gerrit-extension-api/src/main/java/com/google/gerrit/extensions/webui/DiffWebLink.java

// 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.webui;

import com.google.gerrit.extensions.annotations.ExtensionPoint;
import com.google.gerrit.extensions.common.DiffWebLinkInfo;

@ExtensionPoint
public interface DiffWebLink extends WebLink {

  /**
   * {@link com.google.gerrit.extensions.common.DiffWebLinkInfo}
   * describing a link from a file diff to an external service.
   *
   * <p>In order for the web link to be visible
   * {@link com.google.gerrit.extensions.common.WebLinkInfo#url}
   * and {@link com.google.gerrit.extensions.common.WebLinkInfo#name}
   * must be set.<p>
   *
   * @param projectName Name of the project
   * @param changeId ID of the change
   * @param patchSetIdA Patch set ID of side A, <code>null</code> if no base
   *        patch set was selected
   * @param revisionA Name of the revision of side A (e.g. branch or commit ID)
   * @param fileNameA Name of the file of side A
   * @param patchSetIdB Patch set ID of side B
   * @param revisionB Name of the revision of side B (e.g. branch or commit ID)
   * @param fileNameB Name of the file of side B
   * @return WebLinkInfo that links to file diff in external service,
   * null if there should be no link.
   */
  DiffWebLinkInfo getDiffLink(String projectName, int changeId,
        Integer patchSetIdA, String revisionA, String fileNameA,
        int patchSetIdB, String revisionB, String fileNameB);
}