/
TextList.java
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/
TextList.java
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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.model;
import net.fortuna.ical4j.util.Strings;
import java.io.Serializable;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
/**
* $Id$ [23-Apr-2004]
*
* Defines a list of iCalendar text elements.
* @author Ben Fortuna
*/
public class TextList implements Serializable, Iterable<String> {
private static final long serialVersionUID = -417427815871330636L;
private final List<String> texts;
/**
* Default constructor.
*/
public TextList() {
texts = new CopyOnWriteArrayList<String>();
}
/**
* Parses the specified string representation to create a list of categories.
* @param aValue a string representation of a list of categories
*/
public TextList(final String aValue) {
texts = new CopyOnWriteArrayList<String>();
final Pattern pattern = Pattern.compile("(?:\\\\.|[^\\\\,]++)+");
final Matcher matcher = pattern.matcher(aValue);
while (matcher.find()){
texts.add(Strings.unescape(matcher.group().replace("\\\\","\\")));
}
}
/**
* @param textValues an array of text values
*/
public TextList(String[] textValues) {
texts = Arrays.asList(textValues);
}
/**
* {@inheritDoc}
*/
@Override
public final String toString() {
return texts.stream().map(t -> Strings.escape(t)).collect(Collectors.joining(","));
}
/**
* Add an address to the list.
* @param text the category to add
* @return true
* @see List#add(java.lang.Object)
*/
public final boolean add(final String text) {
return texts.add(text);
}
/**
* @return boolean indicates if the list is empty
* @see List#isEmpty()
*/
public final boolean isEmpty() {
return texts.isEmpty();
}
/**
* @return an iterator
* @see List#iterator()
*/
@Override
public final Iterator<String> iterator() {
return texts.iterator();
}
/**
* Remove a text from the list.
* @param text the text element to remove
* @return true if the list contained the specified text element
* @see List#remove(java.lang.Object)
*/
public final boolean remove(final String text) {
return texts.remove(text);
}
/**
* @return the number of text elements in the list
* @see List#size()
*/
public final int size() {
return texts.size();
}
}