openapi-nexus 0.2.3

OpenAPI 3.x multi-language code generator
Documentation 
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package runtime;

import java.util.function.Supplier;
import okhttp3.Request;

public class ApiKeyAuth implements Authenticator {
    private final String key;
    private final Supplier<String> keyProvider;
    private final String name;
    private final ApiKeyLocation location;

    public ApiKeyAuth(String key, String name, ApiKeyLocation location) {
        this.key = key;
        this.keyProvider = null;
        this.name = name;
        this.location = location;
    }

    public ApiKeyAuth(Supplier<String> keyProvider, String name, ApiKeyLocation location) {
        this.key = null;
        this.keyProvider = keyProvider;
        this.name = name;
        this.location = location;
    }

    @Override
    public void authenticate(Request.Builder builder) {
        String k = keyProvider != null ? keyProvider.get() : key;
        if (location == ApiKeyLocation.HEADER) {
            builder.header(name, k);
        } else if (location == ApiKeyLocation.QUERY) {
            builder.url(builder.build().url().newBuilder()
                    .addQueryParameter(name, k)
                    .build());
        }
    }
}