Java tutorial
/* * Copyright (c) 2002-2014, Mairie de Paris * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright notice * and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice * and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * License 1.0 */ package fr.paris.lutece.plugins.extend.modules.hit.web.component; import fr.paris.lutece.plugins.extend.business.extender.ResourceExtenderDTO; import fr.paris.lutece.plugins.extend.modules.hit.business.Hit; import fr.paris.lutece.plugins.extend.modules.hit.service.IHitService; import fr.paris.lutece.plugins.extend.modules.hit.service.extender.HitResourceExtender; import fr.paris.lutece.plugins.extend.service.extender.history.IResourceExtenderHistoryService; import fr.paris.lutece.plugins.extend.util.JSONUtils; import fr.paris.lutece.plugins.extend.web.component.NoConfigResourceExtenderComponent; import fr.paris.lutece.portal.service.template.AppTemplateService; import fr.paris.lutece.portal.service.util.AppLogService; import fr.paris.lutece.util.html.HtmlTemplate; import net.sf.json.JSONException; import net.sf.json.JSONObject; import org.apache.commons.lang.StringUtils; import java.util.HashMap; import java.util.Locale; import java.util.Map; import javax.inject.Inject; import javax.servlet.http.HttpServletRequest; /** * * HitResourceExtenderComponent * */ public class HitResourceExtenderComponent extends NoConfigResourceExtenderComponent { // MARKS private static final String MARK_HIT = "hit"; // TEMPLATES private static final String TEMPLATE_HIT = "skin/plugins/extend/modules/hit/hit.html"; private static final String TEMPLATE_INFO = "admin/plugins/extend/modules/hit/hit_info.html"; // CONSTANTS private static final String JSON_KEY_SHOW = "show"; private static final String JSON_KEY_INCREMENT = "increment"; // SERVICES @Inject private IHitService _hitService; @Inject private IResourceExtenderHistoryService _resourceHistoryService; /** * {@inheritDoc} */ @Override public void buildXmlAddOn(String strIdExtendableResource, String strExtendableResourceType, String strParameters, StringBuffer strXml) { // Nothing yet } /** * {@inheritDoc} */ @Override public String getPageAddOn(String strIdExtendableResource, String strExtendableResourceType, String strParameters, HttpServletRequest request) { Hit hit = _hitService.findByParameters(strIdExtendableResource, strExtendableResourceType); if (hit == null) { hit = new Hit(); hit.setIdExtendableResource(strIdExtendableResource); hit.setExtendableResourceType(strExtendableResourceType); // By default, start hit at 0 hit.setNbHits(0); _hitService.create(hit); } if (incrementInfo(strParameters)) { _hitService.incrementHit(hit); } // Add to the resource extender history _resourceHistoryService.create(HitResourceExtender.EXTENDER_TYPE, strIdExtendableResource, strExtendableResourceType, request); if (showInFO(strParameters)) { Map<String, Object> model = new HashMap<String, Object>(); model.put(MARK_HIT, hit); HtmlTemplate template = AppTemplateService.getTemplate(TEMPLATE_HIT, request.getLocale(), model); return template.getHtml(); } return StringUtils.EMPTY; } /** * {@inheritDoc} */ @Override public String getInfoHtml(ResourceExtenderDTO resourceExtender, Locale locale, HttpServletRequest request) { Hit hit = _hitService.findByParameters(resourceExtender.getIdExtendableResource(), resourceExtender.getExtendableResourceType()); if (hit != null) { Map<String, Object> model = new HashMap<String, Object>(); model.put(MARK_HIT, hit); HtmlTemplate template = AppTemplateService.getTemplate(TEMPLATE_INFO, locale, model); return template.getHtml(); } return StringUtils.EMPTY; } /** * Show in fo. * * @param strParameters the str parameters * @return true, if successful */ private boolean showInFO(String strParameters) { boolean bShow = true; JSONObject jsonParameters = JSONUtils.parseParameters(strParameters); if (jsonParameters != null) { try { bShow = jsonParameters.getBoolean(JSON_KEY_SHOW); } catch (JSONException je) { AppLogService.debug(je.getMessage(), je); } } return bShow; } /** * request increment of hit * * @param strParameters the str parameters * @return true, if successful */ private boolean incrementInfo(String strParameters) { boolean bIncrement = true; JSONObject jsonParameters = JSONUtils.parseParameters(strParameters); if (jsonParameters != null) { try { bIncrement = jsonParameters.getBoolean(JSON_KEY_INCREMENT); } catch (JSONException je) { AppLogService.debug(je.getMessage(), je); } } return bIncrement; } }