| gvSIG desktop 1

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* 

* This program 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 General Public License for more details.

* 

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2009 {Iver T.I.}   {Task}

*/

package org.gvsig.daltransform.impl;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.daltransform.CreateWizardException;

import org.gvsig.daltransform.DataTransformManager;

import org.gvsig.daltransform.NotRegisteredTransformException;

import org.gvsig.daltransform.swing.DataTransformGui;

import org.gvsig.daltransform.swing.DataTransformWizard;

import org.gvsig.daltransform.swing.JDataTransformList;

import org.gvsig.daltransform.swing.JDialogDataTransformList;

import org.gvsig.daltransform.swing.impl.DefaultJDataTransformList;

import org.gvsig.daltransform.swing.impl.DefaultJDialogDataTransformList;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class DefaultDataTransformManager implements DataTransformManager{

        private static final String TRANSFORM_GUI_EXTENSION_POINT = "TransformGuiExtensionPoint";

        private static final String TRANSFORM_WIZARD_EXTENSION_POINT = "TransformWizardExtensionPoint";

        private static final String TRANSFORM_WIZARD_NAME = "Wizard";

        private static final Logger logger = LoggerFactory.getLogger(DefaultDataTransformManager.class);

        private ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

        /*

         * (non-Javadoc)

         * @see org.gvsig.feature.transform.FeatureTransformManager#registerFeatureTransform(java.lang.String, java.lang.Class)

         */

        public void registerDataTransform(String name,

                        Class<?> featureTransformPage) {

                if (!DataTransformGui.class.isAssignableFrom(featureTransformPage)) {

                        throw new IllegalArgumentException(featureTransformPage.getName()

                                        + " must implement the DataTransformGui interface");

                }

                ExtensionPoint extensionPoint = extensionPoints.add(TRANSFORM_GUI_EXTENSION_POINT, "");

                extensionPoint.append(name, name, featureTransformPage);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.feature.transform.FeatureTransformManager#getFeatureTransforms()

         */

        @SuppressWarnings("unchecked")

    public List<DataTransformGui> getDataTransforms() {

                List<DataTransformGui> transformArray = new ArrayList<DataTransformGui>();

                ExtensionPoint ep = extensionPoints.add(TRANSFORM_GUI_EXTENSION_POINT);

                Iterator<ExtensionPoint.Extension> iterator = ep.iterator();

                while (iterator.hasNext()) {

                        try {                                

                                transformArray.add((DataTransformGui)((ExtensionPoint.Extension) iterator

                                                .next()).create());                                

                        } catch (Exception e) {

                                logger.error("Error creating a FeatureTranformationGui", e);

                        } 

                }

                return transformArray;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.app.daltransform.DataTransformManager#createWizard()

         */

        public DataTransformWizard createWizard() throws CreateWizardException {

                ExtensionPoint ep = extensionPoints.add(TRANSFORM_WIZARD_EXTENSION_POINT);

                try {

                        return (DataTransformWizard)ep.create(TRANSFORM_WIZARD_NAME);                        

                } catch (Exception e) {

                        throw new CreateWizardException(e);

                }        

        }

        /* (non-Javadoc)

         * @see org.gvsig.app.daltransform.DataTransformManager#registerDataTransformWizard(java.lang.String, java.lang.Class)

         */

        public void registerDataTransformWizard(Class<?> dataTransformWizard) {

                if (!DataTransformWizard.class.isAssignableFrom(dataTransformWizard)) {

                        throw new IllegalArgumentException(dataTransformWizard.getName()

                                        + " must implement the DataTransformWizard interface");

                }

                ExtensionPoint extensionPoint = extensionPoints.add(TRANSFORM_WIZARD_EXTENSION_POINT, "");

                extensionPoint.append(TRANSFORM_WIZARD_NAME, "", dataTransformWizard);

        }

        /* (non-Javadoc)

         * @see org.gvsig.app.daltransform.DataTransformManager#createWizard(java.lang.String)

         */

        public DataTransformWizard createWizard(String transformName)

                        throws CreateWizardException {

                ExtensionPoint ep = extensionPoints.add(TRANSFORM_GUI_EXTENSION_POINT);

                try {

                        Object obj = ep.create(transformName);

                        if (obj == null){

                                throw new NotRegisteredTransformException(transformName);

                        }

                        DataTransformGui dataTransformGui = (DataTransformGui)obj;

                        DataTransformWizard wizard = createWizard();

                        wizard.setDataTransformGui(dataTransformGui);

                        return wizard;

                } catch (Exception e) {

                        throw new CreateWizardException(e);

                }                 

        }

    public JDataTransformList createJDataTransformList(FeatureStore featureStore) {

        return new DefaultJDataTransformList(featureStore);

    }

    public JDialogDataTransformList createJDialogDataTransformList() {

        return new DefaultJDialogDataTransformList();

    }

//    public JDialogDataTransformList createJDialogDataTransformList(

//        FeatureStore featureStore) {

//        return new DefaultJDialogDataTransformList(featureStore);

//    }

}