/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://www.dspace.org/license/
*/
package org.dspace.app.xmlui.objectmanager;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.dspace.app.xmlui.wing.ObjectManager;
import org.dspace.app.xmlui.wing.WingException;
import org.dspace.browse.BrowseItem;
import org.dspace.content.Collection;
import org.dspace.content.Community;
import org.dspace.content.DSpaceObject;
import org.dspace.content.Item;
import org.dspace.core.ConfigurationManager;
import org.dspace.handle.HandleManager;
/**
* The Wing ObjectManager implemented specificaly for DSpace. This manager
* is able identify all DSpace items, communities, and collections.
*
* @author Scott Phillips
*/
public class DSpaceObjectManager implements ObjectManager
{
/**
* Manage the given object, if this manager is unable to manage the object then false must be returned.
*
* @param object
* The object to be managed.
* @return The object identifiers
*/
public boolean manageObject(Object object)
{
// Check that the object is of a type we can manage.
return (object instanceof BrowseItem) || (object instanceof Item) || (object instanceof Collection)
|| (object instanceof Community);
}
/**
* Return the metadata URL of the supplied object, assuming
* it's a DSpace item, community or collection.
*
*/
public String getObjectURL(Object object) throws WingException
{
if (object instanceof DSpaceObject)
{
DSpaceObject dso = (DSpaceObject) object;
String handle = dso.getHandle();
// If the object has a handle then refrence it by it's handle.
if (handle != null)
{
return "/metadata/handle/" + handle + "/mets.xml";
}
else
{
// No handle then refrence it by an internal ID.
if (dso instanceof Item || dso instanceof BrowseItem)
{
return "/metadata/internal/item/" + dso.getID() + "/mets.xml";
}
else if (object instanceof Collection)
{
return "/metadata/internal/collection/" + dso.getID() + "/mets.xml";
}
else if (object instanceof Community)
{
return "/metadata/internal/community/" + dso.getID() + "/mets.xml";
}
}
}
return null;
}
/**
* Return a pretty specific string giving a hint to the theme as to what
* type of DSpace object is being refrenced.
*/
public String getObjectType(Object object)
{
if (object instanceof Item || object instanceof BrowseItem)
{
return "DSpace Item";
}
else if (object instanceof Collection)
{
return "DSpace Collection";
}
else if (object instanceof Community)
{
return "DSpace Community";
}
return null;
}
/**
* Return a globally unique identifier for the repository. For dspace, we
* use the handle prefix.
*/
public String getRepositoryIdentifier(Object object) throws WingException
{
return HandleManager.getPrefix();
}
/**
* Return the metadata URL for this repository.
*/
public String getRepositoryURL(Object object) throws WingException
{
String handlePrefix = HandleManager.getPrefix();
return "/metadata/internal/repository/"+handlePrefix +"/mets.xml";
}
/**
* For the DSpace implementation we just return a hash of one entry which contains
* a reference to this repository's metadata.
*/
public Map<String,String> getAllManagedRepositories() throws WingException
{
String handlePrefix = HandleManager.getPrefix();
Map<String,String> allRepositories = new HashMap<String,String>();
allRepositories.put(handlePrefix, "/metadata/internal/repository/"+handlePrefix +"/mets.xml");
return allRepositories;
}
}