/*

 * This file is part of libbluray

 * Copyright (C) 2010  William Hahne

 *

 * 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; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * 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.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library. If not, see

 * <http://www.gnu.org/licenses/>.

 */

package org.dvb.user;

import java.util.Iterator;

import java.util.Vector;

public class Preference {

    protected Preference() {

    }

    public Preference(String name, String value) {

        this.name = name;

        if (value != null)

            values.add(value);

    }

    public Preference(String name, String value[]) {

        this.name = name;

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

            values.add(value[i]);

    }

    public void add(String value) {

        synchronized (values) {

            values.remove(value);

            values.add(value);

        }

    }

    public void add(String value[]) {

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

            add(value[i]);

    }

    public void add(int position, String value) {

        synchronized (values) {

            values.remove(value);

            if (position < 0)

                position = 0;

            else if (position > values.size())

                position = values.size();

            values.add(position, value);

        }

    }

    public String[] getFavourites() {

        synchronized (values) {

            if (values.isEmpty())

                return new String[0];

            String[] result = new String[values.size()];

            values.copyInto(result);

            return result;

        }

    }

    public String getMostFavourite() {

        synchronized (values) {

            if (values.isEmpty())

                return null;

            return (String)values.get(0);

        }

    }

    public String getName() {

        return name;

    }

    public int getPosition(String value) {

        synchronized (values) {

            return values.indexOf(value);

        }

    }

    public boolean hasValue() {

        synchronized (values) {

            return !values.isEmpty();

        }

    }

    public void remove(String value) {

        synchronized (values) {

            values.remove(value);

        }

    }

    public void removeAll() {

        synchronized (values) {

            values.clear();

        }

    }

    public void setMostFavourite(String value) {

        add(0, value);

    }

    public String toString() {

        StringBuffer result = new StringBuffer();

        String comma = "";

        result.append("Preference:");

        result.append(name);

        result.append("[");

        Iterator it = values.iterator();

        while (it.hasNext()) {

            result.append(comma);

            result.append((String)it.next());

            comma = ",";

        }

        result.append("]");

        return result.toString();

    }

    private String name;

    private Vector values = new Vector();

}