/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 * 
 *    (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
 *    
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library 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
 *    Lesser General Public License for more details.
 */
package org.geotools.feature;


// J2SE dependencies
import java.util.ArrayList;
import java.util.List;


/**
 * A simple DefaultFeatureTypeFactory which stores its Attributes in a list.
 * Oppurtunistic reuse is easy! Simply subclass this and override the method
 * <code>createFeatureType</code> to return whatever type of FeatureType you
 * want.
 *
 * @author Ian Schneider, USDA-ARS
 * @source $URL$
 * @version $Id$
 */
public class DefaultFeatureTypeFactory extends FeatureTypeFactory {
    private List attributeTypes = new ArrayList();
    
    protected void add(AttributeType type) throws IllegalArgumentException {
        attributeTypes.add(type);
    }

    protected void add(int idx, AttributeType type)
        throws ArrayIndexOutOfBoundsException, IllegalArgumentException {
        attributeTypes.add(idx, type);
    }

    protected FeatureType createFeatureType() throws SchemaException {
        if (isAbstract()) {
            return createAbstractType();
        }

        return new DefaultFeatureType(getName(), getNamespace(),
            attributeTypes, getSuperTypes(), getDefaultGeometry());
    }

    public AttributeType get(int idx) throws ArrayIndexOutOfBoundsException {
        return (AttributeType) attributeTypes.get(idx);
    }

    public int getAttributeCount() {
        return attributeTypes.size();
    }

    protected AttributeType remove(int idx)
        throws ArrayIndexOutOfBoundsException {
        return (AttributeType) attributeTypes.remove(idx);
    }

    protected AttributeType remove(AttributeType type) {
        if (attributeTypes.remove(type)) {
            return type;
        }

        return null;
    }

    protected AttributeType set(int idx, AttributeType type)
        throws ArrayIndexOutOfBoundsException, IllegalArgumentException {
        AttributeType former = get(idx);
        attributeTypes.set(idx, type);

        return former;
    }

    protected FeatureType createAbstractType() throws SchemaException {
        return new DefaultFeatureType.Abstract(getName(), getNamespace(),
            attributeTypes, getSuperTypes(), getDefaultGeometry());
    }
}