Java String Trim Left lefttrim(String str)

Description

Removes all spaces from a string

License

Open Source License

Declaration

public static String lefttrim(String str) 

Method Source Code

//package com.java2s;
/*/*from www . j a  v  a  2 s  .c  o m*/
 * $Id: StringUtil.java,v 1.5 2003/11/17 21:20:27 ajzeneski Exp $
 *
 *  Copyright (c) 2001, 2002 The Open For Business Project - www.ofbiz.org
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a
 *  copy of this software and associated documentation files (the "Software"),
 *  to deal in the Software without restriction, including without limitation
 *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
 *  and/or sell copies of the Software, and to permit persons to whom the
 *  Software is furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included
 *  in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 *  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
 *  OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 *  THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

public class Main {
    /** Removes all spaces from a string */
    public static String lefttrim(String str) {
        String newString = str;

        for (int i = 0; i < newString.length(); i++) {
            if (newString.charAt(i) != ' ') {
                newString = newString.substring(i);
                break;
            }
        }
        return newString;
    }

    public static int length(String s) {
        if (s == null)
            return 0;
        char[] c = s.toCharArray();
        int len = 0;
        for (int i = 0; i < c.length; i++) {
            len++;
            if (!isLetter(c[i])) {
                len++;
            }
        }
        return len;
    }

    public static String substring(String origin, int len) {
        if (origin == null || origin.equals("") || len < 1)
            return "";
        byte[] strByte = new byte[len];
        if (len > origin.getBytes().length) {
            return origin;
        }
        System.arraycopy(origin.getBytes(), 0, strByte, 0, len);
        int count = 0;
        for (int i = 0; i < len; i++) {
            int value = (int) strByte[i];
            if (value < 0) {
                count++;
            }
        }
        if (count % 2 != 0) {
            len = (len == 1) ? ++len : --len;
        }
        return new String(strByte, 0, len);
    }

    public static boolean isLetter(char c) {
        int k = 0x80;
        return c / k == 0 ? true : false;
    }
}

Related

1. leftTrim(final String aString)
2. leftTrim(final String input)
3. leftTrim(final String input, final char charToTrim)
4. leftTrim(String input, char charToTrim)
5. leftTrim(String rawString)
6. leftTrim(String str)
7. leftTrim(String str)
8. leftTrim(String string)
9. leftTrim(String value)