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// Copyright (C) 2018 The Android Open Source Project
//
// 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 com.google.gerrit.extensions.restapi;

/**
 * RestView on a RestCollection that supports accepting input.
 *
 * 

The input must be supplied as JSON as the body of the HTTP request. RestCollectionModifyViews * can be invoked by the HTTP methods {@code POST} and {@code DELETE} ({@code DELETE} is only * supported on child collections). * * @param

type of the parent resource * @param type of the child resource * @param type of input the JSON parser will parse the input into. */ public interface RestCollectionModifyView

extends RestCollectionView { /** * Process the modification on the collection resource. * *

The value of the returned response is automatically converted to JSON unless it is a {@link * BinaryResult}. * *

The returned response defines the status code that is returned to the client. For * RestCollectionModifyViews this is usually {@code 200 OK}, but other 2XX or 3XX status codes are * also possible (e.g. {@code 201 Created} if a resource was created, {@code 202 Accepted} if a * background task was scheduled, {@code 204 No Content} if no content is returned, {@code 302 * Found} for a redirect). * *

Throwing a subclass of {@link RestApiException} results in a 4XX response to the client. For * any other exception the client will get a {@code 500 Internal Server Error} response. * * @param parentResource the collection resource on which the modification is done * @return response to return to the client * @throws Exception the implementation of the view failed. The exception will be logged and HTTP * 500 Internal Server Error will be returned to the client. */ Response apply(P parentResource, I input) throws Exception; }





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