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.wicket.pages; import java.text.MessageFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import org.apache.wicket.Component; import org.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.link.BookmarkablePageLink; import org.apache.wicket.markup.html.panel.Fragment; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.markup.repeater.data.DataView; import org.apache.wicket.markup.repeater.data.ListDataProvider; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.revwalk.RevCommit; import com.gitblit.Keys; import com.gitblit.models.Metric; import com.gitblit.models.RepositoryModel; import com.gitblit.models.UserModel; import com.gitblit.utils.JGitUtils; import com.gitblit.utils.StringUtils; import com.gitblit.wicket.CacheControl; import com.gitblit.wicket.CacheControl.LastModified; import com.gitblit.wicket.GitBlitWebSession; import com.gitblit.wicket.MarkupProcessor; import com.gitblit.wicket.MarkupProcessor.MarkupDocument; import com.gitblit.wicket.MarkupProcessor.MarkupSyntax; import com.gitblit.wicket.WicketUtils; import com.gitblit.wicket.charting.Chart; import com.gitblit.wicket.charting.Charts; import com.gitblit.wicket.charting.Flotr2Charts; import com.gitblit.wicket.panels.BranchesPanel; import com.gitblit.wicket.panels.LinkPanel; import com.gitblit.wicket.panels.LogPanel; import com.gitblit.wicket.panels.RepositoryUrlPanel; import com.gitblit.wicket.panels.TagsPanel; @CacheControl(LastModified.REPOSITORY) public class SummaryPage extends RepositoryPage { public SummaryPage(PageParameters params) { super(params); int numberCommits = app().settings().getInteger(Keys.web.summaryCommitCount, 20); if (numberCommits <= 0) { numberCommits = 20; } int numberRefs = app().settings().getInteger(Keys.web.summaryRefsCount, 5); Repository r = getRepository(); final RepositoryModel model = getRepositoryModel(); UserModel user = GitBlitWebSession.get().getUser(); if (user == null) { user = UserModel.ANONYMOUS; } List<Metric> metrics = null; Metric metricsTotal = null; if (!model.skipSummaryMetrics && app().settings().getBoolean(Keys.web.generateActivityGraph, true)) { metrics = app().repositories().getRepositoryDefaultMetrics(model, r); metricsTotal = metrics.remove(0); } addSyndicationDiscoveryLink(); // repository description add(new Label("repositoryDescription", getRepositoryModel().description)); // owner links final List<String> owners = new ArrayList<String>(getRepositoryModel().owners); ListDataProvider<String> ownersDp = new ListDataProvider<String>(owners); DataView<String> ownersView = new DataView<String>("repositoryOwners", ownersDp) { private static final long serialVersionUID = 1L; int counter = 0; @Override public void populateItem(final Item<String> item) { String ownername = item.getModelObject(); UserModel ownerModel = app().users().getUserModel(ownername); if (ownerModel != null) { item.add(new LinkPanel("owner", null, ownerModel.getDisplayName(), UserPage.class, WicketUtils.newUsernameParameter(ownerModel.username)).setRenderBodyOnly(true)); } else { Label owner = new Label("owner", ownername); WicketUtils.setCssStyle(owner, "text-decoration: line-through;"); WicketUtils.setHtmlTooltip(owner, MessageFormat.format(getString("gb.failedToFindAccount"), ownername)); item.add(owner); } counter++; item.add(new Label("comma", ",").setVisible(counter < owners.size())); item.setRenderBodyOnly(true); } }; ownersView.setRenderBodyOnly(true); add(ownersView); add(WicketUtils.createTimestampLabel("repositoryLastChange", JGitUtils.getLastChange(r).when, getTimeZone(), getTimeUtils())); add(new Label("repositorySize", getRepositoryModel().size)); if (metricsTotal == null) { add(new Label("branchStats", "")); } else { add(new Label("branchStats", MessageFormat.format(getString("gb.branchStats"), metricsTotal.count, metricsTotal.tag, getTimeUtils().duration(metricsTotal.duration)))); } add(new BookmarkablePageLink<Void>("metrics", MetricsPage.class, WicketUtils.newRepositoryParameter(repositoryName))); add(new RepositoryUrlPanel("repositoryUrlPanel", false, user, model)); add(new LogPanel("commitsPanel", repositoryName, getRepositoryModel().HEAD, r, numberCommits, 0, getRepositoryModel().showRemoteBranches)); add(new TagsPanel("tagsPanel", repositoryName, r, numberRefs).hideIfEmpty()); add(new BranchesPanel("branchesPanel", getRepositoryModel(), r, numberRefs, false).hideIfEmpty()); if (app().settings().getBoolean(Keys.web.summaryShowReadme, false)) { // show a readme on the summary page MarkupDocument markupDoc = null; RevCommit head = JGitUtils.getCommit(r, null); if (head != null) { MarkupProcessor processor = new MarkupProcessor(app().settings(), app().xssFilter()); markupDoc = processor.getReadme(r, repositoryName, getBestCommitId(head)); } if (markupDoc == null || markupDoc.markup == null) { add(new Label("readme").setVisible(false)); } else { Fragment fragment = new Fragment("readme", MarkupSyntax.PLAIN.equals(markupDoc.syntax) ? "plaintextPanel" : "markdownPanel", SummaryPage.this); fragment.add(new Label("readmeFile", markupDoc.documentPath)); // Add the html to the page Component content = new Label("readmeContent", markupDoc.html).setEscapeModelStrings(false); fragment.add(content.setVisible(!StringUtils.isEmpty(markupDoc.html))); add(fragment); } } else { // global, no readme on summary page add(new Label("readme").setVisible(false)); } if (metrics == null || metrics.isEmpty()) { add(new Label("commitsChart").setVisible(false)); } else { Charts charts = createCharts(metrics); add(charts); } } @Override protected String getPageName() { return getString("gb.summary"); } private Charts createCharts(List<Metric> metrics) { Charts charts = new Flotr2Charts(); SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); String displayFormat = "MMM dd"; if (metrics.size() > 0 && metrics.get(0).name.length() == 7) { df = new SimpleDateFormat("yyyy-MM"); displayFormat = "yyyy MMM"; } df.setTimeZone(getTimeZone()); // build google charts Chart chart = charts.createLineChart("commitsChart", getString("gb.activity"), "day", getString("gb.commits")); chart.setDateFormat(displayFormat); for (Metric metric : metrics) { Date date; try { date = df.parse(metric.name); } catch (ParseException e) { logger.error("Unable to parse date: " + metric.name); return charts; } chart.addValue(date, (int) metric.count); if (metric.tag > 0) { chart.addHighlight(date, (int) metric.count); } } charts.addChart(chart); return charts; } }