git clone https://github.com/my5t3ry/als-parser.git

cd als-parser
mvn clean install

<dependency>
    <groupId>de.my5t3ry</groupId>
    <artifactId>als-parser</artifactId>
    <version>0.1-SNAPSHOT</version>
</dependency>

final AbletonProjectParser alsParser = new AbletonProjectParser();
final AbletonProject result = alsParser.parse(new File("foo.als"));
System.out.println(result.getTotalTracks());
//or
final List<AbletonProject> listResult = alsParser.parseDirectory(new File("/projects/path"));
listResult.foreach(p -> System.out.println(p.getTotalTracks()));