/* Copyright (c) 2001 - 2007 TOPP - www.openplans.org. All rights reserved.
* This code is licensed under the GPL 2.0 license, available at the root
* application directory.
*/
package org.geoserver.web;
import java.util.HashMap;
import java.util.List;
import org.springframework.security.Authentication;
import org.springframework.security.GrantedAuthority;
import org.apache.wicket.Component;
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.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.Fragment;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.ResourceModel;
import org.apache.wicket.model.StringResourceModel;
import org.geoserver.catalog.Catalog;
import org.geoserver.catalog.StoreInfo;
import org.geoserver.config.ContactInfo;
import org.geoserver.config.GeoServer;
import org.geoserver.config.ServiceInfo;
import org.geoserver.web.data.layer.LayerPage;
import org.geoserver.web.data.layer.NewLayerPage;
import org.geoserver.web.data.store.NewDataPage;
import org.geoserver.web.data.store.StorePage;
import org.geoserver.web.data.workspace.WorkspaceNewPage;
import org.geoserver.web.data.workspace.WorkspacePage;
/**
* Home page, shows just the introduction and the capabilities link
*
* <p>
* This page uses the {@link CapabilitiesHomePageLinkProvider} extension point to enable other
* modules to contribute links for GetCapabilities documents. The default
* {@link ServiceInfoCapabilitiesProvider} contributes the capabilities links for all the available
* {@link ServiceInfo} implementations. Other extension point implementations may contribute service
* description document links non backed by ServiceInfo objects.
* </p>
*
* @author Andrea Aime - TOPP
*
*/
public class GeoServerHomePage extends GeoServerBasePage {
public GeoServerHomePage() {
GeoServer gs = getGeoServer();
ContactInfo contact = gs.getGlobal().getContact();
//add some contact info
add(new ExternalLink("contactURL", contact.getOnlineResource())
.add( new Label("contactName", contact.getContactOrganization())));
{
String version = String.valueOf(new ResourceModel("version").getObject());
String contactEmail = contact.getContactEmail();
HashMap<String, String>params = new HashMap<String, String>();
params.put("version", version);
params.put("contactEmail", contactEmail);
Label label = new Label("footerMessage", new StringResourceModel("GeoServerHomePage.footer", this, new Model(params)));
label.setEscapeModelStrings(false);
add(label);
}
Authentication auth = getSession().getAuthentication();
if(isAdmin(auth)) {
Fragment f = new Fragment("catalogLinks", "catalogLinksFragment", this);
Catalog catalog = getCatalog();
f.add(new BookmarkablePageLink("layersLink", LayerPage.class)
.add(new Label( "nlayers", ""+catalog.getLayers().size())));
f.add(new BookmarkablePageLink("addLayerLink", NewLayerPage.class));
f.add(new BookmarkablePageLink("storesLink",StorePage.class)
.add(new Label( "nstores", ""+catalog.getStores(StoreInfo.class).size())));
f.add(new BookmarkablePageLink("addStoreLink", NewDataPage.class));
f.add(new BookmarkablePageLink("workspacesLink",WorkspacePage.class)
.add(new Label( "nworkspaces", ""+catalog.getWorkspaces().size())));
f.add(new BookmarkablePageLink("addWorkspaceLink", WorkspaceNewPage.class));
add(f);
} else {
Label placeHolder = new Label("catalogLinks");
placeHolder.setVisible(false);
add(placeHolder);
}
final IModel<List<GeoServerHomePageContentProvider>> contentProviders;
contentProviders = getContentProviders(GeoServerHomePageContentProvider.class);
ListView<GeoServerHomePageContentProvider> contentView = new ListView<GeoServerHomePageContentProvider>(
"contributedContent", contentProviders) {
private static final long serialVersionUID = 1L;
@Override
protected void populateItem(ListItem<GeoServerHomePageContentProvider> item) {
GeoServerHomePageContentProvider provider = item.getModelObject();
Component extraContent = provider.getPageBodyComponent("contentList");
if(null == extraContent){
Label placeHolder = new Label("contentList");
placeHolder.setVisible(false);
extraContent = placeHolder;
}
item.add(extraContent);
}
};
add(contentView);
final IModel<List<CapabilitiesHomePageLinkProvider>> capsProviders;
capsProviders = getContentProviders(CapabilitiesHomePageLinkProvider.class);
ListView<CapabilitiesHomePageLinkProvider> capsView = new ListView<CapabilitiesHomePageLinkProvider>(
"providedCaps", capsProviders) {
private static final long serialVersionUID = 1L;
@Override
protected void populateItem(ListItem<CapabilitiesHomePageLinkProvider> item) {
CapabilitiesHomePageLinkProvider provider = item.getModelObject();
Component capsList = provider.getCapabilitiesComponent("capsList");
item.add(capsList);
}
};
add(capsView);
}
private <T> IModel<List<T>> getContentProviders(final Class<T> providerClass) {
IModel<List<T>> providersModel = new LoadableDetachableModel<List<T>>() {
private static final long serialVersionUID = 1L;
@Override
protected List<T> load() {
GeoServerApplication app = getGeoServerApplication();
List<T> providers = app.getBeansOfType(providerClass);
return providers;
}
};
return providersModel;
}
/**
* Checks if the current user is authenticated and is the administrator
*/
private boolean isAdmin(Authentication authentication) {
if(authentication == null || !authentication.isAuthenticated())
return false;
for (GrantedAuthority authority : authentication.getAuthorities()) {
if ("ROLE_ADMINISTRATOR".equals(authority.getAuthority()))
return true;
}
return false;
}
}