add spring ai controller and sey up project

spring-ai/.gitignore

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+#folders#
+.idea
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear

spring-ai/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">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-ai</artifactId>
+    <name>spring-ai</name>
+    <packaging>war</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-boot-2</relativePath>
+    </parent>
+
+    <repositories>
+        <repository>
+            <id>spring-snapshots</id>
+            <name>Spring Snapshots</name>
+            <url>https://repo.spring.io/snapshot</url>
+            <releases>
+                <enabled>false</enabled>
+            </releases>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.experimental.ai</groupId>
+            <artifactId>spring-ai-openai-spring-boot-starter</artifactId>
+            <version>0.7.1-SNAPSHOT</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+        <plugin>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-maven-plugin</artifactId>
+            <configuration>
+                <mainClass>com.baeldung.spring.ai.SpringAIProjectApplication</mainClass>
+                <layout>JAR</layout>
+            </configuration>
+        </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>16</source>
+                    <target>16</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

spring-ai/src/main/java/com/baeldung/spring/ai/SpringAIProjectApplication.java

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+package com.baeldung.spring.ai;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringAIProjectApplication {
+    public static void main(String[] args) { SpringApplication.run(SpringAIProjectApplication.class, args);}
+}

spring-ai/src/main/java/com/baeldung/spring/ai/dto/PoetryDto.java

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+package com.baeldung.spring.ai.dto;
+
+public record PoetryDto (String title, String poetry){}

spring-ai/src/main/java/com/baeldung/spring/ai/web/PoetryController.java

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+package com.baeldung.spring.ai.web;
+
+import com.baeldung.spring.ai.dto.PoetryDto;
+import org.springframework.ai.client.AiClient;
+import org.springframework.ai.client.AiResponse;
+import org.springframework.ai.parser.BeanOutputParser;
+import org.springframework.ai.prompt.PromptTemplate;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("ai")
+public class PoetryController {
+
+    public static final String WRITE_ME_HAIKU_ABOUT_CAT = "Write me Haiku about cat";
+    private final AiClient aiClient;
+
+    @Autowired
+    public PoetryController(AiClient aiClient) {
+        this.aiClient = aiClient;
+    }
+
+    @GetMapping("/cathaiku")
+    public ResponseEntity<String> generateHaiku(){
+        return ResponseEntity.ok(aiClient.generate(WRITE_ME_HAIKU_ABOUT_CAT));
+    }
+
+    @GetMapping("/poetry")
+    public ResponseEntity<PoetryDto> generatePoetry(
+            @RequestParam("genre") String genre,
+            @RequestParam("theme") String theme
+    ){
+        BeanOutputParser<PoetryDto> poetryDtoBeanOutputParser = new BeanOutputParser<>(PoetryDto.class);
+
+        String promtString = """
+                Write me {genre} poetry about {theme}
+                {format}
+                """;
+
+        PromptTemplate promptTemplate = new PromptTemplate(promtString);
+        promptTemplate.add("genre", genre);
+        promptTemplate.add("theme", theme);
+        promptTemplate.add("format", poetryDtoBeanOutputParser.getFormat());
+
+        promptTemplate.setOutputParser(poetryDtoBeanOutputParser);
+
+        AiResponse response = aiClient.generate(promptTemplate.create());
+        return ResponseEntity.ok(poetryDtoBeanOutputParser.parse(response.getGeneration().getText()));
+    }
+}

spring-ai/src/main/resources/application.yml

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+spring:
+  ai:
+    openai.api-key: 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