1cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath/* 2cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Licensed to the Apache Software Foundation (ASF) under one or more 3cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * contributor license agreements. See the NOTICE file distributed with 4cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * this work for additional information regarding copyright ownership. 5cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * The ASF licenses this file to You under the Apache License, Version 2.0 6cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * (the "License"); you may not use this file except in compliance with 7cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * the License. You may obtain a copy of the License at 8cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 9cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * http://www.apache.org/licenses/LICENSE-2.0 10cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 11cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Unless required by applicable law or agreed to in writing, software 12cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * distributed under the License is distributed on an "AS IS" BASIS, 13cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * See the License for the specific language governing permissions and 15cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * limitations under the License. 16cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 17cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 18ab762bb740405d0fefcccf4a0899a234f995be13Narayan Kamathpackage org.apache.harmony.tests.java.io; 19cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 20cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport junit.framework.TestSuite; 21cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport org.apache.harmony.testframework.CharSinkTester; 22cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport org.apache.harmony.testframework.CharWrapperTester; 23cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport tests.support.Streams; 24cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 25cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.BufferedWriter; 26cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.ByteArrayOutputStream; 27cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.CharArrayWriter; 28cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.File; 29cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.FileReader; 30cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.FileWriter; 31cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.FilterWriter; 32cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.IOException; 33cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.OutputStreamWriter; 34cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.PipedReader; 35cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.PipedWriter; 36cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.PrintWriter; 37cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.StringWriter; 38cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.Writer; 39cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.util.concurrent.Callable; 40cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.util.concurrent.ExecutorService; 41cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.util.concurrent.Executors; 42cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.util.concurrent.Future; 43cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 44cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath/** 45cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Tests basic {@link Writer} behaviors for the luni implementations of the type. 46cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 47cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathpublic class WriterTesterTest { 48cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 49ab762bb740405d0fefcccf4a0899a234f995be13Narayan Kamath // TODO: Rewrite this test so that id doesn't need a suite(). 50ab762bb740405d0fefcccf4a0899a234f995be13Narayan Kamath private static junit.framework.Test suite() { 51cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath TestSuite suite = new TestSuite(); 52cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 53cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // sink tests 54cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new FileWriterCharSinkTester(true).createTests()); 55cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new FileWriterCharSinkTester(false).createTests()); 56cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new CharArrayWriterCharSinkTester().setThrowsExceptions(false).createTests()); 57cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new StringWriterCharSinkTester().setThrowsExceptions(false).createTests()); 58cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new PipedWriterCharSinkTester().createTests()); 59cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 60cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // wrapper tests 61cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new BufferedWriterCharSinkTester(1).createTests()); 62cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new BufferedWriterCharSinkTester(5).createTests()); 63cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new BufferedWriterCharSinkTester(1024).createTests()); 64cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new FilterWriterCharSinkTester().createTests()); 65cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new PrintWriterCharSinkTester().setThrowsExceptions(false).createTests()); 66cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath suite.addTest(new OutputStreamWriterCharSinkTester().createTests()); 67cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 68cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return suite; 69cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 70cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 71cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private static class FileWriterCharSinkTester extends CharSinkTester { 72cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private final boolean append; 73cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private File file; 74cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 75cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public FileWriterCharSinkTester(boolean append) { 76cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath this.append = append; 77cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 78cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 79cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 80cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public Writer create() throws Exception { 81cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath file = File.createTempFile("FileOutputStreamSinkTester", "tmp"); 82cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath file.deleteOnExit(); 83cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return new FileWriter(file, append); 84cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 85cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 86cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 87cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public char[] getChars() throws Exception { 88cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return Streams.streamToString(new FileReader(file)).toCharArray(); 89cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 90cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 91cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 92cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private static class CharArrayWriterCharSinkTester extends CharSinkTester { 93cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private CharArrayWriter writer; 94cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 95cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 96cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public Writer create() throws Exception { 97cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath writer = new CharArrayWriter(); 98cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return writer; 99cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 100cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 101cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 102cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public char[] getChars() throws Exception { 103cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return writer.toCharArray(); 104cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 105cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 106cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 107cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private static class PipedWriterCharSinkTester extends CharSinkTester { 108cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 109cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private ExecutorService executor; 110cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private Future<char[]> future; 111cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 112cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public Writer create() throws IOException { 113cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath final PipedReader in = new PipedReader(); 114cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath PipedWriter out = new PipedWriter(in); 115cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 116cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath executor = Executors.newSingleThreadExecutor(); 117cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath future = executor.submit(new Callable<char[]>() { 118cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath final CharArrayWriter chars = new CharArrayWriter(); 119cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 120cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public char[] call() throws Exception { 121cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath char[] buffer = new char[256]; 122cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath int count; 123cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath while ((count = in.read(buffer)) != -1) { 124cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath chars.write(buffer, 0, count); 125cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 126cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return chars.toCharArray(); 127cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 128cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath }); 129cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 130cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return out; 131cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 132cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 133cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 134cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public char[] getChars() throws Exception { 135cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath executor.shutdown(); 136cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return future.get(); 137cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 138cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 139cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 140cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private static class StringWriterCharSinkTester extends CharSinkTester { 141cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private StringWriter writer; 142cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 143cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 144cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public Writer create() throws Exception { 145cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath writer = new StringWriter(); 146cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return writer; 147cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 148cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 149cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 150cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public char[] getChars() throws Exception { 151cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return writer.toString().toCharArray(); 152cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 153cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 154cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 155cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private static class BufferedWriterCharSinkTester extends CharWrapperTester { 156cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private final int bufferSize; 157cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 158cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private BufferedWriterCharSinkTester(int bufferSize) { 159cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath this.bufferSize = bufferSize; 160cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 161cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 162cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 163cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public Writer create(Writer delegate) throws Exception { 164cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return new BufferedWriter(delegate, bufferSize); 165cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 166cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 167cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 168cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public char[] decode(char[] delegateChars) throws Exception { 169cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return delegateChars; 170cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 171cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 172cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 173cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private static class FilterWriterCharSinkTester extends CharWrapperTester { 174cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 175cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public Writer create(Writer delegate) throws Exception { 176cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return new FilterWriter(delegate) { 177cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath }; 178cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 179cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 180cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 181cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public char[] decode(char[] delegateChars) throws Exception { 182cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return delegateChars; 183cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 184cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 185cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 186cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private static class PrintWriterCharSinkTester extends CharWrapperTester { 187cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 188cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public Writer create(Writer delegate) throws Exception { 189cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return new PrintWriter(delegate) { 190cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath }; 191cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 192cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 193cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 194cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public char[] decode(char[] delegateChars) throws Exception { 195cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return delegateChars; 196cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 197cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 198cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 199cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private static class OutputStreamWriterCharSinkTester extends CharSinkTester { 200cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private ByteArrayOutputStream out; 201cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 202cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 203cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public Writer create() throws Exception { 204cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath out = new ByteArrayOutputStream(); 205cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return new OutputStreamWriter(out, "UTF-8"); 206cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 207cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 208cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 209cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public char[] getChars() throws Exception { 210cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return new String(out.toByteArray(), "UTF-8").toCharArray(); 211cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 212cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 213cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath} 214