/*******************************************************************************
*
* Copyright (c) 2004-2012 Oracle Corporation.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*
* Kohsuke Kawaguchi, Winston Prakash, Tom Huybrechts
*
*******************************************************************************/
package hudson.model;
import hudson.DescriptorExtensionList;
import hudson.Extension;
import hudson.ExtensionPoint;
import hudson.Util;
import hudson.model.Descriptor.FormException;
import static hudson.model.Hudson.checkGoodName;
import hudson.model.Node.Mode;
import hudson.scm.ChangeLogSet.Entry;
import hudson.search.CollectionSearchIndex;
import hudson.search.SearchIndexBuilder;
import hudson.security.*;
import hudson.util.AbstractRunList;
import hudson.util.BuildHistoryList;
import hudson.util.DescriptorList;
import hudson.util.RunList;
import hudson.widgets.Widget;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import org.eclipse.hudson.security.HudsonSecurityEntitiesHolder;
import org.eclipse.hudson.security.team.Team;
import org.eclipse.hudson.security.team.TeamManager;
import org.eclipse.hudson.security.team.TeamManager.TeamNotFoundException;
import org.kohsuke.stapler.StaplerRequest;
import org.kohsuke.stapler.StaplerResponse;
import org.kohsuke.stapler.export.Exported;
import org.kohsuke.stapler.export.ExportedBean;
/**
* Encapsulates the rendering of the list of {@link TopLevelItem}s that
* {@link Hudson} owns.
*
* <p> This is an extension point in Hudson, allowing different kind of
* rendering to be added as plugins.
*
* <h2>Note for implementors</h2> <ul> <li> {@link View} subtypes need the
* <tt>newViewDetail.jelly</tt> page, which is included in the "new view" page.
* This page should have some description of what the view is about. </ul>
*
* @author Kohsuke Kawaguchi
* @see ViewDescriptor
* @see ViewGroup
*/
@ExportedBean
public abstract class View extends AbstractModelObject implements AccessControlled, Describable<View>, ExtensionPoint {
/**
* Container of this view. Set right after the construction and never change
* thereafter.
*/
protected /*final*/ ViewGroup owner;
/**
* Name of this view.
*/
protected String name;
/**
* Message displayed in the view page.
*/
protected String description;
/**
* If true, only show relevant executors
*/
protected boolean filterExecutors;
/**
* If true, only show relevant queue items
*/
protected boolean filterQueue;
protected transient List<Action> transientActions;
protected View(String name) {
this.name = name;
}
protected View(String name, ViewGroup owner) {
this.name = name;
this.owner = owner;
}
/**
* Gets all the items in this collection in a read-only view.
*/
@Exported(name = "jobs")
public abstract Collection<TopLevelItem> getItems();
/**
* Gets the {@link TopLevelItem} of the given name.
*/
public TopLevelItem getItem(String name) {
return Hudson.getInstance().getItem(name);
}
/**
* Alias for {@link #getItem(String)}. This is the one used in the URL
* binding.
*/
public final TopLevelItem getJob(String name) {
return getItem(name);
}
/**
* Checks if the job is in this collection.
*/
public abstract boolean contains(TopLevelItem item);
/**
* Gets the name of all this collection.
*
* @see #rename(String)
*/
@Exported(visibility = 2, name = "name")
public String getViewName() {
return name;
}
/**
* Renames this view.
*/
public void rename(String newName) throws Failure, FormException {
if (name.equals(newName)) {
return; // noop
}
checkGoodName(newName);
if (owner.getView(newName) != null) {
throw new FormException(Messages.Hudson_ViewAlreadyExists(newName), "name");
}
String oldName = name;
name = newName;
owner.onViewRenamed(this, oldName, newName);
}
/**
* Gets the {@link ViewGroup} that this view belongs to.
*/
public ViewGroup getOwner() {
return owner;
}
/**
* Message displayed in the top page. Can be null. Includes HTML.
*/
@Exported
public String getDescription() {
return description;
}
public ViewDescriptor getDescriptor() {
return (ViewDescriptor) Hudson.getInstance().getDescriptorOrDie(getClass());
}
public String getDisplayName() {
return getViewName();
}
/**
* By default, return true to render the "Edit view" link on the page. This
* method is really just for the default "All" view to hide the edit link so
* that the default Hudson top page remains the same as before 1.316.
*
* @since 1.316
*/
public boolean isEditable() {
return true;
}
/**
* If true, only show relevant executors
*/
public boolean isFilterExecutors() {
return filterExecutors;
}
/**
* If true, only show relevant queue items
*/
public boolean isFilterQueue() {
return filterQueue;
}
/**
* Gets the {@link Widget}s registered on this object.
*
* <p> For now, this just returns the widgets registered to Hudson.
*/
public List<Widget> getWidgets() {
return Collections.unmodifiableList(Hudson.getInstance().getWidgets());
}
/**
* If true, this is a view that renders the top page of Hudson.
*/
public boolean isDefault() {
return Hudson.getInstance().getPrimaryView() == this;
}
public List<Computer> getComputers() {
Computer[] computers = Hudson.getInstance().getComputers();
if (!isFilterExecutors()) {
return Arrays.asList(computers);
}
List<Computer> result = new ArrayList<Computer>();
boolean roam = false;
HashSet<Label> labels = new HashSet<Label>();
for (Item item : getItems()) {
if (item instanceof AbstractProject<?, ?>) {
AbstractProject<?, ?> p = (AbstractProject<?, ?>) item;
Label l = p.getAssignedLabel();
if (l != null) {
labels.add(l);
} else {
roam = true;
}
}
}
for (Computer c : computers) {
Node n = c.getNode();
if (n != null) {
if (roam && n.getMode() == Mode.NORMAL || !Collections.disjoint(n.getAssignedLabels(), labels)) {
result.add(c);
}
}
}
return result;
}
public List<Queue.Item> getQueueItems() {
if (!isFilterQueue()) {
return Arrays.asList(Hudson.getInstance().getQueue().getItems());
}
Collection<TopLevelItem> items = getItems();
List<Queue.Item> result = new ArrayList<Queue.Item>();
for (Queue.Item qi : Hudson.getInstance().getQueue().getItems()) {
if (items.contains(qi.task)) {
result.add(qi);
}
}
return result;
}
/**
* Returns the path relative to the context root.
*
* Doesn't start with '/' but ends with '/' (except returns empty string
* when this is the default view).
*/
public String getUrl() {
return isDefault() ? "" : getViewUrl();
}
/**
* Same as {@link #getUrl()} except this returns a view/{name} path even for
* the default view.
*/
public String getViewUrl() {
return (owner != null ? owner.getUrl() : "") + "view/" + Util.rawEncode(getViewName()) + '/';
}
public String getSearchUrl() {
return getUrl();
}
/**
* Returns the transient {@link Action}s associated with the top page.
*
* <p> If views don't want to show top-level actions, this method can be
* overridden to return different objects.
*
* @see Hudson#getActions()
*/
public List<Action> getActions() {
List<Action> result = new ArrayList<Action>();
result.addAll(Hudson.getInstance().getActions());
synchronized (this) {
if (transientActions == null) {
transientActions = TransientViewActionFactory.createAllFor(this);
}
result.addAll(transientActions);
}
return result;
}
public Object getDynamic(String token) {
for (Action a : getActions()) {
if (a.getUrlName().equals(token)) {
return a;
}
}
return null;
}
/**
* Gets the absolute URL of this view.
*/
@Exported(visibility = 2, name = "url")
public String getAbsoluteUrl() {
return Hudson.getInstance().getRootUrl() + getUrl();
}
public Api getApi() {
return new Api(this);
}
/**
* Returns the page to redirect the user to, after the view is created.
*
* The returned string is appended to "/view/foobar/", so for example to
* direct the user to the top page of the view, return "", etc.
*/
public String getPostConstructLandingPage() {
return "configure";
}
/**
* Returns the {@link ACL} for this object.
*/
public ACL getACL() {
return HudsonSecurityEntitiesHolder.getHudsonSecurityManager().getAuthorizationStrategy().getACL(this);
}
public void checkPermission(Permission p) {
getACL().checkPermission(p);
}
public boolean hasPermission(Permission p) {
return getACL().hasPermission(p);
}
/**
* Called when a job name is changed or deleted.
*
* <p> If this view contains this job, it should update the view membership
* so that the renamed job will remain in the view, and the deleted job is
* removed.
*
* @param item The item whose name is being changed.
* @param oldName Old name of the item. Always non-null.
* @param newName New name of the item, if the item is renamed. Or null, if
* the item is removed.
*/
public abstract void onJobRenamed(Item item, String oldName, String newName);
@ExportedBean(defaultVisibility = 2)
public static final class UserInfo implements Comparable<UserInfo> {
private final User user;
/**
* When did this user made a last commit on any of our projects? Can be
* null.
*/
private Calendar lastChange;
/**
* Which project did this user commit? Can be null.
*/
private AbstractProject project;
UserInfo(User user, AbstractProject p, Calendar lastChange) {
this.user = user;
this.project = p;
this.lastChange = lastChange;
}
@Exported
public User getUser() {
return user;
}
@Exported
public Calendar getLastChange() {
return lastChange;
}
@Exported
public AbstractProject getProject() {
return project;
}
/**
* Returns a human-readable string representation of when this user was
* last active.
*/
public String getLastChangeTimeString() {
if (lastChange == null) {
return "N/A";
}
long duration = new GregorianCalendar().getTimeInMillis() - ordinal();
return Util.getTimeSpanString(duration);
}
public String getTimeSortKey() {
if (lastChange == null) {
return "-";
}
return Util.XS_DATETIME_FORMATTER.format(lastChange.getTime());
}
public int compareTo(UserInfo that) {
long rhs = that.ordinal();
long lhs = this.ordinal();
if (rhs > lhs) {
return 1;
}
if (rhs < lhs) {
return -1;
}
return 0;
}
private long ordinal() {
if (lastChange == null) {
return 0;
}
return lastChange.getTimeInMillis();
}
}
/**
* Does this {@link View} has any associated user information recorded?
*/
public final boolean hasPeople() {
return People.isApplicable(getItems());
}
/**
* Gets the users that show up in the changelog of this job collection.
*/
public final People getPeople() {
return new People(this);
}
@ExportedBean
public static final class People {
@Exported
public final List<UserInfo> users;
//TODO: review and check whether we can do it private
public final Object parent;
public People(Hudson parent) {
this.parent = parent;
// for Hudson, really load all users
Map<User, UserInfo> users = getUserInfo(parent.getItems());
User unknown = User.getUnknown();
for (User u : User.getAll()) {
if (u == unknown) {
continue; // skip the special 'unknown' user
}
if (!users.containsKey(u)) {
users.put(u, new UserInfo(u, null, null));
}
}
this.users = toList(users);
}
public People(View parent) {
this.parent = parent;
this.users = toList(getUserInfo(parent.getItems()));
}
public List<UserInfo> getUsers() {
return users;
}
public Object getParent() {
return parent;
}
private Map<User, UserInfo> getUserInfo(Collection<? extends Item> items) {
Map<User, UserInfo> users = new HashMap<User, UserInfo>();
for (Item item : items) {
for (Job job : item.getAllJobs()) {
if (job instanceof AbstractProject) {
AbstractProject<?, ?> p = (AbstractProject) job;
for (AbstractBuild<?, ?> build : p.getBuilds()) {
for (Entry entry : build.getChangeSet()) {
User user = entry.getAuthor();
UserInfo info = users.get(user);
if (info == null) {
users.put(user, new UserInfo(user, p, build.getTimestamp()));
} else if (info.getLastChange().before(build.getTimestamp())) {
info.project = p;
info.lastChange = build.getTimestamp();
}
}
}
}
}
}
return users;
}
private List<UserInfo> toList(Map<User, UserInfo> users) {
ArrayList<UserInfo> list = new ArrayList<UserInfo>();
list.addAll(users.values());
Collections.sort(list);
return Collections.unmodifiableList(list);
}
public Api getApi() {
return new Api(this);
}
public static boolean isApplicable(Collection<? extends Item> items) {
for (Item item : items) {
for (Job job : item.getAllJobs()) {
if (job instanceof AbstractProject) {
AbstractProject<?, ?> p = (AbstractProject) job;
for (AbstractBuild<?, ?> build : p.getBuilds()) {
for (Entry entry : build.getChangeSet()) {
User user = entry.getAuthor();
if (user != null) {
return true;
}
}
}
}
}
}
return false;
}
}
@Override
public SearchIndexBuilder makeSearchIndex() {
return super.makeSearchIndex()
.add(new CollectionSearchIndex() {// for jobs in the view
protected TopLevelItem get(String key) {
return getItem(key);
}
protected Collection<TopLevelItem> all() {
return getItems();
}
});
}
/**
* Accepts the new description.
*/
public synchronized void doSubmitDescription(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
checkPermission(CONFIGURE);
description = req.getParameter("description");
owner.save();
rsp.sendRedirect("."); // go to the top page
}
/**
* Accepts submission from the configuration page.
*
* Subtypes should override the {@link #submit(StaplerRequest)} method.
*/
public final synchronized void doConfigSubmit(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException, FormException {
checkPermission(CONFIGURE);
submit(req);
description = Util.nullify(req.getParameter("description"));
filterExecutors = req.getParameter("filterExecutors") != null;
filterQueue = req.getParameter("filterQueue") != null;
rename(req.getParameter("name"));
owner.save();
rsp.sendRedirect2("../" + name);
}
/**
* Handles the configuration submission.
*
* Load view-specific properties here.
*/
protected abstract void submit(StaplerRequest req) throws IOException, ServletException, FormException;
/**
* Deletes this view.
*/
public synchronized void doDoDelete(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
requirePOST();
checkPermission(DELETE);
owner.deleteView(this);
removeFromTeam(getViewName());
rsp.sendRedirect2(req.getContextPath() + "/" + owner.getUrl());
}
/**
* Creates a new {@link Item} in this collection.
*
* <p> This method should call
* {@link Hudson#doCreateItem(StaplerRequest, StaplerResponse)} and then add
* the newly created item to this view.
*
* @return null if fails.
*/
public abstract Item doCreateItem(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException;
public void doRssAll(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
rss(req, rsp, " all builds", getBuilds());
}
public void doRssFailed(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
rss(req, rsp, " failed builds", getBuilds().failureOnly());
}
public BuildHistoryList getBuildHistoryList() {
return BuildHistoryList.newBuildHistoryList(this);
}
public RunList getBuilds() {
return new RunList(this);
}
public BuildTimelineWidget getTimeline() {
return new BuildTimelineWidget(getBuildHistoryList());
}
private void rss(StaplerRequest req, StaplerResponse rsp, String suffix, AbstractRunList runs) throws IOException, ServletException {
RSS.forwardToRss(getDisplayName() + suffix, getUrl(),
runs.newBuilds(), Run.FEED_ADAPTER, req, rsp);
}
public void doRssLatest(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
List<Run> lastBuilds = new ArrayList<Run>();
for (TopLevelItem item : getItems()) {
if (item instanceof Job) {
Job job = (Job) item;
Run lb = job.getLastBuild();
if (lb != null) {
lastBuilds.add(lb);
}
}
}
RSS.forwardToRss(getDisplayName() + " last builds only", getUrl(),
lastBuilds, Run.FEED_ADAPTER_LATEST, req, rsp);
}
/**
* A list of available view types.
*
* @deprecated as of 1.286 Use {@link #all()} for read access, and use
* {@link Extension} for registration.
*/
public static final DescriptorList<View> LIST = new DescriptorList<View>(View.class);
/**
* Returns all the registered {@link ViewDescriptor}s.
*/
public static DescriptorExtensionList<View, ViewDescriptor> all() {
return Hudson.getInstance().<View, ViewDescriptor>getDescriptorList(View.class);
}
public static final Comparator<View> SORTER = new Comparator<View>() {
public int compare(View lhs, View rhs) {
return lhs.getViewName().compareTo(rhs.getViewName());
}
};
public static final PermissionGroup PERMISSIONS = new PermissionGroup(View.class, Messages._View_Permissions_Title());
/**
* Permission to create new jobs.
*/
public static final Permission READ = new Permission(PERMISSIONS, "Read", Messages._View_ReadPermission_Description(), Permission.READ);
public static final Permission CREATE = new Permission(PERMISSIONS, "Create", Messages._View_CreatePermission_Description(), Permission.CREATE);
public static final Permission DELETE = new Permission(PERMISSIONS, "Delete", Messages._View_DeletePermission_Description(), Permission.DELETE);
public static final Permission CONFIGURE = new Permission(PERMISSIONS, "Configure", Messages._View_ConfigurePermission_Description(), Permission.CONFIGURE);
// to simplify access from Jelly
public static Permission getItemCreatePermission() {
return Item.CREATE;
}
public static View create(StaplerRequest req, StaplerResponse rsp, ViewGroup owner)
throws FormException, IOException, ServletException {
String name = req.getParameter("name");
checkGoodName(name);
if (owner.getView(name) != null) {
throw new FormException(Messages.Hudson_ViewAlreadyExists(name), "name");
}
String mode = req.getParameter("mode");
if (mode == null || mode.length() == 0) {
throw new FormException(Messages.View_MissingMode(), "mode");
}
// create a view
View v = all().findByName(mode).newInstance(req, req.getSubmittedForm());
v.owner = owner;
if (!(owner instanceof MyViewsProperty)) {
//TODO: Get teamname to add from view creation UI
addToTeam(v.getViewName(), null);
}
// redirect to the config screen
rsp.sendRedirect2(req.getContextPath() + '/' + v.getUrl() + v.getPostConstructLandingPage());
return v;
}
private static void addToTeam(String name, String teamName) throws IOException {
TeamManager teamManager = Hudson.getInstance().getTeamManager();
if (!teamManager.isTeamManagementEnabled()) {
if (teamName != null) {
throw new IOException("Team management is not enabled");
}
}
Team team = null;
if (teamName == null) {
try {
team = teamManager.findCurrentUserTeamForNewView();
} catch (TeamNotFoundException ex) {
// Shouldn't happen, as user is already confirmed for View.CREATE
}
} else {
try {
team = teamManager.findTeam(teamName);
} catch (TeamNotFoundException e) {
throw new IOException("Team " + teamName + " does not exist");
}
}
try {
teamManager.addView(team, name);
} catch (TeamNotFoundException ex) {
throw new IOException("Team " + teamName + " does not exist");
}
}
private void removeFromTeam(String name) throws IOException {
TeamManager teamManager = Hudson.getInstance().getTeamManager();
if (teamManager.isTeamManagementEnabled()) {
teamManager.removeView(name);
}
}
}