mpellegrini’s gists

mpellegrini / drools-printkb.java

Created August 31, 2011 00:24

Prints out JBoss Rules or Drools KnowledgeBase contents to the console

	// Prints out KnowledgeBase contents to the console

	Collection<KnowledgePackage> pkgs = kbase.getKnowledgePackages();

	for (KnowledgePackage pkg : pkgs) {
	System.out.println("* " + pkg.getName());
	Collection<Rule> rules = pkg.getRules();
	for (Rule rule : rules) {
	System.out.println(" - " + rule.getName());
	}

mpellegrini / KnowledgeAgentConfig.java

Created November 4, 2011 17:51

Configuring a Drools KnowledgeAgent

	KnowledgeAgentConfiguration agentConf = KnowledgeAgentFactory.newKnowledgeAgentConfiguration();

	agentConf.setProperty("drools.agent.newInstance", "false");

	// scan every second
	ResourceChangeScannerConfiguration config = ResourceFactory.getResourceChangeScannerService().newResourceChangeScannerConfiguration();
	config.setProperty("drools.resource.scanner.interval", "1");
	ResourceFactory.getResourceChangeScannerService().configure(config);

	KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent("problem", agentConf);

mpellegrini / jboss-as71_remotejndi.java

Created February 23, 2012 13:57

Remote JNDI Support in JBoss AS 7.1

	// Create an initial context to perform the JNDI lookup.
	final Properties env = new Properties();
	env.put(Context.INITIAL_CONTEXT_FACTORY, org.jboss.naming.remote.client.InitialContextFactory.class.getName());
	env.put(Context.PROVIDER_URL, "remote://localhost:4447");
	env.put(Context.SECURITY_PRINCIPAL, "username");
	env.put(Context.SECURITY_CREDENTIALS, "password");
	Context context = new InitialContext(env);

	// JNDI Lookups
	ConnectionFactory cf = (ConnectionFactory) context.lookup("jms/RemoteConnectionFactory");

mpellegrini / JMSClient.java

Created February 23, 2012 14:40

Example JMS Client to Produce and Consume Messages

	// Step 1. Create an initial context to perform the JNDI lookup.
	final Properties env = new Properties();
	env.put(Context.INITIAL_CONTEXT_FACTORY, org.jboss.naming.remote.client.InitialContextFactory.class.getName());
	env.put(Context.PROVIDER_URL, "remote://localhost:4447");
	env.put(Context.SECURITY_PRINCIPAL, "username");
	env.put(Context.SECURITY_CREDENTIALS, "password");
	Context context = new InitialContext(env);

	// Step 2. Lookup the connection factory
	ConnectionFactory cf = (ConnectionFactory) context.lookup("jms/RemoteConnectionFactory");

mpellegrini / pom.xml

Last active July 11, 2019 06:48

maven-jaxb21-plugin with fluent-api

	<plugin>
	<groupId>org.jvnet.jaxb2.maven2</groupId>
	<artifactId>maven-jaxb21-plugin</artifactId>
	<version>0.8.3</version>
	<executions>
	<execution>
	<goals>
	<goal>generate</goal>
	</goals>
	<configuration>

mpellegrini / maven-jaxb-schemagen-plugin.xml

Last active December 11, 2018 11:32

maven-jaxb-schemagen-plugin config

	<plugin>
	<groupId>com.sun.tools.jxc.maven2</groupId>
	<artifactId>maven-jaxb-schemagen-plugin</artifactId>
	<version>1.2</version>
	<executions>
	<execution>
	<goals>
	<goal>generate</goal>
	</goals>
	</execution>

mpellegrini / maven-jaxws-plugin_withClientJar.xml

Last active November 3, 2016 19:51

Generate WSDL First using -clientjar option. Also unzips the modified artifacts to be packaged in the WAR

	<build>
	<plugins>
	<plugin>
	<!--
	Generates JAXWS classes for all of the WSDL files in $[project.base.dir}/src/wsdl.
	-->
	<groupId>org.jvnet.jax-ws-commons</groupId>
	<artifactId>jaxws-maven-plugin</artifactId>
	<version>2.3</version>
	<executions>

mpellegrini / JacksonJsonSchemaGenerator.java

Last active March 18, 2020 13:03

Generate JSON Schema using Jackson

	public static void main(String[] args) throws Exception {
	ObjectMapper mapper = new ObjectMapper();
	JsonSchemaGenerator generator = new JsonSchemaGenerator(mapper);
	JsonSchema jsonSchema = generator.generateSchema(Subscription.class);

	StringWriter json = new StringWriter();
	mapper.configure(SerializationFeature.INDENT_OUTPUT, true);
	mapper.writeValue(json, jsonSchema);

	System.out.println(json.toString());

mpellegrini / CDIEventExtension.java

Created March 25, 2014 12:22

An example CDI Extension that observes all events

	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import javax.enterprise.event.Observes;
	import javax.enterprise.inject.spi.AfterBeanDiscovery;
	import javax.enterprise.inject.spi.AfterDeploymentValidation;
	import javax.enterprise.inject.spi.BeforeBeanDiscovery;
	import javax.enterprise.inject.spi.BeforeShutdown;
	import javax.enterprise.inject.spi.Extension;
	import javax.enterprise.inject.spi.ProcessAnnotatedType;

mpellegrini / beans.xml

Created March 25, 2014 12:27

Empty beans.xml marker resource for CDI support

	<!--
	For WAR files, use WEB-INF/beans.xml. In a Maven WAR module, this will be src/main/webapp/WEB-INF/beans.xml.
	For EJB-JAR files or ordinary JAR files, use META-INF/beans.xml. In a Maven module, this will be src/main/resources/META-INF/beans.xml.
	-->
	<?xml version="1.0" encoding="UTF-8"?>
	<beans xmlns="http://java.sun.com/xml/ns/javaee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="
	http://java.sun.com/xml/ns/javaee
	http://java.sun.com/xml/ns/javaee/beans_1_0.xsd">

Michael Pellegrini mpellegrini