U command execution test

Author: fvarrui

src/main/java/fvarrui/maven/plugin/javapackager/Main.java

@@ -1,5 +1,7 @@
 package fvarrui.maven.plugin.javapackager;
 
+import java.io.File;
+
 import org.apache.maven.plugin.MojoExecutionException;
 
 import fvarrui.maven.plugin.javapackager.utils.CommandUtils;
@@ -8,7 +10,8 @@ public class Main {
 
 	public static void main(String[] args) throws MojoExecutionException {
 		String result = 
-			CommandUtils.execute(
+			CommandUtils.execute2(
+				new File("."),
 				"/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/bin/jdeps", 
 				"-q",
 				"--ignore-missing-deps",
@@ -17,6 +20,7 @@ public static void main(String[] args) throws MojoExecutionException {
 				"/Users/fran/teuton-panel/target/app/teuton-panel.app/Contents/Resources/Java/libs/*.jar",
 				"/Users/fran/teuton-panel/target/teuton-panel-0.1.1-runnable.jar"
 			);
+			
 		System.out.println(result);
 	}
 

src/main/java/fvarrui/maven/plugin/javapackager/utils/CommandUtils.java

@@ -72,6 +72,39 @@ public static String execute(File workingDirectory, String executable, Object ..
 		return outputBuffer.toString();
 	}
 
+	public static String execute2(File workingDirectory, String executable, Object ... arguments) throws MojoExecutionException {
+		StringBuffer outputBuffer = new StringBuffer();
+		try { 
+			
+			arguments = expandArray(arguments);
+						
+			Commandline command = new Commandline();
+			command.setWorkingDirectory(workingDirectory);
+			command.setExecutable(executable);
+			createArguments(command, arguments);
+
+			String line = StringUtils.join(command.getCommandline(), " ");
+			
+			Process process = Runtime.getRuntime().exec(line);
+			
+			BufferedReader output = new BufferedReader(new InputStreamReader(process.getInputStream()));
+			BufferedReader error = new BufferedReader(new InputStreamReader(process.getErrorStream()));
+			
+			while (process.isAlive()) {
+				if (output.ready()) outputBuffer.append(Logger.info(output.readLine()) + "\n");
+				if (error.ready()) Logger.error(error.readLine());
+			}
+			
+			output.close();
+			error.close();
+			
+		} catch (IOException e) {
+			throw new MojoExecutionException(e.getMessage(), e);
+		}
+		
+		return outputBuffer.toString();
+	}
+	
 	public static String execute(String executable, Object... arguments) throws MojoExecutionException {
 		return execute(new File("."), executable, arguments);
 	}