shared/src/main/java/org/apache/hupa/shared/Util.java

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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
 * with the License.  You may obtain a copy of the License at   *
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 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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package org.apache.hupa.shared;

import java.util.ArrayList;
import java.util.List;

public class Util {

    public final static String HTML_LT = "<";
    public final static String STRING_LT = "<";
    public final static String HTML_GT = "&gt;";
    public final static String STRING_GT = ">";
    public final static String HTML_CR = "<br>";
    public final static String STRING_CR = "\n";

    public static String unEscapeHtmlTags(String string) {
        if (string != null) {
            string = string.replaceAll(HTML_LT, STRING_LT);
            string = string.replaceAll(HTML_GT, STRING_GT);
            string = string.replaceAll(HTML_CR, STRING_CR);
        }
        return string;
    }

    public static String escapeHtmlTags(String string) {
        if (string != null) {
            string = string.replaceAll(STRING_LT, HTML_LT);
            string = string.replaceAll(STRING_GT, HTML_GT);
        }
        return string;
    }

    public static <T> String listToString(List<T> list) {
        return list == null ? "" : new ArrayList<T>(list).toString().replaceFirst("^\\[(.*)\\]$", "$1");
    }
}