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Some ADT examples for Liferay 7.1

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sudo nano /etc/systemd/system/liferay.service

Add the following contents (make sure to user your own paths)

[Unit]
Description=Liferay Apache Tomcat Web Application Container
After=network.target

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Enable S3 repository storage

This gist is based on Liferay DXP (7.0) with Tomcat

1. Create system-ext.properties in /WEB-INF/classes

2. Add org.xml.sax.driver=com.sun.org.apache.xerces.internal.parsers.SAXParser to system-ext.properties

3. Create com.liferay.portal.store.s3.configuration.S3StoreConfiguration.cfg in osgi/configs

   accessKey=
   secretKey=

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<?xml version="1.0"?>
<!-- this workflow will sent data from a simple form (subject and description field) to an external rest service -->
<workflow-definition
	xmlns="urn:liferay.com:liferay-workflow_7.0.0"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:liferay.com:liferay-workflow_7.0.0 http://www.liferay.com/dtd/liferay-workflow-definition_7_0_0.xsd">
	<name>Logger</name>
	<description></description>
	<version>1</version>
	<state>
		<name>Start</name>

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The line TemplateResource templateResource = new URLTemplateResource("0",this.getClass().getClassLoader().getResource("personal_alert.ftl")); will load the template from src/main/resources

package com.liferay.alerter;

import java.io.StringWriter;

import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;

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Prerequisites

Before following this tutorial, you will need:

• A Ubuntu 16.04 Droplet set up by following the Initial Server Setup with Ubuntu 16.04, including creating a sudo non-root user.

• The Oracle JDK 8 installed, which you can do by following the "Installing the Oracle JDK" section of this Java installation article

Except otherwise noted, all of the commands that require root privileges in this tutorial should be run as a non-root user with sudo privileges.

Step 1 - Find the Right Version of Elasticsearch

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This is my portal-ext configuration to avoid static resources being cached after a new deployment in Liferay DXP. Mainly used for development purpose.

com.liferay.portal.servlet.filters.cache.CacheFilter=false
com.liferay.portal.servlet.filters.etag.ETagFilter=false
com.liferay.portal.servlet.filters.header.HeaderFilter=false
com.liferay.portal.servlet.filters.themepreview.ThemePreviewFilter=true
theme.css.fast.load=false
layout.template.cache.enabled=false
browser.launcher.url=

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Some public rest services

http://jsonplaceholder.typicode.com
https://restcountries.eu/rest/v2/all

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How to use mailtrap.io with Liferay DXP

When setting up Liferay DXP it's necessary to add an smtp-server e.g. for resetting your password. For testing/development purpose it's easier to use a service like mailtrap.io. Simply add the portal-ext.properties with the right settings and you are good to go without spamming your users.