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annotate test/org/tmatesoft/hg/test/ExecHelper.java @ 102:a3a2e5deb320

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Updated contact address to support@hg4j.com
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 28 Jan 2011 03:50:52 +0100
parents 52dc3f4cfc76
children 0170f95ca915
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1 /*
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2 * Copyright (c) 2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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a3a2e5deb320 Updated contact address to support@hg4j.com
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.test;
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19 import java.io.File;
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20 import java.io.IOException;
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21 import java.io.InputStreamReader;
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22 import java.nio.CharBuffer;
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23 import java.util.LinkedList;
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24
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25 /**
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26 *
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27 * @author Artem Tikhomirov
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28 * @author TMate Software Ltd.
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29 */
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30 public class ExecHelper {
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32 private final OutputParser parser;
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33 private final File dir;
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35 public ExecHelper(OutputParser outParser, File workingDir) {
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36 parser = outParser;
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37 dir = workingDir;
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38 }
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40 public void run(String... cmd) throws IOException, InterruptedException {
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41 Process p = new ProcessBuilder(cmd).directory(dir).redirectErrorStream(true).start();
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42 // Process p = Runtime.getRuntime().exec(cmd, null, dir);
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43 InputStreamReader stdOut = new InputStreamReader(p.getInputStream());
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44 LinkedList<CharBuffer> l = new LinkedList<CharBuffer>();
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45 int r = -1;
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46 CharBuffer b = null;
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47 do {
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48 if (b == null || b.remaining() < b.capacity() / 3) {
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49 b = CharBuffer.allocate(512);
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50 l.add(b);
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51 }
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52 r = stdOut.read(b);
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53 } while (r != -1);
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54 int total = 0;
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55 for (CharBuffer cb : l) {
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56 total += cb.position();
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57 cb.flip();
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58 }
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59 CharBuffer res = CharBuffer.allocate(total);
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60 for (CharBuffer cb : l) {
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61 res.put(cb);
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62 }
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63 res.flip();
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64 p.waitFor();
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65 parser.parse(res);
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66 }
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67 }