Added source-code.

.gitignore

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+# Ignore binary files
+bin/

build.xml

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+<project name="CoffeeBreak" basedir="." default="main" >
+	<property name="src.dir" value="src" />
+	<property name="bin.dir" value="bin" />
+	<property name="classes.dir" value="${bin.dir}/classes" />
+	<property name="jar.dir" value="${bin.dir}/jar" />
+	<property name="main-class" value="coffeebreak.CoffeeBreak" />
+	
+	<target name="clean" >
+		<delete dir="bin" />
+	</target>
+	
+	<target name="compile" >
+		<mkdir dir="${classes.dir}" />
+		<javac includeantruntime="false" srcdir="${src.dir}" destdir="${classes.dir}" />
+	</target>
+	
+	<target name="jar" depends="compile" >
+		<mkdir dir="${jar.dir}" />
+		<jar destfile="${jar.dir}/${ant.project.name}.jar" basedir="${classes.dir}" >
+			<manifest>
+				<attribute name="Main-Class" value="${main-class}" />
+			</manifest>
+		</jar>
+	</target>
+
+	<target name="main" depends="jar" />
+</project>

src/coffeebreak/CoffeeBreak.java

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+package coffeebreak;
+
+/**
+ * @author Nicolás A. Ortega
+ * @copyright Nicolás A. Ortega
+ * @license GNU GPLv3
+ * @year 2014
+ * 
+ */
+public class CoffeeBreak {
+	public static final String usage = "Usage: coffeebreak [compiler]";
+	public String[] compilers = {"gcc", "g++", "clang++", "javac", "ant"};
+
+	public CoffeeBreak(String compiler) {
+		int compid = -1;
+		compilerLoop:
+		for(int i = 0; i < compilers.length; i++) {
+			if(compiler.equals(compilers[i])) {
+				compid = i;
+				break compilerLoop;
+			}
+		}
+		if(compid == -1) {
+			System.out.println("This compiler is not supported. Add it!!!");
+			return;
+		}
+		System.out.println("You chose compiler " + compiler);
+		
+	}
+
+	public static void main(String[] args) {
+		if(args.length != 1) {
+			System.out.println("Invalid number of arguments.\n" + usage);
+			return;
+		}
+		new CoffeeBreak(args[0]);
+	}
+}