/*
* Copyright 2008-2010 the original author or authors
*
* 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.
*/
//package org.kaleidofoundry.core.util;
/**
* String Helper static method
*
* @author Jerome RADUGET
*/
public abstract class StringHelper {
/**
* Right pad the given text parameter
*
*
* Assertions:
* assertNull(StringHelper.rightPad(null, 10));
* assertEquals("", StringHelper.rightPad("", 0));
* assertEquals(" ", StringHelper.rightPad("", 1));
* assertEquals(" ", StringHelper.rightPad("", 5));
* assertEquals("Hello ", StringHelper.rightPad("Hello", 10));
* assertEquals(" ", StringHelper.rightPad(" ", 0));
* assertEquals(" ", StringHelper.rightPad(" ", 1));
* assertEquals(" ", StringHelper.rightPad(" ", 3));
*
*
* @param text
* @param size
* @return Right pad of the given text parameter
*/
public static String rightPad(final String text, final int size) {
return rightPad(text, size, ' ');
}
/**
* Right pad the given text parameter
*
*
* Assertions:
* assertNull(StringHelper.rightPad(null, 10, '*'));
* assertEquals("", StringHelper.rightPad("", 0, '*'));
* assertEquals("*", StringHelper.rightPad("", 1, '*'));
* assertEquals("*****", StringHelper.rightPad("", 5, '*'));
* assertEquals("Hello*****", StringHelper.rightPad("Hello", 10, '*'));
* assertEquals("*****", StringHelper.rightPad("*****", 0, '*'));
* assertEquals("*****", StringHelper.rightPad("*****", 1, '*'));
* assertEquals("*****", StringHelper.rightPad("*****", 3, '*'));
*
*
* @param text
* @param size
* @param padChar
* @return Right pad of the given text parameter
*/
public static String rightPad(final String text, final int size,
final char padChar) {
if (text == null) {
return null;
}
final StringBuilder paddedText = new StringBuilder(size);
paddedText.append(text);
while (paddedText.length() < size) {
paddedText.append(padChar);
}
return paddedText.toString();
}
}