Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * 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. */ package com.liferay.dynamic.data.mapping.form.web.internal.portlet; import com.liferay.dynamic.data.mapping.form.renderer.DDMFormRenderer; import com.liferay.dynamic.data.mapping.form.values.factory.DDMFormValuesFactory; import com.liferay.dynamic.data.mapping.form.web.internal.constants.DDMFormPortletKeys; import com.liferay.dynamic.data.mapping.form.web.internal.display.context.DDMFormDisplayContext; import com.liferay.dynamic.data.mapping.form.web.internal.instance.lifecycle.AddDefaultSharedFormLayoutPortalInstanceLifecycleListener; import com.liferay.dynamic.data.mapping.model.DDMFormInstance; import com.liferay.dynamic.data.mapping.model.DDMFormInstanceSettings; import com.liferay.dynamic.data.mapping.service.DDMFormInstanceRecordVersionLocalService; import com.liferay.dynamic.data.mapping.service.DDMFormInstanceService; import com.liferay.dynamic.data.mapping.util.DDMFormValuesMerger; import com.liferay.dynamic.data.mapping.validator.DDMFormValuesValidationException; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.model.Layout; import com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet; import com.liferay.portal.kernel.security.auth.PrincipalException; import com.liferay.portal.kernel.service.WorkflowDefinitionLinkLocalService; import com.liferay.portal.kernel.servlet.SessionErrors; import com.liferay.portal.kernel.theme.ThemeDisplay; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.Portal; import com.liferay.portal.kernel.util.WebKeys; import java.io.IOException; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; import javax.portlet.Portlet; import javax.portlet.PortletException; import javax.portlet.PortletSession; import javax.portlet.RenderRequest; import javax.portlet.RenderResponse; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * @author Marcellus Tavares */ @Component(immediate = true, property = { "com.liferay.portlet.add-default-resource=true", "com.liferay.portlet.application-type=full-page-application", "com.liferay.portlet.application-type=widget", "com.liferay.portlet.css-class-wrapper=portlet-forms-display", "com.liferay.portlet.display-category=category.collaboration", "com.liferay.portlet.friendly-url-mapping=form", "com.liferay.portlet.header-portlet-css=/admin/css/main.css", "com.liferay.portlet.instanceable=true", "com.liferay.portlet.preferences-owned-by-group=true", "com.liferay.portlet.private-request-attributes=false", "com.liferay.portlet.render-weight=50", "com.liferay.portlet.scopeable=true", "com.liferay.portlet.use-default-template=true", "javax.portlet.display-name=Dynamic Data Mapping Form", "javax.portlet.expiration-cache=0", "javax.portlet.init-param.copy-request-parameters=true", "javax.portlet.init-param.template-path=/display/", "javax.portlet.init-param.view-template=/display/view.jsp", "javax.portlet.name=" + DDMFormPortletKeys.DYNAMIC_DATA_MAPPING_FORM, "javax.portlet.resource-bundle=content.Language", "javax.portlet.security-role-ref=guest,power-user,user", "javax.portlet.supports.mime-type=text/html" }, service = Portlet.class) public class DDMFormPortlet extends MVCPortlet { @Override public void processAction(ActionRequest actionRequest, ActionResponse actionResponse) throws IOException, PortletException { try { super.processAction(actionRequest, actionResponse); } catch (Exception e) { _portal.copyRequestParameters(actionRequest, actionResponse); Throwable cause = getRootCause(e); hideDefaultErrorMessage(actionRequest); if (cause instanceof DDMFormValuesValidationException) { if (cause instanceof DDMFormValuesValidationException.MustSetValidValues || cause instanceof DDMFormValuesValidationException.RequiredValue) { SessionErrors.add(actionRequest, cause.getClass(), cause); } else { SessionErrors.add(actionRequest, DDMFormValuesValidationException.class); } } else { SessionErrors.add(actionRequest, cause.getClass(), cause); } ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY); if (_addDefaultSharedFormLayoutPortalInstanceLifecycleListener.isSharedLayout(themeDisplay)) { saveParametersInSession(actionRequest); } } } @Override public void render(RenderRequest renderRequest, RenderResponse renderResponse) throws IOException, PortletException { try { setRenderRequestAttributes(renderRequest, renderResponse); DDMFormDisplayContext ddlFormPortletDisplayContext = (DDMFormDisplayContext) renderRequest .getAttribute(WebKeys.PORTLET_DISPLAY_CONTEXT); checkFormIsNotRestricted(renderRequest, renderResponse, ddlFormPortletDisplayContext); } catch (Exception e) { if (isSessionErrorException(e)) { if (_log.isWarnEnabled()) { _log.warn(e, e); } hideDefaultErrorMessage(renderRequest); SessionErrors.add(renderRequest, e.getClass()); } else { throw new PortletException(e); } } super.render(renderRequest, renderResponse); } protected void checkFormIsNotRestricted(RenderRequest renderRequest, RenderResponse renderResponse, DDMFormDisplayContext ddlFormDisplayContext) throws PortalException { ThemeDisplay themeDisplay = (ThemeDisplay) renderRequest.getAttribute(WebKeys.THEME_DISPLAY); DDMFormInstance formInstance = ddlFormDisplayContext.getFormInstance(); if (formInstance == null) { return; } DDMFormInstanceSettings formInstanceSettings = formInstance.getSettingsModel(); Layout layout = themeDisplay.getLayout(); if (formInstanceSettings.requireAuthentication() && !layout.isPrivateLayout()) { throw new PrincipalException.MustBeAuthenticated(themeDisplay.getUserId()); } } protected Throwable getRootCause(Throwable throwable) { while (throwable.getCause() != null) { throwable = throwable.getCause(); } return throwable; } @Override protected boolean isSessionErrorException(Throwable cause) { return false; } protected void saveParametersInSession(ActionRequest actionRequest) { long formInstanceId = ParamUtil.getLong(actionRequest, "formInstanceId"); if (formInstanceId > 0) { PortletSession portletSession = actionRequest.getPortletSession(); portletSession.setAttribute("formInstanceId", formInstanceId); portletSession.setAttribute("shared", Boolean.TRUE); } } protected void setRenderRequestAttributes(RenderRequest renderRequest, RenderResponse renderResponse) throws PortalException { DDMFormDisplayContext ddlFormDisplayContext = new DDMFormDisplayContext(renderRequest, renderResponse, _ddmFormInstanceService, _ddmFormInstanceRecordVersionLocalService, _ddmFormRenderer, _ddmFormValuesFactory, _ddmFormValuesMerger, _workflowDefinitionLinkLocalService); renderRequest.setAttribute(WebKeys.PORTLET_DISPLAY_CONTEXT, ddlFormDisplayContext); } private static final Log _log = LogFactoryUtil.getLog(DDMFormPortlet.class); @Reference private AddDefaultSharedFormLayoutPortalInstanceLifecycleListener _addDefaultSharedFormLayoutPortalInstanceLifecycleListener; @Reference private DDMFormInstanceRecordVersionLocalService _ddmFormInstanceRecordVersionLocalService; @Reference private DDMFormInstanceService _ddmFormInstanceService; @Reference private DDMFormRenderer _ddmFormRenderer; @Reference private DDMFormValuesFactory _ddmFormValuesFactory; @Reference private DDMFormValuesMerger _ddmFormValuesMerger; @Reference private Portal _portal; @Reference private WorkflowDefinitionLinkLocalService _workflowDefinitionLinkLocalService; }