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.panels; 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.List; import java.util.TimeZone; import org.apache.wicket.markup.html.basic.Label; 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.apache.wicket.model.StringResourceModel; import org.eclipse.jgit.lib.Repository; import com.gitblit.Constants; import com.gitblit.GitBlit; import com.gitblit.Keys; import com.gitblit.models.DailyLogEntry; import com.gitblit.models.PushLogEntry; import com.gitblit.models.RepositoryCommit; import com.gitblit.models.RepositoryModel; import com.gitblit.utils.PushLogUtils; import com.gitblit.utils.StringUtils; import com.gitblit.utils.TimeUtils; import com.gitblit.wicket.WicketUtils; import com.gitblit.wicket.pages.CommitPage; import com.gitblit.wicket.pages.ComparePage; import com.gitblit.wicket.pages.PushesPage; import com.gitblit.wicket.pages.SummaryPage; import com.gitblit.wicket.pages.TagPage; import com.gitblit.wicket.pages.TreePage; import com.gitblit.wicket.pages.UserPage; public class PushesPanel extends BasePanel { private static final long serialVersionUID = 1L; private final boolean hasPushes; private boolean hasMore; public PushesPanel(String wicketId, final RepositoryModel model, Repository r, int limit, int pageOffset, boolean showRepo) { super(wicketId); boolean pageResults = limit <= 0; int pushesPerPage = GitBlit.getInteger(Keys.web.pushesPerPage, 10); if (pushesPerPage <= 1) { pushesPerPage = 10; } List<PushLogEntry> pushes; if (pageResults) { pushes = PushLogUtils.getPushLogByRef(model.name, r, pageOffset * pushesPerPage, pushesPerPage); } else { pushes = PushLogUtils.getPushLogByRef(model.name, r, limit); } // inaccurate way to determine if there are more commits. // works unless commits.size() represents the exact end. hasMore = pushes.size() >= pushesPerPage; hasPushes = pushes.size() > 0; setup(pushes, showRepo); // determine to show pager, more, or neither if (limit <= 0) { // no display limit add(new Label("morePushes").setVisible(false)); } else { if (pageResults) { // paging add(new Label("morePushes").setVisible(false)); } else { // more if (pushes.size() == limit) { // show more add(new LinkPanel("morePushes", "link", new StringResourceModel("gb.morePushes", this, null), PushesPage.class, WicketUtils.newRepositoryParameter(model.name))); } else { // no more add(new Label("morePushes").setVisible(false)); } } } } public PushesPanel(String wicketId, List<PushLogEntry> pushes) { super(wicketId); hasPushes = pushes.size() > 0; setup(pushes, true); add(new Label("morePushes").setVisible(false)); } protected void setup(List<PushLogEntry> pushes, final boolean showRepo) { final int hashLen = GitBlit.getInteger(Keys.web.shortCommitIdLength, 6); String dateFormat = GitBlit.getString(Keys.web.datestampLongFormat, "EEEE, MMMM d, yyyy"); final TimeZone timezone = getTimeZone(); final DateFormat df = new SimpleDateFormat(dateFormat); df.setTimeZone(timezone); final Calendar cal = Calendar.getInstance(timezone); ListDataProvider<PushLogEntry> dp = new ListDataProvider<PushLogEntry>(pushes); DataView<PushLogEntry> pushView = new DataView<PushLogEntry>("push", dp) { private static final long serialVersionUID = 1L; public void populateItem(final Item<PushLogEntry> pushItem) { final PushLogEntry push = pushItem.getModelObject(); String fullRefName = push.getChangedRefs().get(0); String shortRefName = fullRefName; boolean isTag = false; boolean isPull = false; if (shortRefName.startsWith(Constants.R_HEADS)) { shortRefName = shortRefName.substring(Constants.R_HEADS.length()); } else if (shortRefName.startsWith(Constants.R_TAGS)) { shortRefName = shortRefName.substring(Constants.R_TAGS.length()); isTag = true; } else if (shortRefName.startsWith(Constants.R_PULL)) { shortRefName = "#" + shortRefName.substring(Constants.R_PULL.length()); if (shortRefName.endsWith("/head")) { // strip pull request head from name shortRefName = shortRefName.substring(0, shortRefName.length() - "/head".length()); } isPull = true; } boolean isDigest = push instanceof DailyLogEntry; String fuzzydate; TimeUtils tu = getTimeUtils(); Date pushDate = push.date; if (TimeUtils.isToday(pushDate, timezone)) { fuzzydate = tu.today(); } else if (TimeUtils.isYesterday(pushDate, timezone)) { fuzzydate = tu.yesterday(); } else { // calculate a fuzzy time ago date cal.setTime(pushDate); cal.set(Calendar.HOUR_OF_DAY, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); pushDate = cal.getTime(); fuzzydate = getTimeUtils().timeAgo(pushDate); } pushItem.add(new Label("whenPushed", fuzzydate + ", " + df.format(pushDate))); Label pushIcon = new Label("pushIcon"); if (showRepo) { // if we are showing the repo, we are showing multiple // repos. use the repository hash color to differentiate // the icon. String color = StringUtils.getColor(StringUtils.stripDotGit(push.repository)); WicketUtils.setCssStyle(pushIcon, "color: " + color); } if (isTag) { WicketUtils.setCssClass(pushIcon, "iconic-tag"); } else if (isPull) { WicketUtils.setCssClass(pushIcon, "iconic-share"); } else if (isDigest) { WicketUtils.setCssClass(pushIcon, "iconic-loop"); } else { WicketUtils.setCssClass(pushIcon, "iconic-upload"); } pushItem.add(pushIcon); if (isDigest && !isTag) { pushItem.add(new Label("whoPushed").setVisible(false)); } else { if (push.user.username.equals(push.user.emailAddress) && push.user.emailAddress.indexOf('@') > -1) { // username is an email address - 1.2.1 push log bug pushItem.add(new Label("whoPushed", push.user.getDisplayName())); } else { // link to user account page pushItem.add(new LinkPanel("whoPushed", null, push.user.getDisplayName(), UserPage.class, WicketUtils.newUsernameParameter(push.user.username))); } } String preposition = "gb.of"; boolean isDelete = false; boolean isRewind = false; String what; String by = null; switch (push.getChangeType(fullRefName)) { case CREATE: if (isTag) { // new tag if (isDigest) { what = getString("gb.createdNewTag"); preposition = "gb.in"; } else { what = getString("gb.pushedNewTag"); preposition = "gb.to"; } } else if (isPull) { // merged pull request what = getString("gb.mergedPullRequest"); preposition = "gb.in"; } else { // new branch if (isDigest) { what = getString("gb.createdNewBranch"); preposition = "gb.in"; } else { what = getString("gb.pushedNewBranch"); preposition = "gb.to"; } } break; case DELETE: isDelete = true; if (isTag) { what = getString("gb.deletedTag"); } if (isPull) { what = getString("gb.deletedTag"); } else { what = getString("gb.deletedBranch"); } preposition = "gb.from"; break; case UPDATE_NONFASTFORWARD: isRewind = true; default: if (isDigest) { what = MessageFormat.format( push.getCommitCount() > 1 ? getString("gb.commitsTo") : getString("gb.oneCommitTo"), push.getCommitCount()); } else { what = MessageFormat.format(push.getCommitCount() > 1 ? getString("gb.pushedNCommitsTo") : getString("gb.pushedOneCommitTo"), push.getCommitCount()); } if (push.getAuthorCount() == 1) { by = MessageFormat.format(getString("gb.byOneAuthor"), push.getAuthorIdent().getName()); } else { by = MessageFormat.format(getString("gb.byNAuthors"), push.getAuthorCount()); } break; } pushItem.add(new Label("whatPushed", what)); pushItem.add(new Label("byAuthors", by).setVisible(!StringUtils.isEmpty(by))); pushItem.add(new Label("refRewind", getString("gb.rewind")).setVisible(isRewind)); if (isDelete) { // can't link to deleted ref pushItem.add(new Label("refPushed", shortRefName)); } else if (isTag) { // link to tag pushItem.add(new LinkPanel("refPushed", null, shortRefName, TagPage.class, WicketUtils.newObjectParameter(push.repository, fullRefName))); } else if (isPull) { // link to pull request pushItem.add(new LinkPanel("refPushed", null, shortRefName, TagPage.class, WicketUtils.newObjectParameter(push.repository, fullRefName))); } else { // link to tree pushItem.add(new LinkPanel("refPushed", null, shortRefName, TreePage.class, WicketUtils.newObjectParameter(push.repository, fullRefName))); } if (showRepo) { // to/from/etc pushItem.add(new Label("repoPreposition", getString(preposition))); String repoName = StringUtils.stripDotGit(push.repository); pushItem.add(new LinkPanel("repoPushed", null, repoName, SummaryPage.class, WicketUtils.newRepositoryParameter(push.repository))); } else { // do not display repository name if we are viewing the push // log of a repository. pushItem.add(new Label("repoPreposition").setVisible(false)); pushItem.add(new Label("repoPushed").setVisible(false)); } int maxCommitCount = 5; List<RepositoryCommit> commits = push.getCommits(); if (commits.size() > maxCommitCount) { commits = new ArrayList<RepositoryCommit>(commits.subList(0, maxCommitCount)); } // compare link String compareLinkText = null; if ((push.getCommitCount() <= maxCommitCount) && (push.getCommitCount() > 1)) { compareLinkText = MessageFormat.format(getString("gb.viewComparison"), commits.size()); } else if (push.getCommitCount() > maxCommitCount) { int diff = push.getCommitCount() - maxCommitCount; compareLinkText = MessageFormat .format(diff > 1 ? getString("gb.nMoreCommits") : getString("gb.oneMoreCommit"), diff); } if (StringUtils.isEmpty(compareLinkText)) { pushItem.add(new Label("compareLink").setVisible(false)); } else { String endRangeId = push.getNewId(fullRefName); String startRangeId = push.getOldId(fullRefName); pushItem.add(new LinkPanel("compareLink", null, compareLinkText, ComparePage.class, WicketUtils.newRangeParameter(push.repository, startRangeId, endRangeId))); } final boolean showSwatch = showRepo && GitBlit.getBoolean(Keys.web.repositoryListSwatches, true); ListDataProvider<RepositoryCommit> cdp = new ListDataProvider<RepositoryCommit>(commits); DataView<RepositoryCommit> commitsView = new DataView<RepositoryCommit>("commit", cdp) { private static final long serialVersionUID = 1L; public void populateItem(final Item<RepositoryCommit> commitItem) { final RepositoryCommit commit = commitItem.getModelObject(); // author gravatar commitItem.add(new GravatarImage("commitAuthor", commit.getAuthorIdent().getName(), commit.getAuthorIdent().getEmailAddress(), null, 16, false, false)); // merge icon if (commit.getParentCount() > 1) { commitItem.add(WicketUtils.newImage("commitIcon", "commit_merge_16x16.png")); } else { commitItem.add(WicketUtils.newBlankImage("commitIcon")); } // short message String shortMessage = commit.getShortMessage(); String trimmedMessage = shortMessage; if (commit.getRefs() != null && commit.getRefs().size() > 0) { trimmedMessage = StringUtils.trimString(shortMessage, Constants.LEN_SHORTLOG_REFS); } else { trimmedMessage = StringUtils.trimString(shortMessage, Constants.LEN_SHORTLOG); } LinkPanel shortlog = new LinkPanel("commitShortMessage", "list", trimmedMessage, CommitPage.class, WicketUtils.newObjectParameter(push.repository, commit.getName())); if (!shortMessage.equals(trimmedMessage)) { WicketUtils.setHtmlTooltip(shortlog, shortMessage); } commitItem.add(shortlog); // commit hash link LinkPanel commitHash = new LinkPanel("hashLink", null, commit.getName().substring(0, hashLen), CommitPage.class, WicketUtils.newObjectParameter(push.repository, commit.getName())); WicketUtils.setCssClass(commitHash, "shortsha1"); WicketUtils.setHtmlTooltip(commitHash, commit.getName()); commitItem.add(commitHash); if (showSwatch) { // set repository color String color = StringUtils.getColor(StringUtils.stripDotGit(push.repository)); WicketUtils.setCssStyle(commitItem, MessageFormat.format("border-left: 2px solid {0};", color)); } } }; pushItem.add(commitsView); } }; add(pushView); } public boolean hasMore() { return hasMore; } public boolean hideIfEmpty() { setVisible(hasPushes); return hasPushes; } }