Mercurial > hg4j
diff test/org/tmatesoft/hg/test/ExecHelper.java @ 66:52dc3f4cfc76
Primitive test suite in org.tmatesoft
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
---|---|
date | Fri, 21 Jan 2011 18:20:05 +0100 |
parents | test/com/tmate/hgkit/ExecHelper.java@fac8e7fcc8b0 |
children | a3a2e5deb320 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/org/tmatesoft/hg/test/ExecHelper.java Fri Jan 21 18:20:05 2011 +0100 @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2011 TMate Software Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * For information on how to redistribute this software under + * the terms of a license other than GNU General Public License + * contact TMate Software at support@svnkit.com + */ +package org.tmatesoft.hg.test; + +import java.io.File; +import java.io.IOException; +import java.io.InputStreamReader; +import java.nio.CharBuffer; +import java.util.LinkedList; + +/** + * + * @author Artem Tikhomirov + * @author TMate Software Ltd. + */ +public class ExecHelper { + + private final OutputParser parser; + private final File dir; + + public ExecHelper(OutputParser outParser, File workingDir) { + parser = outParser; + dir = workingDir; + } + + public void run(String... cmd) throws IOException, InterruptedException { + Process p = new ProcessBuilder(cmd).directory(dir).redirectErrorStream(true).start(); +// Process p = Runtime.getRuntime().exec(cmd, null, dir); + InputStreamReader stdOut = new InputStreamReader(p.getInputStream()); + LinkedList<CharBuffer> l = new LinkedList<CharBuffer>(); + int r = -1; + CharBuffer b = null; + do { + if (b == null || b.remaining() < b.capacity() / 3) { + b = CharBuffer.allocate(512); + l.add(b); + } + r = stdOut.read(b); + } while (r != -1); + int total = 0; + for (CharBuffer cb : l) { + total += cb.position(); + cb.flip(); + } + CharBuffer res = CharBuffer.allocate(total); + for (CharBuffer cb : l) { + res.put(cb); + } + res.flip(); + p.waitFor(); + parser.parse(res); + } +}