Java tutorial
/* * Copyright 2011 gitblit.com. * * 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.gitblit.utils; import java.text.DateFormat; import java.text.MessageFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import java.util.TimeZone; import java.util.TreeSet; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.Repository; import com.gitblit.IStoredSettings; import com.gitblit.Keys; import com.gitblit.manager.IRepositoryManager; import com.gitblit.models.Activity; import com.gitblit.models.RefModel; import com.gitblit.models.RepositoryCommit; import com.gitblit.models.RepositoryModel; /** * Utility class for building activity information from repositories. * * @author James Moger * */ public class ActivityUtils { /** * Gets the recent activity from the repositories for the last daysBack days * on the specified branch. * * @param settings * the runtime settings * @param repositoryManager * the repository manager * @param models * the list of repositories to query * @param daysBack * the number of days back from Now to collect * @param objectId * the branch to retrieve. If this value is null or empty all * branches are queried. * @param timezone * the timezone for aggregating commits * @return */ public static List<Activity> getRecentActivity(IStoredSettings settings, IRepositoryManager repositoryManager, List<RepositoryModel> models, int daysBack, String objectId, TimeZone timezone) { // Activity panel shows last daysBack of activity across all // repositories. Date thresholdDate = new Date(System.currentTimeMillis() - daysBack * TimeUtils.ONEDAY); // Build a map of DailyActivity from the available repositories for the // specified threshold date. DateFormat df = new SimpleDateFormat("yyyy-MM-dd"); df.setTimeZone(timezone); Calendar cal = Calendar.getInstance(); cal.setTimeZone(timezone); // aggregate author exclusions Set<String> authorExclusions = new TreeSet<String>(); authorExclusions.addAll(settings.getStrings(Keys.web.metricAuthorExclusions)); for (RepositoryModel model : models) { if (!ArrayUtils.isEmpty(model.metricAuthorExclusions)) { authorExclusions.addAll(model.metricAuthorExclusions); } } Map<String, Activity> activity = new HashMap<String, Activity>(); for (RepositoryModel model : models) { if (!model.isShowActivity()) { // skip this repository continue; } if (model.hasCommits && model.lastChange.after(thresholdDate)) { if (model.isCollectingGarbage) { continue; } Repository repository = repositoryManager.getRepository(model.name); List<String> branches = new ArrayList<String>(); if (StringUtils.isEmpty(objectId)) { for (RefModel local : JGitUtils.getLocalBranches(repository, true, -1)) { if (!local.getDate().after(thresholdDate)) { // branch not recently updated continue; } branches.add(local.getName()); } } else { branches.add(objectId); } for (String branch : branches) { String shortName = branch; if (shortName.startsWith(Constants.R_HEADS)) { shortName = shortName.substring(Constants.R_HEADS.length()); } List<RepositoryCommit> commits = CommitCache.instance().getCommits(model.name, repository, branch, thresholdDate); if (model.maxActivityCommits > 0 && commits.size() > model.maxActivityCommits) { // trim commits to maximum count commits = commits.subList(0, model.maxActivityCommits); } for (RepositoryCommit commit : commits) { Date date = commit.getCommitDate(); String dateStr = df.format(date); if (!activity.containsKey(dateStr)) { // Normalize the date to midnight cal.setTime(date); cal.set(Calendar.HOUR_OF_DAY, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); Activity a = new Activity(cal.getTime()); a.excludeAuthors(authorExclusions); activity.put(dateStr, a); } activity.get(dateStr).addCommit(commit); } } // close the repository repository.close(); } } List<Activity> recentActivity = new ArrayList<Activity>(activity.values()); return recentActivity; } /** * Creates a Gravatar thumbnail url from the specified email address. * * @param email * address to query Gravatar * @param width * size of thumbnail. if width <= 0, the default of 50 is used. * @return */ public static String getGravatarIdenticonUrl(String email, int width) { if (width <= 0) { width = 50; } String emailHash = StringUtils.getMD5(email.toLowerCase()); String url = MessageFormat.format("https://www.gravatar.com/avatar/{0}?s={1,number,0}&d=identicon", emailHash, width); return url; } /** * Creates a Gravatar thumbnail url from the specified email address. * * @param email * address to query Gravatar * @param width * size of thumbnail. if width <= 0, the default of 50 is used. * @return */ public static String getGravatarThumbnailUrl(String email, int width) { if (width <= 0) { width = 50; } String emailHash = StringUtils.getMD5(email.toLowerCase()); String url = MessageFormat.format("https://www.gravatar.com/avatar/{0}?s={1,number,0}&d=mm", emailHash, width); return url; } }