Java tutorial
/* * Copyright 2003-2004 Michael Franken, Zilverline. * * The contents of this file, or the files included with this file, are subject to * the current version of ZILVERLINE Collaborative Source License for the * Zilverline Search Engine (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.zilverline.org. * * See the License for the rights, obligations and * limitations governing use of the contents of the file. * * The Original and Upgraded Code is the Zilverline Search Engine. The developer of * the Original and Upgraded Code is Michael Franken. Michael Franken owns the * copyrights in the portions it created. All Rights Reserved. * */ package org.zilverline.web; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.web.servlet.ModelAndView; import org.zilverline.core.DocumentCollection; import org.zilverline.core.IndexException; /** * JavaBean form controller that is used to add a new <code>Collection</code> to the system. * * @author Michael Franken */ public class AddCollectionController extends AbstractZilverController { public AddCollectionController() { // activate session form mode to allow for detection of duplicate submissions setSessionForm(true); } /** Method inserts a new <code>Collection</code>. */ protected ModelAndView onSubmit(Object command) throws ServletException { DocumentCollection collection = (DocumentCollection) command; // delegate the insert to the Collection Manager try { collectionManager.addCollection(collection); collection.init(); collectionManager.store(); } catch (IndexException e) { throw new ServletException("Error initializing new index in AddCollectionForm", e); } return new ModelAndView(getSuccessView(), "collections", collectionManager.getCollections()); } protected ModelAndView handleInvalidSubmit(HttpServletRequest request, HttpServletResponse response) throws Exception { return disallowDuplicateFormSubmission(request, response); } }