Step17

03.microservices/currency-exchange-service/pom.xml

@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <groupId>com.in28minutes.microservices</groupId>
+ <artifactId>currency-exchange-service</artifactId>
+ <version>0.0.1-SNAPSHOT</version>
+ <packaging>jar</packaging>
+
+ <name>currency-exchange-service</name>
+ <description>Demo project for Spring Boot</description>
+
+ <parent>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-starter-parent</artifactId>
+ <version>2.0.0.M3</version>
+ <relativePath/> <!-- lookup parent from repository -->
+ </parent>
+
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+ <java.version>1.8</java.version>
+ <spring-cloud.version>Finchley.M2</spring-cloud.version>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-starter-actuator</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.springframework.cloud</groupId>
+ <artifactId>spring-cloud-starter-config</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-starter-web</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-starter-data-jpa</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>com.h2database</groupId>
+ <artifactId>h2</artifactId>
+ </dependency>
+
+
+ <dependency>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-devtools</artifactId>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-starter-test</artifactId>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+
+ <dependencyManagement>
+ <dependencies>
+ <dependency>
+ <groupId>org.springframework.cloud</groupId>
+ <artifactId>spring-cloud-dependencies</artifactId>
+ <version>${spring-cloud.version}</version>
+ <type>pom</type>
+ <scope>import</scope>
+ </dependency>
+ </dependencies>
+ </dependencyManagement>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-maven-plugin</artifactId>
+ </plugin>
+ </plugins>
+ </build>
+
+ <repositories>
+ <repository>
+ <id>spring-snapshots</id>
+ <name>Spring Snapshots</name>
+ <url>https://repo.spring.io/snapshot</url>
+ <snapshots>
+ <enabled>true</enabled>
+ </snapshots>
+ </repository>
+ <repository>
+ <id>spring-milestones</id>
+ <name>Spring Milestones</name>
+ <url>https://repo.spring.io/milestone</url>
+ <snapshots>
+ <enabled>false</enabled>
+ </snapshots>
+ </repository>
+ </repositories>
+
+ <pluginRepositories>
+ <pluginRepository>
+ <id>spring-snapshots</id>
+ <name>Spring Snapshots</name>
+ <url>https://repo.spring.io/snapshot</url>
+ <snapshots>
+ <enabled>true</enabled>
+ </snapshots>
+ </pluginRepository>
+ <pluginRepository>
+ <id>spring-milestones</id>
+ <name>Spring Milestones</name>
+ <url>https://repo.spring.io/milestone</url>
+ <snapshots>
+ <enabled>false</enabled>
+ </snapshots>
+ </pluginRepository>
+ </pluginRepositories>
+
+
+</project>

03.microservices/currency-exchange-service/src/main/java/com/in28minutes/microservices/currencyexchangeservice/CurrencyExchangeController.java

@@ -0,0 +1,32 @@
+package com.in28minutes.microservices.currencyexchangeservice;
+
+import java.math.BigDecimal;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.env.Environment;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class CurrencyExchangeController {
+
+ @Autowired
+ private Environment environment;
+
+ @Autowired
+ private ExchangeValueRepository repository;
+
+ @GetMapping("/currency-exchange/from/{from}/to/{to}")
+ public ExchangeValue retrieveExchangeValue
+ (@PathVariable String from, @PathVariable String to){
+
+ ExchangeValue exchangeValue = 
+ repository.findByFromAndTo(from, to);
+
+ exchangeValue.setPort(
+ Integer.parseInt(environment.getProperty("local.server.port")));
+
+ return exchangeValue;
+ }
+}

03.microservices/currency-exchange-service/src/main/java/com/in28minutes/microservices/currencyexchangeservice/CurrencyExchangeServiceApplication.java

@@ -0,0 +1,12 @@
+package com.in28minutes.microservices.currencyexchangeservice;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CurrencyExchangeServiceApplication {
+
+ public static void main(String[] args) {
+ SpringApplication.run(CurrencyExchangeServiceApplication.class, args);
+ }
+}

03.microservices/currency-exchange-service/src/main/java/com/in28minutes/microservices/currencyexchangeservice/ExchangeValue.java

@@ -0,0 +1,61 @@
+package com.in28minutes.microservices.currencyexchangeservice;
+
+import java.math.BigDecimal;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+@Entity
+public class ExchangeValue {
+
+ @Id
+ private Long id;
+
+ @Column(name="currency_from")
+ private String from;
+
+ @Column(name="currency_to")
+ private String to;
+
+ private BigDecimal conversionMultiple;
+ private int port;
+
+ public ExchangeValue() {
+
+ }
+
+
+ public ExchangeValue(Long id, String from, String to, BigDecimal conversionMultiple) {
+ super();
+ this.id = id;
+ this.from = from;
+ this.to = to;
+ this.conversionMultiple = conversionMultiple;
+ }
+
+ public Long getId() {
+ return id;
+ }
+
+ public String getFrom() {
+ return from;
+ }
+
+ public String getTo() {
+ return to;
+ }
+
+ public BigDecimal getConversionMultiple() {
+ return conversionMultiple;
+ }
+
+ public int getPort() {
+ return port;
+ }
+
+ public void setPort(int port) {
+ this.port = port;
+ }
+
+}

03.microservices/currency-exchange-service/src/main/java/com/in28minutes/microservices/currencyexchangeservice/ExchangeValueRepository.java

@@ -0,0 +1,8 @@
+package com.in28minutes.microservices.currencyexchangeservice;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ExchangeValueRepository extends 
+ JpaRepository<ExchangeValue, Long>{
+ ExchangeValue findByFromAndTo(String from, String to);
+}

03.microservices/currency-exchange-service/src/main/resources/application.properties

@@ -0,0 +1,5 @@
+spring.application.name=currency-exchange-service
+server.port=8000
+
+spring.jpa.show-sql=true
+spring.h2.console.enabled=true

03.microservices/currency-exchange-service/src/main/resources/data.sql

@@ -0,0 +1,6 @@
+insert into exchange_value(id,currency_from,currency_to,conversion_multiple,port)
+values(10001,'USD','INR',65,0);
+insert into exchange_value(id,currency_from,currency_to,conversion_multiple,port)
+values(10002,'EUR','INR',75,0);
+insert into exchange_value(id,currency_from,currency_to,conversion_multiple,port)
+values(10003,'AUD','INR',25,0);

03.microservices/currency-exchange-service/src/test/java/com/in28minutes/microservices/currencyexchangeservice/CurrencyExchangeServiceApplicationTests.java

@@ -0,0 +1,16 @@
+package com.in28minutes.microservices.currencyexchangeservice;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CurrencyExchangeServiceApplicationTests {
+
+ @Test
+ public void contextLoads() {
+ }
+
+}