org.kalypso.ui.editorLauncher.GmlEditorTemplateLauncher.java Source code

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Here is the source code for org.kalypso.ui.editorLauncher.GmlEditorTemplateLauncher.java

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/*--------------- 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 java.net.URL;

import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;

import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.CharEncoding;
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.IStorageEditorInput;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.kalypso.contribs.eclipse.core.resources.ResourceUtilities;
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.gistreeview.Gistreeview;
import org.kalypso.template.types.LayerType;
import org.kalypso.template.types.LayerTypeUtilities;
import org.kalypso.template.types.ObjectFactory;

/**
 * Launcher, um ein GML im Baum (GmlEditor) anzusehen.
 * 
 * @author belger
 */
public class GmlEditorTemplateLauncher implements IDefaultTemplateLauncher {
    /**
     * @see org.kalypso.ui.editorLauncher.IDefaultTemplateLauncher#getFilename()
     */
    @Override
    public String getFilename() {
        return "<Standard Baumansicht>.gmv"; //$NON-NLS-1$
    }

    /**
     * @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.GmlEditor"); //$NON-NLS-1$
    }

    /**
     * @see org.kalypso.ui.editorLauncher.IDefaultTemplateLauncher#createInput(org.eclipse.core.resources.IFile)
     */
    @Override
    public IEditorInput createInput(final IFile file) throws CoreException {
        return createInputForGml(file);
    }

    public static IStorageEditorInput createInputForGml(final IFile file) throws CoreException {
        try {
            final ObjectFactory typesFac = new ObjectFactory();

            final URL context = ResourceUtilities.createURL(file.getParent());

            final LayerType type = typesFac.createLayerType();
            LayerTypeUtilities.initLayerType(type, file, context);

            final Gistreeview gistreeview = TemplateUtilities.OF_GISTREEVIEW.createGistreeview();
            gistreeview.setInput(type);

            final Marshaller marshaller = TemplateUtilities.createGistreeviewMarshaller(CharEncoding.UTF_8);
            final StringWriter w = new StringWriter();
            marshaller.marshal(gistreeview, w);
            w.close();

            final String string = w.toString();

            // als StorageInput zurckgeben
            final String basename = FilenameUtils.removeExtension(file.getName());
            final String gmvName = basename + ".gmv"; //$NON-NLS-1$
            final IFile gmvFile = file.getParent().getFile(new Path(gmvName));
            final IPath fullPath = gmvFile.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));
        }
    }

}