Java tutorial
/* * The MIT License * * Copyright (c) 2004-2011, Sun Microsystems, Inc., Alan Harder * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package hudson.plugins.sidebar_link; import hudson.FilePath; import hudson.Plugin; import hudson.model.Descriptor.FormException; import hudson.model.Hudson; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import net.sf.json.JSONObject; import org.apache.commons.fileupload.FileItem; import org.kohsuke.stapler.StaplerRequest; import org.kohsuke.stapler.StaplerResponse; /** * Add links in the main page sidepanel. * @author Alan Harder */ public class SidebarLinkPlugin extends Plugin { private List<LinkAction> links = new ArrayList<LinkAction>(); // From older versions @Deprecated private transient String url, text, icon; @Override public void start() throws Exception { load(); Hudson.getInstance().getActions().addAll(links); } public List<LinkAction> getLinks() { return links; } @Override public void configure(StaplerRequest req, JSONObject formData) throws IOException, ServletException, FormException { Hudson.getInstance().getActions().removeAll(links); links.clear(); links.addAll(req.bindJSONToList(LinkAction.class, formData.get("links"))); save(); Hudson.getInstance().getActions().addAll(links); } private Object readResolve() { // Upgrade config from older version if (url != null && url.length() > 0) { links.add(new LinkAction(url, text, icon)); } return this; } /** * Receive file upload from startUpload.jelly. * File is placed in $JENKINS_HOME/userContent directory. */ public void doUpload(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException, InterruptedException { Hudson hudson = Hudson.getInstance(); hudson.checkPermission(Hudson.ADMINISTER); FileItem file = req.getFileItem("linkimage.file"); String error = null, filename = null; if (file == null || file.getName().isEmpty()) error = Messages.NoFile(); else { filename = "userContent/" // Sanitize given filename: + file.getName().replaceFirst(".*/", "").replaceAll("[^\\w.,;:()#@!=+-]", "_"); FilePath imageFile = hudson.getRootPath().child(filename); if (imageFile.exists()) error = Messages.DupName(); else { imageFile.copyFrom(file.getInputStream()); imageFile.chmod(0644); } } rsp.setContentType("text/html"); rsp.getWriter().println((error != null ? error : Messages.Uploaded("<tt>/" + filename + "</tt>")) + " <a href=\"javascript:history.back()\">" + Messages.Back() + "</a>"); } }