Java tutorial
/*! * * 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. * * You should have received a copy of the GNU General Public License along with this * program; if not, you can obtain a copy at http://www.gnu.org/licenses/gpl-2.0.html * or from the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * This program 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 General Public License for more details. * * * Copyright (c) 2002-2018 Hitachi Vantara. All rights reserved. * */ package org.pentaho.platform.uifoundation.component.xml; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.dom4j.Document; import org.dom4j.DocumentHelper; import org.dom4j.Node; import org.pentaho.platform.api.engine.IActionSequence; import org.pentaho.platform.api.engine.IPentahoUrlFactory; import org.pentaho.platform.api.engine.ISolutionActionDefinition; import org.pentaho.platform.api.repository2.unified.RepositoryFilePermission; import org.pentaho.platform.engine.core.solution.ActionInfo; import org.pentaho.platform.engine.services.ActionSequenceJCRHelper; import org.pentaho.platform.engine.services.SolutionURIResolver; import org.pentaho.platform.uifoundation.messages.Messages; import org.pentaho.platform.util.xml.XForm; import java.io.File; import java.util.List; public class InputFormComponent extends XmlComponent { /** * */ private static final long serialVersionUID = -6106477602576378538L; String templateName; String stylesheetName; String solution; String path; String actionName; String instanceId; public InputFormComponent(final IPentahoUrlFactory urlFactory, final String instanceId, final String templateName, final String stylesheetName, final String solution, final String path, final String actionName, final List messages) { super(urlFactory, messages, solution + File.separator + path); this.instanceId = instanceId; this.templateName = templateName; this.stylesheetName = stylesheetName; this.solution = solution; this.path = path; this.actionName = actionName; } private static final Log logger = LogFactory.getLog(InputFormComponent.class); @Override public Log getLogger() { return InputFormComponent.logger; } @Override public boolean validate() { boolean ok = true; if (solution == null) { error(Messages.getInstance().getString("InputForm.ERROR_0001_SOLUTION_NOT_SPECIFIED")); //$NON-NLS-1$ ok = false; } if (path == null) { error(Messages.getInstance().getString("InputForm.ERROR_0002_ACTION_NAME_NOT_SPECIFIED")); //$NON-NLS-1$ ok = false; } if (actionName == null) { // TODO log this error(Messages.getInstance().getString("InputForm.ERROR_0003_ACTION_PATH_NOT_SPECIFIED")); //$NON-NLS-1$ ok = false; } return ok; } /* * (non-Javadoc) * * @see org.pentaho.core.ui.component.BaseUIComponent#getXmlContent() */ @Override public Document getXmlContent() { ActionSequenceJCRHelper actionHelper = new ActionSequenceJCRHelper(getSession()); IActionSequence actionSequence = actionHelper.getActionSequence( ActionInfo.buildSolutionPath(solution, path, actionName), getLoggingLevel(), RepositoryFilePermission.READ); if (actionSequence == null) { // TODO log this error(Messages.getInstance().getString("InputForm.ERROR_0004_ACTION_NOT_FOUND") + solution + path //$NON-NLS-1$ + actionName); return null; } List actions = actionSequence.getActionDefinitionsAndSequences(); ISolutionActionDefinition action = (ISolutionActionDefinition) actions.get(0); Node node = action.getComponentSection(); if (node == null) { error(Messages.getInstance().getString("InputForm.ERROR_0005_INBOX_DEFINITION_MISSING") + solution //$NON-NLS-1$ + path + actionName); return null; } if (templateName == null) { // see if the template is specified in the action document Node templateNode = node.selectSingleNode("//template"); //$NON-NLS-1$ if (templateNode != null) { templateName = templateNode.getText(); } if (templateName == null) { error(Messages.getInstance().getString("InputForm.ERROR_0006_TEMPLATE_NOT_SPECIFIED")); //$NON-NLS-1$ return null; } } Node xFormNode = node.selectSingleNode("//xForm"); //$NON-NLS-1$ try { String actionTitle = actionSequence.getTitle(); if (actionTitle != null) { setXslProperty("title", actionTitle); //$NON-NLS-1$ } String description = actionSequence.getDescription(); if (description != null) { setXslProperty("description", description); //$NON-NLS-1$ } String xFormHtml = XForm.transformSnippet(xFormNode, getSession(), new SolutionURIResolver()); if (xFormHtml == null) { error(Messages.getInstance().getString("InputForm.ERROR_0007_INBOX_DEFINITION_INVALID") + solution //$NON-NLS-1$ + path + actionName); return null; } Document document = DocumentHelper.parseText(xFormHtml); Node xFormHtmlNode = document.selectSingleNode("//xForm"); //$NON-NLS-1$ setXslProperty("xForm", xFormHtmlNode.asXML()); //$NON-NLS-1$ if ((stylesheetName != null) && !"".equals(stylesheetName)) { //$NON-NLS-1$ setXslProperty("css", stylesheetName); //$NON-NLS-1$ } setXsl("text/html", templateName); //$NON-NLS-1$ return document; } catch (Exception e) { return null; } } }