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.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.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.apache.wicket.util.resource.AbstractResourceStreamWriter; import org.apache.wicket.util.resource.IResourceStream; import org.eclipse.jgit.lib.FileMode; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.revwalk.RevCommit; import com.gitblit.models.PathModel; import com.gitblit.models.SubmoduleModel; import com.gitblit.models.UserModel; import com.gitblit.servlet.RawServlet; import com.gitblit.utils.ByteFormat; import com.gitblit.utils.GitBlitRequestUtils; 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.CompressedDownloadsPanel; import com.gitblit.wicket.panels.LinkPanel; import com.gitblit.wicket.panels.PathBreadcrumbsPanel; @CacheControl(LastModified.BOOT) public class TreePage extends RepositoryPage { private static final long serialVersionUID = 1L; public TreePage(PageParameters params) { super(params); final String path = WicketUtils.getPath(params); Repository r = getRepository(); RevCommit commit = getCommit(); List<PathModel> paths = JGitUtils.getFilesInPath2(r, path, commit); // tree page links add(new BookmarkablePageLink<Void>("historyLink", HistoryPage.class, WicketUtils.newPathParameter(repositoryName, objectId, path))); add(new CompressedDownloadsPanel("compressedLinks", GitBlitRequestUtils.getRelativePathPrefixToContextRoot(), repositoryName, objectId, path)); add(new CommitHeaderPanel("commitHeader", repositoryName, commit)); // breadcrumbs add(new PathBreadcrumbsPanel("breadcrumbs", repositoryName, path, objectId)); if (path != null && path.trim().length() > 0) { // add .. parent path entry String parentPath = null; if (path.lastIndexOf('/') > -1) { parentPath = path.substring(0, path.lastIndexOf('/')); } PathModel model = new PathModel("..", parentPath, null, 0, FileMode.TREE.getBits(), null, objectId); model.isParentPath = true; paths.add(0, model); } final String id = getBestCommitId(commit); final ByteFormat byteFormat = new ByteFormat(); final String baseUrl = WicketUtils.getGitblitURL(getRequest()); // changed paths list ListDataProvider<PathModel> pathsDp = new ListDataProvider<PathModel>(paths); DataView<PathModel> pathsView = new DataView<PathModel>("changedPath", pathsDp) { private static final long serialVersionUID = 1L; int counter; @Override public void populateItem(final Item<PathModel> item) { final PathModel entry = item.getModelObject(); item.add(new Label("pathPermissions", JGitUtils.getPermissionsFromMode(entry.mode))); item.add(WicketUtils.setHtmlTooltip(new Label("filestore", ""), getString("gb.filestore")) .setVisible(entry.isFilestoreItem())); if (entry.isParentPath) { // parent .. path item.add(WicketUtils.newBlankImage("pathIcon")); item.add(new Label("pathSize", "")); item.add(new LinkPanel("pathName", null, entry.name, TreePage.class, WicketUtils.newPathParameter(repositoryName, id, entry.path))); item.add(new Label("pathLinks", "")); } else { if (entry.isTree()) { // folder/tree link item.add(WicketUtils.newImage("pathIcon", "folder_16x16.png")); item.add(new Label("pathSize", "")); item.add(new LinkPanel("pathName", "list", entry.name, TreePage.class, WicketUtils.newPathParameter(repositoryName, id, entry.path))); // links Fragment links = new Fragment("pathLinks", "treeLinks", TreePage.this); links.add(new BookmarkablePageLink<Void>("tree", TreePage.class, WicketUtils.newPathParameter(repositoryName, id, entry.path))); links.add(new BookmarkablePageLink<Void>("history", HistoryPage.class, WicketUtils.newPathParameter(repositoryName, id, entry.path))); links.add(new CompressedDownloadsPanel("compressedLinks", baseUrl, repositoryName, objectId, entry.path)); item.add(links); } else if (entry.isSubmodule()) { // submodule String submoduleId = entry.objectId; String submodulePath; boolean hasSubmodule = false; SubmoduleModel submodule = getSubmodule(entry.path); submodulePath = submodule.gitblitPath; hasSubmodule = submodule.hasSubmodule; item.add(WicketUtils.newImage("pathIcon", "git-orange-16x16.png")); item.add(new Label("pathSize", "")); item.add(new LinkPanel("pathName", "list", entry.name + " @ " + getShortObjectId(submoduleId), TreePage.class, WicketUtils.newPathParameter(submodulePath, submoduleId, "")) .setEnabled(hasSubmodule)); Fragment links = new Fragment("pathLinks", "submoduleLinks", TreePage.this); links.add(new BookmarkablePageLink<Void>("view", SummaryPage.class, WicketUtils.newRepositoryParameter(submodulePath)).setEnabled(hasSubmodule)); links.add(new BookmarkablePageLink<Void>("tree", TreePage.class, WicketUtils.newPathParameter(submodulePath, submoduleId, "")) .setEnabled(hasSubmodule)); links.add(new BookmarkablePageLink<Void>("history", HistoryPage.class, WicketUtils.newPathParameter(repositoryName, id, entry.path))); links.add(new CompressedDownloadsPanel("compressedLinks", baseUrl, submodulePath, submoduleId, "").setEnabled(hasSubmodule)); item.add(links); } else { // blob link String displayPath = entry.name; String path = entry.path; if (entry.isSymlink()) { path = JGitUtils.getStringContent(getRepository(), getCommit().getTree(), path); displayPath = entry.name + " -> " + path; } item.add(WicketUtils.getFileImage("pathIcon", entry.name)); item.add(new Label("pathSize", byteFormat.format(entry.size))); // links Fragment links = new Fragment("pathLinks", "blobLinks", TreePage.this); if (entry.isFilestoreItem()) { item.add(new LinkPanel("pathName", "list", displayPath, 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); } })); links.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); } }); links.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 LinkPanel("pathName", "list", displayPath, BlobPage.class, WicketUtils.newPathParameter(repositoryName, id, path))); links.add(new BookmarkablePageLink<Void>("view", BlobPage.class, WicketUtils.newPathParameter(repositoryName, id, path))); String rawUrl = RawServlet.asLink(getContextUrl(), repositoryName, id, path); links.add(new ExternalLink("raw", rawUrl)); } links.add(new BookmarkablePageLink<Void>("blame", BlamePage.class, WicketUtils.newPathParameter(repositoryName, id, path))); links.add(new BookmarkablePageLink<Void>("history", HistoryPage.class, WicketUtils.newPathParameter(repositoryName, id, path))); item.add(links); } } WicketUtils.setAlternatingBackground(item, counter); counter++; } }; add(pathsView); } @Override protected String getPageName() { return getString("gb.tree"); } @Override protected boolean isCommitPage() { return true; } }