Java tutorial
/////////////////////////////////////////////////////////////////////////////// // // PACKAGE : com.astra.ses.spell.gui.model.jobs // // FILE : BuildDirectoryTreeJob.java // // DATE : Feb 8, 2012 // // Copyright (C) 2008, 2012 SES ENGINEERING, Luxembourg S.A.R.L. // // By using this software in any way, you are agreeing to be bound by // the terms of this license. // // All rights reserved. This program and the accompanying materials // are made available under the terms of the Eclipse Public License v1.0 // which accompanies this distribution, and is available at // http://www.eclipse.org/legal/epl-v10.html // // NO WARRANTY // EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED // ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER // EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR // CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A // PARTICULAR PURPOSE. Each Recipient is solely responsible for determining // the appropriateness of using and distributing the Program and assumes all // risks associated with its exercise of rights under this Agreement , // including but not limited to the risks and costs of program errors, // compliance with applicable laws, damage to or loss of data, programs or // equipment, and unavailability or interruption of operations. // // DISCLAIMER OF LIABILITY // EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY // CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION // LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE // EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGES. // // Contributors: // SES ENGINEERING - initial API and implementation and/or initial documentation // // PROJECT : SPELL // /////////////////////////////////////////////////////////////////////////////// package com.astra.ses.spell.gui.model.jobs; import java.lang.reflect.InvocationTargetException; import java.util.List; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.jface.operation.IRunnableWithProgress; import com.astra.ses.spell.gui.core.interfaces.IFileManager; import com.astra.ses.spell.gui.core.interfaces.ServiceManager; import com.astra.ses.spell.gui.core.model.server.DirectoryTree; import com.astra.ses.spell.gui.core.model.types.Level; import com.astra.ses.spell.gui.core.utils.Logger; import com.astra.ses.spell.gui.model.commands.CommandResult; public class BuildDirectoryTreeJob implements IRunnableWithProgress { public CommandResult result; public DirectoryTree tree; public BuildDirectoryTreeJob() { tree = null; } @Override public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { try { result = CommandResult.NO_EFFECT; monitor.setTaskName("Retrieving server data files information"); IFileManager fileMgr = (IFileManager) ServiceManager.get(IFileManager.class); tree = new DirectoryTree("Data directories", "$SPELL_DATA"); List<String> dataDirs = fileMgr.getDataDirectories(); if (monitor.isCanceled()) { result = CommandResult.CANCELLED; return; } monitor.beginTask("Reading directory contents", dataDirs.size()); for (String dataDir : dataDirs) { if (dataDir.endsWith("/")) dataDir = dataDir.substring(0, dataDir.length() - 1); int idx = dataDir.lastIndexOf("/"); DirectoryTree subdir = new DirectoryTree(tree, dataDir.substring(idx + 1), dataDir); subdir.getTreeFromServer(monitor); if (monitor.isCanceled()) { result = CommandResult.CANCELLED; return; } tree.addDirectory(subdir); } if (!monitor.isCanceled()) { result = CommandResult.SUCCESS; } } catch (Exception e) { e.printStackTrace(); Logger.error("Could retrieve data file information:" + e.getLocalizedMessage(), Level.PROC, this); result = CommandResult.FAILED; } monitor.done(); } }