christoph-daehne

package de.sandstormmedia;

import com.sun.mail.imap.IMAPFolder;

import javax.mail.*;
import java.util.Properties;

/**
 * This example prints all messages (emails) from an IMAP-folder to the console.
 * <p/>

christoph-daehne

assertEquals "incorrect nickname", 'alice', 'alice-wrong'
// we get:
// incorrect nickname expected:<alice[]> but was:<alice[-wrong]>

christoph-daehne

class HelloWorldService {
	// this function becomes a keyword in our DSL
    void printHelloWorld() {
        println("Hello World")
    }
}

class HelloWorldScript {
    static void execute(Closure script) {
    	// here we wire the colure with the service

christoph-daehne

class HelloWorldService {
    void printHelloWorld() {
        println("Hello World")
    }
}

class HelloWorldScript {
	// by annotating the parameter we gain syntax highlighting and auto-completion
    static void execute(@DelegatesTo(strategy = Closure.DELEGATE_FIRST, value = HelloWorldService) Closure script) {
        script.resolveStrategy = Closure.DELEGATE_FIRST

christoph-daehne

// our configuration model
class BouquetConfiguration {
    private final List<String> flowers = []
    
    // method for use at runtime
    int howMany(String flower) {
        return flowers.count { it == flower }
    }
    
    // DSL keyword for use at DSL execution

christoph-daehne

// our configuration model
class BouquetConfiguration extends ArrayList<String> {
    
    int howMany(String flower) {
        return this.count { it == flower }
    }
    
    String toString() {
        return "Bouquet: " + this.toString()
    }

christoph-daehne

class BouquetConfiguration extends ArrayList<String> {
    
    int howMany(String flower) {
        return this.count { it == flower }
    }
    
    String toString() {
        return "Bouquet: " + this.toString()
    }
}

christoph-daehne

// our configuration model
class BouquetConfiguration extends ArrayList<String> {
    
    int howMany(String flower) {
        return this.count { it == flower }
    }
    
    String toString() {
        return "Bouquet: " + this.toString()
    }

christoph-daehne

@Grab(group='io.reactivex', module='rxjava-reactive-streams', version='0.5.0')
import rx.Observable

def in1 = Observable.from([1, 3, 5]).map { a -> a - 1 }
def in2 = Observable.from([2, 4, 6]).map { a -> a - 1 }
def in3 = Observable.error(new Exception("BAM!"))

def sumTimes2 = Observable.zip(in1, in2) { a, b ->
    a + b
}.map { a ->

christoph-daehne

import com.github.jknack.handlebars.Context
import com.github.jknack.handlebars.Helper
import com.github.jknack.handlebars.Options

/**
 * filters a list and adds a variable to the context
 *
 * options:
 * - assignTo: name of the variable to add to the context
 * - field: (optional) filter by "trueness" of the given property (this is default)