Java tutorial
/* * Copyright (C) 2005-2013 ManyDesigns srl. All rights reserved. * http://www.manydesigns.com/ * * This 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 3 of * the License, or (at your option) any later version. * * This software 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. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package com.manydesigns.portofino.pageactions; import com.manydesigns.portofino.dispatcher.PageAction; import com.manydesigns.portofino.dispatcher.PageInstance; import com.manydesigns.portofino.pageactions.annotations.ConfigurationClass; import com.manydesigns.portofino.pageactions.annotations.ScriptTemplate; import com.manydesigns.portofino.pageactions.annotations.SupportsDetail; import org.apache.commons.io.IOUtils; import org.apache.commons.lang.StringUtils; import java.io.InputStream; /** * @author Paolo Predonzani - paolo.predonzani@manydesigns.com * @author Angelo Lupo - angelo.lupo@manydesigns.com * @author Giampiero Granatella - giampiero.granatella@manydesigns.com * @author Alessio Stalla - alessio.stalla@manydesigns.com */ public class PageActionLogic { public static final String copyright = "Copyright (c) 2005-2013, ManyDesigns srl"; public static boolean supportsDetail(Class<?> actionClass) { if (!PageAction.class.isAssignableFrom(actionClass)) { return false; } SupportsDetail supportsDetail = actionClass.getAnnotation(SupportsDetail.class); if (supportsDetail != null) { return supportsDetail.value(); } else { return supportsDetail(actionClass.getSuperclass()); } } public static Class<?> getConfigurationClass(Class<?> actionClass) { if (!PageAction.class.isAssignableFrom(actionClass)) { return null; } ConfigurationClass configurationClass = actionClass.getAnnotation(ConfigurationClass.class); if (configurationClass != null) { return configurationClass.value(); } else { return getConfigurationClass(actionClass.getSuperclass()); } } public static String getScriptTemplate(Class<?> actionClass) { if (!PageAction.class.isAssignableFrom(actionClass)) { return null; } ScriptTemplate scriptTemplate = actionClass.getAnnotation(ScriptTemplate.class); if (scriptTemplate != null) { String templateLocation = scriptTemplate.value(); try { return IOUtils.toString(actionClass.getResourceAsStream(templateLocation)); } catch (Exception e) { throw new Error( "Can't load script template: " + templateLocation + " for class: " + actionClass.getName(), e); } } else { String template = getScriptTemplate(actionClass.getSuperclass()); if (template != null) { return template; } else { try { InputStream stream = PageActionLogic.class.getResourceAsStream( "/com/manydesigns/portofino/pageactions/default_script_template.txt"); return IOUtils.toString(stream); } catch (Exception e) { throw new Error("Can't load script template", e); } } } } public static String getDescriptionKey(Class<?> actionClass) { PageActionName annotation = actionClass.getAnnotation(PageActionName.class); if (annotation != null) { return annotation.value(); } else { return actionClass.getName(); } } public static boolean isEmbedded(PageAction pageAction) { PageInstance parent = pageAction.getPageInstance().getParent(); if (parent == null) { return false; //Root page } PageAction parentActionBean = parent.getActionBean(); if (parentActionBean == null) { return false; } String parentPath = parentActionBean.getContext().getActionPath(); String myPath = pageAction.getContext().getActionPath(); return !StringUtils.equals(parentPath, myPath); } }