Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3 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.

 *

 * For any additional information, do not hesitate to contact us at info AT

 * gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.dal.resource.file;

import java.io.File;

import org.gvsig.fmap.dal.resource.spi.AbstractResourceParameters;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.DataTypes;

import org.gvsig.tools.dynobject.DelegatedDynObject;

import org.gvsig.tools.dynobject.DynClass;

import org.gvsig.tools.persistence.PersistenceManager;

public class FileResourceParameters extends AbstractResourceParameters {

    public static final String DYNCLASS_NAME = "FileResourceParameters";

    private static final String DYNFIELDNAME_FILE = "file";

    private DelegatedDynObject delegatedDynObject;

    public FileResourceParameters() {

        this.delegatedDynObject = (DelegatedDynObject) ToolsLocator

                .getDynObjectManager()

                .createDynObject(registerDynClass());

    }

    public FileResourceParameters(Object[] params) {

        this();

        // XXX puede que sobre

        setDynValue(DYNFIELDNAME_FILE, params[0]);

    }

    public FileResourceParameters(String name) {

        this();

        setDynValue(DYNFIELDNAME_FILE, name);

    }

    public String getFileName() {

        if (this.getFile() == null) {

            return null;

        }

        return this.getFile().getPath();

    }

    public FileResourceParameters setFileName(String fileName) {

        this.setDynValue(DYNFIELDNAME_FILE, fileName);

        return this;

    }

    public File getFile() {

        return (File) this.getDynValue(DYNFIELDNAME_FILE);

    }

    public FileResourceParameters setFile(File file) {

        this.setDynValue(DYNFIELDNAME_FILE, file);

        return this;

    }

    public FileResourceParameters setFile(String fileName) {

        this.setDynValue(DYNFIELDNAME_FILE, fileName);

        return this;

    }

    @Override

    public String getTypeName() {

        return FileResource.NAME;

    }

    @Override

    protected DelegatedDynObject getDelegatedDynObject() {

        return delegatedDynObject;

    }

    /**

     * Added "static synchronized" because sometimes there is a

     * "DuplicateDynClassException" when user selects more than one file (SHP,

     * for example) to be added to the view. "definition" is null but then there

     * is an exception because in the meantime another thread has registered it

     * (I'm not sure this is the cause, but I cannot imagine another reason)

     */

    private static synchronized DynClass registerDynClass() {

        PersistenceManager manager = ToolsLocator.getPersistenceManager();

        DynClass definition = (DynClass) manager.getDefinition(DYNCLASS_NAME);

        if (definition == null) {

            definition = (DynClass) manager.addDefinition(

                    FileResourceParameters.class,

                    DYNCLASS_NAME,

                    DYNCLASS_NAME + " persistence definition",

                    null,

                    null

            );

            definition.addDynField(DYNFIELDNAME_FILE).setType(DataTypes.FILE)

                    .setDescription("The file");

        }

        return definition;

    }

}