Application: gvSIG desktop

/* 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):

* 2008 IVER T.I   {{Task}}

*/

/**

 *

 */

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

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.text.MessageFormat;

import org.gvsig.fmap.data.exceptions.InitializeException;

import org.gvsig.fmap.data.resource.ResourceParameters;

import org.gvsig.fmap.data.resource.exception.AccessResourceException;

import org.gvsig.fmap.data.resource.exception.PrepareResourceException;

import org.gvsig.fmap.data.resource.exception.ResourceException;

import org.gvsig.fmap.data.resource.exception.ResourceNotifyOpenException;

import org.gvsig.fmap.data.resource.spi.AbstractResource;

/**

 * @author jmvivo

 *

 */

public class FileResource extends AbstractResource {

        final public static String RESOURCE_TYPE_NAME = "file";

        final public static String RESOURCE_TYPE_DESCRIPTION = "File of filesystem";

        private File file;

        public FileResource(FileResourceParameters params)

                        throws InitializeException {

                super(params);

                file = null;

        }

        public Object get() throws AccessResourceException {

                try {

                        prepare();

                } catch (PrepareResourceException e) {

                        throw new AccessResourceException(this, e);

                }

                return getParameters().get("fileName");

        }

        public String getFileName() throws AccessResourceException {

                return (String) get();

        }

        public File getFile() throws AccessResourceException {

                if (file == null) {

                        file = new File(getFileName());

                }

                return file;

        }

        public FileInputStream getFileInputStream() throws AccessResourceException,

                        FileNotFoundException {

                FileInputStream fis = new FileInputStream(getFile());

                try {

                        notifyOpen();

                } catch (ResourceNotifyOpenException e) {

                        throw new AccessResourceException(this, e);

                }

                return fis;

        }

        public String getName() throws AccessResourceException {

                return MessageFormat.format("FileResource({1})", new Object[] { getFileName() });

        }

        public boolean isThis(ResourceParameters parameters)

                        throws ResourceException {

                if (!(parameters instanceof FileResourceParameters)) {

                        return false;

                }

                FileResourceParameters params;

                params = (FileResourceParameters) parameters.getCopy();

                prepare(params);

                return params.getFileName().equals(this.getFileName());

        }

}