Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/**
 * 
 * Copyright 2008 - 2009
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 * 
 * @project loonframework
 * @author chenpeng
 * @emailceponline@yahoo.com.cn
 * @version 0.1
 */

import java.io.UnsupportedEncodingException;

public class Main {
    public static final String ASCII_CHARSET = "US-ASCII";

    public static String fillSpaceByByte(String str, int length) {
        byte[] strbyte = str.getBytes();
        int strLength = strbyte.length;
        if (strLength >= length) {
            return str;
        }
        StringBuffer spaceBuffer = new StringBuffer();
        for (int i = 0; i < (length - strLength); i++) {
            spaceBuffer.append(" ");
        }
        return str.concat(spaceBuffer.toString());
    }

    public static byte[] getBytes(String data) {
        if (data == null) {
            throw new IllegalArgumentException("Parameter may not be null");
        }
        try {
            return data.getBytes(ASCII_CHARSET);
        } catch (UnsupportedEncodingException e) {

        }

        return data.getBytes();
    }
}