Java tutorial
/* * Copyright 2013 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.wicket.pages; import java.text.MessageFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Collection; import java.util.Collections; 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.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.panel.Fragment; import org.eclipse.jgit.lib.Repository; import com.gitblit.Keys; import com.gitblit.models.DailyLogEntry; import com.gitblit.models.Menu.ParameterMenuItem; import com.gitblit.models.NavLink.DropDownPageMenuNavLink; import com.gitblit.models.Metric; import com.gitblit.models.NavLink; import com.gitblit.models.RefLogEntry; import com.gitblit.models.RepositoryCommit; import com.gitblit.models.RepositoryModel; import com.gitblit.models.UserModel; import com.gitblit.utils.ArrayUtils; import com.gitblit.utils.RefLogUtils; import com.gitblit.utils.StringUtils; import com.gitblit.wicket.GitBlitWebApp; import com.gitblit.wicket.charting.Chart; import com.gitblit.wicket.charting.Charts; import com.gitblit.wicket.charting.Flotr2Charts; import com.gitblit.wicket.panels.DigestsPanel; import com.gitblit.wicket.panels.LinkPanel; public abstract class DashboardPage extends RootPage { public DashboardPage() { super(); } public DashboardPage(PageParameters params) { super(params); } @Override protected boolean reusePageParameters() { return true; } protected void addActivity(UserModel user, Collection<RepositoryModel> repositories, String feedTitle, int daysBack) { Calendar c = Calendar.getInstance(); c.add(Calendar.DATE, -1 * daysBack); Date minimumDate = c.getTime(); TimeZone timezone = getTimeZone(); // create daily commit digest feed List<DailyLogEntry> digests = new ArrayList<DailyLogEntry>(); for (RepositoryModel model : repositories) { if (model.isCollectingGarbage) { continue; } if (model.hasCommits && model.lastChange.after(minimumDate)) { Repository repository = app().repositories().getRepository(model.name); List<DailyLogEntry> entries = RefLogUtils.getDailyLogByRef(model.name, repository, minimumDate, timezone); digests.addAll(entries); repository.close(); } } Fragment activityFragment = new Fragment("activity", "activityFragment", DashboardPage.this); add(activityFragment); activityFragment.add(new Label("feedTitle", feedTitle)); if (digests.size() == 0) { // quiet or no starred repositories if (repositories.size() == 0) { if (UserModel.ANONYMOUS.equals(user)) { if (daysBack == 1) { activityFragment.add(new Label("digests", getString("gb.noActivityToday"))); } else { activityFragment.add( new Label("digests", MessageFormat.format(getString("gb.noActivity"), daysBack))); } } else { activityFragment.add(new LinkPanel("digests", null, getString("gb.findSomeRepositories"), RepositoriesPage.class)); } } else { if (daysBack == 1) { activityFragment.add(new Label("digests", getString("gb.noActivityToday"))); } else { activityFragment .add(new Label("digests", MessageFormat.format(getString("gb.noActivity"), daysBack))); } } } else { // show daily commit digest feed Collections.sort(digests); DigestsPanel digestsPanel = new DigestsPanel("digests", digests); activityFragment.add(digestsPanel); } // add the nifty charts if (!ArrayUtils.isEmpty(digests)) { // aggregate author exclusions Set<String> authorExclusions = new TreeSet<String>(); for (String author : app().settings().getStrings(Keys.web.metricAuthorExclusions)) { authorExclusions.add(author.toLowerCase()); } for (RepositoryModel model : repositories) { if (!ArrayUtils.isEmpty(model.metricAuthorExclusions)) { for (String author : model.metricAuthorExclusions) { authorExclusions.add(author.toLowerCase()); } } } addCharts(activityFragment, digests, authorExclusions, daysBack); } else { activityFragment.add(new Label("charts").setVisible(false)); activityFragment.add(new Label("feedheader").setVisible(false)); } } @Override protected void addDropDownMenus(List<NavLink> navLinks) { PageParameters params = getPageParameters(); DropDownPageMenuNavLink menu = new DropDownPageMenuNavLink("gb.filters", GitBlitWebApp.get().getHomePage()); // preserve repository filter option on time choices menu.menuItems.addAll(getTimeFilterItems(params)); if (menu.menuItems.size() > 0) { // Reset Filter menu.menuItems.add(new ParameterMenuItem(getString("gb.reset"))); } navLinks.add(menu); } /** * Creates the daily activity line chart, the active repositories pie chart, * and the active authors pie chart * * @param recentChanges * @param authorExclusions * @param daysBack */ protected void addCharts(Fragment frag, List<DailyLogEntry> recentChanges, Set<String> authorExclusions, int daysBack) { // activity metrics Map<String, Metric> repositoryMetrics = new HashMap<String, Metric>(); Map<String, Metric> authorMetrics = new HashMap<String, Metric>(); // aggregate repository and author metrics int totalCommits = 0; for (RefLogEntry change : recentChanges) { // aggregate repository metrics String repository = StringUtils.stripDotGit(change.repository); if (!repositoryMetrics.containsKey(repository)) { repositoryMetrics.put(repository, new Metric(repository)); } repositoryMetrics.get(repository).count += 1; for (RepositoryCommit commit : change.getCommits()) { totalCommits++; String author = StringUtils.removeNewlines(commit.getAuthorIdent().getName()); String authorName = author.toLowerCase(); String authorEmail = StringUtils.removeNewlines(commit.getAuthorIdent().getEmailAddress()) .toLowerCase(); if (!authorExclusions.contains(authorName) && !authorExclusions.contains(authorEmail)) { if (!authorMetrics.containsKey(author)) { authorMetrics.put(author, new Metric(author)); } authorMetrics.get(author).count += 1; } } } String headerPattern; if (daysBack == 1) { // today if (totalCommits == 0) { headerPattern = getString("gb.todaysActivityNone"); } else { headerPattern = getString("gb.todaysActivityStats"); } } else { // multiple days if (totalCommits == 0) { headerPattern = getString("gb.recentActivityNone"); } else { headerPattern = getString("gb.recentActivityStats"); } } frag.add(new Label("feedheader", MessageFormat.format(headerPattern, daysBack, totalCommits, authorMetrics.size()))); if (app().settings().getBoolean(Keys.web.generateActivityGraph, true)) { // build google charts Charts charts = new Flotr2Charts(); // active repositories pie chart Chart chart = charts.createPieChart("chartRepositories", getString("gb.activeRepositories"), getString("gb.repository"), getString("gb.commits")); for (Metric metric : repositoryMetrics.values()) { chart.addValue(metric.name, metric.count); } chart.setShowLegend(false); String url = urlFor(SummaryPage.class, null).toString() + "?r="; chart.setClickUrl(url); charts.addChart(chart); // active authors pie chart chart = charts.createPieChart("chartAuthors", getString("gb.activeAuthors"), getString("gb.author"), getString("gb.commits")); for (Metric metric : authorMetrics.values()) { chart.addValue(metric.name, metric.count); } chart.setShowLegend(false); charts.addChart(chart); add(charts); frag.add(new Fragment("charts", "chartsFragment", DashboardPage.this)); } else { frag.add(new Label("charts").setVisible(false)); } } }