Bedrock client auto-configuration support external AwsCredentialsProvider and AwsRegionProvider

models/spring-ai-bedrock/src/main/java/org/springframework/ai/bedrock/anthropic/api/AnthropicChatBedrockApi.java

@@ -24,6 +24,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import reactor.core.publisher.Flux;
 import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
 
 import org.springframework.ai.bedrock.anthropic.api.AnthropicChatBedrockApi.AnthropicChatRequest;
 import org.springframework.ai.bedrock.anthropic.api.AnthropicChatBedrockApi.AnthropicChatResponse;
@@ -32,6 +33,7 @@
 
 /**
  * @author Christian Tzolov
+ * @author Wei Jiang
  * @since 0.8.0
  */
 // @formatter:off
@@ -92,6 +94,20 @@ public AnthropicChatBedrockApi(String modelId, AwsCredentialsProvider credential
 		super(modelId, credentialsProvider, region, objectMapper, timeout);
 	}
 
+	/**
+	 * Create a new AnthropicChatBedrockApi instance using the provided credentials provider, region and object mapper.
+	 *
+	 * @param modelId The model id to use. See the {@link AnthropicChatModel} for the supported models.
+	 * @param credentialsProvider The credentials provider to connect to AWS.
+	 * @param region The AWS region to use.
+	 * @param objectMapper The object mapper to use for JSON serialization and deserialization.
+	 * @param timeout The timeout to use.
+	 */
+	public AnthropicChatBedrockApi(String modelId, AwsCredentialsProvider credentialsProvider, Region region,
+			ObjectMapper objectMapper, Duration timeout) {
+		super(modelId, credentialsProvider, region, objectMapper, timeout);
+	}
+
 	// https://github.com/build-on-aws/amazon-bedrock-java-examples/blob/main/example_code/bedrock-runtime/src/main/java/aws/community/examples/InvokeBedrockStreamingAsync.java
 
 	// https://docs.anthropic.com/claude/reference/complete_post

models/spring-ai-bedrock/src/main/java/org/springframework/ai/bedrock/anthropic3/api/Anthropic3ChatBedrockApi.java

@@ -26,6 +26,7 @@
 import org.springframework.util.Assert;
 import reactor.core.publisher.Flux;
 import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
 
 import java.time.Duration;
 import java.util.List;
@@ -39,6 +40,7 @@
  *
  * @author Ben Middleton
  * @author Christian Tzolov
+ * @author Wei Jiang
  * @since 1.0.0
  */
 // @formatter:off
@@ -96,6 +98,20 @@ public Anthropic3ChatBedrockApi(String modelId, AwsCredentialsProvider credentia
 		super(modelId, credentialsProvider, region, objectMapper, timeout);
 	}
 
+	/**
+	 * Create a new AnthropicChatBedrockApi instance using the provided credentials provider, region and object mapper.
+	 *
+	 * @param modelId The model id to use. See the {@link AnthropicChatModel} for the supported models.
+	 * @param credentialsProvider The credentials provider to connect to AWS.
+	 * @param region The AWS region to use.
+	 * @param objectMapper The object mapper to use for JSON serialization and deserialization.
+	 * @param timeout The timeout to use.
+	 */
+	public Anthropic3ChatBedrockApi(String modelId, AwsCredentialsProvider credentialsProvider, Region region,
+			ObjectMapper objectMapper, Duration timeout) {
+		super(modelId, credentialsProvider, region, objectMapper, timeout);
+	}
+
 	// https://github.com/build-on-aws/amazon-bedrock-java-examples/blob/main/example_code/bedrock-runtime/src/main/java/aws/community/examples/InvokeBedrockStreamingAsync.java
 
 	// https://docs.anthropic.com/claude/reference/complete_post

models/spring-ai-bedrock/src/main/java/org/springframework/ai/bedrock/api/AbstractBedrockApi.java

@@ -61,6 +61,7 @@
  * @see <a href="https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters.html">Model Parameters</a>
 
  * @author Christian Tzolov
+ * @author Wei Jiang
  * @since 0.8.0
  */
 public abstract class AbstractBedrockApi<I, O, SO> {
@@ -69,7 +70,7 @@ public abstract class AbstractBedrockApi<I, O, SO> {
 
 	private final String modelId;
 	private final ObjectMapper objectMapper;
-	private final String region;
+	private final Region region;
 	private final BedrockRuntimeClient client;
 	private final BedrockRuntimeAsyncClient clientStreaming;
 
@@ -93,7 +94,7 @@ public AbstractBedrockApi(String modelId, String region, Duration timeout) {
 		this(modelId, ProfileCredentialsProvider.builder().build(), region, ModelOptionsUtils.OBJECT_MAPPER, timeout);
 	}
 
-		/**
+	/**
 	 * Create a new AbstractBedrockApi instance using the provided credentials provider, region and object mapper.
 	 *
 	 * @param modelId The model id to use.
@@ -105,6 +106,7 @@ public AbstractBedrockApi(String modelId, AwsCredentialsProvider credentialsProv
 			 ObjectMapper objectMapper) {
 		this(modelId, credentialsProvider, region, objectMapper, Duration.ofMinutes(5));
 	}
+
 	/**
 	 * Create a new AbstractBedrockApi instance using the provided credentials provider, region and object mapper.
 	 *
@@ -118,10 +120,26 @@ public AbstractBedrockApi(String modelId, AwsCredentialsProvider credentialsProv
 	 */
 	public AbstractBedrockApi(String modelId, AwsCredentialsProvider credentialsProvider, String region,
 			ObjectMapper objectMapper, Duration timeout) {
+		this(modelId, credentialsProvider, Region.of(region), objectMapper, timeout);
+	}
+
+	/**
+	 * Create a new AbstractBedrockApi instance using the provided credentials provider, region and object mapper.
+	 *
+	 * @param modelId The model id to use.
+	 * @param credentialsProvider The credentials provider to connect to AWS.
+	 * @param region The AWS region to use.
+	 * @param objectMapper The object mapper to use for JSON serialization and deserialization.
+	 * @param timeout Configure the amount of time to allow the client to complete the execution of an API call.
+	 * This timeout covers the entire client execution except for marshalling. This includes request handler execution,
+	 * all HTTP requests including retries, unmarshalling, etc. This value should always be positive, if present.
+	 */
+	public AbstractBedrockApi(String modelId, AwsCredentialsProvider credentialsProvider, Region region,
+			ObjectMapper objectMapper, Duration timeout) {
 
 		Assert.hasText(modelId, "Model id must not be empty");
 		Assert.notNull(credentialsProvider, "Credentials provider must not be null");
-		Assert.hasText(region, "Region must not be empty");
+		Assert.notNull(region, "Region must not be empty");
 		Assert.notNull(objectMapper, "Object mapper must not be null");
 		Assert.notNull(timeout, "Timeout must not be null");
 
@@ -131,13 +149,13 @@ public AbstractBedrockApi(String modelId, AwsCredentialsProvider credentialsProv
 
 
 		this.client = BedrockRuntimeClient.builder()
-				.region(Region.of(this.region))
+				.region(this.region)
 				.credentialsProvider(credentialsProvider)
 				.overrideConfiguration(c -> c.apiCallTimeout(timeout))
 				.build();
 
 		this.clientStreaming = BedrockRuntimeAsyncClient.builder()
-				.region(Region.of(this.region))
+				.region(this.region)
 				.credentialsProvider(credentialsProvider)
 				.overrideConfiguration(c -> c.apiCallTimeout(timeout))
 				.build();
@@ -153,7 +171,7 @@ public String getModelId() {
 	/**
 	 * @return The AWS region.
 	 */
-	public String getRegion() {
+	public Region getRegion() {
 		return this.region;
 	}
 

models/spring-ai-bedrock/src/main/java/org/springframework/ai/bedrock/cohere/api/CohereChatBedrockApi.java

@@ -25,6 +25,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import reactor.core.publisher.Flux;
 import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
 
 import org.springframework.ai.bedrock.api.AbstractBedrockApi;
 import org.springframework.ai.bedrock.cohere.api.CohereChatBedrockApi.CohereChatRequest;
@@ -36,6 +37,7 @@
  * https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters-cohere.html
  *
  * @author Christian Tzolov
+ * @author Wei Jiang
  * @since 0.8.0
  */
 public class CohereChatBedrockApi extends
@@ -91,6 +93,20 @@ public CohereChatBedrockApi(String modelId, AwsCredentialsProvider credentialsPr
 		super(modelId, credentialsProvider, region, objectMapper, timeout);
 	}
 
+	/**
+	 * Create a new CohereChatBedrockApi instance using the provided credentials provider, region and object mapper.
+	 *
+	 * @param modelId The model id to use. See the {@link CohereChatModel} for the supported models.
+	 * @param credentialsProvider The credentials provider to connect to AWS.
+	 * @param region The AWS region to use.
+	 * @param objectMapper The object mapper to use for JSON serialization and deserialization.
+	 * @param timeout The timeout to use.
+	 */
+	public CohereChatBedrockApi(String modelId, AwsCredentialsProvider credentialsProvider, Region region,
+			ObjectMapper objectMapper, Duration timeout) {
+		super(modelId, credentialsProvider, region, objectMapper, timeout);
+	}
+
 	/**
 	 * CohereChatRequest encapsulates the request parameters for the Cohere command model.
 	 *

models/spring-ai-bedrock/src/main/java/org/springframework/ai/bedrock/cohere/api/CohereEmbeddingBedrockApi.java

@@ -24,6 +24,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
 
 import org.springframework.ai.bedrock.api.AbstractBedrockApi;
 import org.springframework.ai.bedrock.cohere.api.CohereEmbeddingBedrockApi.CohereEmbeddingRequest;
@@ -34,6 +35,7 @@
  * https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters-cohere.html#model-parameters-embed
  *
  * @author Christian Tzolov
+ * @author Wei Jiang
  * @since 0.8.0
  */
 public class CohereEmbeddingBedrockApi extends
@@ -91,6 +93,21 @@ public CohereEmbeddingBedrockApi(String modelId, AwsCredentialsProvider credenti
 		super(modelId, credentialsProvider, region, objectMapper, timeout);
 	}
 
+	/**
+	 * Create a new CohereEmbeddingBedrockApi instance using the provided credentials provider, region and object
+	 * mapper.
+	 *
+	 * @param modelId The model id to use. See the {@link CohereEmbeddingModel} for the supported models.
+	 * @param credentialsProvider The credentials provider to connect to AWS.
+	 * @param region The AWS region to use.
+	 * @param objectMapper The object mapper to use for JSON serialization and deserialization.
+	 * @param timeout The timeout to use.
+	 */
+	public CohereEmbeddingBedrockApi(String modelId, AwsCredentialsProvider credentialsProvider, Region region,
+			ObjectMapper objectMapper, Duration timeout) {
+		super(modelId, credentialsProvider, region, objectMapper, timeout);
+	}
+
 	/**
 	 * The Cohere Embed model request.
 	 *

models/spring-ai-bedrock/src/main/java/org/springframework/ai/bedrock/jurassic2/api/Ai21Jurassic2ChatBedrockApi.java

@@ -29,12 +29,14 @@
 import org.springframework.ai.bedrock.jurassic2.api.Ai21Jurassic2ChatBedrockApi.Ai21Jurassic2ChatResponse;
 
 import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
 
 /**
  * Java client for the Bedrock Jurassic2 chat model.
  * https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters-jurassic2.html
  *
  * @author Christian Tzolov
+ * @author Wei Jiang
  * @since 0.8.0
  */
 public class Ai21Jurassic2ChatBedrockApi extends
@@ -92,6 +94,20 @@ public Ai21Jurassic2ChatBedrockApi(String modelId, AwsCredentialsProvider creden
 		super(modelId, credentialsProvider, region, objectMapper, timeout);
 	}
 
+	/**
+	 * Create a new Ai21Jurassic2ChatBedrockApi instance.
+	 *
+	 * @param modelId The model id to use. See the {@link Ai21Jurassic2ChatBedrockApi.Ai21Jurassic2ChatModel} for the supported models.
+	 * @param credentialsProvider The credentials provider to connect to AWS.
+	 * @param region The AWS region to use.
+	 * @param objectMapper The object mapper to use for JSON serialization and deserialization.
+	 * @param timeout The timeout to use.
+	 */
+	public Ai21Jurassic2ChatBedrockApi(String modelId, AwsCredentialsProvider credentialsProvider, Region region,
+									ObjectMapper objectMapper, Duration timeout) {
+		super(modelId, credentialsProvider, region, objectMapper, timeout);
+	}
+
 	/**
 	 * AI21 Jurassic2 chat request parameters.
 	 *

models/spring-ai-bedrock/src/main/java/org/springframework/ai/bedrock/llama2/api/Llama2ChatBedrockApi.java

@@ -21,6 +21,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import reactor.core.publisher.Flux;
 import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
 
 import org.springframework.ai.bedrock.api.AbstractBedrockApi;
 import org.springframework.ai.bedrock.llama2.api.Llama2ChatBedrockApi.Llama2ChatRequest;
@@ -34,6 +35,7 @@
  * https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters-meta.html
  *
  * @author Christian Tzolov
+ * @author Wei Jiang
  * @since 0.8.0
  */
 public class Llama2ChatBedrockApi extends
@@ -89,6 +91,20 @@ public Llama2ChatBedrockApi(String modelId, AwsCredentialsProvider credentialsPr
 		super(modelId, credentialsProvider, region, objectMapper, timeout);
 	}
 
+	/**
+	 * Create a new Llama2ChatBedrockApi instance using the provided credentials provider, region and object mapper.
+	 *
+	 * @param modelId The model id to use. See the {@link Llama2ChatModel} for the supported models.
+	 * @param credentialsProvider The credentials provider to connect to AWS.
+	 * @param region The AWS region to use.
+	 * @param objectMapper The object mapper to use for JSON serialization and deserialization.
+	 * @param timeout The timeout to use.
+	 */
+	public Llama2ChatBedrockApi(String modelId, AwsCredentialsProvider credentialsProvider, Region region,
+			ObjectMapper objectMapper, Duration timeout) {
+		super(modelId, credentialsProvider, region, objectMapper, timeout);
+	}
+
 	/**
 	 * Llama2ChatRequest encapsulates the request parameters for the Meta Llama2 chat model.
 	 *

models/spring-ai-bedrock/src/main/java/org/springframework/ai/bedrock/titan/api/TitanChatBedrockApi.java

@@ -24,6 +24,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import reactor.core.publisher.Flux;
 import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
 
 import org.springframework.ai.bedrock.api.AbstractBedrockApi;
 import org.springframework.ai.bedrock.titan.api.TitanChatBedrockApi.TitanChatRequest;
@@ -38,6 +39,7 @@
  * https://docs.aws.amazon.com/bedrock/latest/userguide/titan-text-models.html
  *
  * @author Christian Tzolov
+ * @author Wei Jiang
  * @since 0.8.0
  */
 // @formatter:off
@@ -92,6 +94,20 @@ public TitanChatBedrockApi(String modelId, AwsCredentialsProvider credentialsPro
 		super(modelId, credentialsProvider, region, objectMapper, timeout);
 	}
 
+	/**
+	 * Create a new TitanChatBedrockApi instance using the provided credentials provider, region and object mapper.
+	 *
+	 * @param modelId The model id to use. See the {@link TitanChatModel} for the supported models.
+	 * @param credentialsProvider The credentials provider to connect to AWS.
+	 * @param region The AWS region to use.
+	 * @param objectMapper The object mapper to use for JSON serialization and deserialization.
+	 * @param timeout The timeout to use.
+	 */
+	public TitanChatBedrockApi(String modelId, AwsCredentialsProvider credentialsProvider, Region region,
+			ObjectMapper objectMapper, Duration timeout) {
+		super(modelId, credentialsProvider, region, objectMapper, timeout);
+	}
+
 	/**
 	 * TitanChatRequest encapsulates the request parameters for the Titan chat model.
 	 *

models/spring-ai-bedrock/src/main/java/org/springframework/ai/bedrock/titan/api/TitanEmbeddingBedrockApi.java

@@ -23,6 +23,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
 
 import org.springframework.ai.bedrock.api.AbstractBedrockApi;
 import org.springframework.ai.bedrock.titan.api.TitanEmbeddingBedrockApi.TitanEmbeddingRequest;
@@ -34,6 +35,7 @@
  * https://docs.aws.amazon.com/bedrock/latest/userguide/titan-multiemb-models.html
  *
  * @author Christian Tzolov
+ * @author Wei Jiang
  * @since 0.8.0
  */
 // @formatter:off
@@ -65,6 +67,20 @@ public TitanEmbeddingBedrockApi(String modelId, AwsCredentialsProvider credentia
 		super(modelId, credentialsProvider, region, objectMapper, timeout);
 	}
 
+	/**
+	 * Create a new TitanEmbeddingBedrockApi instance.
+	 *
+	 * @param modelId The model id to use. See the {@link TitanEmbeddingModel} for the supported models.
+	 * @param credentialsProvider The credentials provider to connect to AWS.
+	 * @param region The AWS region to use.
+	 * @param objectMapper The object mapper to use for JSON serialization and deserialization.
+	 * @param timeout The timeout to use.
+	 */
+	public TitanEmbeddingBedrockApi(String modelId, AwsCredentialsProvider credentialsProvider, Region region,
+			ObjectMapper objectMapper, Duration timeout) {
+		super(modelId, credentialsProvider, region, objectMapper, timeout);
+	}
+
 	/**
 	 * Titan Embedding request parameters.
 	 *