Application: gvSIG desktop » gvSIG raster

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2016 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 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.

 *

 * 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.file.jimi;

import java.io.File;

import java.io.IOException;

import java.util.List;

import org.apache.commons.io.FileUtils;

import org.apache.commons.io.FilenameUtils;

import org.apache.commons.lang3.StringUtils;

import org.cresques.cts.ICRSFactory;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.fmap.dal.FileHelper;

import org.gvsig.fmap.dal.OpenDataStoreParameters;

import org.gvsig.fmap.dal.raster.spi.OpenRasterStoreParameters;

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.tools.dynobject.DelegatedDynObject;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Parameters to create a JIMI Provider

 * @author dmartinezizquierdo

 *

 */

public class JimiRasterStoreProviderParameters extends AbstractDataParameters implements

OpenRasterStoreParameters, FilesystemStoreParameters{

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

    public static final String PARAMETERS_DEFINITION_NAME = "JimiRasterStoreProviderParameters";

    public static final String FILE_PARAMTER_NAME = "file";

    public static final String CRS_PARAMTER_NAME = "crs";

    public static final String WLD_PARAMS_NAME= "wldParams";

    private DelegatedDynObject parameters;

    /**

     * Constructor

     */

    public JimiRasterStoreProviderParameters() {

        this(PARAMETERS_DEFINITION_NAME);

    }

    protected JimiRasterStoreProviderParameters(String parametersDefinitionName) {

        this(parametersDefinitionName, JimiRasterStoreProvider.NAME);

    }

    /**

     * Constructor

     * @param parametersDefinitionName

     * @param name

     */

    public JimiRasterStoreProviderParameters(String parametersDefinitionName, String name) {

        super();

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

        this.setDynValue(DataStoreProviderServices.PROVIDER_PARAMTER_NAME, name);

    }

    @Override

    public String getDataStoreName() {

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

    }

    @Override

    public boolean isValid() {

        return (this.getFile() != null);

    }

    @Override

    public String getDescription() {

        return this.getDynClass().getDescription();

    }

    @Override

    public File getFile() {

        return (File) this.getDynValue(FILE_PARAMTER_NAME);

    }

    @Override

    public void setFile(File file) {

        this.setDynValue(FILE_PARAMTER_NAME, file);

        loadWLD(file);

        if (getCRS()==null){

            loadPRJ(file);

        }

    }

    /**

     * Sets CRS

     * @param crsCode

     */

    public void setCRS(String crsCode) {

        IProjection crs=CRSFactory.getCRS(crsCode);

        setDynValue(CRS_PARAMTER_NAME, crs);

    }

    /**

     * Sets CRS

     * @param crs

     */

    public void setCRS(IProjection crs) {

        setDynValue(CRS_PARAMTER_NAME, crs);

    }

    /**

     * Gets CRS

     * @return IProjection

     */

    public IProjection getCRS() {

        return (IProjection) getDynValue(CRS_PARAMTER_NAME);

    }

    /**

     * Gets the 6 params of a WLD file as Strings.

     * @return Returns WLD parameters

     */

    public List<String> getWldParams(){

        return (List<String>) getDynValue(WLD_PARAMS_NAME);

    }

    /**

     * Sets the params of a wld file

     * @param wldParams

     */

    public void setWldParams(List<String> wldParams){

        setDynValue(WLD_PARAMS_NAME,wldParams);

    }

    @Override

    protected DelegatedDynObject getDelegatedDynObject() {

        return parameters;

    }

    private void loadPRJ(File file){

        File prjFile = new File(FilenameUtils.removeExtension(file.getAbsolutePath())+".prj");

        if (prjFile.exists()) {

            try {

                String contentFile = FileUtils.readFileToString(prjFile);

                if (StringUtils.isNotEmpty(contentFile)){

                    IProjection crs=CRSFactory.getCRSFactory().get(ICRSFactory.FORMAT_WKT_ESRI, contentFile);

                    setCRS(crs);

                }

            } catch (IOException e) {

                logger.warn("Couldn't read wld file");

            }

        }

    }

    private void loadWLD(File file){

        File wldFile = new File(FilenameUtils.removeExtension(file.getAbsolutePath())+".wld");

        if (wldFile.exists()) {

            try {

                List<String> lines = FileUtils.readLines(wldFile);

                if (lines!=null && lines.size()==6){

                    setWldParams(lines);

                }

            } catch (IOException e) {

                logger.warn("Couldn't read wld file");

            }

        }

    }

}