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/*
* Copyright 2012-2024 The Feign Authors
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package feign.form;
import static feign.Logger.Level.FULL;
import static feign.form.ContentType.MULTIPART;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.DEFINED_PORT;
import lombok.val;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
import feign.Feign;
import feign.Headers;
import feign.Logger.JavaLogger;
import feign.Param;
import feign.RequestLine;
import feign.codec.EncodeException;
import feign.form.multipart.ByteArrayWriter;
import feign.form.multipart.Output;
import feign.jackson.JacksonEncoder;
@SpringBootTest(webEnvironment = DEFINED_PORT, classes = Server.class)
class CustomClientTest {
private static final CustomClient API;
static {
val encoder = new FormEncoder(new JacksonEncoder());
val processor = (MultipartFormContentProcessor) encoder.getContentProcessor(MULTIPART);
processor.addFirstWriter(new CustomByteArrayWriter());
API = Feign.builder().encoder(encoder)
.logger(new JavaLogger(CustomClientTest.class).appendToFile("log.txt"))
.logLevel(FULL).target(CustomClient.class, "http://localhost:8080");
}
@Test
void test() {
assertThat(API.uploadByteArray(new byte[0])).isNotNull().isEqualTo("popa.txt");
}
private static final class CustomByteArrayWriter extends ByteArrayWriter {
@Override
protected void write(Output output, String key, Object value) throws EncodeException {
writeFileMetadata(output, key, "popa.txt", null);
val bytes = (byte[]) value;
output.write(bytes);
}
}
interface CustomClient {
@RequestLine("POST /upload/byte_array")
@Headers("Content-Type: multipart/form-data")
String uploadByteArray(@Param("file") byte[] bytes);
}
}