| gvSIG desktop 1

/* 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. S.A.   {{Task}}

*/

package org.gvsig.fmap.data.feature.joinstore;

import java.util.Iterator;

import org.gvsig.fmap.data.feature.AttributeDescriptor;

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

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

import org.gvsig.fmap.data.feature.exceptions.IsNotAttributeSettingException;

import org.gvsig.fmap.data.feature.impl.DefaultFeatureType;

public class JoinFeatureType extends DefaultFeatureType {

        /**

         *

         */

        private static final long serialVersionUID = -6196506718137857274L;

        private FeatureType fTypePrimary;

        private FeatureType fTypeSecondary;

        private String prefix;

        private JoinAttributeDescriptor defGeomAttr = null;

        public FeatureAttributeDescriptor createAttributeDescriptor() {

                return new JoinAttributeDescriptor(this, true);

        }

        public FeatureAttributeDescriptor createNewAttributeDescriptor() {

                return new JoinAttributeDescriptor(this, true);

        }

        public JoinAttributeDescriptor getDefaultGeometryAttribute() {

                return defGeomAttr;

        }

        protected void setDefaultGeometryAttribute(JoinAttributeDescriptor attr) {

                this.defGeomAttr = attr;

        }

        public Object getFromOriginalPosition(int index) {

                Iterator iter = this.iterator();

                while (iter.hasNext()) {

                        JoinAttributeDescriptor attr = (JoinAttributeDescriptor) iter

                                        .next();

                        if (attr.originalPosition() == index) {

                                return attr;

                        }

                }

                return null;

        }

        protected void loadPrimaryStoreFeatureType(FeatureType fType)

                        throws IsNotAttributeSettingException {

                this.fTypePrimary = fType;

                Iterator iter = fType.iterator();

                while (iter.hasNext()) {

                        this.importAttribute((AttributeDescriptor) iter.next());

                }

        }

        protected JoinAttributeDescriptor importAttribute(AttributeDescriptor attr) {

                JoinAttributeDescriptor newAttr = (JoinAttributeDescriptor) this

                                .createNewAttributeDescriptor();

                newAttr.loadFrom(attr);

                this.add(newAttr);

                return newAttr;

        }

        protected void loadSecondaryStoreFeatureType(FeatureType fType,

                        String prefix) throws IsNotAttributeSettingException {

                this.fTypeSecondary = fType;

                this.prefix = prefix;

                Iterator iter = fType.iterator();

                JoinAttributeDescriptor newAttr;

                while (iter.hasNext()) {

                        newAttr = this.importAttribute((AttributeDescriptor) iter.next());

                        newAttr.loading();

                        newAttr.setFromSecondarySource(true);

                        newAttr.setOriginalName(newAttr.getName());

                        newAttr.setName(prefix + newAttr.getName());

                        newAttr.stopLoading();

                }

        }

        public FeatureType getPrimaryFeatureType() {

                return this.fTypePrimary;

        }

        public FeatureType getSecondaryFeatureType() {

                return this.fTypeSecondary;

        }

        protected FeatureType newFeatureType() {

                return new JoinFeatureType();

        }

        protected void fillFeatureType(DefaultFeatureType type) {

                super.fillFeatureType(type);

                if (type instanceof JoinFeatureType) {

                        JoinFeatureType joinType = (JoinFeatureType) type;

                        joinType.fTypePrimary = this.fTypePrimary;

                        joinType.fTypeSecondary = this.fTypeSecondary;

                        joinType.prefix = this.prefix;

                }

        }

        public String getPrefix() {

                return this.prefix;

        }

        public boolean isFromSecondary(String name) {

                return ((JoinAttributeDescriptor) this.get(name))

                                .isFromSecondarySource();

        }

        public boolean isFromSecondary(int index) {

                return ((JoinAttributeDescriptor) this.get(index))

                                .isFromSecondarySource();

        }

}