1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/net/fortuna/ical4j/model/TextList.java Tue Feb 10 18:12:00 2015 +0100
1.3 @@ -0,0 +1,155 @@
1.4 +/**
1.5 + * Copyright (c) 2012, Ben Fortuna
1.6 + * All rights reserved.
1.7 + *
1.8 + * Redistribution and use in source and binary forms, with or without
1.9 + * modification, are permitted provided that the following conditions
1.10 + * are met:
1.11 + *
1.12 + * o Redistributions of source code must retain the above copyright
1.13 + * notice, this list of conditions and the following disclaimer.
1.14 + *
1.15 + * o Redistributions in binary form must reproduce the above copyright
1.16 + * notice, this list of conditions and the following disclaimer in the
1.17 + * documentation and/or other materials provided with the distribution.
1.18 + *
1.19 + * o Neither the name of Ben Fortuna nor the names of any other contributors
1.20 + * may be used to endorse or promote products derived from this software
1.21 + * without specific prior written permission.
1.22 + *
1.23 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.24 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.25 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.26 + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
1.27 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
1.28 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
1.29 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
1.30 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
1.31 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
1.32 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
1.33 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.34 + */
1.35 +package net.fortuna.ical4j.model;
1.36 +
1.37 +import java.io.Serializable;
1.38 +import java.util.Arrays;
1.39 +import java.util.Iterator;
1.40 +import java.util.List;
1.41 +import java.util.regex.Matcher;
1.42 +import java.util.regex.Pattern;
1.43 +
1.44 +import edu.emory.mathcs.backport.java.util.concurrent.CopyOnWriteArrayList;
1.45 +
1.46 +import net.fortuna.ical4j.util.Strings;
1.47 +
1.48 +/**
1.49 + * $Id$ [23-Apr-2004]
1.50 + *
1.51 + * Defines a list of iCalendar text elements.
1.52 + * @author Ben Fortuna
1.53 + */
1.54 +public class TextList implements Serializable {
1.55 +
1.56 + private static final long serialVersionUID = -417427815871330636L;
1.57 +
1.58 + private List texts;
1.59 +
1.60 + /**
1.61 + * Default constructor.
1.62 + */
1.63 + public TextList() {
1.64 + texts = new CopyOnWriteArrayList();
1.65 + }
1.66 +
1.67 + /**
1.68 + * Parses the specified string representation to create a list of categories.
1.69 + * @param aValue a string representation of a list of categories
1.70 + */
1.71 + public TextList(final String aValue) {
1.72 + texts = new CopyOnWriteArrayList();
1.73 +
1.74 + // match commas preceded by even number of backslashes..
1.75 + final Pattern pattern = Pattern.compile("([^\\\\](?:\\\\{2})),|([^\\\\]),");
1.76 +
1.77 + final Matcher matcher = pattern.matcher(aValue);
1.78 + String[] textValues = null;
1.79 +
1.80 + if (matcher.find()) {
1.81 + // HACK: add a marker (") for easy string splitting..
1.82 + textValues = matcher.replaceAll("$1$2"").split(""");
1.83 + }
1.84 + else {
1.85 + // no special cases, split on commas not preceded by backslash..
1.86 + textValues = aValue.split("(?<!\\\\),");
1.87 + }
1.88 +
1.89 + for (int i = 0; i < textValues.length; i++) {
1.90 + texts.add(Strings.unescape(textValues[i]));
1.91 + }
1.92 + }
1.93 +
1.94 + /**
1.95 + * @param textValues an array of text values
1.96 + */
1.97 + public TextList(String[] textValues) {
1.98 + texts = Arrays.asList(textValues);
1.99 + }
1.100 +
1.101 + /**
1.102 + * {@inheritDoc}
1.103 + */
1.104 + public final String toString() {
1.105 + final StringBuffer b = new StringBuffer();
1.106 + for (final Iterator i = texts.iterator(); i.hasNext();) {
1.107 + b.append(Strings.escape((String) i.next()));
1.108 + if (i.hasNext()) {
1.109 + b.append(',');
1.110 + }
1.111 + }
1.112 + return b.toString();
1.113 + }
1.114 +
1.115 + /**
1.116 + * Add an address to the list.
1.117 + * @param text the category to add
1.118 + * @return true
1.119 + * @see List#add(java.lang.Object)
1.120 + */
1.121 + public final boolean add(final String text) {
1.122 + return texts.add(text);
1.123 + }
1.124 +
1.125 + /**
1.126 + * @return boolean indicates if the list is empty
1.127 + * @see List#isEmpty()
1.128 + */
1.129 + public final boolean isEmpty() {
1.130 + return texts.isEmpty();
1.131 + }
1.132 +
1.133 + /**
1.134 + * @return an iterator
1.135 + * @see List#iterator()
1.136 + */
1.137 + public final Iterator iterator() {
1.138 + return texts.iterator();
1.139 + }
1.140 +
1.141 + /**
1.142 + * Remove a text from the list.
1.143 + * @param text the text element to remove
1.144 + * @return true if the list contained the specified text element
1.145 + * @see List#remove(java.lang.Object)
1.146 + */
1.147 + public final boolean remove(final String text) {
1.148 + return texts.remove(text);
1.149 + }
1.150 +
1.151 + /**
1.152 + * @return the number of text elements in the list
1.153 + * @see List#size()
1.154 + */
1.155 + public final int size() {
1.156 + return texts.size();
1.157 + }
1.158 +}
