/*
* Navigation.java
*
* Version: $Revision: 3705 $
*
* Date: $Date: 2009-04-11 18:02:24 +0100 (Sat, 11 Apr 2009) $
*
* Copyright (c) 2002, Hewlett-Packard Company and Massachusetts
* Institute of Technology. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Hewlett-Packard Company nor the name of the
* Massachusetts Institute of Technology nor the names of their
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.dspace.app.xmlui.aspect.administrative;
import java.io.IOException;
import java.io.Serializable;
import java.sql.SQLException;
import java.util.Map;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.cocoon.ProcessingException;
import org.apache.cocoon.caching.CacheableProcessingComponent;
import org.apache.cocoon.environment.ObjectModelHelper;
import org.apache.cocoon.environment.Request;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.cocoon.util.HashUtil;
import org.apache.excalibur.source.SourceValidity;
import org.apache.excalibur.source.impl.validity.NOPValidity;
import org.dspace.app.itemexport.ItemExport;
import org.dspace.app.xmlui.cocoon.AbstractDSpaceTransformer;
import org.dspace.app.xmlui.utils.DSpaceValidity;
import org.dspace.app.xmlui.utils.HandleUtil;
import org.dspace.app.xmlui.utils.UIException;
import org.dspace.app.xmlui.wing.Message;
import org.dspace.app.xmlui.wing.WingException;
import org.dspace.app.xmlui.wing.element.List;
import org.dspace.app.xmlui.wing.element.Options;
import org.dspace.authorize.AuthorizeException;
import org.dspace.authorize.AuthorizeManager;
import org.dspace.content.Collection;
import org.dspace.content.Community;
import org.dspace.content.DSpaceObject;
import org.dspace.content.Item;
import org.dspace.core.Constants;
import org.dspace.eperson.Group;
import org.xml.sax.SAXException;
/**
*
* Create the navigation options for everything in the administrative aspects. This includes
* Epeople, group, item, access control, and registry management.
*
* @author Scott Phillips
* @author Afonso Araujo Neto (internationalization)
* @author Alexey Maslov
* @author Jay Paz
*/
public class Navigation extends AbstractDSpaceTransformer implements CacheableProcessingComponent
{
private static final Message T_context_head = message("xmlui.administrative.Navigation.context_head");
private static final Message T_context_edit_item = message("xmlui.administrative.Navigation.context_edit_item");
private static final Message T_context_edit_collection = message("xmlui.administrative.Navigation.context_edit_collection");
private static final Message T_context_item_mapper = message("xmlui.administrative.Navigation.context_item_mapper");
private static final Message T_context_edit_community = message("xmlui.administrative.Navigation.context_edit_community");
private static final Message T_context_create_collection = message("xmlui.administrative.Navigation.context_create_collection");
private static final Message T_context_create_subcommunity = message("xmlui.administrative.Navigation.context_create_subcommunity");
private static final Message T_context_create_community = message("xmlui.administrative.Navigation.context_create_community");
private static final Message T_administrative_head = message("xmlui.administrative.Navigation.administrative_head");
private static final Message T_administrative_access_control = message("xmlui.administrative.Navigation.administrative_access_control");
private static final Message T_administrative_people = message("xmlui.administrative.Navigation.administrative_people");
private static final Message T_administrative_groups = message("xmlui.administrative.Navigation.administrative_groups");
private static final Message T_administrative_authorizations = message("xmlui.administrative.Navigation.administrative_authorizations");
private static final Message T_administrative_registries = message("xmlui.administrative.Navigation.administrative_registries");
private static final Message T_administrative_metadata = message("xmlui.administrative.Navigation.administrative_metadata");
private static final Message T_administrative_format = message("xmlui.administrative.Navigation.administrative_format");
private static final Message T_administrative_items = message("xmlui.administrative.Navigation.administrative_items");
private static final Message T_administrative_withdrawn = message("xmlui.administrative.Navigation.administrative_withdrawn");
private static final Message T_administrative_control_panel = message("xmlui.administrative.Navigation.administrative_control_panel");
private static final Message T_statistics = message("xmlui.administrative.Navigation.statistics");
private static final Message T_context_export_item = message("xmlui.administrative.Navigation.context_export_item");
private static final Message T_context_export_collection = message("xmlui.administrative.Navigation.context_export_collection");
private static final Message T_context_export_community = message("xmlui.administrative.Navigation.context_export_community");
private static final Message T_account_export = message("xmlui.administrative.Navigation.account_export");
private static final Message T_my_account = message("xmlui.EPerson.Navigation.my_account");
/** Cached validity object */
private SourceValidity validity;
/** exports available for download */
java.util.List<String> availableExports = null;
/**
* Generate the unique cache key.
*
* @return The generated key hashes the src
*/
public Serializable getKey()
{
Request request = ObjectModelHelper.getRequest(objectModel);
// Special case, don't cache anything if the user is logging
// in. The problem occures because of timming, this cache key
// is generated before we know whether the operation has
// succeded or failed. So we don't know whether to cache this
// under the user's specific cache or under the anonymous user.
if (request.getParameter("login_email") != null ||
request.getParameter("login_password") != null ||
request.getParameter("login_realm") != null )
{
return "0";
}
String key;
if (context.getCurrentUser() != null)
{
key = context.getCurrentUser().getEmail();
if(availableExports!=null && availableExports.size()>0){
for(String fileName:availableExports){
key+= ":"+fileName;
}
}
}
else
key = "anonymous";
return HashUtil.hash(key);
}
/**
* Generate the validity object.
*
* @return The generated validity object or <code>null</code> if the
* component is currently not cacheable.
*/
public SourceValidity getValidity()
{
if (this.validity == null)
{
// Only use the DSpaceValidity object is someone is logged in.
if (context.getCurrentUser() != null)
{
try {
DSpaceValidity validity = new DSpaceValidity();
validity.add(eperson);
Group[] groups = Group.allMemberGroups(context, eperson);
for (Group group : groups)
{
validity.add(group);
}
this.validity = validity.complete();
}
catch (SQLException sqle)
{
// Just ignore it and return invalid.
}
}
else
{
this.validity = NOPValidity.SHARED_INSTANCE;
}
}
return this.validity;
}
public void setup(SourceResolver resolver, Map objectModel, String src, Parameters parameters) throws ProcessingException, SAXException, IOException {
super.setup(resolver, objectModel, src, parameters);
try{
availableExports = ItemExport.getExportsAvailable(context.getCurrentUser());
}
catch (Exception e) {
// nothing to do
}
}
public void addOptions(Options options) throws SAXException, WingException,
UIException, SQLException, IOException, AuthorizeException
{
/* Create skeleton menu structure to ensure consistent order between aspects,
* even if they are never used
*/
options.addList("browse");
List account = options.addList("account");
List context = options.addList("context");
List admin = options.addList("administrative");
account.setHead(T_my_account);
// My Account options
if(availableExports!=null && availableExports.size()>0){
account.addItem().addXref(contextPath+"/admin/export", T_account_export);
}
// Context Administrative options
DSpaceObject dso = HandleUtil.obtainHandle(objectModel);
if (dso instanceof Item)
{
Item item = (Item) dso;
if (item.canEdit())
{
context.setHead(T_context_head);
context.addItem().addXref(contextPath+"/admin/item?itemID="+item.getID(), T_context_edit_item);
//context.addItem().addXref(contextPath+"/admin/export?itemID="+item.getID(), T_context_export_item );
}
}
else if (dso instanceof Collection)
{
Collection collection = (Collection) dso;
// can they admin this collection?
if (AuthorizeManager.authorizeActionBoolean(this.context, collection, Constants.COLLECTION_ADMIN))
{
context.setHead(T_context_head);
context.addItemXref(contextPath+"/admin/collection?collectionID=" + collection.getID(), T_context_edit_collection);
context.addItemXref(contextPath+"/admin/mapper?collectionID="+collection.getID(), T_context_item_mapper);
context.addItem().addXref(contextPath+"/admin/export?collectionID="+collection.getID(), T_context_export_collection );
}
}
else if (dso instanceof Community)
{
Community community = (Community) dso;
// can they admin this collection?
if (community.canEditBoolean())
{
context.setHead(T_context_head);
context.addItemXref(contextPath+"/admin/community?communityID=" + community.getID(), T_context_edit_community);
context.addItem().addXref(contextPath+"/admin/export?communityID="+community.getID(), T_context_export_community );
}
// can they add to this community?
if (AuthorizeManager.authorizeActionBoolean(this.context, community,Constants.ADD))
{
context.setHead(T_context_head);
context.addItemXref(contextPath+"/admin/collection?createNew&communityID=" + community.getID(), T_context_create_collection);
}
// Only administrators can create communities
if (AuthorizeManager.isAdmin(this.context))
{
context.setHead(T_context_head);
context.addItemXref(contextPath+"/admin/community?createNew&communityID=" + community.getID(), T_context_create_subcommunity);
}
}
if ("community-list".equals(this.sitemapURI))
{
if (AuthorizeManager.isAdmin(this.context))
{
context.setHead(T_context_head);
context.addItemXref(contextPath+"/admin/community?createNew", T_context_create_community);
}
}
// System Administrator options!
if (AuthorizeManager.isAdmin(this.context))
{
admin.setHead(T_administrative_head);
List epeople = admin.addList("epeople");
List registries = admin.addList("registries");
epeople.setHead(T_administrative_access_control);
epeople.addItemXref(contextPath+"/admin/epeople", T_administrative_people);
epeople.addItemXref(contextPath+"/admin/groups", T_administrative_groups);
epeople.addItemXref(contextPath+"/admin/authorize", T_administrative_authorizations);
registries.setHead(T_administrative_registries);
registries.addItemXref(contextPath+"/admin/metadata-registry",T_administrative_metadata);
registries.addItemXref(contextPath+"/admin/format-registry",T_administrative_format);
admin.addItemXref(contextPath+"/admin/item", T_administrative_items);
admin.addItemXref(contextPath+"/admin/withdrawn", T_administrative_withdrawn);
admin.addItemXref(contextPath+"/admin/panel", T_administrative_control_panel);
admin.addItemXref(contextPath+"/statistics", T_statistics);
}
}
public int addContextualOptions(List context) throws SQLException, WingException
{
// How many options were added.
int options = 0;
DSpaceObject dso = HandleUtil.obtainHandle(objectModel);
if (dso instanceof Item)
{
Item item = (Item) dso;
if (item.canEdit())
{
context.addItem().addXref(contextPath+"/admin/item?itemID="+item.getID(), T_context_edit_item);
options++;
}
}
else if (dso instanceof Collection)
{
Collection collection = (Collection) dso;
// can they admin this collection?
if (AuthorizeManager.authorizeActionBoolean(this.context, collection, Constants.COLLECTION_ADMIN))
{
context.addItemXref(contextPath+"/admin/collection?collectionID=" + collection.getID(), T_context_edit_collection);
context.addItemXref(contextPath+"/admin/mapper?collectionID="+collection.getID(), T_context_item_mapper);
options++;
}
}
else if (dso instanceof Community)
{
Community community = (Community) dso;
// can they admin this collection?
if (community.canEditBoolean())
{
context.addItemXref(contextPath+"/admin/community?communityID=" + community.getID(), T_context_edit_community);
options++;
}
// can they add to this community?
if (AuthorizeManager.authorizeActionBoolean(this.context, community,Constants.ADD))
{
context.addItemXref(contextPath+"/admin/collection?createNew&communityID=" + community.getID(), T_context_create_collection);
context.addItemXref(contextPath+"/admin/community?createNew&communityID=" + community.getID(), T_context_create_subcommunity);
options++;
}
}
if ("community-list".equals(this.sitemapURI))
{
if (AuthorizeManager.isAdmin(this.context))
{
context.addItemXref(contextPath+"/admin/community?createNew", T_context_create_community);
options++;
}
}
return options;
}
/**
* recycle
*/
public void recycle()
{
this.validity = null;
super.recycle();
}
}