michael@0: /**
michael@0:  * Copyright (c) 2012, Ben Fortuna
michael@0:  * All rights reserved.
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  *
michael@0:  *  o Redistributions of source code must retain the above copyright
michael@0:  * notice, this list of conditions and the following disclaimer.
michael@0:  *
michael@0:  *  o Redistributions in binary form must reproduce the above copyright
michael@0:  * notice, this list of conditions and the following disclaimer in the
michael@0:  * documentation and/or other materials provided with the distribution.
michael@0:  *
michael@0:  *  o Neither the name of Ben Fortuna nor the names of any other contributors
michael@0:  * may be used to endorse or promote products derived from this software
michael@0:  * without specific prior written permission.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0:  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
michael@0:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
michael@0:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
michael@0:  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
michael@0:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0:  */
michael@0: package net.fortuna.ical4j.model;
michael@0: 
michael@0: import java.io.Serializable;
michael@0: import java.net.URI;
michael@0: import java.net.URISyntaxException;
michael@0: import java.util.Iterator;
michael@0: import java.util.List;
michael@0: import java.util.StringTokenizer;
michael@0: 
michael@0: import net.fortuna.ical4j.util.CompatibilityHints;
michael@0: import net.fortuna.ical4j.util.Strings;
michael@0: import net.fortuna.ical4j.util.Uris;
michael@0: import edu.emory.mathcs.backport.java.util.concurrent.CopyOnWriteArrayList;
michael@0: 
michael@0: /**
michael@0:  * $Id$ [23-Apr-2004]
michael@0:  *
michael@0:  * Defines a list of iCalendar addresses.
michael@0:  * @author Ben Fortuna
michael@0:  */
michael@0: public class AddressList implements Serializable {
michael@0: 
michael@0:     private static final long serialVersionUID = 81383256078213569L;
michael@0: 
michael@0:     private List addresses;
michael@0: 
michael@0:     /**
michael@0:      * Default constructor.
michael@0:      */
michael@0:     public AddressList() {
michael@0:         addresses = new CopyOnWriteArrayList();
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * Parses the specified string representation to create a list of addresses.
michael@0:      * @param aValue a string representation of a list of addresses
michael@0:      * @throws URISyntaxException where the specified string is not a valid representation
michael@0:      */
michael@0:     public AddressList(final String aValue) throws URISyntaxException {
michael@0:         addresses = new CopyOnWriteArrayList();
michael@0:         final StringTokenizer t = new StringTokenizer(aValue, ",");
michael@0:         while (t.hasMoreTokens()) {
michael@0: 
michael@0:             try {
michael@0:                 addresses.add(new URI(Uris.encode(Strings
michael@0:                         .unquote(t.nextToken()))));
michael@0:             }
michael@0:             catch (URISyntaxException use) {
michael@0:                 // ignore invalid addresses if relaxed parsing is enabled..
michael@0:                 if (!CompatibilityHints.isHintEnabled(
michael@0:                         CompatibilityHints.KEY_RELAXED_PARSING)) {
michael@0: 
michael@0:                     throw use;
michael@0:                 }
michael@0:             }
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * {@inheritDoc}
michael@0:      */
michael@0:     public final String toString() {
michael@0:         final StringBuffer b = new StringBuffer();
michael@0:         for (final Iterator i = addresses.iterator(); i.hasNext();) {
michael@0:             b.append(Strings.quote(Uris.decode(Strings.valueOf(i.next()))));
michael@0:             if (i.hasNext()) {
michael@0:                 b.append(',');
michael@0:             }
michael@0:         }
michael@0:         return b.toString();
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * Add an address to the list.
michael@0:      * @param address the address to add
michael@0:      * @return true
michael@0:      * @see List#add(java.lang.Object)
michael@0:      */
michael@0:     public final boolean add(final URI address) {
michael@0:         return addresses.add(address);
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * @return boolean indicates if the list is empty
michael@0:      * @see List#isEmpty()
michael@0:      */
michael@0:     public final boolean isEmpty() {
michael@0:         return addresses.isEmpty();
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * @return an iterator
michael@0:      * @see List#iterator()
michael@0:      */
michael@0:     public final Iterator iterator() {
michael@0:         return addresses.iterator();
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * Remove an address from the list.
michael@0:      * @param address the address to remove
michael@0:      * @return true if the list contained the specified address
michael@0:      * @see List#remove(java.lang.Object)
michael@0:      */
michael@0:     public final boolean remove(final URI address) {
michael@0:         return addresses.remove(address);
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * @return the number of addresses in the list
michael@0:      * @see List#size()
michael@0:      */
michael@0:     public final int size() {
michael@0:         return addresses.size();
michael@0:     }
michael@0: }