Java tutorial
/* * File : $Source: /alkacon/cvs/alkacon/com.alkacon.opencms.survey/src/com/alkacon/opencms/survey/CmsFormReportingBean.java,v $ * Date : $Date: 2010/03/19 15:31:15 $ * Version: $Revision: 1.8 $ * * This library is part of OpenCms - * the Open Source Content Mananagement System * * Copyright (C) 2010 Alkacon Software GmbH (http://www.alkacon.com) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * For further information about Alkacon Software GmbH, please see the * company website: http://www.alkacon.com * * For further information about OpenCms, please see the * project website: http://www.opencms.org * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package com.alkacon.opencms.survey; import com.alkacon.opencms.formgenerator.CmsCheckboxField; import com.alkacon.opencms.formgenerator.CmsFieldFactory; import com.alkacon.opencms.formgenerator.CmsRadioButtonField; import com.alkacon.opencms.formgenerator.CmsSelectionField; import com.alkacon.opencms.formgenerator.I_CmsField; import org.opencms.file.CmsGroup; import org.opencms.file.CmsUser; import org.opencms.jsp.CmsJspActionElement; import org.opencms.main.CmsLog; import org.opencms.util.CmsStringUtil; import java.awt.Color; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.jsp.PageContext; import org.apache.commons.collections.Transformer; import org.apache.commons.collections.map.LazyMap; import org.apache.commons.logging.Log; /** * Contains functions to show the reporting of the webform.<p> * * @author Anja Roettgers * * @version $Revision: 1.8 $ * * @since 7.0.4 */ public class CmsFormReportingBean extends CmsJspActionElement { /** the separator between the parameters.*/ public static final String PARAM_SEPARATOR = "?_?"; /** the separator between light and dark colors.**/ public static final int SEP_DARK_LIGHT = (3 * 255) / 2; /** The log object for this class. */ private static final Log LOG = CmsLog.getLog(CmsFormReportingBean.class); /** * Till now, only special types can be reported.<p> * * Types:<p> * <ul> * <li> {@link CmsCheckboxField} </li> * <li> {@link CmsRadioButtonField} </li> * </ul> * * @param fieldType the type to check * * @return <code>true</code> is from the correct type or otherwise <code>false</code> */ public static boolean isFieldTypeCorrect(String fieldType) { boolean result = false; I_CmsField field = CmsFieldFactory.getSharedInstance().getField(fieldType); if ((field instanceof CmsCheckboxField) || (field instanceof CmsRadioButtonField) || (field instanceof CmsSelectionField)) { result = true; } return result; } /** Lazy map which checks if the type can be reported or not. */ private Map m_checktype; /** Lazy map with the color of the text if white or black.*/ private Map m_color; /** Lazy map with the groups.*/ private Map m_group; /** Lazy map with label of the fields.*/ private Map m_label; /** Lazy map with the reporting bean.*/ private Map m_reporting; /** * Constructor, creates the necessary form configuration objects.<p> * * @param context the JSP page context object * @param req the JSP request * @param res the JSP response */ public CmsFormReportingBean(PageContext context, HttpServletRequest req, HttpServletResponse res) { super(context, req, res); } /** * Checks if the given type is from the correct type to display in the report.<p> * * @return <code>true</code> is from the correct type or otherwise <code>false</code> */ public Map getFieldTypeCorrect() { if (m_checktype == null) { m_checktype = LazyMap.decorate(new HashMap(), new Transformer() { /** * @see org.apache.commons.collections.Transformer#transform(java.lang.Object) */ public Object transform(Object input) { String value = String.valueOf(input); return Boolean.valueOf(isFieldTypeCorrect(value)); } }); } return m_checktype; } /** * Returns a lazy initialized map that provides the label and database label for each value used as a key in the Map.<p> * * @return a lazy initialized map */ public Map getLabeling() { if (m_label == null) { m_label = LazyMap.decorate(new HashMap(), new Transformer() { /** * @see org.apache.commons.collections.Transformer#transform(java.lang.Object) */ public Object transform(Object input) { String value = String.valueOf(input); String[] result = new String[] { value, value }; if (!CmsStringUtil.isEmpty(value)) { String[] array = CmsStringUtil.splitAsArray(value, '|'); if (array.length > 1) { result = array; } } return result; } }); } return m_label; } /** * Returns the PARAM_SEPARATOR.<p> * * @return the PARAM_SEPARATOR */ public String getSeparator() { return PARAM_SEPARATOR; } /** * Returns a lazy initialized map that provides if the user can see the detail page or not * for each group used as a key in the Map.<p> * * @return a lazy initialized map */ public Map getShowDetail() { if (m_group == null) { m_group = LazyMap.decorate(new HashMap(), new Transformer() { /** * @see org.apache.commons.collections.Transformer#transform(java.lang.Object) */ public Object transform(Object input) { String value = String.valueOf(input); if (CmsStringUtil.isEmptyOrWhitespaceOnly(value)) { return new Boolean(true); } try { CmsUser user = getCmsObject().getRequestContext().currentUser(); List list = getCmsObject().getGroupsOfUser(user.getName(), false); CmsGroup group; for (int i = 0; i < list.size(); i++) { group = (CmsGroup) list.get(i); if (group.getName().equals(value)) { return new Boolean(true); } } } catch (Exception e) { // NOOP } return new Boolean(false); } }); } return m_group; } /** * Returns a lazy initialized map that provides the color of the label for each background color used as a key in the Map.<p> * * Dark background color returns white.<p> * Light background color returns black.<p> * * @return a lazy initialized map */ public Map getTextColor() { if (m_color == null) { m_color = LazyMap.decorate(new HashMap(), new Transformer() { /** * @see org.apache.commons.collections.Transformer#transform(java.lang.Object) */ public Object transform(Object input) { try { // get the color from the given value String value = String.valueOf(input); Color color = Color.decode(value); // look if its a dark color or a light int dezColor = color.getBlue() + color.getGreen() + color.getRed(); if (dezColor < SEP_DARK_LIGHT) { return "#FFF"; } } catch (Exception e) { // NOOP } return "#000"; } }); } return m_color; } /** * Returns the needed {@link CmsFormWorkBean} with the given parameters.<p> * * @param formid the form id * * @param formPath the path of the form * * @return the work bean */ public CmsFormWorkBean getReporting(String formid, String formPath) { CmsFormWorkBean result = new CmsFormWorkBean(); String[] parameters = CmsStringUtil.splitAsArray(formid, PARAM_SEPARATOR); if (parameters.length > 0) { String formId = parameters[0]; String resId = null; if (parameters.length > 1) { resId = parameters[1]; } result.init(formId, resId, formPath, this); } return result; } }