CoffeeBreak will read a file and print its contents every 2 seconds.

src/coffeebreak/CoffeeBreak.java

@@ -1,5 +1,10 @@
 package coffeebreak;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+
 /**
  * @author Nicolás A. Ortega
  * @copyright Nicolás A. Ortega
@@ -10,50 +15,65 @@ package coffeebreak;
  * 
  */
 public class CoffeeBreak {
-	public static final String usage = "Usage: coffeebreak [compiler]";
+	private static final String version = "v0.1";
-	public String[] compilers = {"gcc", "g++", "clang++", "javac", "ant"};
+	private static final String usage = "Usage: coffeebreak [-h | --help | -v | -c | -w | -f <file>]";
 
-	public CoffeeBreak(String compiler) {
+	// Constructor:
-		int compid = -1;
+	public CoffeeBreak(String filepath) {
-		compilerLoop:
+		String line;
-		for(int i = 0; i < compilers.length; i++) {
+		while(true) {
-			if(compiler.equals(compilers[i])) {
+			try {
-				compid = i;
+				BufferedReader br = new BufferedReader(new FileReader(filepath));
-				break compilerLoop;
+				try {
+					while((line = br.readLine()) != null) {
+						System.out.println(line);
+						try {
+							Thread.sleep(2000);
+						} catch(InterruptedException e) { System.out.println("Error waiting."); }
+					}
+					br.close();
+				} catch(IOException e) {
+					System.out.println("Error with reading from file.");
+					System.exit(1);
+				}
+			} catch(FileNotFoundException e) {
+				System.out.println("Cannot find file.");
+				System.exit(1);
 			}
 		}
-		if(compid == -1) {
-			System.out.println("This compiler is not supported. Add it!!!");
-			return;
-		}
-		System.out.println("You chose compiler " + compiler);
-	}
-
-	public void compileGCC() {
-
-	}
-
-	public void compileGXX() {
-
-	}
-
-	public void compileCLANGXX() {
-
-	}
-
-	public void compileJAVAC() {
-
-	}
-
-	public void compileANT() {
-
 	}
 
+	// Main:
 	public static void main(String[] args) {
-		if(args.length != 1) {
+		if(args.length == 2) {
-			System.out.println("Invalid number of arguments.\n" + usage);
+			if(args[0].equals("-f")) new CoffeeBreak(args[1]);
+			else System.out.println("Invalid argument '" + args[0] + "'.\n" + usage);
+		} else if(args.length == 1) {
+			if(args[0].equals("-h") || args[0].equals("--help")) printHelpInfo();
+			else if(args[0].equals("-v")) System.out.println("CoffeeBreak " + version);
+			else if(args[0].equals("-c")) printCopyrightInfo();
+			else if(args[0].equals("-w")) printWarrantyInfo();
+			else System.out.println("Invalid argument '" + args[0] + "'.\n" + usage);
+		} else {
+			System.out.println("Invalid number of arguments.");
 			return;
 		}
-		new CoffeeBreak(args[0]);
+	}
+
+	private static void printHelpInfo() {
+		System.out.println(usage +
+			"\n -h or --help  -- Print this help information." +
+			"\n -v            -- Print version." +
+			"\n -c            -- Print copyright information." +
+			"\n -w            -- Print warranty information." +
+			"\n -f <file>     -- File to read from.");
+	}
+
+	private static void printCopyrightInfo() {
+		// TODO
+	}
+
+	private static void printWarrantyInfo() {
+		// TODO
 	}
 }