org.openlegacy.rpc.mvc.web.interceptors.InsertEntityDefinitionsInterceptor.java Source code

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Here is the source code for org.openlegacy.rpc.mvc.web.interceptors.InsertEntityDefinitionsInterceptor.java

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/*******************************************************************************
 * Copyright (c) 2014 OpenLegacy Inc.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     OpenLegacy Inc. - initial API and implementation
 *******************************************************************************/
package org.openlegacy.rpc.mvc.web.interceptors;

import org.apache.commons.lang.StringUtils;
import org.openlegacy.EntityDefinition;
import org.openlegacy.layout.PageDefinition;
import org.openlegacy.modules.menu.Menu;
import org.openlegacy.mvc.MvcUtils;
import org.openlegacy.rpc.RpcEntity;
import org.openlegacy.rpc.services.RpcEntitiesRegistry;
import org.openlegacy.support.AbstractEntitiesRegistry;
import org.openlegacy.utils.EntityUtils;
import org.openlegacy.utils.StringUtil;
import org.springframework.web.servlet.ModelAndView;

import java.util.List;

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

/**
 * Intercepter class for spring MVC. Injects commonly used beans into the page context so they can be accessed via the web page
 * 
 * @author RoiM
 * 
 */
public class InsertEntityDefinitionsInterceptor extends AbstractRpcInterceptor {

    @Inject
    private RpcEntitiesRegistry entitiesRegistry;

    @Inject
    private MvcUtils mvcUtils;

    @Override
    protected void insertModelData(ModelAndView modelAndView, HttpServletRequest request,
            HttpServletResponse response) {
        String modelName = StringUtils.uncapitalize(modelAndView.getViewName());
        Object model = modelAndView.getModel().get(modelName);
        if (model != null && model instanceof RpcEntity) {
            mvcUtils.insertModelObjects(modelAndView, model, entitiesRegistry);
        } else {
            PageDefinition page = (PageDefinition) modelAndView.getModel().get("page");
            if (page != null) {

                EntityDefinition<?> definitions = page.getEntityDefinition();
                model = modelAndView.getModel().get(StringUtils.uncapitalize(definitions.getEntityName()));
                if (model != null && model instanceof RpcEntity) {
                    // mvcUtils.insertModelObjects(modelAndView, model, definitions);
                    modelAndView.addObject("definitions", definitions);
                    List<Object> keysValues = EntityUtils.getKeysValues(model, definitions);
                    String keysValuesText = StringUtil.toString(keysValues, '_');
                    modelAndView.addObject("ol_entityId", keysValuesText);
                    modelAndView.addObject("ol_entityUniqueId", definitions.getEntityName() + keysValuesText);
                }
            }
        }
        if (entitiesRegistry.isDirty()) {
            // set the registry back to clean - for design-time purposes only!
            ((AbstractEntitiesRegistry<?, ?, ?>) entitiesRegistry).setDirty(false);
        }

        Menu menuModule = getSession().getModule(Menu.class);
        if (menuModule != null) {
            modelAndView.addObject("ol_menu", menuModule.getMenuTree());
            modelAndView.addObject("ol_flatMenus", menuModule.getFlatMenuEntries());
        }
    }

}