Java String Chomp chompAllAndTrim(String str)

Description

Remove the end of line and tab characters from a String.

License

Open Source License

Parameter

Parameter	Description
str	the String to chop last character from, may be null

Return

String without last character, null if null String input

Declaration

public static String chompAllAndTrim(String str) 

Method Source Code

//package com.java2s;
/*/*from w w w  .  j  a  v a 2  s  .co m*/
 * Copyright (c) 2007-2016 AREasy Runtime
 *
 * This library, AREasy Runtime and API for BMC Remedy AR System, is free software ("Licensed Software");
 * you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either version 2.1 of the License,
 * or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * including but not limited to, the implied warranty of MERCHANTABILITY, NONINFRINGEMENT,
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 */

public class Main {
    /**
     * <p>Remove the end of line and tab characters from a String. Also this method apply a trimming procedure</p>
     * <p/>
     * <p>If the String contains <code>\r\n</code> and <code>\t</code>, then remove them.</p>
     * <p/>
     * <pre>
     * StringUtility.chop(null)          = null
     * StringUtility.chop("")            = ""
     * StringUtility.chop("abc \r")      = "abc"
     * StringUtility.chop("abc\n")       = "abc"
     * StringUtility.chop("abc\r\n")     = "abc"
     * StringUtility.chop("a bc")        = "a bc"
     * StringUtility.chop("abc\nabc")    = "abcab"
     * StringUtility.chop("a")           = ""
     * StringUtility.chop("\r")          = ""
     * StringUtility.chop("\n")          = ""
     * StringUtility.chop("\r\n")        = ""
     * </pre>
     *
     * @param str the String to chop last character from, may be null
     * @return String without last character, <code>null</code> if null String input
     */
    public static String chompAllAndTrim(String str) {
        StringBuffer buffer = new StringBuffer();

        for (int i = 0; i < str.length(); i++) {
            if (str.charAt(i) != '\n' && str.charAt(i) != '\r' && str.charAt(i) != '\t')
                buffer.append(str.charAt(i));
        }

        str = buffer.toString();
        buffer = null;

        return str;
    }

    /**
     * Append a new string arguments into an original text.
     */
    public static String append(String original, String argStr) {
        if (isNotEmpty(argStr))
            return (original + argStr);
        else
            return original;
    }

    /**
     * <p>Checks if a String is not empty ("") and not null.</p>
     * <p/>
     * <pre>
     * StringUtility.isNotEmpty(null)      = false
     * StringUtility.isNotEmpty("")        = false
     * StringUtility.isNotEmpty(" ")       = true
     * StringUtility.isNotEmpty("bob")     = true
     * StringUtility.isNotEmpty("  bob  ") = true
     * </pre>
     *
     * @param str the String to check, may be null
     * @return <code>true</code> if the String is not empty and not null
     */
    public static boolean isNotEmpty(String str) {
        return str != null && str.length() > 0;
    }
}

Related

1. chomp(String str)
2. chomp(String str, String sep)
3. chomp(String str, String separator)
4. chomp(String value)
5. chomp(StringBuilder sb)
6. chompClosureOpen(String expr)
7. chompHeader(String str, String prex)
8. chompLast(String str)
9. chompLast(String str, String sep)