1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.voicemail.impl.mail.utility; 17 18 import java.io.FilterOutputStream; 19 import java.io.IOException; 20 import java.io.OutputStream; 21 22 public class EOLConvertingOutputStream extends FilterOutputStream { 23 int lastChar; 24 25 public EOLConvertingOutputStream(OutputStream out) { 26 super(out); 27 } 28 29 @Override 30 public void write(int oneByte) throws IOException { 31 if (oneByte == '\n') { 32 if (lastChar != '\r') { 33 super.write('\r'); 34 } 35 } 36 super.write(oneByte); 37 lastChar = oneByte; 38 } 39 40 @Override 41 public void flush() throws IOException { 42 if (lastChar == '\r') { 43 super.write('\n'); 44 lastChar = '\n'; 45 } 46 super.flush(); 47 } 48 } 49
