customsearch/GoogleCustomWebSearchEngine.java

Implements WebSearchEngine using Google Custom Search API with configurable options.

// Source: https://github.com/langchain4j/langchain4j | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
package dev.langchain4j.web.search.google.customsearch;

import static com.google.api.services.customsearch.v1.model.Search.Queries;
import static dev.langchain4j.internal.UriUtils.createUriSafely;
import static dev.langchain4j.internal.Utils.getOrDefault;
import static dev.langchain4j.internal.Utils.isNotNullOrBlank;
import static dev.langchain4j.internal.Utils.isNullOrEmpty;
import static dev.langchain4j.internal.ValidationUtils.ensureNotNull;
import static java.util.stream.Collectors.toList;

import com.google.api.client.json.GenericJson;
import com.google.api.services.customse

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