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Issue 5697499218051072: Usage of new API, cleanups (reduced) (Closed)
Patch Set: Even more review issues fixed. Created April 28, 2014, 10:18 a.m.
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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
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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