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added endpoint for countdown #1

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c4181 merged 1 commit from spring-api into master 2022-08-02 23:23:50 +00:00
Conversation 2 Commits 1 Files changed 7 +88 -76
7 changed files with 88 additions and 76 deletions
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10
Dockerfile
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FROM maven:3-jdk-8-alpine
WORKDIR /usr/src/app
COPY . /usr/src/app
RUN mvn package
ENV PORT 5000
EXPOSE $PORT
CMD [ "sh", "-c", "mvn -Dserver.port=${PORT} spring-boot:run" ]

41
pom.xml
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<?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">
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.RELEASE</version>
<version>2.7.2</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.synergyhelix</groupId>
<artifactId>countdown</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>countdown</name>
<description>Countdown Timer API</description>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
@ -35,6 +27,18 @@
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.12.0</version>
</dependency>
</dependencies>
<build>
@ -46,5 +50,4 @@
</plugins>
</build>
</project>
</project>

19
src/main/java/com/example/demo/DemoApplication.java
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package com.example.demo;
import org.springframework.boot.*;
import org.springframework.boot.autoconfigure.*;
import org.springframework.web.bind.annotation.*;
@SpringBootApplication
@RestController
public class DemoApplication {
@GetMapping("/")
String home() {
return "Spring is here!";
}
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}

53
src/main/java/com/synergyhelix/countdown/CountdownController.java Normal file
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package com.synergyhelix.countdown;
import org.apache.commons.lang3.time.DurationFormatUtils;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.URL;
import java.time.Duration;
import java.time.LocalDateTime;
@RestController
public class CountdownController {
@GetMapping(value = "/", produces = MediaType.IMAGE_JPEG_VALUE)
public byte[] countdown() throws IOException {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
ImageIO.write(createImage(), "jpg", outputStream);
return outputStream.toByteArray();
}
private BufferedImage createImage() throws IOException {
final BufferedImage image = ImageIO.read(new URL(
"https://media-cdn.tripadvisor.com/media/photo-s/04/18/a2/85/chicago.jpg"));
Graphics g = image.getGraphics();
Color color = new Color(0, 0, 0, 127);
g.setColor(color);
g.fillRect(10, 5, 530, 75);
g.setColor(Color.white);
g.setFont(new Font("Courier", Font.BOLD, 57));
g.drawString(calculateTimeUntilThing(), 15, 60);
g.dispose();
return image;
}
private String calculateTimeUntilThing() {
LocalDateTime trip = LocalDateTime.parse("2022-08-13T09:00:00");
Duration duration = Duration.between(LocalDateTime.now(), trip);
return DurationFormatUtils.formatDuration(duration.toMillis(), "dd'D' HH'H' mm'M' ss'S'", true);
}
}

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src/main/java/com/synergyhelix/countdown/MainApplication.java Normal file
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package com.synergyhelix.countdown;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class MainApplication {
public static void main(String[] args) {
SpringApplication.run(MainApplication.class, args);
}
}

0
src/main/resources/application.properties
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28
src/test/java/com/example/demo/DemoApplicationTests.java
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package com.example.demo;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.junit4.SpringRunner;
import static org.assertj.core.api.Assertions.assertThat;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
public class DemoApplicationTests {
@Test
public void contextLoads() {
}
@Autowired
private TestRestTemplate restTemplate;
@Test
public void homeResponse() {
String body = this.restTemplate.getForObject("/", String.class);
assertThat(body).isEqualTo("Spring is here!");
}
}