SiteViewer.java

/**
 * $Id: SiteViewer.java 4679 2010-01-11 20:05:13Z mdiggory $
 * $URL: http://scm.dspace.org/svn/repo/modules/dspace-discovery/trunk/block/src/main/java/org/dspace/app/xmlui/aspect/discovery/SiteViewer.java $
 * *************************************************************************
 * Copyright (c) 2002-2009, DuraSpace.  All rights reserved
 * Licensed under the DuraSpace License.
 *
 * A copy of the DuraSpace License has been included in this
 * distribution and is available at: http://scm.dspace.org/svn/repo/licenses/LICENSE.txt
 */
package org.dspace.app.xmlui.aspect.discovery;

import java.io.IOException;
import java.io.Serializable;
import java.sql.SQLException;

import org.apache.cocoon.caching.CacheableProcessingComponent;
import org.apache.excalibur.source.SourceValidity;
import org.apache.excalibur.source.impl.validity.NOPValidity;
import org.dspace.app.xmlui.cocoon.AbstractDSpaceTransformer;
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.Body;
import org.dspace.app.xmlui.wing.element.Division;
import org.dspace.app.xmlui.wing.element.PageMeta;
import org.dspace.app.xmlui.wing.element.Para;
import org.dspace.authorize.AuthorizeException;
import org.dspace.core.ConfigurationManager;
import org.xml.sax.SAXException;

/**
 * This simple component will add a Search Box. It is intended for use on the front page.
 *
 * @author Scott Phillips
 */
public class SiteViewer extends AbstractDSpaceTransformer implements CacheableProcessingComponent
{
    /** Language Strings */

    public static final Message T_dspace_home =
        message("xmlui.general.dspace_home");

    private static final Message T_head =
        message("xmlui.ArtifactBrowser.FrontPageSearch.head");

    private static final Message T_para1 =
        message("xmlui.ArtifactBrowser.FrontPageSearch.para1");

    private static final Message T_go =
        message("xmlui.general.go");


    /**
     * Generate the unique caching key.
     * This key must be unique inside the space of this component.
     */
    public Serializable getKey()
    {
       return "1";
    }

    /**
     * Generate the cache validity object.
     */
    public SourceValidity getValidity()
    {
        return NOPValidity.SHARED_INSTANCE;
    }

    /**
     * Add a page title and trail links.
     */
    public void addPageMeta(PageMeta pageMeta) throws SAXException,
            WingException, UIException, SQLException, IOException,
            AuthorizeException
    {
    	pageMeta.addMetadata("title").addContent(T_dspace_home);
    	pageMeta.addTrailLink(contextPath, T_dspace_home);

        // Add RSS links if available
        String formats = ConfigurationManager.getProperty("webui.feed.formats");
		if ( formats != null )
		{
			for (String format : formats.split(","))
			{
				// Remove the protocol number, i.e. just list 'rss' or' atom'
				String[] parts = format.split("_");
				if (parts.length < 1)
					continue;

				String feedFormat = parts[0].trim()+"+xml";

				String feedURL = contextPath+"/feed/"+format.trim()+"/site";
				pageMeta.addMetadata("feed", feedFormat).addContent(feedURL);
			}
		}
    }


    public void addBody(Body body) throws SAXException, WingException,
            UIException, SQLException, IOException, AuthorizeException
    {
//        Division search =
//        	body.addInteractiveDivision("front-page-search",contextPath+"/search",Division.METHOD_GET,"primary");
//
//        search.setHead(T_head);
//
//        search.addPara(T_para1);
//
//        Para fields = search.addPara();
//        fields.addText("query");
//        fields.addButton("submit").setValue(T_go);
    }
}