com.google.gerrit.server.edit.ChangeEditJson.java Source code

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Here is the source code for com.google.gerrit.server.edit.ChangeEditJson.java

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// 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.server.edit;

import com.google.common.collect.Maps;
import com.google.gerrit.extensions.common.CommitInfo;
import com.google.gerrit.extensions.common.EditInfo;
import com.google.gerrit.extensions.common.FetchInfo;
import com.google.gerrit.extensions.config.DownloadCommand;
import com.google.gerrit.extensions.config.DownloadScheme;
import com.google.gerrit.extensions.registration.DynamicMap;
import com.google.gerrit.server.CommonConverters;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.change.ChangeJson;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;

import org.eclipse.jgit.revwalk.RevCommit;

import java.util.ArrayList;
import java.util.Map;

@Singleton
public class ChangeEditJson {
    private final DynamicMap<DownloadCommand> downloadCommands;
    private final DynamicMap<DownloadScheme> downloadSchemes;
    private final Provider<CurrentUser> userProvider;

    @Inject
    ChangeEditJson(DynamicMap<DownloadCommand> downloadCommand, DynamicMap<DownloadScheme> downloadSchemes,
            Provider<CurrentUser> userProvider) {
        this.downloadCommands = downloadCommand;
        this.downloadSchemes = downloadSchemes;
        this.userProvider = userProvider;
    }

    public EditInfo toEditInfo(ChangeEdit edit, boolean downloadCommands) {
        EditInfo out = new EditInfo();
        out.commit = fillCommit(edit.getEditCommit());
        out.baseRevision = edit.getBasePatchSet().getRevision().get();
        if (downloadCommands) {
            out.fetch = fillFetchMap(edit);
        }
        return out;
    }

    private static CommitInfo fillCommit(RevCommit editCommit) {
        CommitInfo commit = new CommitInfo();
        commit.commit = editCommit.toObjectId().getName();
        commit.author = CommonConverters.toGitPerson(editCommit.getAuthorIdent());
        commit.committer = CommonConverters.toGitPerson(editCommit.getCommitterIdent());
        commit.subject = editCommit.getShortMessage();
        commit.message = editCommit.getFullMessage();

        commit.parents = new ArrayList<>(editCommit.getParentCount());
        for (RevCommit p : editCommit.getParents()) {
            CommitInfo i = new CommitInfo();
            i.commit = p.name();
            commit.parents.add(i);
        }

        return commit;
    }

    private Map<String, FetchInfo> fillFetchMap(ChangeEdit edit) {
        Map<String, FetchInfo> r = Maps.newLinkedHashMap();
        for (DynamicMap.Entry<DownloadScheme> e : downloadSchemes) {
            String schemeName = e.getExportName();
            DownloadScheme scheme = e.getProvider().get();
            if (!scheme.isEnabled() || (scheme.isAuthRequired() && !userProvider.get().isIdentifiedUser())) {
                continue;
            }

            // No fluff, just stuff
            if (!scheme.isAuthSupported()) {
                continue;
            }

            String projectName = edit.getChange().getProject().get();
            String refName = edit.getRefName();
            FetchInfo fetchInfo = new FetchInfo(scheme.getUrl(projectName), refName);
            r.put(schemeName, fetchInfo);

            ChangeJson.populateFetchMap(scheme, downloadCommands, projectName, refName, fetchInfo);
        }

        return r;
    }
}