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.memory;

import java.util.Iterator;

import org.apache.commons.lang3.StringUtils;

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

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

import org.gvsig.fmap.dal.feature.spi.DefaultFeatureProvider;

import org.gvsig.fmap.dal.feature.spi.FeatureProvider;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.timesupport.Time;

import org.gvsig.tools.logger.FilteredLogger;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Envuelve un FeatureProvider en memoria para que muestre un FeautureType

 * distinto del orginal sin modificarlo

 *

 *

 * Wrap a FeatureProvider stored in memory to display a FeautureType other than

 * the original one without change it

 *

 * @author jmvivo

 *

 */

public class MemoryFeatureProviderAttributeMapper implements FeatureProvider {

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

        private static final FilteredLogger FLOGGER = new FilteredLogger(LOGGER, "MemoryFeatureProviderAttributeMapper", 10).setInterval(20000L);

        private final FeatureProvider original;

        private final FeatureType myFeatureType;

        /**

         * Default constructor.

         * 

         * @param original

         *            featureProvider

         * @param featureType

         *            to expose

         */

        public MemoryFeatureProviderAttributeMapper(FeatureProvider original,

                        FeatureType featureType) {

                this.original = original;

                this.myFeatureType = featureType;

        }

        public boolean isReadOnly(int i) {

            FeatureAttributeDescriptor attribute = myFeatureType.getAttributeDescriptor(i);

            if (attribute.getEvaluator() == null) {

                    return true;

            }

            return false;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#get(int)

         */

        public Object get(int i) {

                return original.get(myFeatureType.getAttributeDescriptor(i).getName());

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#get(java.lang.String)

         */

        public Object get(String name) {

                return original.get(name);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getCopy()

         */

        public FeatureProvider getCopy() {

                DefaultFeatureProvider data = new DefaultFeatureProvider(myFeatureType);

                data.setOID(this.original.getOID());

                Iterator iter = myFeatureType.iterator();

                FeatureAttributeDescriptor attr;

                FeatureType originalType = this.original.getType();

                while (iter.hasNext()) {

                        attr = (FeatureAttributeDescriptor) iter.next();

                        if (!attr.isComputed()) {

                            if (originalType.get(attr.getName())==null){

                                FLOGGER.warn("Can't access attribute '"+attr.getName()+"' in original feature.");

                                continue;

                            }

                            data.set(attr.getIndex(), this.original.get(attr.getName()));

                        }

                }

                data.setNew(this.original.isNew());

                return data;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getDefaultEnvelope()

         */

        public Envelope getDefaultEnvelope() {

                return original.getDefaultEnvelope();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getDefaultGeometry()

         */

        public Geometry getDefaultGeometry() {

                return original.getDefaultGeometry();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getOID()

         */

        public Object getOID() {

                return original.getOID();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getType()

         */

        public FeatureType getType() {

                return myFeatureType;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#isNew()

         */

        public boolean isNew() {

                return original.isNew();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#isNull(int)

         */

        public boolean isNull(int i) {

                return original.isNull(myFeatureType.getAttributeDescriptor(i)

                                .getName());

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#isNull(java.lang.String)

         */

        public boolean isNull(String name) {

                return original.isNull(name);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#set(int, java.lang.Object)

         */

        public void set(int i, Object value) {

                original.set(myFeatureType.getAttributeDescriptor(i).getName(),

                                value);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#set(java.lang.String, java.lang.Object)

         */

        public void set(String name, Object value) {

                original.set(name, value);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#setDefaultEnvelope(org.gvsig.fmap.geom.primitive.Envelope)

         */

        public void setDefaultEnvelope(Envelope extent) {

                original.setDefaultEnvelope(extent);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#setDefaultGeometry(org.gvsig.fmap.geom.Geometry)

         */

        public void setDefaultGeometry(Geometry geom) {

                original.setDefaultGeometry(geom);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#setNew(boolean)

         */

        public void setNew(boolean isNew) {

                original.setNew(isNew);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#setOID(java.lang.Object)

         */

        public void setOID(Object oid) {

                original.setOID(oid);

        }

    @Override

    public Time getDefaultTime() {

        return original.getDefaultTime();

    }

    @Override

    public void setDefaultTime(Time time) {

        original.setDefaultTime(time);

    }

    @Override

    public void setExtraValue(int index, Object value) {

        this.original.setExtraValue(index, value);

    }

    @Override

    public Object getExtraValue(int index) {

        return this.original.getExtraValue(index);

    }

    @Override

    public Object getExtraValue(String name) {

        return this.original.getExtraValue(name);

    }

    @Override

    public void setExtraValueNames(String[] extraValueNames) {

        this.original.setExtraValueNames(extraValueNames);

    }

  @Override

  public boolean hasExtraValue(String name) {

    return this.original.hasExtraValue(name);

  }

}