org.apache.commons.exec.ExecuteResultHandler Java Examples

The following examples show how to use org.apache.commons.exec.ExecuteResultHandler. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: JStormUtils.java    From jstorm with Apache License 2.0 5 votes vote down vote up 
/**
 * If it is backend, please set resultHandler, such as DefaultExecuteResultHandler
 * If it is frontend, ByteArrayOutputStream.toString will return the calling result
 * <p>
 * This function will ignore whether the command is successfully executed or not
 *
 * @param command       command to be executed
 * @param environment   env vars
 * @param workDir       working directory
 * @param resultHandler exec result handler
 * @return output stream
 * @throws IOException
 */
@Deprecated
public static ByteArrayOutputStream launchProcess(
        String command, final Map environment, final String workDir,
        ExecuteResultHandler resultHandler) throws IOException {

    String[] cmdlist = command.split(" ");

    CommandLine cmd = new CommandLine(cmdlist[0]);
    for (String cmdItem : cmdlist) {
        if (!StringUtils.isBlank(cmdItem)) {
            cmd.addArgument(cmdItem);
        }
    }

    DefaultExecutor executor = new DefaultExecutor();

    executor.setExitValue(0);
    if (!StringUtils.isBlank(workDir)) {
        executor.setWorkingDirectory(new File(workDir));
    }

    ByteArrayOutputStream out = new ByteArrayOutputStream();

    PumpStreamHandler streamHandler = new PumpStreamHandler(out, out);
    executor.setStreamHandler(streamHandler);

    try {
        if (resultHandler == null) {
            executor.execute(cmd, environment);
        } else {
            executor.execute(cmd, environment, resultHandler);
        }
    } catch (ExecuteException ignored) {
    }

    return out;

}
Example #2
Source File: TestSolrCLIRunExample.java    From lucene-solr with Apache License 2.0 4 votes vote down vote up 
/**
 * Override the call to execute a command asynchronously to occur synchronously during a unit test.
 */
@Override
public void execute(org.apache.commons.exec.CommandLine cmd, Map<String,String> env, ExecuteResultHandler erh) throws IOException {
  int code = execute(cmd);
  if (code != 0) throw new RuntimeException("Failed to execute cmd: "+joinArgs(cmd.getArguments()));
}