alfresco-community-repo/source/java/org/alfresco/repo/site/DocLibNodeLocator.java

package org.alfresco.repo.site;

import java.io.Serializable;
import java.util.Map;

import org.alfresco.repo.model.Repository;
import org.alfresco.repo.nodelocator.AbstractNodeLocator;
import org.alfresco.repo.nodelocator.NodeLocator;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.site.SiteService;

/**
 * This {@link NodeLocator} identifies the site in which the source node resides and returns the Document Library container for that site.
 * If no site can be found or the site does not have a Document Library then the Company Home is returned.
 * 
 * @author Nick Smith
 * @since 4.0
 */
public class DocLibNodeLocator extends AbstractNodeLocator
{
    public static final String NAME = "doclib";

    private SiteService siteService;
    private Repository repositoryHelper;
    
    /**
     * Finds the site in which the source {@link NodeRef} resides and returns the Document Library container for that site.
     * If no site can be found or the site does not have a Document Library then the Company Home is returned.
     * 
     * @param source the starting point for locating the site Document Library.
     * @param params Not used.
     * @return the Document Library or the Company Home.
     */
    @Override
    public NodeRef getNode(NodeRef source, Map<String, Serializable> params)
    {
        NodeRef docLib = null;
        if (source != null)
        {
            String siteName = siteService.getSiteShortName(source);
            if (siteName != null)
            {
                String containerId = SiteService.DOCUMENT_LIBRARY;
                docLib = siteService.getContainer(siteName, containerId);
            }
        }
        if (docLib == null)
        {
            docLib = repositoryHelper.getCompanyHome();
        }
        return docLib;
    }

    /**
    * {@inheritDoc}
    */
    @Override
    public String getName()
    {
        return NAME;
    }

    /**
     * @param siteService the siteService to set
     */
    public void setSiteService(SiteService siteService)
    {
        this.siteService = siteService;
    }
    
    /**
     * @param repositoryHelper the repositoryHelper to set
     */
    public void setRepositoryHelper(Repository repositoryHelper)
    {
        this.repositoryHelper = repositoryHelper;
    }
}