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.io.OutputStream; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import org.apache.wicket.request.handler.resource.ResourceStreamRequestHandler; 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.link.ExternalLink; import org.apache.wicket.markup.html.link.Link; 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.apache.wicket.util.resource.AbstractResourceStreamWriter; import org.apache.wicket.util.resource.IResourceStream; import org.eclipse.jgit.diff.DiffEntry.ChangeType; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.revwalk.RevCommit; import com.gitblit.Constants; import com.gitblit.models.GitNote; import com.gitblit.models.PathModel.PathChangeModel; import com.gitblit.models.SubmoduleModel; import com.gitblit.models.UserModel; import com.gitblit.servlet.RawServlet; import com.gitblit.utils.JGitUtils; import com.gitblit.wicket.CacheControl; import com.gitblit.wicket.GitBlitWebSession; import com.gitblit.wicket.CacheControl.LastModified; import com.gitblit.wicket.WicketUtils; import com.gitblit.wicket.panels.CommitHeaderPanel; import com.gitblit.wicket.panels.CommitLegendPanel; import com.gitblit.wicket.panels.CompressedDownloadsPanel; import com.gitblit.wicket.panels.DiffStatPanel; import com.gitblit.wicket.panels.AvatarImage; import com.gitblit.wicket.panels.LinkPanel; import com.gitblit.wicket.panels.RefsPanel; @CacheControl(LastModified.BOOT) public class CommitPage extends RepositoryPage { private static final long serialVersionUID = 1L; public CommitPage(PageParameters params) { super(params); Repository r = getRepository(); RevCommit c = getCommit(); List<String> parents = new ArrayList<String>(); if (c.getParentCount() > 0) { for (RevCommit parent : c.getParents()) { parents.add(parent.name()); } } // commit page links if (parents.size() == 0) { add(new Label("parentLink", "none")); add(new Label("commitdiffLink", getString("gb.commitdiff"))); } else { add(new LinkPanel("parentLink", null, getShortObjectId(parents.get(0)), CommitPage.class, newCommitParameter(parents.get(0)))); add(new LinkPanel("commitdiffLink", null, new StringResourceModel("gb.commitdiff", this, null), CommitDiffPage.class, WicketUtils.newObjectParameter(repositoryName, objectId))); } add(new BookmarkablePageLink<Void>("patchLink", PatchPage.class, WicketUtils.newObjectParameter(repositoryName, objectId))); add(new CommitHeaderPanel("commitHeader", repositoryName, c)); addRefs(r, c); // author add(createPersonPanel("commitAuthor", c.getAuthorIdent(), Constants.SearchType.AUTHOR)); add(WicketUtils.createTimestampLabel("commitAuthorDate", c.getAuthorIdent().getWhen(), getTimeZone(), getTimeUtils())); // committer add(createPersonPanel("commitCommitter", c.getCommitterIdent(), Constants.SearchType.COMMITTER)); add(WicketUtils.createTimestampLabel("commitCommitterDate", c.getCommitterIdent().getWhen(), getTimeZone(), getTimeUtils())); add(new Label("commitId", c.getName())); add(new LinkPanel("commitTree", "list", c.getTree().getName(), TreePage.class, newCommitParameter())); add(new BookmarkablePageLink<Void>("treeLink", TreePage.class, newCommitParameter())); final String baseUrl = WicketUtils.getGitblitURL(getRequest()); add(new CompressedDownloadsPanel("compressedLinks", baseUrl, repositoryName, objectId, null)); // Parent Commits ListDataProvider<String> parentsDp = new ListDataProvider<String>(parents); DataView<String> parentsView = new DataView<String>("commitParents", parentsDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<String> item) { String entry = item.getModelObject(); item.add(new LinkPanel("commitParent", "list", entry, CommitPage.class, newCommitParameter(entry))); item.add(new BookmarkablePageLink<Void>("view", CommitPage.class, newCommitParameter(entry))); item.add(new BookmarkablePageLink<Void>("diff", CommitDiffPage.class, newCommitParameter(entry))); } }; add(parentsView); addFullText("fullMessage", c.getFullMessage()); // git notes List<GitNote> notes = JGitUtils.getNotesOnCommit(r, c); ListDataProvider<GitNote> notesDp = new ListDataProvider<GitNote>(notes); DataView<GitNote> notesView = new DataView<GitNote>("notes", notesDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<GitNote> item) { GitNote entry = item.getModelObject(); item.add(new RefsPanel("refName", repositoryName, Arrays.asList(entry.notesRef))); item.add(createPersonPanel("authorName", entry.notesRef.getAuthorIdent(), Constants.SearchType.AUTHOR)); item.add(new AvatarImage("noteAuthorAvatar", entry.notesRef.getAuthorIdent())); item.add(WicketUtils.createTimestampLabel("authorDate", entry.notesRef.getAuthorIdent().getWhen(), getTimeZone(), getTimeUtils())); item.add(new Label("noteContent", bugtraqProcessor().processPlainCommitMessage(getRepository(), repositoryName, entry.content)).setEscapeModelStrings(false)); } }; add(notesView.setVisible(notes.size() > 0)); // changed paths list List<PathChangeModel> paths = JGitUtils.getFilesInCommit(r, c); // add commit diffstat int insertions = 0; int deletions = 0; for (PathChangeModel pcm : paths) { insertions += pcm.insertions; deletions += pcm.deletions; } add(new DiffStatPanel("diffStat", insertions, deletions)); add(new CommitLegendPanel("commitLegend", paths)); ListDataProvider<PathChangeModel> pathsDp = new ListDataProvider<PathChangeModel>(paths); DataView<PathChangeModel> pathsView = new DataView<PathChangeModel>("changedPath", pathsDp) { private static final long serialVersionUID = 1L; int counter; @Override public void populateItem(final Item<PathChangeModel> item) { final PathChangeModel entry = item.getModelObject(); Label changeType = new Label("changeType", ""); WicketUtils.setChangeTypeCssClass(changeType, entry.changeType); setChangeTypeTooltip(changeType, entry.changeType); item.add(changeType); item.add(new DiffStatPanel("diffStat", entry.insertions, entry.deletions, true)); item.add(WicketUtils.setHtmlTooltip(new Label("filestore", ""), getString("gb.filestore")) .setVisible(entry.isFilestoreItem())); boolean hasSubmodule = false; String submodulePath = null; if (entry.isTree()) { // tree item.add(new LinkPanel("pathName", null, entry.path, TreePage.class, WicketUtils.newPathParameter(repositoryName, entry.commitId, entry.path))); } else if (entry.isSubmodule()) { // submodule String submoduleId = entry.objectId; SubmoduleModel submodule = getSubmodule(entry.path); submodulePath = submodule.gitblitPath; hasSubmodule = submodule.hasSubmodule; item.add(new LinkPanel("pathName", "list", entry.path + " @ " + getShortObjectId(submoduleId), TreePage.class, WicketUtils.newPathParameter(submodulePath, submoduleId, "")) .setEnabled(hasSubmodule)); } else { // blob String displayPath = entry.path; String path = entry.path; if (entry.isSymlink()) { path = JGitUtils.getStringContent(getRepository(), getCommit().getTree(), path); displayPath = entry.path + " -> " + path; } if (entry.isFilestoreItem()) { item.add(new LinkPanel("pathName", "list", entry.path, new Link<Object>("link", null) { private static final long serialVersionUID = 1L; @Override public void onClick() { IResourceStream resourceStream = new AbstractResourceStreamWriter() { private static final long serialVersionUID = 1L; @Override public void write(OutputStream output) { UserModel user = GitBlitWebSession.get().getUser(); user = user == null ? UserModel.ANONYMOUS : user; app().filestore().downloadBlob(entry.getFilestoreOid(), user, getRepositoryModel(), output); } }; ResourceStreamRequestHandler resourceStreamRequestHandler = new ResourceStreamRequestHandler( resourceStream, entry.path); getRequestCycle().scheduleRequestHandlerAfterCurrent(resourceStreamRequestHandler); } })); } else { item.add(new LinkPanel("pathName", "list", displayPath, BlobPage.class, WicketUtils.newPathParameter(repositoryName, entry.commitId, path))); } } // quick links if (entry.isSubmodule()) { item.add(new ExternalLink("raw", "").setEnabled(false)); // submodule item.add(new BookmarkablePageLink<Void>("diff", BlobDiffPage.class, WicketUtils.newPathParameter(repositoryName, entry.commitId, entry.path)) .setEnabled(!entry.changeType.equals(ChangeType.ADD))); item.add(new BookmarkablePageLink<Void>("view", CommitPage.class, WicketUtils.newObjectParameter(submodulePath, entry.objectId)) .setEnabled(hasSubmodule)); item.add(new ExternalLink("blame", "").setEnabled(false)); item.add(new BookmarkablePageLink<Void>("history", HistoryPage.class, WicketUtils.newPathParameter(repositoryName, entry.commitId, entry.path)) .setEnabled(!entry.changeType.equals(ChangeType.ADD))); } else { // tree or blob item.add(new BookmarkablePageLink<Void>("diff", BlobDiffPage.class, WicketUtils.newPathParameter(repositoryName, entry.commitId, entry.path)) .setEnabled(!entry.changeType.equals(ChangeType.ADD) && !entry.changeType.equals(ChangeType.DELETE))); if (entry.isFilestoreItem()) { item.add(new Link<Object>("view", null) { private static final long serialVersionUID = 1L; @Override public void onClick() { IResourceStream resourceStream = new AbstractResourceStreamWriter() { private static final long serialVersionUID = 1L; @Override public void write(OutputStream output) { UserModel user = GitBlitWebSession.get().getUser(); user = user == null ? UserModel.ANONYMOUS : user; app().filestore().downloadBlob(entry.getFilestoreOid(), user, getRepositoryModel(), output); } }; ResourceStreamRequestHandler resourceStreamRequestHandler = new ResourceStreamRequestHandler( resourceStream, entry.path); getRequestCycle().scheduleRequestHandlerAfterCurrent(resourceStreamRequestHandler); } }); item.add(new Link<Object>("raw", null) { private static final long serialVersionUID = 1L; @Override public void onClick() { IResourceStream resourceStream = new AbstractResourceStreamWriter() { private static final long serialVersionUID = 1L; @Override public void write(OutputStream output) { UserModel user = GitBlitWebSession.get().getUser(); user = user == null ? UserModel.ANONYMOUS : user; app().filestore().downloadBlob(entry.getFilestoreOid(), user, getRepositoryModel(), output); } }; ResourceStreamRequestHandler resourceStreamRequestHandler = new ResourceStreamRequestHandler( resourceStream, entry.path); getRequestCycle().scheduleRequestHandlerAfterCurrent(resourceStreamRequestHandler); } }); } else { item.add(new BookmarkablePageLink<Void>("view", BlobPage.class, WicketUtils.newPathParameter(repositoryName, entry.commitId, entry.path)) .setEnabled(!entry.changeType.equals(ChangeType.DELETE))); String rawUrl = RawServlet.asLink(getContextUrl(), repositoryName, entry.commitId, entry.path); item.add(new ExternalLink("raw", rawUrl) .setEnabled(!entry.changeType.equals(ChangeType.DELETE))); } item.add(new BookmarkablePageLink<Void>("blame", BlamePage.class, WicketUtils.newPathParameter(repositoryName, entry.commitId, entry.path)) .setEnabled(!entry.changeType.equals(ChangeType.ADD) && !entry.changeType.equals(ChangeType.DELETE))); item.add(new BookmarkablePageLink<Void>("history", HistoryPage.class, WicketUtils.newPathParameter(repositoryName, entry.commitId, entry.path)) .setEnabled(!entry.changeType.equals(ChangeType.ADD))); } WicketUtils.setAlternatingBackground(item, counter); counter++; } }; add(pathsView); } @Override protected String getPageName() { return getString("gb.commit"); } @Override protected boolean isCommitPage() { return true; } @Override protected Class<? extends BasePage> getRepoNavPageClass() { return LogPage.class; } }