Lab Java Spring Boot Fundamentals completed

.gitignore

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+target/
+.idea/
+${project.build.directory}/
+
+*.iml
+*.log

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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.2.5</version>
+        <relativePath/>
+    </parent>
+
+    <groupId>com.ironhack</groupId>
+    <artifactId>lab-springboot-fundamentals</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>lab-springboot-fundamentals</name>
+    <description>LAB SpringBoot Fundamentals - Ironhack</description>
+
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/com/ironhack/lab/LabApplication.java

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+package com.ironhack.lab;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * LabApplication — Entry point for the Spring Boot application.
+ */
+@SpringBootApplication
+public class LabApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(LabApplication.class, args);
+    }
+}

src/main/java/com/ironhack/lab/controller/GreetingController.java

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+package com.ironhack.lab.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * GreetingController — Handles basic greeting and math endpoints.
+ * Task 2 of the lab.
+ */
+@RestController
+public class GreetingController {
+
+    /**
+     * GET /hello
+     * Returns a static greeting message.
+     */
+    @GetMapping("/hello")
+    public String hello() {
+        return "Hello World!";
+    }
+
+    /**
+     * GET /hello/{name}
+     * Returns a personalized greeting using a path variable.
+     */
+    @GetMapping("/hello/{name}")
+    public String helloName(@PathVariable String name) {
+        return "Hello " + name + "!";
+    }
+
+    /**
+     * GET /add/{num1}/{num2}
+     * Returns the sum of two numbers.
+     */
+    @GetMapping("/add/{num1}/{num2}")
+    public String add(@PathVariable double num1, @PathVariable double num2) {
+        return num1 + " + " + num2 + " = " + (num1 + num2);
+    }
+
+    /**
+     * GET /multiply/{num1}/{num2}
+     * Returns the product of two numbers.
+     */
+    @GetMapping("/multiply/{num1}/{num2}")
+    public String multiply(@PathVariable double num1, @PathVariable double num2) {
+        return num1 + " x " + num2 + " = " + (num1 * num2);
+    }
+}

src/main/java/com/ironhack/lab/controller/TimeController.java

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+package com.ironhack.lab.controller;
+
+import com.ironhack.lab.service.TimeService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * TimeController — Exposes time endpoints using TimeService.
+ * Uses constructor injection (no @Autowired).
+ * Task 6 of the lab.
+ */
+@RestController
+public class TimeController {
+
+    private final TimeService timeService;
+
+    // Constructor injection
+    public TimeController(TimeService timeService) {
+        this.timeService = timeService;
+    }
+
+    /**
+     * GET /time
+     * Returns the current time.
+     */
+    @GetMapping("/time")
+    public String getTime() {
+        return "Current time: " + timeService.getCurrentTime();
+    }
+
+    /**
+     * GET /date
+     * Returns the current date.
+     */
+    @GetMapping("/date")
+    public String getDate() {
+        return "Current date: " + timeService.getCurrentDate();
+    }
+
+    /**
+     * GET /day
+     * Returns the current day of the week.
+     */
+    @GetMapping("/day")
+    public String getDay() {
+        return "Current day: " + timeService.getCurrentDayOfWeek();
+    }
+
+    /**
+     * GET /all
+     * Returns all time information in a single response.
+     */
+    @GetMapping("/all")
+    public String getAll() {
+        return "Time: " + timeService.getCurrentTime() + " | " +
+                "Date: " + timeService.getCurrentDate() + " | " +
+                "Day: " + timeService.getCurrentDayOfWeek();
+    }
+}

src/main/java/com/ironhack/lab/controller/WeatherController.java

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+package com.ironhack.lab.controller;
+
+import com.ironhack.lab.service.WeatherService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * WeatherController — Exposes weather endpoints using WeatherService.
+ * Uses constructor injection (no @Autowired).
+ * Task 4 of the lab.
+ */
+@RestController
+@RequestMapping("/weather")
+public class WeatherController {
+
+    private final WeatherService weatherService;
+
+    // Constructor injection
+    public WeatherController(WeatherService weatherService) {
+        this.weatherService = weatherService;
+    }
+
+    /**
+     * GET /weather/temperature
+     * Returns the current simulated temperature.
+     */
+    @GetMapping("/temperature")
+    public String getTemperature() {
+        return "Current temperature: " + weatherService.getCurrentTemperature() + "°C";
+    }
+
+    /**
+     * GET /weather/condition
+     * Returns the current simulated weather condition.
+     */
+    @GetMapping("/condition")
+    public String getCondition() {
+        return "Current condition: " + weatherService.getWeatherCondition();
+    }
+
+    /**
+     * GET /weather/wind
+     * Returns the current simulated wind speed.
+     */
+    @GetMapping("/wind")
+    public String getWind() {
+        return "Current wind speed: " + weatherService.getWindSpeed() + " km/h";
+    }
+
+    /**
+     * GET /weather/all
+     * Returns all weather information in a single response.
+     */
+    @GetMapping("/all")
+    public String getAll() {
+        return "Temperature: " + weatherService.getCurrentTemperature() + "°C | " +
+                "Condition: " + weatherService.getWeatherCondition() + " | " +
+                "Wind: " + weatherService.getWindSpeed() + " km/h";
+    }
+}

src/main/java/com/ironhack/lab/service/TimeService.java

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+package com.ironhack.lab.service;
+
+import org.springframework.stereotype.Service;
+import java.time.LocalDate;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * TimeService — Provides current time, date and day of the week.
+ * Task 5 of the lab.
+ */
+@Service
+public class TimeService {
+
+    /**
+     * Returns the current time in HH:mm:ss format.
+     */
+    public String getCurrentTime() {
+        return LocalTime.now().format(DateTimeFormatter.ofPattern("HH:mm:ss"));
+    }
+
+    /**
+     * Returns the current date in yyyy-MM-dd format.
+     */
+    public String getCurrentDate() {
+        return LocalDate.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
+    }
+
+    /**
+     * Returns the current day of the week (e.g. MONDAY).
+     */
+    public String getCurrentDayOfWeek() {
+        return LocalDate.now().getDayOfWeek().toString();
+    }
+}

src/main/java/com/ironhack/lab/service/WeatherService.java

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+package com.ironhack.lab.service;
+
+import org.springframework.stereotype.Service;
+import java.util.Random;
+
+/**
+ * WeatherService — Simulates weather data using random values.
+ * Task 3 of the lab.
+ */
+@Service
+public class WeatherService {
+
+    private final Random random = new Random();
+
+    /**
+     * Returns a simulated temperature between -10 and 40 degrees.
+     */
+    public int getCurrentTemperature() {
+        return random.nextInt(51) - 10; // range: -10 to 40
+    }
+
+    /**
+     * Returns a randomly selected weather condition.
+     */
+    public String getWeatherCondition() {
+        String[] conditions = {"Sunny", "Rainy", "Cloudy", "Windy"};
+        return conditions[random.nextInt(conditions.length)];
+    }
+
+    /**
+     * Returns a simulated wind speed between 0 and 100 km/h.
+     */
+    public int getWindSpeed() {
+        return random.nextInt(101); // range: 0 to 100
+    }
+}

src/main/resources/application.properties

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+spring.application.name=lab-springboot-fundamentals
+server.port=8080