Here you can find the source of splitIntoFrames(String src, int maxFrameSize)
public static String[] splitIntoFrames(String src, int maxFrameSize)
//package com.java2s; /*/* www .j ava 2 s . com*/ * Copyright 2017 Google Inc. * * 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. */ import java.util.ArrayList; public class Main { public static String[] splitIntoFrames(String src, int maxFrameSize) { if (src.length() <= maxFrameSize) { return new String[] { src }; } else { ArrayList<String> segs = new ArrayList<>(); for (int i = 0; i < src.length(); i += maxFrameSize) { int end = Math.min(i + maxFrameSize, src.length()); String seg = src.substring(i, end); segs.add(seg); } return segs.toArray(new String[segs.size()]); } } }