Application: gvSIG desktop » gvSIG data providers based on gdal

package org.gvsig.raster.gdal.provider;

import java.io.File;

import org.gvsig.fmap.dal.FileHelper;

import org.gvsig.fmap.dal.raster.NewRasterStoreParameters;

import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters;

import org.gvsig.fmap.dal.spi.AbstractDataParameters;

import org.gvsig.fmap.dal.spi.DataStoreProviderServices;

import org.gvsig.raster.lib.buffer.api.Buffer;

import org.gvsig.tools.dynobject.DelegatedDynObject;

/**

 * Generic parameters to create a new raster gdal store

 * @author dmartinezizquierdo

 *

 */

public class NewRasterGdalStoreParameters extends AbstractDataParameters

    implements NewRasterStoreParameters,FilesystemStoreParameters{

    /**

     * Parameters definition

     */

    public static final String PARAMETERS_DEFINITION_NAME = "NewRasterGdalStoreParameters";

    /**

     * String to identify the File param

     */

    public static final String FILE_PARAM_NAME = "file";

    /**

     * Name of the group for specific driver options defined in the XML

     */

    public static final String CREATE_OPTIONS_GROUP = "CreateOptions";

    private DelegatedDynObject parameters;

    private Buffer buffer;

    /**

     * Constructor

     * @param parametersDefinitionName

     * @param providerName

     */

    public NewRasterGdalStoreParameters(String parametersDefinitionName, String providerName) {

        super();

        this.parameters = (DelegatedDynObject) FileHelper.newParameters(parametersDefinitionName);

        this.setDynValue(DataStoreProviderServices.PROVIDER_PARAMTER_NAME, providerName);

    }

    public String getDataStoreName() {

        return (String) this.getDynValue(DataStoreProviderServices.PROVIDER_PARAMTER_NAME);

    }

    @Override

    public String getDescription() {

        return this.getDynClass().getDescription();

    }

    @Override

    protected DelegatedDynObject getDelegatedDynObject() {

        return parameters;

    }

    @Override

    public boolean isValid() {

        File file=getFile();

        Buffer buffer=getBuffer();

        if (file!=null && !file.isDirectory() && buffer!=null){

            File parentFile = file.getParentFile();

            if ( //The file can be overwritten

                (file.exists() && file.canWrite()) ||

                //The file can be created in the parent directory

                 (!file.exists() && parentFile.canWrite() && parentFile.isDirectory())

               ){

                return true;

            }

        }

        return false;

    }

    @Override

    public File getFile() {

        return (File) this.getDynValue(FILE_PARAM_NAME);

    }

    @Override

    public void setFile(File file) {

        this.setDynValue(FILE_PARAM_NAME, file);

    }

    @Override

    public Buffer getBuffer() {

        return this.buffer;

    }

    @Override

    public void setBuffer(Buffer buffer) {

        this.buffer=buffer;

    }

}