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Refactor: Add null check, optimize string joining, and add JavaDocs #3663

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Refactor: Add null check, optimize string joining, and add JavaDocs #3663

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Refactor: Add null check, optimize string joining, and add JavaDocs
KoreaNirsa Jun 25, 2025
08b73ce
Style: restore standard import order
KoreaNirsa Jun 25, 2025
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12 changes: 11 additions & 1 deletion models/spring-ai-openai/src/main/java/org/springframework/ai/openai/api/OpenAiApi.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Consumer;
import java.util.function.Predicate;
import java.util.stream.Collectors;

import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.annotation.JsonIgnore;
Expand Down Expand Up @@ -144,11 +145,20 @@ public OpenAiApi(String baseUrl, ApiKey apiKey, MultiValueMap<String, String> he
.build(); // @formatter:on
}

/**
* Returns a string containing all text values from the given media content list. Only
* elements of type "text" are processed and concatenated in order.
* @param content The list of {@link ChatCompletionMessage.MediaContent}
* @return a string containing all text values from "text" type elements
* @throws IllegalArgumentException if content is null
*/
public static String getTextContent(List<ChatCompletionMessage.MediaContent> content) {
Assert.notNull(content, "content cannot be null");

return content.stream()
.filter(c -> "text".equals(c.type()))
.map(ChatCompletionMessage.MediaContent::text)
.reduce("", (a, b) -> a + b);
.collect(Collectors.joining());
}

/**
Expand Down