Here you can find the source of toAsciiBytes(String data)
public static byte[] toAsciiBytes(String data)
//package com.java2s; /*// w w w . jav a 2s. c om * Copyright 2010 Patrick Woodworth * * 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.io.UnsupportedEncodingException; public class Main { public static byte[] toAsciiBytes(String data) { try { return data == null ? null : data.getBytes("US-ASCII"); } catch (UnsupportedEncodingException e) { throw new IllegalStateException(e); } } }