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.feature.spi.simpleprovider;

import java.io.File;

import java.util.Arrays;

import java.util.List;

import java.util.Locale;

import org.apache.commons.lang3.StringUtils;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataStoreProviderFactory;

import org.gvsig.fmap.dal.FileHelper;

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

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

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

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

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.DataTypesManager;

import org.gvsig.tools.dynobject.DelegatedDynObject;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class SimpleSequentialReaderStoreParameters extends AbstractDataParameters implements

        OpenFeatureStoreParameters, FilesystemStoreParameters {

    private static final Logger LOGGER = LoggerFactory.getLogger(SimpleSequentialReaderStoreParameters.class);

    private static final String FILE = "file";

    private static final String IGNOREERRORS = "ignoreErrors";

    private static final String CRS = "CRS";

    private static final String FIELDTYPES = "fieldtypes";

    private static final String FIELDNAMES = "fieldnames";

    private static final String LOCALE = "locale";

    private static final String POINT = "pointFields";

    private static final String AUTOMATICTYPESDETECTION = "automaticTypesDetection";

    private DelegatedDynObject parameters;

    private SimpleSequentialReaderFactory readerFactory;

    public SimpleSequentialReaderStoreParameters() {

    }

    public SimpleSequentialReaderStoreParameters(SimpleSequentialReaderFactory readerFactory) {

        super();

        this.readerFactory = readerFactory;

        this.parameters = (DelegatedDynObject) FileHelper.newParameters(readerFactory.getName());

        this.setDynValue(DataStoreProviderServices.PROVIDER_PARAMTER_NAME, readerFactory.getName());

    }

    @Override

    public String getDataStoreName() {

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

    }

    @Override

    public void loadFromState(PersistentState state) throws PersistenceException {

        String providerName = (String) state.get(DataStoreProviderServices.PROVIDER_PARAMTER_NAME);

        DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();

        SimpleSequentialReaderStoreProviderFactory provider = 

                (SimpleSequentialReaderStoreProviderFactory)  dataman.getStoreProviderFactory(

                        providerName

        );

        this.readerFactory = provider.getReaderFactory();

        this.parameters = (DelegatedDynObject) FileHelper.newParameters(readerFactory.getName());

        super.loadFromState(state);

    }

    @Override

    public String getDescription() {

        return this.getDynClass().getDescription();

    }

    @Override

    protected DelegatedDynObject getDelegatedDynObject() {

        return parameters;

    }

    @Override

    public void setDynValue(String name, Object value) {

        super.setDynValue(name, value);

        if( this.readerFactory!=null && StringUtils.equalsIgnoreCase(name, FILE) ) {

            this.readerFactory.fetchDefaultParameters(this);

        }

    }

    @Override

    public boolean isValid() {

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

            return false;

        }

        return true;

    }

    @Override

    public File getFile() {

        return (File) this.getDynValue(FILE);

    }

    @Override

    public void setFile(File file) {

        this.setDynValue(FILE, file);

    }

    public IProjection getCRS() {

        return (IProjection) this.parameters.getDynValue(CRS);

    }

    public String getPathName() {

        File f = (File) this.parameters.getDynValue(FILE);

        if ( f == null ) {

            return null;

        }

        return f.getPath();

    }

    @SuppressWarnings("UseSpecificCatch")

    public Locale getLocale() {

        try {

            String s = (String) this.parameters.getDynValue(LOCALE);

            if ( s.trim().length() == 0 ) {

                return null;

            }

            if ( "DEFAULT".equalsIgnoreCase(s.trim()) ) {

                return Locale.getDefault();

            }

            Locale locale;

            // locale = Locale.forLanguageTag(s); // Since java 1.7

            String[] ss = s.split("-");

            switch (ss.length) {

            case 1:

                locale = new Locale(ss[0]);

                break;

            case 2:

                locale = new Locale(ss[0], ss[1]);

                break;

            case 3:

            default:

                locale = new Locale(ss[0], ss[1], ss[2]);

                break;

            }

            return locale;

        } catch (Exception ex) {

            LOGGER.warn("Can't get locale from ODS parameters.", ex);

            return null;

        }

    }

    public String[] getPointDimensionNames() {

        String s = (String) this.parameters.getDynValue(POINT);

        if ( StringUtils.isEmpty(s) ) {

            return null;

        }

        String sep = this.getDelimiter(s);

        if ( sep == null ) {

            return new String[] { s };

        }

        return s.split(sep);

    }

    public boolean getIgnoreErrors() {

        Boolean b = (Boolean) this.parameters.getDynValue(IGNOREERRORS);

        if ( b == null ) {

            return false;

        }

        return b;

    }

    private String getDelimiter(String line) {

        String sep = null;

        // Cuiaddo con los ":", los he puesto al final a proposito

        // ya que podian estar en la cadena para separar el size

        // de cada tipo.

        String seps = ",;-|@#/+$%&!:";

        for ( int i = 0; i < seps.length(); i++ ) {

            sep = seps.substring(i, 1);

            if ( line.contains(seps.substring(i, 1)) ) {

                break;

            }

            sep = null;

        }

        return sep;

    }

    public List<String> getFieldNames() {

        String s = (String) this.parameters.getDynValue(FIELDNAMES);

        if ( StringUtils.isEmpty(s) ) {

            return null;

        }

        String sep = this.getDelimiter(s);

        if ( sep == null ) {

            return null;

        }

        String fieldNames[] = s.split("[" + sep + "]");

        for (int i = 0; i < fieldNames.length; i++) {

            fieldNames[i] = fieldNames[i].trim();

        }

        return Arrays.asList(fieldNames);

    }

    public int[] getFieldTypes() {

        String s = (String) this.parameters.getDynValue(FIELDTYPES);

        if ( StringUtils.isEmpty(s) ) {

            return null;

        }

        String sep = this.getDelimiter(s);

        if ( sep == null ) {

            return null;

        }

        DataTypesManager dataTypeManager = ToolsLocator.getDataTypesManager();

        String fieldTypeNames[] = s.split("[" + sep + "]");

        int fieldTypes[] = new int[fieldTypeNames.length];

        for ( int i = 0; i < fieldTypeNames.length; i++ ) {

            s = fieldTypeNames[i].trim();

            if ( s.contains(":") ) {

                s = s.split(":")[0];

            }

            fieldTypes[i] = dataTypeManager.getType(s);

        }

        return fieldTypes;

    }

    @SuppressWarnings("UseSpecificCatch")

    public int[] getFieldSizes() {

        String s = (String) this.parameters.getDynValue(FIELDTYPES);

        if ( StringUtils.isEmpty(s) ) {

            return null;

        }

        String sep = this.getDelimiter(s);

        if ( sep == null ) {

            return null;

        }

        String fieldTypeNames[] = s.split("[" + sep + "]");

        int fieldSizes[] = new int[fieldTypeNames.length];

        for ( int i = 0; i < fieldTypeNames.length; i++ ) {

            String fieldtype = fieldTypeNames[i].trim();

            if ( fieldtype.contains(":") ) {

                try {

                    s = fieldtype.split(":")[1];

                    fieldSizes[i] = Integer.parseInt(s);

                } catch (Exception ex) {

                    LOGGER.warn("Can't get size of field " + i + " (" + fieldtype + ").", ex);

                }

            } else {

                fieldSizes[i] = 0;

            }

        }

        return fieldSizes;

    }

    public boolean getAutomaticTypesDetection() {

        Boolean b = (Boolean) this.parameters.getDynValue(AUTOMATICTYPESDETECTION);

        if ( b == null ) {

            return false;

        }

        return b;

    }

}