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/**
 * Copyright (c) 2012, Ben Fortuna
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  o Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 *  o Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 *  o Neither the name of Ben Fortuna nor the names of any other contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package net.fortuna.ical4j.vcard.property;

import static net.fortuna.ical4j.util.Strings.escape;

import java.net.URISyntaxException;
import java.text.ParseException;
import java.util.List;

import net.fortuna.ical4j.model.ValidationException;
import net.fortuna.ical4j.vcard.Group;
import net.fortuna.ical4j.vcard.Parameter;
import net.fortuna.ical4j.vcard.Property;
import net.fortuna.ical4j.vcard.PropertyFactory;

/**
 * ORG property.
 * 
 * $Id$
 * 
 * Created on 21/09/2008
 * 
 * @author Ben
 * 
 */
public final class Org extends Property {

    /**
     * 
     */
    private static final long serialVersionUID = -1435956318814896568L;

    // this regex has been stolen from:
    // http://stackoverflow.com/questions/56554/
    // + what-is-the-proper-regular-expression-for-an-unescaped-backslash-before-a-chara
    private static final String VALUES_SPLIT_REGEX = "(?\\\\\\\\)*;";

    public static final PropertyFactory FACTORY = new Factory();
    
    private String[] values;

    /**
     * @param value
     *            one or more organization values
     */
    public Org(String... value) {
        this(null, value);
    }

    /**
     * @param group
     *            a property group
     * @param value
     *            one or more organization values
     */
    public Org(Group group, String... value) {
        super(group, Id.ORG);
        if (value.length == 0) {
            throw new IllegalArgumentException("Must specify at least one organization");
        }
        this.values = value;
    }

    /**
     * Factory constructor.
     * 
     * @param params
     *            property parameters
     * @param value
     *            string representation of a property value
     */
    public Org(List params, String value) {
        this(null, params, value);
    }

    /**
     * Factory constructor.
     * 
     * @param group
     *            a property group
     * @param params
     *            property parameters
     * @param value
     *            string representation of a property value
     */
    public Org(Group group, List params, String value) {
        super(group, Id.ORG, params);
        this.values = value.split(VALUES_SPLIT_REGEX);
    }

    /**
     * @return the values
     */
    public String[] getValues() {
        return values;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getValue() {
        final StringBuilder b = new StringBuilder();
        for (int i = 0; i < values.length; i++) {
            b.append(escape(values[i]));
            if (i < values.length - 1) {
                b.append(';');
            }

        }
        return b.toString();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void validate() throws ValidationException {
        // ; Text parameters allowed
        for (Parameter param : getParameters()) {
            try {
                assertTextParameter(param);
            } catch (ValidationException ve) {
                assertPidParameter(param);
            }
        }
    }

    private static class Factory implements PropertyFactory {

        /**
         * {@inheritDoc}
         */
        public Org createProperty(final List params, final String value) {
            return new Org(params, value);
        }

        /**
         * {@inheritDoc}
         */
        public Org createProperty(final Group group, final List params, final String value)
                throws URISyntaxException, ParseException {
            return new Org(group, params, value);
        }
    }
}