de.griffel.confluence.plugins.plantuml.GraphVizUtils.java Source code

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Here is the source code for de.griffel.confluence.plugins.plantuml.GraphVizUtils.java

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/*
 * Copyright (C) 2011 Michael Griffel
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * This distribution includes other third-party libraries.
 * These libraries and their corresponding licenses (where different
 * from the GNU General Public License) are enumerated below.
 *
 * PlantUML is a Open-Source tool in Java to draw UML Diagram.
 * The software is developed by Arnaud Roques at
 * http://plantuml.sourceforge.org.
 */
package de.griffel.confluence.plugins.plantuml;

import org.apache.commons.lang.StringEscapeUtils;

/**
 * GraphViz Utils.
 */
public final class GraphVizUtils {
    private GraphVizUtils() {
        // utility class - no instances allowed
    }

    /**
     * Converts the given string to a dot label string.
     *
     * @param s the string that should be used a label string.
     * @return dot label string.
     * @see http://www.graphviz.org/doc/info/attrs.html#k:lblString
     */
    public static String toNodeLabel(String s) {
        // HTML-escape the string twice since it will be unwrapped once in PlantUmlMacro#execute(...)
        return StringEscapeUtils.escapeHtml(StringEscapeUtils.escapeHtml(s));
    }
}