RebelLabs post: A Fluent API or not API fluent a? That is the Question!

closures-markdown.clj

configurations.markdown
              .resolve()
              .collect { artifact -> artifact.name }
              .join(',')
              .concat(',.')

closures-output.txt

lib1,lib2,lib3,.

Foo1.java

public class Foo {
    private String bar;
    private int number;

    public Foo() {
        // Do some stuff
    }

    public String getBar() { return this.bar; }

    public void setBar(String bar) { this.bar = bar; }

    public int getNumber() { return this.number; }

    public void setNumber(int number) { this.number = number; }
}

FooFactory.java

public class FooFactory {
    private static Foo f;

    public static Foo getInstance() {
        final String pathToNative;

        if(PlatformUtil.isMac()) {
            pathToNative = "lib.so";
        } else if(PlatformUtil.isWindows()) {
            pathToNative = "lib.dll";
        } else {
            pathToNative = "lib.sh";
        }

        return new Foo(pathToNative);
    }
}

hello.groovy

println "Hello RebelLabs"

java1.java

final String[] array = { "10", "20", "30" };
System.out.println(Arrays.stream(array)
                         .map(Integer::parseInt)
                         .reduce((i1, i2) -> i1 + i2));

java2.java

final String[] array = { "10", "20", "30" };
final Map<Integer, Double> results = Arrays.stream(array)
    .map(Integer::parseInt)
    .collect(
            Collectors.toMap(
                    Function.identity(),
                    number -> Math.pow(number, 2)
                    )
    );

for(Map.Entry entry : results.entrySet()) {
    System.out.println(entry.toString());
}

javaDates.java

final LocalDate date = LocalDate.now().plusDays(10).plusMonths(3);
final LocalTime time = LocalTime.now().plusHours(2).plusMinutes(120);

JavaFluentExample.java

final Foo foo = new Foo();
// Do some stuff ...
// And then ...
foo.setBar("RebelLabs").setNumber(10);

JavaFluentExample0.java

public class Foo {
    private String bar;
    private int number;

    public Foo() {
        // Do some stuff
    }

    public String getBar() { return this.bar; }

    public Foo setBar(String bar) {
        this.bar = bar;
        return this;
    }

    public int getNumber() { return this.number; }

    public Foo setNumber(int number) { 
        this.number = number;
        return this;
    }
}

JavaFluentExample2.java

public class Foo {
    private String bar;
    private int number;

    public Foo() {
        // Do some stuff
    }

    public String bar() { return this.bar; }

    public Foo bar(String bar) {
        this.bar = bar;
        return this;
    }

    public int number() { return this.number; }

    public Foo number(int number) { 
        this.number = number;
        return this;
    }
}

JavaFluentExample3.java

final Foo foo = new Foo();
// Do some stuff ...
// And then ...
foo.bar("RebelLabs").number(10);

JavaGetter.java

final PropertyDescriptor descriptor = new PropertyDescriptor("bar", Foo.class);
final Method getter = descriptor.getReadMethod();
final Method setter = descriptor.getWriteMethod();

JavaGetters.java

final BeanInfo beanInfo = Introspector.getBeanInfo(Foo.class);
final PropertyDescriptor[] descriptors = beanInfo.getPropertyDescriptors();

Arrays.stream(descriptors).forEach(descriptor -> {
    final Method getter = descriptor.getReadMethod();
    final Method setter = descriptor.getWriteMethod();     
    ...    
});

jooqExample.java

final Connection connection = ...
final DSLContext context = DSL.using(connection, SQLDialect.H2);
final Result<Record2<Long, String>> result = context.select(Users.ID, Users.USER_NAME)
        .from(Users.TABLE)
        .where(Users.USER_NAME.equal(user.getUserName().toLowerCase()))
        .fetch();

json-format.js

var obj = {
    "person": {
        "firstName": "Thierry",
        "lastName": "Wasylczenko",
        "gender": "male"
    },
    "projects": [ "SlideshowFX", "Base64FX" ]
};

console.log(obj.person.lastName);
console.log(obj.projects);

SomeClass.java

public class SomeClass {
    // Instead of this
    public class methodA(final int number, final String name, final boolean create, final List<String> nicknames) {
        // ...
    }

    // How about this
    public class methodB(final Context ctx) {
        // ...
    }
}

spark.java

import static spark.Spark.*;

public class SparkExample {
    public static void main(String[] args) {
        port(10080);
        get("/index", (request, response) ->  ... );
        get("/users/:id", (request, response) -> ... );
        post("/users", (request, response) -> ... );
    }
}

variable-expansion.groovy

def name = 'RebelLabs'
def message = "Hello ${name}"

Vertx-router.java

final Router router = ...
router.get("/some/url").handler(...);
router.post("/some/url").handler(...);
router.put("/some/other/url").handler(...);

Vertx.java

Vertx vertx = Vertx.vertx();