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 2006 - 2008 Pentaho Corporation. All rights reserved. * * Created Mar 9, 2006 * @author wseyler */ package org.pentaho.platform.uifoundation.component.xml; import java.util.Iterator; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.dom4j.Document; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.pentaho.platform.api.engine.IPentahoSession; import org.pentaho.platform.api.engine.IPentahoUrlFactory; import org.pentaho.platform.api.repository.ISolutionRepository; import org.pentaho.platform.engine.core.system.PentahoSystem; import org.pentaho.platform.repository.solution.dbbased.DbBasedSolutionRepository; import org.pentaho.platform.uifoundation.messages.Messages; public class LoadDBRepositoryUIComponent extends XmlComponent { private static final String PATH_STR = "path"; //$NON-NLS-1$ private static final String ROOT = "root"; //$NON-NLS-1$ private static final String RESULT = "result"; //$NON-NLS-1$ private static final String TYPE_ATTRIBUTE = "result-type"; //$NON-NLS-1$ private static final String SUCCESS = "success"; //$NON-NLS-1$ private static final String FAILURE = "failed"; //$NON-NLS-1$ private static final String SHOW_INPUT = "show-input"; //$NON-NLS-1$ private static final String ORPHANED = "orphaned-files"; //$NON-NLS-1$ private static final String FILENAME = "file-name"; //$NON-NLS-1$ private static final String ORPHANHANDLING = "orphan-handling"; //$NON-NLS-1$ private static final String PATHTITLE = "path-title"; //$NON-NLS-1$ private static final String DELETETITLE = "delete-title"; //$NON-NLS-1$ IPentahoSession session = null; private static final Log logger = LogFactory.getLog(LoadDBRepositoryUIComponent.class); private static final long serialVersionUID = 1L; public LoadDBRepositoryUIComponent(final IPentahoUrlFactory urlFactory, final List messages, final IPentahoSession session) { super(urlFactory, messages, null); this.session = session; setXsl("text/html", "LoadDBRepository.xsl"); //$NON-NLS-1$ //$NON-NLS-2$ setXslProperty("baseUrl", urlFactory.getDisplayUrlBuilder().getUrl()); //$NON-NLS-1$ } private Document doLoad(final String solutionRoot, final boolean deleteOrphans) { Document document = DocumentHelper.createDocument(); document.setName(LoadDBRepositoryUIComponent.PATH_STR); Element root = document.addElement(LoadDBRepositoryUIComponent.ROOT); Element result = root.addElement(LoadDBRepositoryUIComponent.RESULT); boolean usingDbRepository = true; try { ISolutionRepository repository = PentahoSystem.get(ISolutionRepository.class, session); if (!(repository instanceof DbBasedSolutionRepository)) { usingDbRepository = false; repository = new DbBasedSolutionRepository(); } List orphanedFiles = ((DbBasedSolutionRepository) repository).loadSolutionFromFileSystem(this.session, solutionRoot, deleteOrphans); result.addAttribute(LoadDBRepositoryUIComponent.TYPE_ATTRIBUTE, LoadDBRepositoryUIComponent.SUCCESS); if (usingDbRepository) { result.addText(Messages.getString("LoadDBRepositoryUIComponent.INFO_0001_SUCCESS")); //$NON-NLS-1$ } else { result.addText(Messages.getString("LoadDBRepositoryUIComponent.INFO_0002_SUCCESS_NEED_CONFIG")); //$NON-NLS-1$ } if ((orphanedFiles != null) && (orphanedFiles.size() > 0)) { Iterator iter = orphanedFiles.iterator(); Element orphans = result.addElement(LoadDBRepositoryUIComponent.ORPHANED); orphans.addElement(LoadDBRepositoryUIComponent.ORPHANHANDLING) .addText(deleteOrphans ? Messages.getString("LoadDBRepositoryUIComponent.INFO_0004_ORPHANED_DELETED") //$NON-NLS-1$ : Messages.getString("LoadDBRepositoryUIComponent.INFO_0005_ORPHANED_IGNORED")); //$NON-NLS-1$ while (iter.hasNext()) { orphans.addElement(LoadDBRepositoryUIComponent.FILENAME).addText(((String) iter.next())); } } } catch (Exception e) { result.addAttribute(LoadDBRepositoryUIComponent.TYPE_ATTRIBUTE, LoadDBRepositoryUIComponent.FAILURE); result.addText(Messages.getString("LoadDBRepositoryUIComponent.ERROR_0001_LOAD_ERROR") + solutionRoot); //$NON-NLS-1$ e.printStackTrace(); } return document; } protected Document showInputPage() { Document document = DocumentHelper.createDocument(); document.setName(LoadDBRepositoryUIComponent.PATH_STR); Element root = document.addElement(LoadDBRepositoryUIComponent.RESULT); root.addAttribute(LoadDBRepositoryUIComponent.TYPE_ATTRIBUTE, LoadDBRepositoryUIComponent.SHOW_INPUT); root.addElement(LoadDBRepositoryUIComponent.PATHTITLE) .addText(Messages.getString("LoadDBRepositoryUIComponent.INFO_0003_ENTER_PATH")); //$NON-NLS-1$ root.addElement(LoadDBRepositoryUIComponent.DELETETITLE) .addText(Messages.getString("LoadDBRepositoryUIComponent.INFO_0006_DELETE_ORPHANS_TITLE")); //$NON-NLS-1$ return document; } @Override public Document getXmlContent() { String solutionRoot = getParameter(LoadDBRepositoryUIComponent.PATH_STR, null); if ((solutionRoot == null) || (solutionRoot.length() < 1)) { return showInputPage(); } else { boolean deleteOrphans = "on".equalsIgnoreCase(getParameter("delete", "off")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ return doLoad(solutionRoot, deleteOrphans); } } @Override public Log getLogger() { return LoadDBRepositoryUIComponent.logger; } @Override public boolean validate() { return true; } }