org.runway.utils.TextUtils.java Source code

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Here is the source code for org.runway.utils.TextUtils.java

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/*
 *  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/>.
 *
 *  copyright (C) 2012 nambi sankaran.
 */

package org.runway.utils;

import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import org.jsoup.Jsoup;
import org.springframework.security.core.codec.Base64;

public class TextUtils {

    public static String convertNewLineToBreak(String text) {

        String textChg = text.replaceAll("\n", "<br/>");

        return textChg;
    }

    public static boolean isEmpty(String value) {
        boolean result = false;

        if (value == null || value.trim().equals("")) {
            result = true;
        }

        return result;
    }

    public static String getSubStringOfLength(String value, int len) {

        String result = null;
        if (isEmpty(value)) {
            result = value;
        } else {

            if (value.length() <= len) {
                result = value;
            } else {
                result = value.substring(0, len);
            }
        }

        return result;
    }

    public static String getUrlFromString(String str) {
        String result = null;
        str = str.replaceAll("[/\\\\]+", "\\" + "-");
        result = str.replaceAll("\\s", "-");
        return result;
    }

    public static String extractTextFromHtml(String htmlStr) {
        return Jsoup.parse(htmlStr).text();
    }

    public static boolean isValidEmail(String email) {
        boolean result = false;
        if (email.length() > 2 && email.contains("@") && email.contains(".")) {
            result = true;
        }
        return result;
    }

    /**
     * Generates MD5 for the text passed
     * @param text
     * @return
     */
    public static String genMD5(String text) {
        MessageDigest m;
        try {
            m = MessageDigest.getInstance("MD5");
            m.update(text.getBytes(), 0, text.length());
            return new BigInteger(1, m.digest()).toString(16);
        } catch (NoSuchAlgorithmException e) {// return same text if there was
            // an error
            e.printStackTrace();
            return text;
        }
    }

    /**
     * Generates Hash for the string passed
     * @param original
     * @return
     */
    public static String genHash(String original) {
        byte[] digested = original.getBytes();
        byte[] encoded = Base64.encode(digested);
        return new String(encoded);
    }

    public static void main(String args[]) {
        System.out.println(genHash("324231421"));

    }
}