fjtorres’s gists

fjtorres / TestCompletableFuture.java

Created July 24, 2024 09:47

Test case about CompletableFuture and allOf/join methods

	import java.util.List;
	import java.util.concurrent.CompletableFuture;
	import java.util.concurrent.TimeUnit;

	public class TestCompletableFuture {

	public static void main(String[] args) {
	CompletableFuture<Void> task1 = CompletableFuture.runAsync(() -> System.out.println("task 1"));
	CompletableFuture<Void> task2 = CompletableFuture.runAsync(() -> System.out.println("task 2"));
	CompletableFuture<Void> task3 = CompletableFuture.runAsync(() -> {

fjtorres / customize_freshdesk_widget.js

Created September 27, 2022 08:22

These javascript functions will help you to customize Freshdesk widget when you are using the free tier. Basically these functions will add custom styles to launcher icon and override some stiles for the widget.

	async function redesignFreshdeskWidgetLauncher() {

	const frame = await waitFor('#launcher-frame', document);
	const frameHead = frame.contentDocument.getElementsByTagName("head")[0];

	const new_style_element = document.createElement("style");
	new_style_element.textContent = ".launcher-button, .launcher-button:hover, .launcher-button:active { background: none; background-color: #8CC448 !important; transition: none !important;animation: none !important;}"

	frameHead.appendChild(new_style_element);

fjtorres / NodemailerServiceImpl.java

Created April 13, 2022 07:47

Utility class to use Nodemailer API to create Ethereal.email accounts from Java

	import com.fasterxml.jackson.databind.ObjectMapper;
	import jakarta.mail.Flags;
	import jakarta.mail.Folder;
	import jakarta.mail.Message;
	import jakarta.mail.MessagingException;
	import jakarta.mail.Session;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import java.net.HttpURLConnection;

fjtorres / WebServerTest.java

Last active March 31, 2022 18:04

Simple HTTP server with Java

	import java.io.IOException;
	import java.net.InetSocketAddress;
	import java.nio.file.Files;
	import java.nio.file.Paths;
	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	import java.util.stream.Stream;

fjtorres / Systemd service definition

Last active January 14, 2023 10:44

File to define a service to launch a Java application using Systemd in Linux.

	[Unit]
	Description=Start Java Application
	After=network.target
	StartLimitIntervalSec=0

	[Service]
	Type=simple
	Restart=on-failure
	RestartSec=1
	User=root

fjtorres / logback.xml

Created February 19, 2019 08:55

Logback configuration to use Logentries/InsightOps with json layout provided by Logstash.

	<?xml version="1.0" encoding="UTF-8"?>
	<configuration>

	<include resource="org/springframework/boot/logging/logback/defaults.xml" />

	<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
	<encoder class="net.logstash.logback.encoder.LogstashEncoder">
	<customFields>{"application":"app-name"}</customFields>
	</encoder>
	</appender>

fjtorres / RotateToPortrait.java

Last active May 8, 2018 15:04

	import java.io.IOException;
	import java.nio.file.Files;
	import java.nio.file.Path;

	import com.itextpdf.text.DocumentException;
	import com.itextpdf.text.Rectangle;
	import com.itextpdf.text.pdf.PdfDictionary;
	import com.itextpdf.text.pdf.PdfName;
	import com.itextpdf.text.pdf.PdfNumber;
	import com.itextpdf.text.pdf.PdfReader;

fjtorres / HttpConnectorConfiguration.java

Last active December 14, 2017 09:09

Enable HTTP listener with undertow when you have enabled HTTPS in Spring boot.

	import io.undertow.Undertow;
	import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;
	import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizer;
	import org.springframework.boot.context.embedded.undertow.UndertowBuilderCustomizer;
	import org.springframework.boot.context.embedded.undertow.UndertowEmbeddedServletContainerFactory;
	import org.springframework.context.annotation.Bean;
	import org.springframework.context.annotation.Configuration;

	/**
	* Configuration class to enable HTTP listener (when HTTPS is enabled in Spring Boot we need to add support to HTTP manually).

fjtorres / MoveToParentDirTest.java

Created November 27, 2017 11:46

Moves all files from child directories to root folder and delete empty directories.

	import java.io.IOException;
	import java.nio.file.DirectoryStream;
	import java.nio.file.FileVisitResult;
	import java.nio.file.Files;
	import java.nio.file.Path;
	import java.nio.file.Paths;
	import java.nio.file.SimpleFileVisitor;
	import java.nio.file.attribute.BasicFileAttributes;
	import java.util.concurrent.atomic.AtomicInteger;

fjtorres / Increase sequence value.sql

Created June 7, 2017 14:23

	DECLARE

	flag NUMBER;

	BEGIN

	flag:=127;

	while flag < 13892 loop

Francisco Javier Torres fjtorres