Java tutorial
/*---------------- FILE HEADER KALYPSO ------------------------------------------ * * This file is part of kalypso. * Copyright (C) 2004 by: * * Technical University Hamburg-Harburg (TUHH) * Institute of River and coastal engineering * Denickestrae 22 * 21073 Hamburg, Germany * http://www.tuhh.de/wb * * and * * Bjoernsen Consulting Engineers (BCE) * Maria Trost 3 * 56070 Koblenz, Germany * http://www.bjoernsen.de * * 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. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Contact: * * E-Mail: * belger@bjoernsen.de * schlienger@bjoernsen.de * v.doemming@tuhh.de * * ---------------------------------------------------------------------------*/ package org.kalypso.kalypsomodel1d2d.sim; import java.net.MalformedURLException; import java.net.URI; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import net.opengeospatial.wps.IOValueType.ComplexValueReference; import org.kalypso.commons.io.VFSUtilities; import org.kalypso.commons.vfs.FileSystemManagerWrapper; import org.apache.commons.vfs2.FileObject; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.SubMonitor; import org.kalypso.contribs.eclipse.core.runtime.StatusUtilities; import org.kalypso.kalypsomodel1d2d.sim.i18n.Messages; import org.kalypso.service.wps.refactoring.AsynchronousWPSWatchdog; import org.kalypso.service.wps.refactoring.DefaultWPSProcess; import org.kalypso.service.wps.refactoring.IWPSObserver; import org.kalypso.service.wps.refactoring.IWPSProcess; /** * @author ig * */ public class ExecuteTelemacKalypsoSimulation { private final String m_serviceEndpoint; private final IWPSObserver m_wpsObserver; private final Map<String, Object> m_inputs; // this manager is closed when the results dir is not needed anymore private FileSystemManagerWrapper m_manager; private FileObject m_resultsDir; private IWPSProcess m_wpsRequest; /** * Create execute request to TelemacKalypsoSimulation WPS * * @throws URISyntaxException * if any of the inputs is not a valid URI */ public ExecuteTelemacKalypsoSimulation(final String serviceEndpoint, final IWPSObserver wpsObserver, final String pStrExe, final URI pTelemacModelPath) { m_serviceEndpoint = serviceEndpoint; m_wpsObserver = wpsObserver; m_inputs = createInputs(pStrExe, pTelemacModelPath); } public IStatus run(final IProgressMonitor monitor) { final SubMonitor progress = SubMonitor.convert(monitor, 100); try { final List<String> outputs = new ArrayList<>(); outputs.add(TelemacKalypsoSimulation.OUTPUT_RESULTS); // run the simulation m_manager = VFSUtilities.getNewManager(); m_wpsRequest = new DefaultWPSProcess(TelemacKalypsoSimulation.ID, m_serviceEndpoint, m_manager); m_wpsRequest.startProcess(m_inputs, outputs, progress); // final AsynchronousWPSWatchdog swanWatchdog = new AsynchronousWPSWatchdog( m_wpsRequest, m_wpsObserver, 60 * 60 * 1000 ); final AsynchronousWPSWatchdog swanWatchdog = new AsynchronousWPSWatchdog(m_wpsRequest, m_wpsObserver, 0); final IStatus executeStatus = swanWatchdog.waitForProcess(progress); return executeStatus; } catch (final CoreException e) { return StatusUtilities.statusFromThrowable(e, Messages.getString("org.kalypso.kalypsomodel1d2d.sim.TelemacCalculation.22")); //$NON-NLS-1$ } // catch( final FileSystemException e ) // { // return StatusUtilities.statusFromThrowable( e, Messages.getString( "org.kalypso.kalypsomodel1d2d.sim.TelemacCalculation.3" ) ); //$NON-NLS-1$ // } catch (org.apache.commons.vfs2.FileSystemException e) { // e.printStackTrace(); return StatusUtilities.statusFromThrowable(e, Messages.getString("org.kalypso.kalypsomodel1d2d.sim.TelemacCalculation.3")); //$NON-NLS-1$ } } /** * Return results dir if it is already available, null otherwise. <br> * It is the caller's responsibility to close the {@link FileSystemManagerWrapper} of the results dir. <br> * * @see VFSUtilities#getNewManager() * * @throws Exception * if something goes wrong parsing the execute response or resolving the results dir */ public FileObject getResultsDir() throws Exception { if (m_resultsDir == null) { // try to resolve results dir final Object[] resultArray = m_wpsRequest.getResult(TelemacKalypsoSimulation.OUTPUT_RESULTS); if (resultArray == null) return null; final ComplexValueReference complexValueReference = (ComplexValueReference) resultArray[0]; final String resultsDirReference = complexValueReference.getReference(); m_resultsDir = m_manager.resolveFile(resultsDirReference); } return m_resultsDir; } private Map<String, Object> createInputs(final String pStrExe, final URI pTelemacModelPath) { final Map<String, Object> inputs = new HashMap<>(); try { inputs.put(PreTelemacKalypso.CALC_CORE_EXE, pStrExe); inputs.put(PreTelemacKalypso.OUTPUT_PATH_Telemac, pTelemacModelPath.toURL().toExternalForm()); } catch (MalformedURLException e) { e.printStackTrace(); } return inputs; } public final IWPSProcess getWpsRequest() { return m_wpsRequest; } }