eionet.gdem.web.struts.stylesheet.EditStylesheetFormAction.java Source code

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Here is the source code for eionet.gdem.web.struts.stylesheet.EditStylesheetFormAction.java

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/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is Web Dashboards Service
 *
 * The Initial Owner of the Original Code is European Environment
 * Agency (EEA).  Portions created by European Dynamics (ED) company are
 * Copyright (C) by European Environment Agency.  All Rights Reserved.
 *
 * Contributors(s):
 *    Original code: Istvan Alfeldi (ED)
 */

package eionet.gdem.web.struts.stylesheet;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.beanutils.BeanPredicate;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.functors.EqualPredicate;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import eionet.gdem.dcm.business.StylesheetManager;
import eionet.gdem.dto.Schema;
import eionet.gdem.dto.Stylesheet;
import eionet.gdem.exceptions.DCMException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Edits stylesheet.
 * @author Unknown
 * @author George Sofianos
 */
public class EditStylesheetFormAction extends Action {

    /** */
    private static final Logger LOGGER = LoggerFactory.getLogger(EditStylesheetFormAction.class);

    @Override
    public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm,
            HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) {

        ActionMessages errors = new ActionMessages();

        StylesheetForm form = (StylesheetForm) actionForm;
        String stylesheetId = httpServletRequest.getParameter("stylesheetId");

        if (stylesheetId == null || stylesheetId.equals("")) {
            stylesheetId = (String) httpServletRequest.getAttribute("stylesheetId");
        }

        ConvTypeHolder ctHolder = new ConvTypeHolder();
        StylesheetManager stylesheetManager = new StylesheetManager();

        try {
            Stylesheet stylesheet = stylesheetManager.getStylesheet(stylesheetId);

            if (stylesheet == null) {
                try {
                    httpServletResponse.sendError(HttpServletResponse.SC_NOT_FOUND);
                } catch (IOException ex) {
                    LOGGER.error("Failed to set 404 response status", ex);
                }

                return actionMapping.findForward(null);
            }

            form.setDescription(stylesheet.getDescription());
            form.setOutputtype(stylesheet.getType());
            form.setStylesheetId(stylesheet.getConvId());
            form.setXsl(stylesheet.getXsl());
            form.setXslContent(stylesheet.getXslContent());
            form.setXslFileName(stylesheet.getXslFileName());
            form.setModified(stylesheet.getModified());
            form.setChecksum(stylesheet.getChecksum());
            form.setSchemas(stylesheet.getSchemas());
            // set empty string if dependsOn is null to avoid struts error in define tag:
            // Define tag cannot set a null value
            form.setDependsOn(stylesheet.getDependsOn() == null ? "" : stylesheet.getDependsOn());

            if (stylesheet.getSchemas().size() > 0) {
                //set first schema for Run Conversion link
                form.setSchema(stylesheet.getSchemas().get(0).getSchema());
                // check if any related schema has type=EXCEL, if yes, then depends on info should be visible
                List<Schema> relatedSchemas = new ArrayList<Schema>(stylesheet.getSchemas());
                CollectionUtils.filter(relatedSchemas,
                        new BeanPredicate("schemaLang", new EqualPredicate("EXCEL")));
                if (relatedSchemas.size() > 0) {
                    form.setShowDependsOnInfo(true);
                    List<Stylesheet> existingStylesheets = new ArrayList<Stylesheet>();
                    for (Schema relatedSchema : relatedSchemas) {
                        CollectionUtils.addAll(existingStylesheets, stylesheetManager
                                .getSchemaStylesheets(relatedSchema.getId(), stylesheetId).toArray());
                    }
                    form.setExistingStylesheets(existingStylesheets);
                }
            }
            ctHolder = stylesheetManager.getConvTypes();

            /** FIXME - do we need the list of DD XML Schemas on the page
            StylesheetListHolder stylesheetList = StylesheetListLoader.getGeneratedList(httpServletRequest);
            List<Schema> schemas = stylesheetList.getDdStylesheets();
            httpServletRequest.setAttribute("stylesheet.DDSchemas", schemas);
            */

            /*
            String schemaId = schema.getSchemaId(stylesheet.getSchema());
            if (!Utils.isNullStr(schemaId)) {
            httpServletRequest.setAttribute("schemaInfo", schema.getSchema(schemaId));
            httpServletRequest.setAttribute("existingStylesheets", stylesheetManager.getSchemaStylesheets(schemaId, stylesheetId));
            }
            */
            //httpServletRequest.setAttribute(StylesheetListLoader.STYLESHEET_LIST_ATTR, StylesheetListLoader.getStylesheetList(httpServletRequest));

        } catch (DCMException e) {
            e.printStackTrace();
            LOGGER.error("Edit stylesheet error", e);
            errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(e.getErrorCode()));
            saveErrors(httpServletRequest, errors);
        }
        //TODO why is it needed to update session attribute in each request
        httpServletRequest.getSession().setAttribute("stylesheet.outputtype", ctHolder);

        return actionMapping.findForward("success");
    }
}