// Copyright (C) 2014 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;

/**
 * Optional interface for {@link RestCollection}.
 *
 * <p>Collections that implement this interface can accept a {@code DELETE} directly on the
 * collection itself.
 */
public interface AcceptsDelete<P extends RestResource> {
  /**
   * Handle deletion of a child resource by DELETE on the collection.
   *
   * @param parent parent collection handle.
   * @param id id of the resource being created (optional).
   * @return a view to perform the deletion.
   * @throws RestApiException the view cannot be constructed.
   */
  RestModifyView<P, ?> delete(P parent, IdString id) throws RestApiException;
}

@@ -716,252 +716,635 @@
  %3Cp%3E
-Collections that implement this interface can accept a %7B@code DELETE%7D directly on the%0A * collection itself.%0A */%0Apublic interface AcceptsDelete%3CP extends RestResource%3E %7B%0A  /**%0A   * Handle deletion of a child resource by
+This interface is used for 2 purposes:%0A *%0A * %3Cul%3E%0A *   %3Cli%3Eto support %7B@code DELETE%7D directly on the collection itself%0A *   %3Cli%3Eto support %7B@code DELETE%7D on a non-existing member of the collection (in order to create%0A *       that member)%0A * %3C/ul%3E%0A *%0A * %3Cp%3EThis interface is not supported for root collections.%0A */%0Apublic interface AcceptsDelete%3CP extends RestResource%3E %7B%0A  /**%0A   * Handle%0A   *%0A   * %3Cul%3E%0A   *   %3Cli%3E%7B@code DELETE%7D directly on the collection itself (in this case id is %7B@code null%7D)%0A   *   %3Cli%3E%7B@code
  DELETE
+%7D
  on 
-the collection.
+a non-existing member of the collection (in this case id is not %7B@code%0A   *       null%7D)%0A   * %3C/ul%3E
 %0A   
@@ -1364,22 +1364,19 @@
  parent 
-parent
+the
  collect
@@ -1382,16 +1382,8 @@
 tion
- handle.
 %0A   
@@ -1408,87 +1408,226 @@
 the 
-resource being created (optional).%0A   * @return a view to perform the deletion.
+non-existing collection member for which the %7B@code DELETE%7D request is%0A   *     done, %7B@code null%7D if the %7B@code DELETE%7D request is done on the collection itself%0A   * @return a view to handle the %7B@code DELETE%7D request
 %0A   
@@ -1683,17 +1683,16 @@
 structed
-.
 %0A   */%0A 

Fix JavaDoc of AcceptsDelete