| OLD | NEW |
| 1 /* | 1 /* |
| 2 * This file is part of Adblock Plus <http://adblockplus.org/>, | 2 * This file is part of Adblock Plus <http://adblockplus.org/>, |
| 3 * Copyright (C) 2006-2014 Eyeo GmbH | 3 * Copyright (C) 2006-2014 Eyeo GmbH |
| 4 * | 4 * |
| 5 * Adblock Plus is free software: you can redistribute it and/or modify | 5 * Adblock Plus is free software: you can redistribute it and/or modify |
| 6 * it under the terms of the GNU General Public License version 3 as | 6 * it under the terms of the GNU General Public License version 3 as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 8 * | 8 * |
| 9 * Adblock Plus is distributed in the hope that it will be useful, | 9 * Adblock Plus is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| (...skipping 15 matching lines...) Expand all Loading... |
| 26 * OutputStream. | 26 * OutputStream. |
| 27 */ | 27 */ |
| 28 public class ChunkedOutputStream extends FilterOutputStream | 28 public class ChunkedOutputStream extends FilterOutputStream |
| 29 { | 29 { |
| 30 private static final int MAX_CHUNK_SIZE = 2048; | 30 private static final int MAX_CHUNK_SIZE = 2048; |
| 31 | 31 |
| 32 private static final byte[] CRLF = {'\r', '\n'}; | 32 private static final byte[] CRLF = {'\r', '\n'}; |
| 33 private static final byte[] FINAL_CHUNK = new byte[] {'0', '\r', '\n', '\r', '
\n'}; | 33 private static final byte[] FINAL_CHUNK = new byte[] {'0', '\r', '\n', '\r', '
\n'}; |
| 34 private boolean wroteFinalChunk = false; | 34 private boolean wroteFinalChunk = false; |
| 35 | 35 |
| 36 public ChunkedOutputStream(OutputStream out) | 36 public ChunkedOutputStream(final OutputStream out) |
| 37 { | 37 { |
| 38 super(out); | 38 super(out); |
| 39 } | 39 } |
| 40 | 40 |
| 41 @Override | 41 @Override |
| 42 public void close() throws IOException | 42 public void close() throws IOException |
| 43 { | 43 { |
| 44 if (!wroteFinalChunk) | 44 if (!wroteFinalChunk) |
| 45 writeFinalChunk(); | 45 writeFinalChunk(); |
| 46 super.close(); | 46 super.close(); |
| 47 } | 47 } |
| 48 | 48 |
| 49 @Override | 49 @Override |
| 50 public void write(byte[] buffer, int offset, int length) throws IOException | 50 public void write(final byte[] buffer, final int offset, final int length) thr
ows IOException |
| 51 { | 51 { |
| 52 writeChunk(buffer, offset, length); | 52 writeChunk(buffer, offset, length); |
| 53 } | 53 } |
| 54 | 54 |
| 55 @Override | 55 @Override |
| 56 public void write(byte[] buffer) throws IOException | 56 public void write(final byte[] buffer) throws IOException |
| 57 { | 57 { |
| 58 int offset = 0; | 58 int offset = 0; |
| 59 int remain = buffer.length; | 59 int remain = buffer.length; |
| 60 while (remain > 0) | 60 while (remain > 0) |
| 61 { | 61 { |
| 62 int size = MAX_CHUNK_SIZE; | 62 int size = MAX_CHUNK_SIZE; |
| 63 if (size > remain) | 63 if (size > remain) |
| 64 size = remain; | 64 size = remain; |
| 65 writeChunk(buffer, offset, size); | 65 writeChunk(buffer, offset, size); |
| 66 offset += size; | 66 offset += size; |
| 67 remain -= size; | 67 remain -= size; |
| 68 } | 68 } |
| 69 } | 69 } |
| 70 | 70 |
| 71 @Override | 71 @Override |
| 72 public void write(int oneByte) throws IOException | 72 public void write(final int oneByte) throws IOException |
| 73 { | 73 { |
| 74 throw new UnsupportedOperationException("Not implemented"); | 74 throw new UnsupportedOperationException("Not implemented"); |
| 75 } | 75 } |
| 76 | 76 |
| 77 public void writeFinalChunk() throws IOException | 77 public void writeFinalChunk() throws IOException |
| 78 { | 78 { |
| 79 out.write(FINAL_CHUNK); | 79 out.write(FINAL_CHUNK); |
| 80 out.flush(); | 80 out.flush(); |
| 81 wroteFinalChunk = true; | 81 wroteFinalChunk = true; |
| 82 } | 82 } |
| 83 | 83 |
| 84 private void writeChunk(byte buffer[], int offset, int length) throws IOExcept
ion | 84 private void writeChunk(final byte buffer[], final int offset, final int lengt
h) throws IOException |
| 85 { | 85 { |
| 86 // Zero sized buffers are ok on slow connections but not in our case - zero | 86 // Zero sized buffers are ok on slow connections but not in our case - zero |
| 87 // chunk is used to indicate the end of transfer. | 87 // chunk is used to indicate the end of transfer. |
| 88 if (length > 0) | 88 if (length > 0) |
| 89 { | 89 { |
| 90 // Write the chunk length as a hex number | 90 // Write the chunk length as a hex number |
| 91 writeHex(length); | 91 writeHex(length); |
| 92 // Write the data | 92 // Write the data |
| 93 out.write(buffer, offset, length); | 93 out.write(buffer, offset, length); |
| 94 // Write a CRLF | 94 // Write a CRLF |
| 95 out.write(CRLF); | 95 out.write(CRLF); |
| 96 // Flush the underlying stream | 96 // Flush the underlying stream |
| 97 out.flush(); | 97 out.flush(); |
| 98 } | 98 } |
| 99 } | 99 } |
| 100 | 100 |
| 101 private void writeHex(int i) throws IOException | 101 private void writeHex(final int i) throws IOException |
| 102 { | 102 { |
| 103 out.write(Integer.toHexString(i).getBytes()); | 103 out.write(Integer.toHexString(i).getBytes()); |
| 104 out.write(CRLF); | 104 out.write(CRLF); |
| 105 } | 105 } |
| 106 } | 106 } |
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