List of usage examples for org.apache.commons.exec PumpStreamHandler PumpStreamHandler
public PumpStreamHandler(final OutputStream out, final OutputStream err)
PumpStreamHandler. From source file:org.apache.hcatalog.templeton.ExecServiceImpl.java
private ExecBean auxRun(String program, List<String> args, Map<String, String> env) throws NotAuthorizedException, ExecuteException, IOException { DefaultExecutor executor = new DefaultExecutor(); executor.setExitValues(null);// w w w .j ava 2s .co m // Setup stdout and stderr int nbytes = appConf.getInt(AppConfig.EXEC_MAX_BYTES_NAME, -1); ByteArrayOutputStream outStream = new MaxByteArrayOutputStream(nbytes); ByteArrayOutputStream errStream = new MaxByteArrayOutputStream(nbytes); executor.setStreamHandler(new PumpStreamHandler(outStream, errStream)); // Only run for N milliseconds int timeout = appConf.getInt(AppConfig.EXEC_TIMEOUT_NAME, 0); ExecuteWatchdog watchdog = new ExecuteWatchdog(timeout); executor.setWatchdog(watchdog); CommandLine cmd = makeCommandLine(program, args); LOG.info("Running: " + cmd); ExecBean res = new ExecBean(); res.exitcode = executor.execute(cmd, execEnv(env)); String enc = appConf.get(AppConfig.EXEC_ENCODING_NAME); res.stdout = outStream.toString(enc); res.stderr = errStream.toString(enc); return res; }
From source file:org.apache.hive.hcatalog.templeton.StreamOutputWriter.java
private ExecBean auxRun(String program, List<String> args, Map<String, String> env) throws NotAuthorizedException, ExecuteException, IOException { DefaultExecutor executor = new DefaultExecutor(); executor.setExitValues(null);/* w w w .java 2 s .c o m*/ // Setup stdout and stderr int nbytes = appConf.getInt(AppConfig.EXEC_MAX_BYTES_NAME, -1); ByteArrayOutputStream outStream = new MaxByteArrayOutputStream(nbytes); ByteArrayOutputStream errStream = new MaxByteArrayOutputStream(nbytes); executor.setStreamHandler(new PumpStreamHandler(outStream, errStream)); // Only run for N milliseconds int timeout = appConf.getInt(AppConfig.EXEC_TIMEOUT_NAME, 0); ExecuteWatchdog watchdog = new ExecuteWatchdog(timeout); executor.setWatchdog(watchdog); CommandLine cmd = makeCommandLine(program, args); LOG.info("Running: " + cmd); ExecBean res = new ExecBean(); res.exitcode = executor.execute(cmd, execEnv(env)); String enc = appConf.get(AppConfig.EXEC_ENCODING_NAME); res.stdout = outStream.toString(enc); res.stderr = errStream.toString(enc); try { watchdog.checkException(); } catch (Exception ex) { LOG.error("Command: " + cmd + " failed. res=" + res, ex); } if (watchdog.killedProcess()) { String msg = " was terminated due to timeout(" + timeout + "ms). See " + AppConfig.EXEC_TIMEOUT_NAME + " property"; LOG.warn("Command: " + cmd + msg + " res=" + res); res.stderr += " Command " + msg; } if (res.exitcode != 0) { LOG.info("Command: " + cmd + " failed. res=" + res); } return res; }
From source file:org.cloudifysource.shell.commands.TestRecipe.java
/** * Execute a command line in with a given map of environment settings. The execution outupt is filtered unless * verbose is set to true./*from www. j av a 2 s . com*/ * * @param cmdLine * The command to execute * @param env * Environment settings available for the command execution * @return the command's execution exit code, or -2 if the command failed to execute */ private int executeRecipe(final CommandLine cmdLine, final Map<Object, Object> env) { final DefaultExecutor executor = new DefaultExecutor(); // The watchdog will terminate the process if it does not end within the // specified timeout final int externalProcessTimeout = (this.timeout + EXTERNAL_PROCESS_WATCHDOG_ADDITIONAL_TIMEOUT) * 1000; final ExecuteWatchdog watchdog = new TestRecipeWatchdog(externalProcessTimeout); executor.setWatchdog(watchdog); executor.setExitValue(0); int result = -1; PipedInputStream in = null; PipedOutputStream out = null; BufferedReader reader = null; try { in = new PipedInputStream(); out = new PipedOutputStream(in); reader = new BufferedReader(new InputStreamReader(in)); final Thread thread = new Thread(new FilteredOutputHandler(reader, this.verbose)); thread.setDaemon(true); thread.start(); final PumpStreamHandler psh = new PumpStreamHandler(out, out); executor.setStreamHandler(psh); result = executor.execute(cmdLine, env); } catch (final ExecuteException e) { logger.log(Level.SEVERE, "A problem was encountered while executing the recipe: " + e.getMessage(), e); } catch (final IOException e) { logger.log(Level.SEVERE, "An IO Exception was encountered while executing the recipe: " + e.getMessage(), e); result = UNEXPECTED_ERROR_EXIT_CODE; } return result; }
From source file:org.codehaus.mojo.cassandra.Utils.java
/** * Starts the Cassandra server.//from ww w . j a v a 2 s . c o m * * @param cassandraDir The directory to start the Server process in. * @param commandLine The command line to use to start the Server process. * @param environment The environment to start the Server process with. * @param log The log to send the output to. * @return The {@link ExecuteResultHandler} for the started process. * @throws MojoExecutionException if something went wrong. */ protected static DefaultExecuteResultHandler startCassandraServer(File cassandraDir, CommandLine commandLine, Map environment, Log log) throws MojoExecutionException { try { Executor exec = new DefaultExecutor(); DefaultExecuteResultHandler execHandler = new DefaultExecuteResultHandler(); exec.setWorkingDirectory(cassandraDir); exec.setProcessDestroyer(new ShutdownHookProcessDestroyer()); LogOutputStream stdout = new MavenLogOutputStream(log); LogOutputStream stderr = new MavenLogOutputStream(log); log.debug("Executing command line: " + commandLine); exec.setStreamHandler(new PumpStreamHandler(stdout, stderr)); exec.execute(commandLine, environment, execHandler); return execHandler; } catch (ExecuteException e) { throw new MojoExecutionException("Command execution failed.", e); } catch (IOException e) { throw new MojoExecutionException("Command execution failed.", e); } }
From source file:org.codice.git.GitIntegrationTest.java
private int executeGitCommand(String[] args) throws IOException { int exitValue = 0; List<String> outputLines = null; CommandLine cmdLine = new CommandLine("git"); for (String arg : args) { cmdLine.addArgument(arg);/*from www . j ava 2s . c o m*/ } DefaultExecutor executor = new DefaultExecutor(); executor.setExitValue(0); executor.setWorkingDirectory(trash); CollectingLogOutputStream output = new CollectingLogOutputStream(); PumpStreamHandler pump = new PumpStreamHandler(output, output); executor.setStreamHandler(pump); try { exitValue = executor.execute(cmdLine); outputLines = output.getLines(); } catch (IOException e) { boolean hookRan = false; String errorMessage = ""; // Check if we got the aborted message from the hook - implies it ran successfully outputLines = output.getLines(); if ((outputLines != null) && (outputLines.size() > 0)) { errorMessage = outputLines.get(0); for (String line : outputLines) { if (line.contains("HOOK ABORTED")) { hookRan = true; break; } } } if (hookRan) { LOGGER.debug("Hook ran successfully - returning an error to abort the git command"); } else { LOGGER.warn("Unexpected error during hook processing - first line of output: {}", errorMessage, e); throw e; } exitValue = 1; } for (String line : outputLines) { System.err.println(line); } return exitValue; }
From source file:org.eclipse.kura.linux.net.modem.SupportedUsbModems.java
/** * Execute command an return splitted lines * * @param command/*from ww w . j a v a 2 s . c om*/ * the command to execute * @return the lines output by the command * @throws IOException * if executing the commands fails */ private static List<String> execute(final String command) throws ExecuteException, IOException { final DefaultExecutor executor = new DefaultExecutor(); final ByteArrayOutputStream out = new ByteArrayOutputStream(); executor.setStreamHandler(new PumpStreamHandler(out, NullOutputStream.NULL_OUTPUT_STREAM)); int rc = executor.execute(CommandLine.parse(command)); s_logger.debug("Called {} - rc = {}", command, rc); return IOUtils.readLines(new ByteArrayInputStream(out.toByteArray())); }
From source file:org.eclipse.php.composer.core.launch.execution.ScriptExecutor.java
public ScriptExecutor() { outBuilder = new StringBuilder(); errBuilder = new StringBuilder(); errStream = new LogOutputStream() { @Override//from w w w. j av a 2 s . c om protected void processLine(String line, int level) { if (!line.isEmpty()) { errBuilder.append(line + "\n"); //$NON-NLS-1$ for (ExecutionResponseListener listener : listeners) { listener.executionMessage(line); } } } }; outStream = new LogOutputStream() { @Override protected void processLine(String line, int level) { if (!line.isEmpty()) { outBuilder.append(line + "\n"); //$NON-NLS-1$ for (ExecutionResponseListener listener : listeners) { listener.executionMessage(line); } } } }; streamHandler = new PumpStreamHandler(outStream, errStream); executor = new DefaultExecutor(); executor.setStreamHandler(streamHandler); }
From source file:org.epics.archiverappliance.TomcatSetup.java
private void createAndStartTomcatInstance(String testName, final String applianceName, int port, int startupPort) throws IOException { File workFolder = makeTomcatFolders(testName, applianceName, port, startupPort); HashMap<String, String> environment = createEnvironment(testName, applianceName); File logsFolder = new File(workFolder, "logs"); assert (logsFolder.exists()); CommandLine cmdLine = new CommandLine( System.getenv("TOMCAT_HOME") + File.separator + "bin" + File.separator + "catalina.sh"); cmdLine.addArgument("run"); DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler(); final CountDownLatch latch = new CountDownLatch(1); PumpStreamHandler pump = new PumpStreamHandler(new LogOutputStream() { @Override/* w w w . j a v a2s . co m*/ protected void processLine(String msg, int level) { if (msg != null && msg.contains("All components in this appliance have started up")) { logger.info(applianceName + " has started up."); latch.countDown(); } System.out.println(msg); } }, System.err); ExecuteWatchdog watchdog = new ExecuteWatchdog(ExecuteWatchdog.INFINITE_TIMEOUT); Executor executor = new DefaultExecutor(); executor.setExitValue(1); executor.setWatchdog(watchdog); executor.setStreamHandler(pump); executor.setWorkingDirectory(logsFolder); executor.execute(cmdLine, environment, resultHandler); executorWatchDogs.add(watchdog); // We wait for some time to make sure the server started up try { latch.await(2, TimeUnit.MINUTES); } catch (InterruptedException ex) { } logger.info("Done starting tomcat for the testing."); }
From source file:org.fuin.kickstart4j.ApplicationStarter.java
/** * Execute the target application.//from ww w .ja v a 2s.c om */ public void execute() { final ByteArrayOutputStream outStream = new ByteArrayOutputStream(); final ByteArrayOutputStream errStream = new ByteArrayOutputStream(); final Executor exec = new DefaultExecutor(); exec.setWorkingDirectory(destDir); exec.setStreamHandler(new PumpStreamHandler(outStream, errStream)); try { // Spawns an separate thread exec.execute(commandLine, new ExecuteResultHandler() { public void onProcessFailed(final ExecuteException ex) { failed = true; if (startFrame != null) { startFrame.setVisible(false); } System.out.print(errStream.toString()); ErrorDialog.showAndExit(errStream, ex, 1); } public void onProcessComplete(final int exitValue) { // We never get here because the Kickstart4J process // will be killed with "System.exit(..)" before... } }); if (startFrame != null) { startFrameSleep(); startFrame.setVisible(false); } // TODO Any idea for a better handling of this situation? // Should be a rare situation but "onProcessFailed(..)" and this // thread may interfere... If this part is faster than the // "Executor" // this may call "System.exit(..)" and kills the error message // display! // Abort processing if the concurrent thread signals a failure if (failed) { return; } System.out.print(outStream.toString()); if (failed) { return; } if (config.isExitAfterExecute()) { if (failed) { return; } System.exit(0); } if (failed) { return; } listener.startupComplete(); } catch (final IOException ex) { throw new RuntimeException("Error executing target application!", ex); } }
From source file:org.geoserver.importer.transform.AbstractCommandLinePreTransform.java
protected boolean checkAvailable() throws IOException { try {/*from w w w . ja v a 2 s . c om*/ CommandLine cmd = new CommandLine(getExecutable()); for (String option : getAvailabilityTestOptions()) { cmd.addArgument(option); } // prepare to run DefaultExecutor executor = new DefaultExecutor(); // grab at least some part of the outputs int limit = 16 * 1024; try (OutputStream os = new BoundedOutputStream(new ByteArrayOutputStream(), limit); OutputStream es = new BoundedOutputStream(new ByteArrayOutputStream(), limit)) { PumpStreamHandler streamHandler = new PumpStreamHandler(os, es); executor.setStreamHandler(streamHandler); int result = executor.execute(cmd); if (result != 0) { LOGGER.log(Level.SEVERE, "Failed to execute command " + cmd.toString() + "\nStandard output is:\n" + os.toString() + "\nStandard error is:\n" + es.toString()); return false; } } catch (Exception e) { LOGGER.log(Level.SEVERE, "Failure to execute command " + cmd.toString(), e); return false; } } catch (Exception e) { LOGGER.log(Level.SEVERE, "Failure to locate executable for class " + this.getClass(), e); return false; } return true; }