001/** 002 * 003 * Copyright 2019 Florian Schmaus 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smack.util; 018 019import java.io.ByteArrayOutputStream; 020import java.io.IOException; 021import java.io.OutputStream; 022 023public class OutputStreamUtil { 024 025 public static void writeByteSafe(OutputStream outputStream, int i, String message) throws IOException { 026 if (i < 0 || i > 0xff) { 027 throw new IOException(message + ". The value " + i + " is not within the allowed range for bytes"); 028 } 029 outputStream.write(i); 030 } 031 032 public static void writeResetAndFlush(ByteArrayOutputStream byteArrayOutputStream, OutputStream outputStream) 033 throws IOException { 034 byteArrayOutputStream.writeTo(outputStream); 035 byteArrayOutputStream.reset(); 036 outputStream.flush(); 037 } 038 039}