by Neeraj Bhatt | Jan 13, 2014 | Heroku
7 Simple steps to deploy your first grails app in Heroku server. Step 1) Install Git Step 2) Create account in Heroku Step 3) Install Heroku Toolbelt Try wget -qO- https://toolbelt.heroku.com/install-ubuntu.sh | sh or Below code taken from here mkdir ~/heroku-debs cd...
by Neeraj Bhatt | Jan 13, 2014 | Grails
Problem : At the time of Stripe Webhook URL integration with my grails application, I was getting an empty request in webhook URL and it confused me a lot. Finally i found out that Stripe sends response back to webhook URL in JSON format. I was not able to print the...
by Abdullah Qayuum | Jan 13, 2014 | Grails
I am trying to explain the simple mechanism used in grails pagination . For this I have created brand new application which uses the grails default pagination and column sorting.In my grails-app I just used a domain class as follows: class Book { String title String...
by Aman Goel | Jan 6, 2014 | Linux
In this blog post, I am going to discuss that how ftp server is install and configured on local machine. Firstly install the Ftp server on local machine. I am using Ubuntu 12.04. To install ftp server on ubuntu machine: sudo apt-get install vsftpd 1 sudo apt-get...
by Prashant Gupta | Dec 29, 2013 | Hibernate, Java
List is a collection in which the indexes of the elements are maintained. Hibernate maintains the same by adding an index column to the collection table. Let’s see how it’s done using the XML mapping. First we need to add the Persistent class. We’ll...
by Prashant Gupta | Dec 29, 2013 | Hibernate, Java
Bag is an unordered collection that permits duplicate elements. Let’s edit the Student class from our previous post in which a Set property was configured. We’ll use the same class but we’ll replace the set with Bag. Java doesn’t have the...
by Prashant Gupta | Dec 29, 2013 | Hibernate, Java
It’s a common requirement to configure value-type collections in the entity. In this post I’ll walk you through the steps for configuring the Set of value-type collection. We know Set doesn’t allow duplicate entries so it will be interesting to see...
by Prashant Gupta | Dec 22, 2013 | Hibernate, Java
In persistent units we often face a scenario where we think of grouping few similar properties and creating separate persistent entity for them would be expensive. For such situation creating embedded components for grouping such properties makes more sense. The life...
by Vivek Yadav | Dec 22, 2013 | Grails
When you make dynamic report, sometimes you need to add subreport. You can add subreport and also set its position dynamically. Also you need to pass data source with this. Here is a code snippet to understand that how can you make subreport in main report...
by Gaurav Chauhan | Dec 21, 2013 | MongoDB
MongoDB for MySQL/RDBMS Developers : Part 1 This is my for first post for “Mongodb for Mysql developers series”. I come from RDBMS background and these were things which were new to me: MySQL - MongoDB "Database" - "Database"...
by Prashant Gupta | Dec 15, 2013 | Java, JPA
We’ll be using maven for dependency management and H2 database. Let’s start by adding all the dependencies to the pom.xml. <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId>...
by Prashant Gupta | Dec 15, 2013 | Hibernate, Java
Let’s start by adding the dependency for c3p0 in our application’s pom.xml. <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-c3p0</artifactId> <version>4.2.7.Final</version> </dependency>...
by Prashant Gupta | Dec 15, 2013 | Hibernate, Java
In order to use annotations for mapping in Hibernate we need to annotate our persistent classes. We’ll be replacing the XML mapping configuration with annotations. Let’s reuse the code we have already done in this post. We’ll remove the...
by Prashant Gupta | Dec 15, 2013 | Hibernate, Java
Today, We’ll create a simple Hibernate project with a single persistent class Message using Maven through XML configuration and mapping. We’ll be using H2 database. Hibernate is the most popular ORM tool which is quite rich in features. It promotes the...
by Rajesh Ranjan | Dec 15, 2013 | Grails
Today I am going to explain Grails springSecurity Session testing. Let us make a controller and action that is mentioned below. Here I have made a controller named as UserController and a check action that will check for user authentication and I have made the domain...
by Gaurav Chauhan | Dec 14, 2013 | Grails, Java
In this post i am going to talk about how we started monitoring the performance of our grails application. We have a big release coming up in couple of months and development on the product was going on from last 10 months. In one of our reviews last month we started...
by Manish Bharti | Nov 30, 2013 | Grails
Grails provide you to log all the hibernate queries by setting logSql=true in the DataSource.groovy file like: environments { development { dataSource { ... logSql = true } } ... But native SQL queries are not logged. To log the SQL queries add groovy.sql in you log4j...
by Manish Bharti | Nov 27, 2013 | Grails, OAuth
Grails oauth plugin is an awesome plugin, using this you can integrate your application with several sites that provide oauth support. Following are the simple steps to integrate LinkedIn in you grails application: Step 1 : Install the Oauth plugin Open...
by Manish Bharti | Nov 26, 2013 | Grails
We can easily generate links in grails controllers, gsps and tag libraries using g.link method of grails tag library. But tag libraries are not accessible in the grails services. Grails provide us grailsLinkGenerator bean to create link in grails services. First...
by Manish Bharti | Nov 10, 2013 | Grails, Grails 2.3.0
Grails domain classes has beforeInsert and beforeUpdate method that get fired before domain object is going to saved or updated respectively. class Person { def securityService String name Date signupDate String lastUpdatedBy def beforeInsert() { signupDate = new...
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