Java String Pad Left lpadSapce(final String src, final int length)

Description

lpad Sapce

License

Open Source License

Declaration

public static String lpadSapce(final String src, final int length) 

Method Source Code

//package com.java2s;
/*/*ww w .ja  va 2s.co m*/
 License:
    
 blueprint-sdk is licensed under the terms of Eclipse Public License(EPL) v1.0
 (http://www.eclipse.org/legal/epl-v10.html)
    
    
 Distribution:
    
 Repository - https://github.com/lempel/blueprint-sdk.git
 Blog - http://lempel.egloos.com
 */

public class Main {
    public static String lpadSapce(final String src, final int length) {
        byte[] sourceArray = nvl(src).getBytes();
        byte[] targetArray = new byte[length];
        int count;

        if (sourceArray.length > length) {
            count = length;
        } else {
            count = sourceArray.length;
        }

        System.arraycopy(sourceArray, 0, targetArray, length - count, count);

        for (int i = 0; i < length - count; i++) {
            targetArray[i] = ' ';
        }

        return new String(targetArray);

    }

    @SuppressWarnings("WeakerAccess")
    public static String nvl(Object value) {
        String result;
        if (value == null) {
            result = "";
        } else {
            result = value.toString().trim();
        }
        return result;
    }

    public static String nvl(Object value, String defaultValue) {
        String result = defaultValue;
        if (value != null) {
            result = value.toString();
        }
        return result;
    }
}

Related

1. lpad(String str, String chr, int length)
2. lPad(String string, char[] padding, int length)
3. lPad(String target, String fix, int length)
4. lPad(String val, int length, String padChar)
5. lpadding(String s, int n, String padding)
6. lpadWithCount(String input, String str, int count)