1 /* 2 * Copyright (C) 2008 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 17 package com.android.emailcommon.utility; 18 19 import java.io.FilterOutputStream; 20 import java.io.IOException; 21 import java.io.OutputStream; 22 23 public class EOLConvertingOutputStream extends FilterOutputStream { 24 int lastChar; 25 26 public EOLConvertingOutputStream(OutputStream out) { 27 super(out); 28 } 29 30 @Override 31 public void write(int oneByte) throws IOException { 32 if (oneByte == '\n') { 33 if (lastChar != '\r') { 34 super.write('\r'); 35 } 36 } 37 super.write(oneByte); 38 lastChar = oneByte; 39 } 40 41 @Override 42 public void flush() throws IOException { 43 if (lastChar == '\r') { 44 super.write('\n'); 45 lastChar = '\n'; 46 } 47 super.flush(); 48 } 49 } 50
