Example usage for org.apache.commons.cli2.util HelpFormatter printUsage

Introduction

In this page you can find the example usage for org.apache.commons.cli2.util HelpFormatter printUsage.

Prototype

public void printUsage() 

Source Link

Document

Prints a single line of usage information (wrapping if necessary)

Usage

From source file:it.jnrpe.server.console.PluginCommand.java

public String getCommandLine() {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();

    Group g = getCommandLineGroup();
    HelpFormatter hf = new HelpFormatter(null, null, null, getConsole().getTerminal().getWidth());
    hf.setGroup(g);/*  w ww .  j  a  v a  2 s. c o m*/
    hf.setPrintWriter(new PrintWriter(new OutputStreamWriter(bout, charset)));
    hf.printUsage();

    String usage = new String(bout.toByteArray(), charset);

    String[] lines = usage.split("\\n");

    StringBuilder res = new StringBuilder();

    for (int i = 1; i < lines.length; i++) {
        res.append(lines[i]);
    }

    return res.toString();
}

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