Application: gvSIG desktop

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 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.geom.jts.utils;

import java.util.Collection;

import java.util.Iterator;

import com.vividsolutions.jts.geom.Coordinate;

/**

 * @author fdiaz

 *

 */

public class ReadOnlyCoordinates implements Collection<Coordinate> {

    Coordinate coordinates[];

    /**

     *

     */

    public ReadOnlyCoordinates(Coordinate coordinates[]) {

        this.coordinates = coordinates;

    }

    /* (non-Javadoc)

     * @see java.util.Collection#size()

     */

    public int size() {

        return this.coordinates.length;

    }

    /* (non-Javadoc)

     * @see java.util.Collection#isEmpty()

     */

    public boolean isEmpty() {

        return this.coordinates.length==0;

    }

    /* (non-Javadoc)

     * @see java.util.Collection#contains(java.lang.Object)

     */

    public boolean contains(Object o) {

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

            if(coordinates[i].equals(o)){

                return true;

            }

        }

        return false;

    }

    /* (non-Javadoc)

     * @see java.util.Collection#iterator()

     */

    public Iterator<Coordinate> iterator() {

        return new Iterator<Coordinate>() {

            int i=0;

            public boolean hasNext() {

                return i<coordinates.length;

            }

            public Coordinate next() {

                return coordinates[i++];

            }

            public void remove() {

                throw new UnsupportedOperationException();

            }

        };

    }

    /* (non-Javadoc)

     * @see java.util.Collection#toArray()

     */

    public Object[] toArray() {

        return this.coordinates;

    }

    /* (non-Javadoc)

     * @see java.util.Collection#toArray(java.lang.Object[])

     */

    public <T> T[] toArray(T[] a) {

        return (T[]) this.coordinates;

    }

    /* (non-Javadoc)

     * @see java.util.Collection#add(java.lang.Object)

     */

    public boolean add(Coordinate e) {

        throw new UnsupportedOperationException();

    }

    /* (non-Javadoc)

     * @see java.util.Collection#remove(java.lang.Object)

     */

    public boolean remove(Object o) {

        throw new UnsupportedOperationException();

    }

    /* (non-Javadoc)

     * @see java.util.Collection#containsAll(java.util.Collection)

     */

    public boolean containsAll(Collection<?> c) {

        for (Iterator iterator = c.iterator(); iterator.hasNext();) {

            Object object = (Object) iterator.next();

            if(contains(object)){

                return true;

            }

        }

        return false;

    }

    /* (non-Javadoc)

     * @see java.util.Collection#addAll(java.util.Collection)

     */

    public boolean addAll(Collection<? extends Coordinate> c) {

        throw new UnsupportedOperationException();

    }

    /* (non-Javadoc)

     * @see java.util.Collection#removeAll(java.util.Collection)

     */

    public boolean removeAll(Collection<?> c) {

        throw new UnsupportedOperationException();

    }

    /* (non-Javadoc)

     * @see java.util.Collection#retainAll(java.util.Collection)

     */

    public boolean retainAll(Collection<?> c) {

        throw new UnsupportedOperationException();

    }

    /* (non-Javadoc)

     * @see java.util.Collection#clear()

     */

    public void clear() {

        throw new UnsupportedOperationException();

    }

}