Java HTML Filter filterHtmlAndTruncate(String s)

Description

filter Html And Truncate

License

Apache License

Declaration

public static String filterHtmlAndTruncate(String s) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static final int MAX_CONTENT_LENGTH = 255;
    public static final int MAX_WORD_LENGTH = 20;

    public static String filterHtmlAndTruncate(String s) {
        return filterHtmlAndTruncate(s, MAX_CONTENT_LENGTH);
    }/*from w w  w.  jav  a 2 s. c o m*/

    public static String filterHtmlAndTruncate(String s, int maxLength) {
        String content = filterHtml(s);

        // then truncate, if necessary
        if (content == null) {
            return "";
        } else {
            StringBuilder buf = new StringBuilder();

            String words[] = content.split("\\s");
            for (int i = 0; i < words.length; i++) {
                if (buf.length() + words[i].length() > maxLength) {
                    buf.append("...");
                    return buf.toString();
                } else if (words[i].length() > MAX_WORD_LENGTH) {
                    buf.append(words[i].substring(0, MAX_WORD_LENGTH));
                    buf.append("...");
                    return buf.toString();
                } else {
                    buf.append(words[i]);
                    if ((i + 1) < words.length) {
                        buf.append(" ");
                    }
                }
            }

            return buf.toString();
        }
    }

    /**
     * Filters out all HTML tags.
     *
     * @param s   the String to filter
     * @return    the filtered String
     */
    public static String filterHtml(String s) {
        if (s == null) {
            return null;
        }

        s = s.replaceAll("&lt;", "");
        s = s.replaceAll("&gt;", "");
        s = s.replaceAll("&nbsp;", "");
        s = s.replaceAll("(?s)<!--.*?-->", "");
        return s.replaceAll("(?s)<.*?>", "");
    }
}

Related

1. filterHTML(String input)
2. filterHTML(String input)
3. filterHtml(String input)
4. filterHTML(String s)
5. filterHtml(String s)
6. filterHtmlAndTruncate(String s)
7. filterHtmlTag(String body)
8. filterHtmlTag(String content)
9. filterHtmlTag(String input)