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A fork of iCal4j with customizations for Bedework.
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/**
 * Copyright (c) 2010, 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.model.parameter;

import java.net.URI;
import java.net.URISyntaxException;

import net.fortuna.ical4j.model.Parameter;
import net.fortuna.ical4j.model.ParameterFactoryImpl;
import net.fortuna.ical4j.util.Strings;
import net.fortuna.ical4j.util.Uris;

/**
 * $Id: Dir.java,v 1.17 2010/03/06 12:57:25 fortuna Exp $ [18-Apr-2004]
 *
 * Defines a Directory Entry Reference parameter.
 * @author benfortuna
 */
public class Dir extends Parameter {

    private static final long serialVersionUID = -8581904779721020689L;

    private URI uri;

    /**
     * @param aValue a string representation of a directory entry reference
     * @throws URISyntaxException when the specified string is not a valid (quoted) uri
     */
    public Dir(final String aValue) throws URISyntaxException {
        this(Uris.create(Strings.unquote(aValue)));
    }

    /**
     * @param aUri a URI representing a directory entry reference
     */
    public Dir(final URI aUri) {
        super(DIR, ParameterFactoryImpl.getInstance());
        this.uri = aUri;
    }

    /**
     * @return Returns the uri.
     */
    public final URI getUri() {
        return uri;
    }

    /**
     * {@inheritDoc}
     */
    public final String getValue() {
        return Uris.decode(Strings.valueOf(getUri()));
    }
}