GH-868: Fix inconsistency in autoconfigured beans

* Fixing auto configured beans where they are missing `@ConditionalOnMissingBean`
* Add `matchIfMissing` on `@ConditionalOnProperty` where it is missing with value `true`

Resolves https://github.com/spring-projects/spring-ai/issues/868

spring-ai-spring-boot-autoconfigure/src/main/java/org/springframework/ai/autoconfigure/azure/openai/AzureOpenAiAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 - 2024 the original author or authors.
+ * Copyright 2023-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,7 @@ import java.util.List;
 
 /**
  * @author Piotr Olaszewski
+ * @author Soby Chacko
  */
 @AutoConfiguration
 @ConditionalOnClass({ OpenAIClientBuilder.class, AzureOpenAiChatModel.class })
@@ -95,6 +96,7 @@ public class AzureOpenAiAutoConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
 	@ConditionalOnProperty(prefix = AzureOpenAiChatProperties.CONFIG_PREFIX, name = "enabled", havingValue = "true",
 			matchIfMissing = true)
 	public AzureOpenAiChatModel azureOpenAiChatModel(OpenAIClient openAIClient,
@@ -109,6 +111,7 @@ public class AzureOpenAiAutoConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
 	@ConditionalOnProperty(prefix = AzureOpenAiEmbeddingProperties.CONFIG_PREFIX, name = "enabled",
 			havingValue = "true", matchIfMissing = true)
 	public AzureOpenAiEmbeddingModel azureOpenAiEmbeddingModel(OpenAIClient openAIClient,
@@ -126,6 +129,7 @@ public class AzureOpenAiAutoConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
 	@ConditionalOnProperty(prefix = AzureOpenAiImageOptionsProperties.CONFIG_PREFIX, name = "enabled",
 			havingValue = "true", matchIfMissing = true)
 	public AzureOpenAiImageModel azureOpenAiImageClient(OpenAIClient openAIClient,
@@ -135,6 +139,7 @@ public class AzureOpenAiAutoConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
 	@ConditionalOnProperty(prefix = AzureOpenAiAudioTranscriptionProperties.CONFIG_PREFIX, name = "enabled",
 			havingValue = "true", matchIfMissing = true)
 	public AzureOpenAiAudioTranscriptionModel azureOpenAiAudioTranscriptionModel(OpenAIClient openAIClient,

spring-ai-spring-boot-autoconfigure/src/main/java/org/springframework/ai/autoconfigure/bedrock/anthropic/BedrockAnthropicChatAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 - 2024 the original author or authors.
+ * Copyright 2023-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,6 +58,7 @@ public class BedrockAnthropicChatAutoConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
 	@ConditionalOnBean(AnthropicChatBedrockApi.class)
 	public BedrockAnthropicChatModel anthropicChatModel(AnthropicChatBedrockApi anthropicApi,
 			BedrockAnthropicChatProperties properties) {

spring-ai-spring-boot-autoconfigure/src/main/java/org/springframework/ai/autoconfigure/bedrock/anthropic3/BedrockAnthropic3ChatAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 - 2024 the original author or authors.
+ * Copyright 2023-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,6 +58,7 @@ public class BedrockAnthropic3ChatAutoConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
 	@ConditionalOnBean(Anthropic3ChatBedrockApi.class)
 	public BedrockAnthropic3ChatModel anthropic3ChatModel(Anthropic3ChatBedrockApi anthropicApi,
 			BedrockAnthropic3ChatProperties properties) {

spring-ai-spring-boot-autoconfigure/src/main/java/org/springframework/ai/autoconfigure/bedrock/cohere/BedrockCohereChatAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 - 2024 the original author or authors.
+ * Copyright 2023-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,7 @@ public class BedrockCohereChatAutoConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
 	@ConditionalOnBean(CohereChatBedrockApi.class)
 	public BedrockCohereChatModel cohereChatModel(CohereChatBedrockApi cohereChatApi,
 			BedrockCohereChatProperties properties) {

spring-ai-spring-boot-autoconfigure/src/main/java/org/springframework/ai/autoconfigure/bedrock/cohere/BedrockCohereEmbeddingAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 - 2024 the original author or authors.
+ * Copyright 2023-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-ai-spring-boot-autoconfigure/src/main/java/org/springframework/ai/autoconfigure/bedrock/jurrasic2/BedrockAi21Jurassic2ChatAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 - 2024 the original author or authors.
+ * Copyright 2023-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,6 +58,7 @@ public class BedrockAi21Jurassic2ChatAutoConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
 	@ConditionalOnBean(Ai21Jurassic2ChatBedrockApi.class)
 	public BedrockAi21Jurassic2ChatModel jurassic2ChatModel(Ai21Jurassic2ChatBedrockApi ai21Jurassic2ChatBedrockApi,
 			BedrockAi21Jurassic2ChatProperties properties) {

spring-ai-spring-boot-autoconfigure/src/main/java/org/springframework/ai/autoconfigure/bedrock/llama/BedrockLlamaChatAutoConfiguration.java

@@ -58,6 +58,7 @@ public class BedrockLlamaChatAutoConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
 	@ConditionalOnBean(LlamaChatBedrockApi.class)
 	public BedrockLlamaChatModel llamaChatModel(LlamaChatBedrockApi llamaApi, BedrockLlamaChatProperties properties) {
 

spring-ai-spring-boot-autoconfigure/src/main/java/org/springframework/ai/autoconfigure/vertexai/gemini/VertexAiGeminiAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 - 2024 the original author or authors.
+ * Copyright 2023-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,12 +21,14 @@ import java.util.List;
 import com.google.auth.oauth2.GoogleCredentials;
 import com.google.cloud.vertexai.VertexAI;
 
+import org.springframework.ai.autoconfigure.azure.openai.AzureOpenAiChatProperties;
 import org.springframework.ai.model.function.FunctionCallback;
 import org.springframework.ai.model.function.FunctionCallbackContext;
 import org.springframework.ai.model.function.FunctionCallbackWrapper.Builder.SchemaType;
 import org.springframework.ai.vertexai.gemini.VertexAiGeminiChatModel;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
@@ -38,6 +40,7 @@ import org.springframework.util.StringUtils;
  * Auto-configuration for Vertex AI Gemini Chat.
  *
  * @author Christian Tzolov
+ * @author Soby Chacko
  * @since 0.8.0
  */
 @ConditionalOnClass({ VertexAI.class, VertexAiGeminiChatModel.class })
@@ -74,6 +77,8 @@ public class VertexAiGeminiAutoConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean
+	@ConditionalOnProperty(prefix = VertexAiGeminiChatProperties.CONFIG_PREFIX, name = "enabled", havingValue = "true",
+			matchIfMissing = true)
 	public VertexAiGeminiChatModel vertexAiGeminiChat(VertexAI vertexAi, VertexAiGeminiChatProperties chatProperties,
 			List<FunctionCallback> toolFunctionCallbacks, ApplicationContext context) {