Title: Experimental session handler for article postings
- *Description:
- *Copyright: Copyright (c) 2003
- *Company:
- * @author Zapata - * @version 1.0 - */ - -public class MirBasicArticlePostingHandler extends MirBasicPostingSessionHandler { - protected ModuleContent contentModule = new ModuleContent(DatabaseContent.getInstance()); - protected DatabaseContentToMedia contentToMedia = DatabaseContentToMedia.getInstance(); - protected DatabaseContent contentDatabase = DatabaseContent.getInstance(); - - public MirBasicArticlePostingHandler() { - super(); - - setResponseGenerators( - configuration.getString("Localizer.OpenSession.article.EditTemplate"), - configuration.getString("Localizer.OpenSession.article.DupeTemplate"), - configuration.getString("Localizer.OpenSession.article.UnsupportedMediaTemplate"), - configuration.getString("Localizer.OpenSession.article.DoneTemplate")); - } - - protected void initializeResponseData(Request aRequest, Session aSession, Response aResponse) throws SessionExc, SessionFailure { - super.initializeResponseData(aRequest, aSession, aResponse); - - Iterator i = DatabaseContent.getInstance().getFields().iterator(); - while (i.hasNext()) { - String field = (String) i.next(); - aResponse.setResponseValue(field, aRequest.getParameter(field)); - } - aResponse.setResponseValue("to_topic", aRequest.getParameters("to_topic")); - } - - public void validate(List aResults, Request aRequest, Session aSession) throws SessionExc, SessionFailure { - super.validate(aResults, aRequest, aSession); - - ValidationHelper.testFieldEntered(aRequest, "title", "validationerror.missing", aResults); - ValidationHelper.testFieldEntered(aRequest, "description", "validationerror.missing", aResults); - ValidationHelper.testFieldEntered(aRequest, "creator", "validationerror.missing", aResults); - ValidationHelper.testFieldEntered(aRequest, "content_data", "validationerror.missing", aResults); - } - - public void finalizeArticle(Request aRequest, Session aSession, EntityContent anArticle) throws SessionExc, SessionFailure { - try { - anArticle.setValueForProperty("is_published", "1"); - anArticle.setValueForProperty("is_produced", "0"); - anArticle.setValueForProperty("date", StringUtil.date2webdbDate(new GregorianCalendar())); - anArticle.setValueForProperty("is_html", "0"); - anArticle.setValueForProperty("publish_path", StringUtil.webdbDate2path(anArticle. getValue("date"))); - ModuleArticleType module = new ModuleArticleType(DatabaseArticleType.getInstance()); - - anArticle.setValueForProperty("to_article_type", module.articleTypeIdForName(configuration.getString("Localizer.OpenSession.article.DefaultArticleType"))); - anArticle.setValueForProperty("to_publisher", "1"); - } - catch (Throwable t) { - throw new SessionFailure(t); - } - } - - public void setArticleTopics(Request aRequest, Session aSession, EntityContent aContent) throws SessionExc, SessionFailure { - // topics: - List topics = aRequest.getParameters("to_topic"); - if (topics.size() > 0) { - try { - DatabaseContentToTopics.getInstance().setTopics(aContent.getId(), topics); - } - catch (Throwable e) { - logger.error("setting content_x_topic failed"); - throw new SessionFailure("MirBasicArticlePostingHandler: can't set topics: " + e.toString(), e); - } - } - } - - public void preProcessRequest(Request aRequest, Session aSession) throws SessionExc, SessionFailure { - try { - String id; - Map values = getIntersectingValues(aRequest, DatabaseContent.getInstance()); - - EntityContent article = (EntityContent) contentModule.createNew(); - article.setValues(values); - - finalizeArticle(aRequest, aSession, article); - id = article.insert(); - if (id == null) { - logger.info("Duplicate article rejected"); - throw new DuplicatePostingExc("Duplicate article rejected"); - } - aSession.setAttribute("content", article); - - - setArticleTopics(aRequest, aSession, article); - - } - catch (Throwable t) { - throw new SessionFailure(t); - } - } - - public void processUploadedFile(Request aRequest, Session aSession, UploadedFile aFile) throws SessionExc, SessionFailure { - try { - Map values = new HashMap(); - values.put("title", aRequest.getParameter(aFile.getFieldName()+"_title")); - values.put("creator", aRequest.getParameter("creator")); - values.put("to_publisher", "0"); - values.put("is_published", "1"); - values.put("is_produced", "1"); - Entity mediaItem = MediaUploadProcessor.processMediaUpload(aFile, values); - mediaItem.update(); - contentToMedia.addMedia(((EntityContent) aSession.getAttribute("content")).getId(), mediaItem.getId()); - } - catch (Throwable t) { - throw new SessionFailure(t); - } - } - - public void postProcessRequest(Request aRequest, Session aSession) throws SessionExc, SessionFailure { - EntityContent article = (EntityContent) aSession.getAttribute("content"); - - MirGlobal.abuse().checkArticle(article, aRequest, null); - try { - MirGlobal.localizer().openPostings().afterContentPosting(article); - } - catch (Throwable t) { - throw new SessionFailure(t); - } - logger.info("article posted"); - }; - -} +/* + * Copyright (C) 2001, 2002 The Mir-coders group + * + * This file is part of Mir. + * + * Mir is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Mir is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Mir; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * In addition, as a special exception, The Mir-coders gives permission to link + * the code of this program with any library licensed under the Apache Software License, + * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library + * (or with modified versions of the above that use the same license as the above), + * and distribute linked combinations including the two. You must obey the + * GNU General Public License in all respects for all of the code used other than + * the above mentioned libraries. If you modify this file, you may extend this + * exception to your version of the file, but you are not obligated to do so. + * If you do not wish to do so, delete this exception statement from your version. + */ + +package mircoders.localizer.basic; + +import mir.entity.Entity; +import mir.misc.StringUtil; +import mir.session.Request; +import mir.session.Response; +import mir.session.Session; +import mir.session.SessionExc; +import mir.session.SessionFailure; +import mir.session.ValidationHelper; +import mir.util.EntityUtility; +import mircoders.entity.EntityContent; +import mircoders.global.MirGlobal; +import mircoders.media.MediaUploadProcessor; +import mircoders.module.ModuleArticleType; +import mircoders.module.ModuleMediafolder; +import mircoders.storage.DatabaseContent; +import mircoders.storage.DatabaseContentToMedia; +import mircoders.storage.DatabaseContentToTopics; + +import java.util.GregorianCalendar; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; + +/** + * Extensible handler for open article postings + */ + +public class MirBasicArticlePostingHandler extends MirBasicPostingSessionHandler { + protected DatabaseContentToMedia contentToMedia = DatabaseContentToMedia.getInstance(); + protected DatabaseContent contentDatabase = DatabaseContent.getInstance(); + + public MirBasicArticlePostingHandler() { + this(false); + } + + public MirBasicArticlePostingHandler(boolean aPersistentUploadedFiles) { + super(aPersistentUploadedFiles); + + setResponseGenerators( + configuration.getString("Localizer.OpenSession.article.EditTemplate"), + configuration.getString("Localizer.OpenSession.article.DupeTemplate"), + configuration.getString("Localizer.OpenSession.article.UnsupportedMediaTemplate"), + configuration.getString("Localizer.OpenSession.article.DoneTemplate")); + } + /** + * {@inheritDoc} + */ + protected void initializeResponseData(Request aRequest, Session aSession, Response aResponse) throws SessionExc, SessionFailure { + super.initializeResponseData(aRequest, aSession, aResponse); + + Iterator i = DatabaseContent.getInstance().getFieldNames().iterator(); + while (i.hasNext()) { + String field = (String) i.next(); + aResponse.setResponseValue(field, aRequest.getParameter(field)); + } + aResponse.setResponseValue("to_topic", aRequest.getParameters("to_topic")); + } + + /** + * {@inheritDoc} + */ + public void validate(List aResults, Request aRequest, Session aSession) throws SessionExc, SessionFailure { + super.validate(aResults, aRequest, aSession); + + ValidationHelper.testFieldEntered(aRequest, "title", "validationerror.missing", aResults); + ValidationHelper.testFieldEntered(aRequest, "description", "validationerror.missing", aResults); + ValidationHelper.testFieldEntered(aRequest, "creator", "validationerror.missing", aResults); + ValidationHelper.testFieldEntered(aRequest, "content_data", "validationerror.missing", aResults); + } + + /** + * Called just before the article is stored in the database. + * The last opportunity to alter fields. + */ + public void finalizeArticle(Request aRequest, Session aSession, EntityContent anArticle) throws SessionExc, SessionFailure { + try { + anArticle.setFieldValue("is_published", "1"); + anArticle.setFieldValue("is_produced", "0"); + anArticle.setFieldValue("date", StringUtil.date2webdbDate(new GregorianCalendar())); + anArticle.setFieldValue("is_html", "0"); + anArticle.setFieldValue("publish_path", StringUtil.webdbDate2path(anArticle. getFieldValue("date"))); + + ModuleArticleType module = new ModuleArticleType(); + anArticle.setFieldValue("to_article_type", module.articleTypeIdForName(configuration.getString("Localizer.OpenSession.article.DefaultArticleType"))); + anArticle.setFieldValue("to_publisher", "1"); + } + catch (Throwable t) { + throw new SessionFailure(t); + } + } + + /** + * Extracts topics from the request and associated the + * article to them. + */ + public void setArticleTopics(Request aRequest, Session aSession, EntityContent anArticle) throws SessionExc, SessionFailure { + // topics: + List topics = aRequest.getParameters("to_topic"); + if (topics.size() > 0) { + try { + DatabaseContentToTopics.getInstance().setTopics(anArticle.getId(), topics); + } + catch (Throwable e) { + logger.error("setting content_x_topic failed"); + throw new SessionFailure("MirBasicArticlePostingHandler: can't set topics: " + e.toString(), e); + } + } + } + + public void preProcessRequest(Request aRequest, Session aSession) throws SessionExc, SessionFailure { + try { + String id; + Map values = getIntersectingValues(aRequest, DatabaseContent.getInstance()); + + EntityContent article = (EntityContent) contentDatabase.createNewEntity(); + article.setFieldValues(values); + + finalizeArticle(aRequest, aSession, article); + id = article.insert(); + if (id == null) { + logger.info("Duplicate article rejected"); + throw new DuplicatePostingExc("Duplicate article rejected"); + } + aSession.setAttribute("content", article); + + setArticleTopics(aRequest, aSession, article); + } + catch (Throwable t) { + throw new SessionFailure(t); + } + } + + public void processAttachmentError(Request aRequest, Session aSession, Attachment aFile, Throwable anError) { + EntityUtility.appendLineToField( ((EntityContent) aSession.getAttribute("content")), "comment", + "error with attachment: " + anError.toString()); + ((EntityContent) aSession.getAttribute("content")).update(); + } + + public void processAttachment(Request aRequest, Session aSession, Attachment aFile) throws SessionExc, SessionFailure { + try { + Map values = new HashMap(); + values.put("creator", aRequest.getParameter("creator")); + values.putAll(aFile.getAllAttributes()); + values.put("creator", aRequest.getParameter("creator")); + values.put("to_publisher", "0"); + values.put("is_published", "1"); + values.put("is_produced", "1"); + ModuleMediafolder module = new ModuleMediafolder(); + values.put("to_media_folder", module.mediaFolderIdForName(configuration.getString("Localizer.OpenSession.article.DefaultMediaFolder"))); + + Entity mediaItem = MediaUploadProcessor.processMediaUpload(aFile, values); + mediaItem.update(); + contentToMedia.addMedia(((EntityContent) aSession.getAttribute("content")).getId(), mediaItem.getId()); + } + catch (Throwable t) { + throw new SessionFailure(t); + } + } + + public void postProcessRequest(Request aRequest, Session aSession) throws SessionExc, SessionFailure { + EntityContent article = (EntityContent) aSession.getAttribute("content"); + + MirGlobal.abuse().checkArticle(article, aRequest, null); + try { + MirGlobal.localizer().openPostings().afterArticlePosting(article); + } + catch (Throwable t) { + throw new SessionFailure(t); + } + logger.info("article posted"); + } + +}