Categories:
Audio (13)
Biotech (29)
Bytecode (36)
Database (77)
Framework (7)
Game (7)
General (507)
Graphics (53)
I/O (35)
IDE (2)
JAR Tools (102)
JavaBeans (21)
JDBC (121)
JDK (426)
JSP (20)
Logging (108)
Mail (58)
Messaging (8)
Network (84)
PDF (97)
Report (7)
Scripting (84)
Security (32)
Server (121)
Servlet (26)
SOAP (24)
Testing (54)
Web (15)
XML (322)
Collections:
Other Resources:
Commons CLI API - Options with Arguments Example
Where to get a Java example of managing Options with Arguments with Commons CLI API?
✍: FYIcenter.com
Here is good Java example of managing Options with Arguments with Commons CLI API,
ShortOptionTest.java:
// Copyright (c) 2018 FYIcenter.com
import org.apache.commons.cli.Options;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.UnrecognizedOptionException;
public class ArgumentOptionTest {
public static void main(String[] args) throws Exception {
// Define a long option: --help -help -h
Options options = new Options();
options.addOption("h", "help", false, "Print this help message");
// Define an option with argument: --input ..., -input ..., -i ...
options.addOption("i", "input", true, "Input string");
try {
// Parse options
CommandLineParser parser = new DefaultParser();
CommandLine cmd = parser.parse(options, args);
// Process options
if (cmd.hasOption("help")) {
help(options);
} else if (cmd.hasOption("input")) {
System.out.println("Hello "+cmd.getOptionValue("input"));
}
} catch (UnrecognizedOptionException e) {
System.out.println("Invalid options: "+e.getOption());
help(options);
}
}
public static void help(Options options) {
// Print options
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp("ArgumentOptionTest", options);
}
}
You can compile and run it with commons-cli-1.4.jar:
C:\fyicenter>javac -cp C:\fyicenter\commons-cli-1.4\commons-cli-1.4.jar ArgumentOptionTest.java C:\fyicenter>java -cp .;C:\fyicenter\commons-cli-1.4\commons-cli-1.4.jar ArgumentOptionTest -i world Hello world C:\fyicenter>java -cp .;C:\fyicenter\commons-cli-1.4\commons-cli-1.4.jar ArgumentOptionTest -input world Hello world C:\fyicenter>java -cp .;C:\fyicenter\commons-cli-1.4\commons-cli-1.4.jar ArgumentOptionTest --input world Hello world C:\fyicenter>java -cp .;C:\fyicenter\commons-cli-1.4\commons-cli-1.4.jar ArgumentOptionTest --insert world Invalid options: --insert usage: ArgumentOptionTest -h,--help Print this help message -i,--input <arg> Input string
⇒ Commons CLI API - Option Class
⇐ Commons CLI API - Options with Arguments
2020-05-15, ∼1713🔥, 0💬
Popular Posts:
JDK 17 java.compiler.jmod is the JMOD file for JDK 17 Compiler module. JDK 17 Compiler module compil...
If you are a Java developer, it is very often that you need to use some 3rd party libraries to perfo...
The JDT project provides the tool plug-ins that implement a Java IDE supporting the development of a...
JavaMail Source Code Files are provided in the source package file, httpcomponents-client-5. 2-src.zi...
JDK 17 java.compiler.jmod is the JMOD file for JDK 17 Compiler module. JDK 17 Compiler module compil...