edu.jdomengine.core.attr.JDomManyAttribute.java Source code

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Here is the source code for edu.jdomengine.core.attr.JDomManyAttribute.java

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/* 
 *   Copyright (C) 2014 Arnaud PETIT <arnaud.petit@minesdedouai.fr>
 *   
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or (at your option) any later version.
 *   
 *   This library is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *   Lesser General Public License for more details.
 *   
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
 *   MA 02110-1301 USA
 */

package edu.jdomengine.core.attr;

import org.apache.commons.lang.StringEscapeUtils;

import edu.jdomengine.interfaces.IJDom;
import edu.jdomengine.interfaces.IJDomNode;

/**
 * Class representing a many attribute, i.e. an attribute that may have a list
 * of elements, separated by any character (default is space)
 */
abstract public class JDomManyAttribute extends JDomPromptAttribute {
    private static final long serialVersionUID = 1L;

    /**
     * Constructor for attributes with many values.
     * @param node {@link IJDomNode} the parent node of this one
     */
    protected JDomManyAttribute(IJDomNode node) {
        super(node);
    }

    protected String separator = IJDom.SPACE;

    /**
     * Adds a new token to the list.
     * @param token the string to add to the list
     */
    public void add(String token) {
        if (!(this.value == null || token.equals(IJDom.EMPTY_STRING) || this.value.equals(IJDom.EMPTY_STRING))) {
            this.value += this.separator + StringEscapeUtils.escapeHtml(token);
        }
    }

}