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annotate src/ch/ethz/ssh2/SFTPOutputStream.java @ 384:b919cd3d6e2f

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author Carl Byington <carl@five-ten-sg.com>
date Wed, 06 Aug 2014 11:34:32 -0700
parents 071eccdff8ea
children
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1 /*
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2 * Copyright (c) 2011 David Kocher. All rights reserved.
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3 * Please refer to the LICENSE.txt for licensing details.
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4 */
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5 package ch.ethz.ssh2;
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6
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7 import java.io.IOException;
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8 import java.io.OutputStream;
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9
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10 /**
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11 * @version $Id: SFTPOutputStream.java 151 2014-04-28 10:03:39Z dkocher@sudo.ch $
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12 */
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13 public class SFTPOutputStream extends OutputStream {
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14
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15 private SFTPFileHandle handle;
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16
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17 /**
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18 * Offset (in bytes) in the file to write
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19 */
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20 private long writeOffset = 0;
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21
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22 public SFTPOutputStream(SFTPFileHandle handle) {
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23 this.handle = handle;
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24 }
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25
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26 /**
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27 * Writes <code>len</code> bytes from the specified byte array
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28 * starting at offset <code>off</code> to this output stream.
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29 * The general contract for <code>write(b, off, len)</code> is that
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30 * some of the bytes in the array <code>b</code> are written to the
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31 * output stream in order; element <code>b[off]</code> is the first
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32 * byte written and <code>b[off+len-1]</code> is the last byte written
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33 * by this operation.
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34 *
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35 * @see SFTPClient#write(SFTPFileHandle, long, byte[], int, int)
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36 */
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37 @Override
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38 public void write(byte[] buffer, int offset, int len) throws IOException {
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39 // We can just blindly write the whole buffer at once.
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40 // if <code>len</code> &gt; 32768, then the write operation will
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41 // be split into multiple writes in SFTPv3Client#write.
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42 handle.getClient().write(handle, writeOffset, buffer, offset, len);
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43 writeOffset += len;
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44 }
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45
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46 @Override
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47 public void write(int b) throws IOException {
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48 byte[] buffer = new byte[1];
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49 buffer[0] = (byte) b;
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50 handle.getClient().write(handle, writeOffset, buffer, 0, 1);
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51 writeOffset += 1;
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52 }
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53
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54 public long skip(long n) {
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55 writeOffset += n;
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56 return n;
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57 }
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58
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59 @Override
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60 public void close() throws IOException {
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61 handle.getClient().closeFile(handle);
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62 }
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63 }