Java tutorial
/* =============================================================================== * * Part of the InfoGlue Content Management Platform (www.infoglue.org) * * =============================================================================== * * Copyright (C) * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License version 2, as published by the * Free Software Foundation. See the file LICENSE.html for more information. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY, including 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 * this program; if not, write to the Free Software Foundation, Inc. / 59 Temple * Place, Suite 330 / Boston, MA 02111-1307 / USA. * * =============================================================================== */ package org.infoglue.calendar.actions; import java.io.File; import java.io.UnsupportedEncodingException; import java.net.URLEncoder; import java.util.Calendar; import java.util.Enumeration; import java.util.Iterator; import java.util.List; import java.util.Map; import javax.portlet.ActionRequest; import javax.servlet.ServletInputStream; import org.apache.commons.fileupload.FileUploadBase; import org.apache.commons.fileupload.disk.DiskFileItem; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.portlet.PortletFileUpload; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.infoglue.calendar.controllers.EventController; import org.infoglue.calendar.controllers.LocationController; import org.infoglue.calendar.controllers.ResourceController; import org.infoglue.calendar.taglib.AbstractCalendarTag; import com.opensymphony.webwork.ServletActionContext; import com.opensymphony.webwork.util.AttributeMap; import com.opensymphony.xwork.Action; import com.opensymphony.xwork.ActionContext; import com.opensymphony.xwork.util.OgnlValueStack; /** * This action represents a Calendar Administration screen. * * @author Mattias Bogeblad */ public class CreateResourceAction extends CalendarUploadAbstractAction { private static Log log = LogFactory.getLog(CreateResourceAction.class); private Long eventId; private Long calendarId; private String mode; private String message = ""; private String returnUrl = ""; /** * This is the entry point for the main listing. */ public String execute() throws Exception { log.debug("-------------Uploading file....."); File uploadedFile = null; String maxUploadSize = ""; String uploadSize = ""; try { DiskFileItemFactory factory = new DiskFileItemFactory(); factory.setSizeThreshold(2000000); //factory.setRepository(yourTempDirectory); PortletFileUpload upload = new PortletFileUpload(factory); String maxSize = getSetting("AssetUploadMaxFileSize"); log.debug("maxSize:" + maxSize); if (maxSize != null && !maxSize.equals("") && !maxSize.equals("@AssetUploadMaxFileSize@")) { try { maxUploadSize = maxSize; upload.setSizeMax((new Long(maxSize) * 1000)); } catch (Exception e) { log.warn("Faulty max size parameter sent from portlet component:" + maxSize); } } else { maxSize = "" + (10 * 1024); maxUploadSize = maxSize; upload.setSizeMax((new Long(maxSize) * 1000)); } List fileItems = upload.parseRequest(ServletActionContext.getRequest()); log.debug("fileItems:" + fileItems.size()); Iterator i = fileItems.iterator(); while (i.hasNext()) { Object o = i.next(); DiskFileItem dfi = (DiskFileItem) o; log.debug("dfi:" + dfi.getFieldName()); log.debug("dfi:" + dfi); if (dfi.isFormField()) { String name = dfi.getFieldName(); String value = dfi.getString(); uploadSize = "" + (dfi.getSize() / 1000); log.debug("name:" + name); log.debug("value:" + value); if (name.equals("assetKey")) { this.assetKey = value; } else if (name.equals("eventId")) { this.eventId = new Long(value); ServletActionContext.getRequest().setAttribute("eventId", this.eventId); } else if (name.equals("calendarId")) { this.calendarId = new Long(value); ServletActionContext.getRequest().setAttribute("calendarId", this.calendarId); } else if (name.equals("mode")) this.mode = value; } else { String fieldName = dfi.getFieldName(); String fileName = dfi.getName(); uploadSize = "" + (dfi.getSize() / 1000); this.fileName = fileName; log.debug("FileName:" + this.fileName); uploadedFile = new File(getTempFilePath() + File.separator + fileName); dfi.write(uploadedFile); } } } catch (Exception e) { ServletActionContext.getRequest().getSession().setAttribute("errorMessage", "Exception uploading resource. " + e.getMessage() + ".<br/>Max upload size: " + maxUploadSize + " KB"); // + "<br/>Attempted upload size (in KB):" + uploadSize); ActionContext.getContext().getValueStack().getContext().put("errorMessage", "Exception uploading resource. " + e.getMessage() + ".<br/>Max upload size: " + maxUploadSize + " KB"); // + "<br/>Attempted upload size (in KB):" + uploadSize); log.error("Exception uploading resource. " + e.getMessage()); return Action.ERROR; } try { log.debug("Creating resources.....:" + this.eventId + ":" + ServletActionContext.getRequest().getParameter("eventId") + ":" + ServletActionContext.getRequest().getParameter("calendarId")); ResourceController.getController().createResource(this.eventId, this.getAssetKey(), this.getFileContentType(), this.getFileName(), uploadedFile, getSession()); } catch (Exception e) { ServletActionContext.getRequest().getSession().setAttribute("errorMessage", "Exception saving resource to database: " + e.getMessage()); ActionContext.getContext().getValueStack().getContext().put("errorMessage", "Exception saving resource to database: " + e.getMessage()); log.error("Exception saving resource to database. " + e.getMessage()); return Action.ERROR; } return Action.SUCCESS; } public String getEventIdAsString() { return eventId.toString(); } public String getCalendarIdAsString() { return calendarId.toString(); } public Long getEventId() { return eventId; } public void setEventId(Long eventId) { this.eventId = eventId; } public Long getCalendarId() { return calendarId; } public void setCalendarId(Long calendarId) { this.calendarId = calendarId; } public String getMode() { return mode; } public void setMode(String mode) { this.mode = mode; } public String getMessage() { return message; } public String getReturnUrl() { return returnUrl; } }