Dependency

dependency.xml

<dependency>
    <groupId>org.agimem</groupId>
    <artifactId>jRubyHaml</artifactId>
    <version>1.0-SNAPSHOT</version>
</dependency>

Haml.java

// read the template file
InputStream stream = getClass().getClassLoader().getResourceAsStream("myFile.haml");
String template = IOUtils.toString(stream);

// initialize the options
Map<Object, Object> options = new HashMap<Object, Object>();
options.put("format", "html5");

// initialize the engine
HamlEngine engine = new HamlEngine(template, options);

// render the template
Map<Object, Object> attributes = new HashMap<Object, Object>();
attributes.put("foo", new SimpleValue("bar"));
String result = engine.render(attributes);

install.sh

git clone git://github.com/bchapuis/JRubyHaml.git
cd JRubyHaml
mvn clean install

Sass.java

// read the template file
InputStream stream = getClass().getClassLoader().getResourceAsStream("myFile.scss");
String template = IOUtils.toString(stream);

// initialize the options
Map options = new HashMap();
options.put("syntax", "scss");
options.put("style", "compressed");

List<String> loadPaths = new ArrayList<String>();
loadPaths.add("compass/stylesheets");
loadPaths.add("my/stylesheets");
options.put("load_paths", loadPaths);

// initialize the engine
SassEngine engine = new SassEngine(template, options);

// render the template
String result = engine.render();