001/*
002 *  Copyright 2022 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.web.url;
017
018import java.util.Map;
019
020import org.apache.avalon.framework.parameters.Parameters;
021import org.apache.avalon.framework.service.ServiceException;
022import org.apache.avalon.framework.service.ServiceManager;
023import org.apache.cocoon.acting.ServiceableAction;
024import org.apache.cocoon.environment.ObjectModelHelper;
025import org.apache.cocoon.environment.Redirector;
026import org.apache.cocoon.environment.Request;
027import org.apache.cocoon.environment.SourceResolver;
028import org.apache.commons.lang.StringUtils;
029
030import org.ametys.core.cocoon.JSonReader;
031
032/**
033 * Action to parse a HTML page to get its meta for preview
034 *
035 */
036public class GetUrlPreviewAction extends ServiceableAction
037{
038    private UrlPreviewComponent _urlPreview;
039
040    @Override
041    public void service(ServiceManager smanager) throws ServiceException
042    {
043        super.service(smanager);
044        _urlPreview = (UrlPreviewComponent) smanager.lookup(UrlPreviewComponent.ROLE);
045    }
046    
047    public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
048    {
049        Request request = ObjectModelHelper.getRequest(objectModel);
050        
051        String url = request.getParameter("url");
052        String lang = StringUtils.defaultIfEmpty(request.getParameter("lang"), "en");
053        
054        Map<String, String> preview = _urlPreview.parseUrl(url, lang);
055        
056        request.setAttribute(JSonReader.OBJECT_TO_READ, preview);
057        
058        return EMPTY_MAP;
059    }
060
061}