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Spring boot 2 tutorial examples
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‎spring-boot-crud-rest/.gitignore

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/target/
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!.mvn/wrapper/maven-wrapper.jar
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/build/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/

‎spring-boot-crud-rest/.mvn/wrapper/maven-wrapper.jar

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‎spring-boot-crud-rest/.mvn/wrapper/maven-wrapper.properties

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distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.3/apache-maven-3.5.3-bin.zip

‎spring-boot-crud-rest/api-documents

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------------------- User Rest API'S details -----------------------------
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Add Collector - http://localhost:8080/springbootcrudrest/api/v1/users
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Method : POST
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Sample Request Json :
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{
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"key": 123456,
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"logKey": 1234568,
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"latitude": "sample latitude",
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"longitude": "sample longitude"
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}
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Sample Response Json :
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{
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"id": 1,
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"key": 123456,
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"logKey": 1234568,
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"latitude": "sample latitude",
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"longitude": "sample longitude",
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"createdAt": 1516197019198,
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"createdBy": "sm_user",
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"updatedAt": 1516197019198,
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"updatedby": "sm_user"
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}
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--------------------------------------------------------------------------
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Update Collector - http://localhost:8080/springbootcrudrest/api/v1/users/1
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Method : PUT
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Sample Request Json :
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{
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"key": 123456,
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"logKey": 54321,
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"latitude": "update latitude",
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"longitude": "update longitude "
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}
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Sample Response Json :
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{
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"id": 1,
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"key": 123456,
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"logKey": 123456,
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"latitude": "update latitude",
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"longitude": "update longitude ",
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"createdAt": 1516195877000,
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"createdBy": "sm_user",
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"updatedAt": 1516196212491,
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"updatedby": "sm_user"
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}
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--------------------------------------------------------------------------
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Get Collector - http://localhost:8080/springbootcrudrest/api/v1/users/1
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Method : GET
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Sample Request Json :
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Sample Response Json :
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{
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"id": 1,
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"key": 123456,
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"logKey": 123456,
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"latitude": "update latitude",
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"longitude": "update longitude ",
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"createdAt": 1516195877000,
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"createdBy": "sm_user",
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"updatedAt": 1516196212000,
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"updatedby": "sm_user"
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}
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--------------------------------------------------------------------------
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Get Collectors - http://localhost:8080/springbootcrudrest/api/v1/users
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Method : GET
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Sample Request Json :
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Sample Response Json :
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[
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{
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"id": 1,
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"key": 123456,
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"logKey": 123456,
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"latitude": "update latitude",
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"longitude": "update longitude ",
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"createdAt": 1516197019000,
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"createdBy": "sm_user",
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"updatedAt": 1516197078000,
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"updatedby": "sm_user"
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},
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{
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"id": 2,
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"key": 123456,
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"logKey": 1234568,
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"latitude": "sample latitude",
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"longitude": "sample longitude",
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"createdAt": 1516197065000,
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"createdBy": "sm_user",
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"updatedAt": 1516197065000,
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"updatedby": "sm_user"
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}
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]
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--------------------------------------------------------------------------
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Delete Collector - http://localhost:8080/springbootcrudrest/api/v1/users/1
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Method : DELETE
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Sample Request Json :
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Sample Response Json :{deleted : true}

‎spring-boot-crud-rest/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.companyname</groupId>
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<artifactId>springbootcrudrest</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>springbootcrudrest</name>
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<description>Demo project for Spring Boot</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.0.4.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-devtools</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎spring-boot-crud-rest/src/main/java/com/companyname/springbootcrudrest/SpringBootCrudRestApplication.java

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package com.companyname.springbootcrudrest;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
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@SpringBootApplication
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@EnableJpaAuditing
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public class SpringBootCrudRestApplication {
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public static void main(String[] args) {
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SpringApplication.run(SpringBootCrudRestApplication.class, args);
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}
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}

‎spring-boot-crud-rest/src/main/java/com/companyname/springbootcrudrest/controller/UserController.java

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package com.companyname.springbootcrudrest.controller;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.validation.Valid;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.DeleteMapping;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.PutMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import com.companyname.springbootcrudrest.exception.ResourceNotFoundException;
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import com.companyname.springbootcrudrest.model.User;
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import com.companyname.springbootcrudrest.repository.UserRepository;
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@RestController
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@RequestMapping("/api/v1")
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public class UserController {
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@Autowired
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private UserRepository userRepository;
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@GetMapping("/users")
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public List<User> getAllUsers() {
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return userRepository.findAll();
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}
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@GetMapping("/users/{id}")
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public ResponseEntity<User> getUserById(
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@PathVariable(value = "id") Long userId) throws ResourceNotFoundException {
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User user = userRepository.findById(userId)
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.orElseThrow(() -> new ResourceNotFoundException("User not found :: " + userId));
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return ResponseEntity.ok().body(user);
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}
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@PostMapping("/users")
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public User createUser(@Valid @RequestBody User user) {
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return userRepository.save(user);
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}
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@PutMapping("/users/{id}")
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public ResponseEntity<User> updateUser(
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@PathVariable(value = "id") Long userId,
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@Valid @RequestBody User userDetails) throws ResourceNotFoundException {
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User user = userRepository.findById(userId)
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.orElseThrow(() -> new ResourceNotFoundException("User not found :: " + userId));
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user.setEmailId(userDetails.getEmailId());
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user.setLastName(userDetails.getLastName());
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user.setFirstName(userDetails.getFirstName());
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user.setUpdatedAt(new Date());
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final User updatedUser = userRepository.save(user);
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return ResponseEntity.ok(updatedUser);
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}
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@DeleteMapping("/users/{id}")
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public Map<String, Boolean> deleteUser(
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@PathVariable(value = "id") Long userId) throws ResourceNotFoundException {
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User user = userRepository.findById(userId)
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.orElseThrow(() -> new ResourceNotFoundException("User not found :: " + userId));
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userRepository.delete(user);
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Map<String, Boolean> response = new HashMap<>();
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response.put("deleted", Boolean.TRUE);
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return response;
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}
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}

‎spring-boot-crud-rest/src/main/java/com/companyname/springbootcrudrest/exception/ErrorDetails.java

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package com.companyname.springbootcrudrest.exception;
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import java.util.Date;
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public class ErrorDetails {
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private Date timestamp;
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private String message;
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private String details;
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public ErrorDetails(Date timestamp, String message, String details) {
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super();
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this.timestamp = timestamp;
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this.message = message;
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this.details = details;
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}
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public Date getTimestamp() {
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return timestamp;
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}
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public String getMessage() {
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return message;
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}
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public String getDetails() {
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return details;
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}
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}

‎spring-boot-crud-rest/src/main/java/com/companyname/springbootcrudrest/exception/GlobalExceptionHandler.java

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package com.companyname.springbootcrudrest.exception;
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import java.util.Date;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.context.request.WebRequest;
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@ControllerAdvice
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public class GlobalExceptionHandler {
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@ExceptionHandler(ResourceNotFoundException.class)
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public ResponseEntity<?> resourceNotFoundException(ResourceNotFoundException ex, WebRequest request) {
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ErrorDetails errorDetails = new ErrorDetails(new Date(), ex.getMessage(), request.getDescription(false));
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return new ResponseEntity<>(errorDetails, HttpStatus.NOT_FOUND);
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}
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@ExceptionHandler(Exception.class)
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public ResponseEntity<?> globleExcpetionHandler(Exception ex, WebRequest request) {
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ErrorDetails errorDetails = new ErrorDetails(new Date(), ex.getMessage(), request.getDescription(false));
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return new ResponseEntity<>(errorDetails, HttpStatus.INTERNAL_SERVER_ERROR);
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}
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}

‎spring-boot-crud-rest/src/main/java/com/companyname/springbootcrudrest/exception/ResourceNotFoundException.java

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package com.companyname.springbootcrudrest.exception;
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import org.springframework.http.HttpStatus;
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import org.springframework.web.bind.annotation.ResponseStatus;
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@ResponseStatus(value = HttpStatus.NOT_FOUND)
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public class ResourceNotFoundException extends Exception{
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private static final long serialVersionUID = 1L;
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public ResourceNotFoundException(String message){
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super(message);
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}
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}

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