TzUrl.java

/*
 * $Id: TzUrl.java,v 1.10 2006/02/26 07:48:11 fortuna Exp $
 * 
 * Created: [Apr 6, 2004]
 *
 * Copyright (c) 2004, 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.property;

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

import net.fortuna.ical4j.model.ParameterList;
import net.fortuna.ical4j.model.Property;
import net.fortuna.ical4j.model.ValidationException;
import net.fortuna.ical4j.util.Strings;
import net.fortuna.ical4j.util.Uris;

/**
 * Defines a TZURL iCalendar component property.
 * 
 * <pre>
 * 4.8.3.5 Time Zone URL
 * 
 *    Property Name: TZURL
 * 
 *    Purpose: The TZURL provides a means for a VTIMEZONE component to
 *    point to a network location that can be used to retrieve an up-to-
 *    date version of itself.
 * 
 *    Value Type: URI
 * 
 *    Property Parameters: Non-standard property parameters can be
 *    specified on this property.
 * 
 *    Conformance: This property can be specified in a "VTIMEZONE" calendar
 *    component.
 * 
 *    Description: The TZURL provides a means for a VTIMEZONE component to
 *    point to a network location that can be used to retrieve an up-to-
 *    date version of itself. This provides a hook to handle changes
 *    government bodies impose upon time zone definitions. Retrieval of
 *    this resource results in an iCalendar object containing a single
 *    VTIMEZONE component and a METHOD property set to PUBLISH.
 * 
 *    Format Definition: The property is defined by the following notation:
 * 
 *      tzurl      = "TZURL" tzurlparam ":" uri CRLF
 * 
 *      tzurlparam = *(";" xparam)
 * 
 *    Example: The following is an example of this property:
 * 
 *      TZURL:http://timezones.r.us.net/tz/US-California-Los_Angeles
 * </pre>
 *
 * @author Ben Fortuna
 */
public class TzUrl extends Property {
    
    private static final long serialVersionUID = 9106100107954797406L;

    private URI uri;

    /**
     * Default constructor.
     */
    public TzUrl() {
        super(TZURL);
    }
    
    /**
     * @param aList
     *            a list of parameters for this component
     * @param aValue
     *            a value string for this component
     * @throws URISyntaxException
     *             where the specified value string is not a valid uri
     */
    public TzUrl(final ParameterList aList, final String aValue)
            throws URISyntaxException {
        super(TZURL, aList);
        setValue(aValue);
    }

    /**
     * @param aUri
     *            a URI
     */
    public TzUrl(final URI aUri) {
        super(TZURL);
        uri = aUri;
    }

    /**
     * @param aList
     *            a list of parameters for this component
     * @param aUri
     *            a URI
     */
    public TzUrl(final ParameterList aList, final URI aUri) {
        super(TZURL, aList);
        uri = aUri;
    }

    /**
     * @return Returns the uri.
     */
    public final URI getUri() {
        return uri;
    }
    
    /* (non-Javadoc)
     * @see net.fortuna.ical4j.model.Property#setValue(java.lang.String)
     */
    public final void setValue(final String aValue) throws URISyntaxException {
        uri = new URI(Uris.encode(aValue));
    }

    /*
     * (non-Javadoc)
     *
     * @see net.fortuna.ical4j.model.Property#getValue()
     */
    public final String getValue() {
        return Uris.decode(Strings.valueOf(getUri()));
    }
    
    /**
     * @param uri The uri to set.
     */
    public final void setUri(final URI uri) {
        this.uri = uri;
    }
    
    /* (non-Javadoc)
     * @see net.fortuna.ical4j.model.Property#validate()
     */
    public final void validate() throws ValidationException {
        // TODO: Auto-generated method stub
    }
}