Removes the HTML, extra whitespace and carriage returns from a string - Java java.lang

Java examples for java.lang:String HTML

  1. HOME
  2. Java
  3. java.lang
  4. String HTML

Description

Removes the HTML, extra whitespace and carriage returns from a string

Demo Code

/**// w  w  w . j  a  v  a  2 s. c  o m
 * Copyright (c) 2005-2006 Aptana, Inc.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html. If redistributing this code,
 * this entire header must remain intact.
 */
import java.text.MessageFormat;

public class Main{
    /**
     * LINE_DELIMITER
     */
    public static final String LINE_DELIMITER = System.getProperty(
            "line.separator", "\r\n");
    /**
     * BULLET
     */
    public static final String BULLET = "\u2022 ";
    /**
     * EMPTY
     */
    public static final String EMPTY = "";
    /**
     * Removes the HTML, extra whitespace and carriage returns from a string
     * 
     * @param text
     *            The text to strip
     * @return The new text, reformatted
     */
    public static String formatAsPlainText(String text) {
        String tempText = StringUtils.stripCarriageReturns(text);
        tempText = StringUtils.stripWhitespace(tempText);
        tempText = StringUtils
                .replace(tempText, "</li>", StringUtils.EMPTY); //$NON-NLS-1$
        tempText = StringUtils.replace(tempText,
                "<li>", LINE_DELIMITER + "\t" + BULLET); //$NON-NLS-1$ //$NON-NLS-2$
        tempText = StringUtils.replace(tempText, "<p>", LINE_DELIMITER); //$NON-NLS-1$
        tempText = StringUtils.stripHTML(tempText);
        return tempText.trim();
    }
    /**
     * Removes all carriage returns from a string
     * 
     * @param text
     *            The string to strip of '\n'
     * @return The string minus the carriage returns
     */
    public static String stripCarriageReturns(String text) {
        if (text == null) {
            return null;
        }

        return text.replaceAll("\n", StringUtils.EMPTY); //$NON-NLS-1$
    }
    /**
     * Removes all extra whitespace (multiple spaces or tabs) from a string
     * 
     * @param text
     *            The string to strip of '\n'
     * @return The string minus the whitespace
     */
    public static String stripWhitespace(String text) {
        if (text == null) {
            return null;
        }

        return text.replaceAll("\\s+", " "); //$NON-NLS-1$ //$NON-NLS-2$
    }
    /**
     * Replace one string with another
     * 
     * @param str
     * @param pattern
     * @param replace
     * @return String
     */
    public static String replace(String str, String pattern, String replace) {

        int s = 0;
        int e = 0;
        StringBuffer result = new StringBuffer();

        while ((e = str.indexOf(pattern, s)) >= 0) {
            result.append(str.substring(s, e));
            result.append(replace);
            s = e + pattern.length();
        }
        result.append(str.substring(s));
        return result.toString();

    }
    /**
     * Strips HTML tags from text
     * 
     * @param text
     *            Text to strip
     * @return the text, minus any tags
     */
    public static String stripHTML(String text) {
        if (text == null) {
            return null;
        }

        String tempText = text.replaceAll("<p>", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
        return tempText.replaceAll("\\<.*?\\>", StringUtils.EMPTY); //$NON-NLS-1$
    }
}

Related Tutorials