/*
* #%L
* =====================================================
* _____ _ ____ _ _ _ _
* |_ _|_ __ _ _ ___| |_ / __ \| | | | ___ | | | |
* | | | '__| | | / __| __|/ / _` | |_| |/ __|| |_| |
* | | | | | |_| \__ \ |_| | (_| | _ |\__ \| _ |
* |_| |_| \__,_|___/\__|\ \__,_|_| |_||___/|_| |_|
* \____/
*
* =====================================================
*
* Hochschule Hannover
* (University of Applied Sciences and Arts, Hannover)
* Faculty IV, Dept. of Computer Science
* Ricklinger Stadtweg 118, 30459 Hannover, Germany
*
* Email: trust@f4-i.fh-hannover.de
* Website: http://trust.f4.hs-hannover.de/
*
* This file is part of visitmeta-visualization, version 0.6.0,
* implemented by the Trust@HsH research group at the Hochschule Hannover.
* %%
* Copyright (C) 2012 - 2016 Trust@HsH
* %%
* 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.
* #L%
*/
package de.hshannover.f4.trust.visitmeta.util;
/**
* Utility class for handling {@link String} objects.
*
* @author Bastian Hellmann
*
*/
public class StringHelper {
/**
* Private constructor, as the the class only contains static methods.
*/
private StringHelper() {
}
/**
* Breaks a long string into multiple lines.
*
* From: http://stackoverflow.com/questions/7696347/to-break-a-message-in-two-or-more-lines-in-joptionpane
*
* @param input
* the input text
* @param charLimit
* the limit of characters per line
* @return a {@link String} with the input text splitted into multiple lines if necessary.
*/
public static String breakLongString(String input, int charLimit) {
String output = "", rest = input;
int i = 0;
// validate.
if (rest.length() < charLimit) {
output = rest;
} else if (!rest.equals("")
&& (rest != null)) // safety precaution
{
do { // search the next index of interest.
i = rest.lastIndexOf(" ", charLimit)
+ 1;
if (i == -1)
i = charLimit;
if (i > rest.length())
i = rest.length();
// break!
output += rest.substring(0, i)
+ "\n";
rest = rest.substring(i);
} while ((rest.length() > charLimit));
output += rest;
}
return output;
}
}