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.zml.ui.chart.grafik; import java.net.URI; import java.net.URL; import org.apache.commons.lang3.StringUtils; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IWorkspaceRoot; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.URIUtil; import org.eclipse.ui.actions.WorkspaceModifyOperation; import org.kalypso.contribs.eclipse.core.resources.ResourceUtilities; import org.kalypso.ogc.sensor.IObservation; import org.kalypso.ogc.sensor.SensorException; import org.kalypso.ogc.sensor.diagview.DiagView; import org.kalypso.ogc.sensor.diagview.DiagViewUtils; import org.kalypso.ogc.sensor.diagview.grafik.GrafikLauncher; import org.kalypso.ogc.sensor.provider.PlainObsProvider; import org.kalypso.ogc.sensor.template.ObsView; import org.kalypso.template.obsdiagview.Obsdiagview; import org.kalypso.zml.ui.KalypsoZmlUI; import org.kalypso.zml.ui.i18n.Messages; /** * @author Gernot Belger */ public class OpenDiagramInGrafikExeOperation extends WorkspaceModifyOperation { private final IObservation[] m_observations; public OpenDiagramInGrafikExeOperation(final IObservation[] observations) { m_observations = observations; } @Override protected void execute(final IProgressMonitor monitor) throws CoreException { try { IFolder tempFolder = null; final DiagView diagView = new DiagView(StringUtils.EMPTY, "no legend", false); //$NON-NLS-1$ for (final IObservation observation : m_observations) { diagView.addObservation(new PlainObsProvider(observation, null), observation.getName(), ObsView.DEFAULT_ITEM_DATA); if (tempFolder == null) tempFolder = getTempFolder(observation.getHref()); } final Obsdiagview odt = DiagViewUtils.buildDiagramTemplateXML(diagView, null); final IStatus status = GrafikLauncher.startGrafikODT(Messages.OpenDiagramInGrafikExeOperation_0, odt, tempFolder, monitor); if (!status.isOK()) throw new CoreException(status); } catch (final SensorException e) { e.printStackTrace(); final IStatus status = new Status(IStatus.ERROR, KalypsoZmlUI.PLUGIN_ID, Messages.OpenDiagramInGrafikExeOperation_1, e); throw new CoreException(status); } } private IFolder getTempFolder(final String href) throws CoreException { try { final IPath grafikPath = Path.fromOSString("grafik"); //$NON-NLS-1$ final URI uri = URIUtil.fromString(href); final URL url = uri.toURL(); final IFile eclipseFile = ResourceUtilities.findFileFromURL(url); if (eclipseFile != null) return eclipseFile.getParent().getFolder(grafikPath); final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); final IFile[] files = root.findFilesForLocationURI(uri); for (final IFile file : files) { final IFolder folder = (IFolder) file.getParent(); return folder.getFolder(grafikPath); } return null; } catch (final Exception e) { final IStatus status = new Status(IStatus.ERROR, KalypsoZmlUI.PLUGIN_ID, Messages.OpenDiagramInGrafikExeOperation_2, e); throw new CoreException(status); } } }