arthurtsang’s gists

arthurtsang / gist:f7a3f3bd4af39c789c28

Created February 9, 2015 00:55

simple application.yaml for ratpack

arthurtsang / gist:d1c77f7a84443d893646

Created February 9, 2015 00:48

Ratpack 0.9.13 main

	public class MyAppMain {
	private final static Logger logger = LoggerFactory.getLogger(MyAppMain.class);

	private final static String ENV_PREFIX_PROPERTY = "MYAPP_ENV_PREFIX";
	private final static String ENV_PREFIX_DEFAULT = "MYAPP_";

	public static void main(String[] args) {
	String propertyPrefix = System.getenv().getOrDefault(ENV_PREFIX_PROPERTY, ENV_PREFIX_DEFAULT);
	ConfigData configData = ConfigData.of()
	.yaml(ClassLoader.getSystemResource("application.yaml"))

arthurtsang / gist:a0f4db90e175481c71f5

Created February 8, 2015 21:22

gradle shadow plugin with build date in manifest

	buildscript {
	repositories {
	jcenter()
	}
	dependencies {
	classpath 'io.ratpack:ratpack-gradle:0.9.13'
	classpath 'com.github.jengelman.gradle.plugins:shadow:1.2.0'
	}
	}

arthurtsang / gist:b03b1458f7141e3b1c8a

Created February 8, 2015 18:37

dockerignore for ratpack shadow jar

arthurtsang / gist:73003ba728466058c756

Created February 8, 2015 18:16

Dockerfile for microservice using openjdk 8

	FROM peelsky/zulu-openjdk-busybox

	WORKDIR /app

	USER daemon

	ADD ./build/libs/msvc-search-1.0-all.jar /app/msvc-search-1.0-all.jar

	CMD [ "java", "-jar", "/app/msvc-search-1.0-all.jar" ]

arthurtsang / gist:36ed4c105e5ec79fee4c

Created February 8, 2015 18:10

ratpack + gradle + docker

	buildscript {
	repositories {
	jcenter()
	}
	dependencies {
	classpath 'io.ratpack:ratpack-gradle:0.9.13'
	classpath 'com.github.jengelman.gradle.plugins:shadow:1.2.0'
	classpath 'com.bmuschko:gradle-docker-plugin:2.0'
	}
	}

arthurtsang / DynamicServiceActivatorBeanDefinitionParser.java

Last active March 18, 2020 09:23

Bean definition parser for custom spring namespace

	public class DynamicServiceActivatorBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {

	protected Class getBeanClass(Element element) {
	return DefaultDynamicServiceActivator.class;
	}

	@Override
	protected void doParse(Element element, BeanDefinitionBuilder bean) {
	List<Element> methodElements = DomUtils.getChildElementsByTagName(element, "method");
	ManagedMap<String, BeanDefinition> methodMetadataMap = null;

arthurtsang / DynamicServiceActivator.java

Created March 29, 2013 01:21

Create a Spring Integration Channel programatically and register that as a Spring bean

	private SubscribableChannel createInputChannel(String inputChannelName) {
	PublishSubscribeChannel channel = new PublishSubscribeChannel();
	channel.setBeanName(inputChannelName);
	channel.setBeanFactory(applicationContext);
	//channel.setApplySequence(true);
	((ConfigurableApplicationContext)applicationContext).getBeanFactory().registerSingleton(inputChannelName, channel);
	return channel;
	}

arthurtsang / ZooInstall.java

Last active December 15, 2015 13:29

ZooKeeper watcher without loosing events

	private void getConfigsFromZookeeper() throws IOException {
	logger.debug("Connected to Zookeeper");
	synchronized(lock) {
	try {
	configs = trackChildren(configs);
	} catch (Exception e) {
	logger.error("Error tracking Zookeeper config", e);
	}
	}
	}

arthurtsang / hpui-springintegration-extension.xsd

Last active December 15, 2015 12:28

using spring tool to verify the type of bean object

	<xs:annotation>
	<xs:documentation>
	The input channel of the chain.
	</xs:documentation>
	<xs:appinfo>
	<tool:annotation kind="ref">
	<tool:expected-type type="org.springframework.integration.channel.DirectChannel" />
	</tool:annotation>
	</xs:appinfo>
	</xs:annotation>

Arthur arthurtsang