Java tutorial
/*--------------- Kalypso-Header -------------------------------------------------------------------- This file is part of kalypso. Copyright (C) 2004, 2005 by: Technical University Hamburg-Harburg (TUHH) Institute of River and coastal engineering Denickestr. 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.ui.editorLauncher; import java.io.IOException; import java.io.StringWriter; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBElement; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; import org.apache.commons.io.FilenameUtils; import org.eclipse.core.resources.IFile; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.Path; import org.eclipse.ui.IEditorDescriptor; import org.eclipse.ui.IEditorInput; import org.eclipse.ui.IEditorRegistry; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.PlatformUI; import org.kalypso.commons.bind.JaxbUtilities; import org.kalypso.contribs.eclipse.core.resources.StringStorage; import org.kalypso.contribs.eclipse.core.runtime.StatusUtilities; import org.kalypso.contribs.eclipse.ui.editorinput.StorageEditorInput; import org.kalypso.core.jaxb.TemplateUtilities; import org.kalypso.template.gismapview.Gismapview; import org.kalypso.template.gismapview.Gismapview.Layers; import org.kalypso.template.types.ExtentType; import org.kalypso.template.types.LayerTypeUtilities; import org.kalypso.template.types.ObjectFactory; import org.kalypso.template.types.StyledLayerType; import org.kalypso.ui.internal.i18n.Messages; /** * Launcher, um ein GML im Baum (GmlEditor) anzusehen. * * @author belger */ public class GisMapEditorTemplateLauncher implements IDefaultTemplateLauncher { /** * @see org.kalypso.ui.editorLauncher.IDefaultTemplateLauncher#getFilename() */ @Override public String getFilename() { return "<Standard Kartenansicht>.gmt"; //$NON-NLS-1$ } /** * @see org.kalypso.ui.editorLauncher.IDefaultTemplateLauncher#getEditor() */ @Override public IEditorDescriptor getEditor() { final IWorkbench workbench = PlatformUI.getWorkbench(); final IEditorRegistry editorRegistry = workbench.getEditorRegistry(); return editorRegistry.findEditor("org.kalypso.ui.editor.mapeditor.GisMapEditor"); //$NON-NLS-1$ } /** * @see org.kalypso.ui.editorLauncher.IDefaultTemplateLauncher#createInput(org.eclipse.core.resources.IFile) */ @Override public IEditorInput createInput(final IFile file) throws CoreException { final org.kalypso.template.gismapview.ObjectFactory gisMapFactory = new org.kalypso.template.gismapview.ObjectFactory(); final JAXBContext jc = JaxbUtilities.createQuiet(org.kalypso.template.gismapview.ObjectFactory.class); try { if ("gml".equalsIgnoreCase(file.getProjectRelativePath().getFileExtension())) //$NON-NLS-1$ throw new CoreException(StatusUtilities.createWarningStatus( Messages.getString("org.kalypso.ui.editorLauncher.GisMapEditorTemplateLauncher.3"))); //$NON-NLS-1$ final StyledLayerType layer = new ObjectFactory().createStyledLayerType(); LayerTypeUtilities.initLayerType(layer, file, null); layer.setVisible(true); layer.setName(file.getName()); layer.setFeaturePath("featureMember"); //$NON-NLS-1$ final Layers layers = gisMapFactory.createGismapviewLayers(); final JAXBElement<StyledLayerType> layerType = TemplateUtilities.OF_GISMAPVIEW.createLayer(layer); layers.getLayer().add(layerType); layers.setActive(layer); final ExtentType extent = new ObjectFactory().createExtentType(); extent.setRight(0.0); extent.setLeft(0.0); extent.setBottom(0.0); extent.setTop(0.0); final Gismapview gismapview = gisMapFactory.createGismapview(); gismapview.setLayers(layers); gismapview.setExtent(extent); final Marshaller marshaller = JaxbUtilities.createMarshaller(jc); marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE); final StringWriter w = new StringWriter(); marshaller.marshal(gismapview, w); w.close(); final String string = w.toString(); // als StorageInput zurckgeben final String basename = FilenameUtils.removeExtension(file.getName()); final String gftName = basename + ".gmt"; //$NON-NLS-1$ final IFile gftFile = file.getParent().getFile(new Path(gftName)); final IPath fullPath = gftFile.getFullPath(); return new StorageEditorInput(new StringStorage(string, fullPath)); } catch (final JAXBException e) { throw new CoreException(StatusUtilities.statusFromThrowable(e)); } catch (final IOException e) { throw new CoreException(StatusUtilities.statusFromThrowable(e)); } } }