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A type-safe HTTP client for Android and Java.

There is a newer version: 2.11.0

/*
 * Copyright (C) 2014 Square, Inc.
 *
 * 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 retrofit2.http;

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import retrofit2.Converter;

import static java.lang.annotation.ElementType.PARAMETER;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Denotes name and value parts of a multi-part request.
 * 
 * Values of the map on which this annotation exists will be processed in one of two ways:
 * 

 * If the type is {@link okhttp3.RequestBody RequestBody} the value will be used
 * directly with its content type.
 * Other object types will be converted to an appropriate representation by using
 * {@linkplain Converter a converter}.
 * 
 * 
 * 

 * @Multipart
 * @POST("/upload")
 * Call<ResponseBody> upload(
 *     @Part("file") RequestBody file,
 *     @PartMap Map<String, RequestBody> params);
 * 
 * 
 * A {@code null} value for the map, as a key, or as a value is not allowed.
 *
 * @see Multipart
 * @see Part
 */
@Documented
@Target(PARAMETER)
@Retention(RUNTIME)
public @interface PartMap {
  /** The {@code Content-Transfer-Encoding} of the parts. */
  String encoding() default "binary";
}