} diff --git a/week2/seungbeom/src/main/resources/application.properties b/week2/seungbeom/src/main/resources/application.properties new file mode 100644 index 0000000..839dc0a --- /dev/null +++ b/week2/seungbeom/src/main/resources/application.properties @@ -0,0 +1 @@ +spring.application.name=hello-spring diff --git a/week2/seungbeom/src/main/resources/static/hello-static.html b/week2/seungbeom/src/main/resources/static/hello-static.html new file mode 100644 index 0000000..68254b2 --- /dev/null +++ b/week2/seungbeom/src/main/resources/static/hello-static.html @@ -0,0 +1,10 @@ + + + + static content + + + +정적 컨텐츠 입니다. + + \ No newline at end of file diff --git a/week2/seungbeom/src/main/resources/static/index.html b/week2/seungbeom/src/main/resources/static/index.html new file mode 100644 index 0000000..3bf7dfa --- /dev/null +++ b/week2/seungbeom/src/main/resources/static/index.html @@ -0,0 +1,11 @@ + + + + Hello + + + +Hello +hello + + \ No newline at end of file diff --git a/week2/seungbeom/src/main/resources/templates/hello-template.html b/week2/seungbeom/src/main/resources/templates/hello-template.html new file mode 100644 index 0000000..66c25d8 --- /dev/null +++ b/week2/seungbeom/src/main/resources/templates/hello-template.html @@ -0,0 +1,5 @@ + + +

hello! empty

+ + \ No newline at end of file diff --git a/week2/seungbeom/src/main/resources/templates/hello.html b/week2/seungbeom/src/main/resources/templates/hello.html new file mode 100644 index 0000000..81f8f1c --- /dev/null +++ b/week2/seungbeom/src/main/resources/templates/hello.html @@ -0,0 +1,10 @@ + + + + Hello + + + +

안녕하세요. 손님

+ + \ No newline at end of file diff --git a/week2/seungbeom/src/test/java/hello/hello_spring/HelloSpringApplicationTests.java b/week2/seungbeom/src/test/java/hello/hello_spring/HelloSpringApplicationTests.java new file mode 100644 index 0000000..4b93a19 --- /dev/null +++ b/week2/seungbeom/src/test/java/hello/hello_spring/HelloSpringApplicationTests.java @@ -0,0 +1,13 @@ +package hello.hello_spring; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class HelloSpringApplicationTests { + + @Test + void contextLoads() { + } + +} diff --git a/week2/seungbeom/src/test/java/hello/hello_spring/repository/MemoryMemberRepositoryTest.java b/week2/seungbeom/src/test/java/hello/hello_spring/repository/MemoryMemberRepositoryTest.java new file mode 100644 index 0000000..1b71477 --- /dev/null +++ b/week2/seungbeom/src/test/java/hello/hello_spring/repository/MemoryMemberRepositoryTest.java @@ -0,0 +1,63 @@ +package hello.hello_spring.repository; + +import hello.hello_spring.domain.Member; +import org.assertj.core.api.Assertions; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; + +import java.util.List; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.junit.jupiter.api.Assertions.*; + +class MemoryMemberRepositoryTest { + MemoryMemberRepository memberRepository = new MemoryMemberRepository(); + + @AfterEach + public void clearMembers() { + memberRepository.clear(); + } + + @Test + public void save() { + Member member = new Member(); + member.setName("spring"); + memberRepository.save(member); + + Member result = memberRepository.findById(member.getId()).get(); + + assertThat(result).isEqualTo(member); + } + + @Test + public void findByName() { + Member member1 = new Member(); + member1.setName("spring"); + memberRepository.save(member1); + + Member member2 = new Member(); + member2.setName("spring"); + memberRepository.save(member2); + + Member result = memberRepository.findByName(member1.getName()).get(); + + assertThat(result).isEqualTo(member1); + } + + @Test + public void findAll() { + Member member1 = new Member(); + member1.setName("spring"); + memberRepository.save(member1); + + Member member2 = new Member(); + member2.setName("spring"); + memberRepository.save(member2); + + List members = memberRepository.findAll(); + + assertThat(members.size()).isEqualTo(2); + } + +} \ No newline at end of file diff --git a/week2/seungbeom/src/test/java/hello/hello_spring/service/MemberSeriviceTest.java b/week2/seungbeom/src/test/java/hello/hello_spring/service/MemberSeriviceTest.java new file mode 100644 index 0000000..41f2cab --- /dev/null +++ b/week2/seungbeom/src/test/java/hello/hello_spring/service/MemberSeriviceTest.java @@ -0,0 +1,62 @@ +package hello.hello_spring.service; + +import hello.hello_spring.domain.Member; +import hello.hello_spring.repository.MemberRepository; +import hello.hello_spring.repository.MemoryMemberRepository; +import org.assertj.core.api.Assertions; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import java.util.Optional; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.junit.jupiter.api.Assertions.*; + +class MemberSeriviceTest { + MemoryMemberRepository memberRepository; + MemberSerivice memberSerivice; + + @BeforeEach + public void beforeEach() { + memberRepository = new MemoryMemberRepository(); + memberSerivice = new MemberSerivice(memberRepository); + } + + @AfterEach + public void afterEach() { + memberRepository.clear(); + } + + @Test + void 회원가입() { + Member member = new Member(); + member.setName("spring"); + + Long result = memberSerivice.join(member); + Member findMember = memberSerivice.findById(result).get(); + + assertThat(findMember.getName()).isEqualTo("spring"); + + } + + @Test + void 중복_회원_예외() { + Member member = new Member(); + member.setName("spring"); + + Member member2 = new Member(); + member2.setName("spring"); + + memberSerivice.join(member); + +// assertThrows(IllegalStateException.class, () -> memberSerivice.join(member2)); + + try { + memberSerivice.join(member2); + fail(); + } catch (IllegalStateException e) { + assertThat(e.getMessage()).isEqualTo("이미 존재하는 회원입니다."); + } + } +} \ No newline at end of file