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While using searchable plugin for the first time, I wasn’t aware that lucene implements only lexicographic comparisons for searching on indexed values (even on numeric fields). Before I learned this, I kept on wondering why a Person of age 6 always appeared in search results when I look for People more than 20 years of […]
This is more towards the best practices and my experiences for developing an application at a faster rate. In my current project, we are using many different APIs (for external services). And usually it takes time to explore, implement and then stabilize the application. Also, it’s not over once you stabilize your APIs based code. […]
I have been using the following code to get paginated result and the total number of results returned irrespective of the pagination params. def result=SampleDomain.createCriteria().list(){ // multiple restrictions maxResults(params.max) firstResult(params.offset) } // Return type is ArrayList Integer totalResult=SampleDomain.createCriteria().count(){ // multiple restrictions // maxResults(params.max) // firstResult(params.offset) } Clearly duplicating the same closure except for the pagination […]
Ques: How is unit testing different from integration testing ? Ans: Integration tests need to bring up the whole grails environment.They talk to the database. All the dynamic GORM methods and properties are available here. Unit testing are small focused, fast loading tests that do not load supporting components. Ques: How can I unit test […]
There are situations where you might want to know the Locale of the user as set in the session in your GSP so that you can show text in a particular language/manner. Here the Spring framework’s SessionLocaleResolver can come to the rescue. In one of our recent Grails projects, we did the following in one […]
Since working with SOAP calls in XML is very tiresome, we have libraries like axis and wsdl2java to generate stubs to make web-service client calls. I generated the stubs using IntelliJ IDEA to make SOAP calls in grails using the steps below. 1. Adding Framework Support If the IntelliJ project does not already have the […]
The project I am currently working on is also accessible from the iPhone. In the last few months so many changes have been done on the web application (developed in groovy/grails). Now the client wants the same thing on iPhone as well. He has a separate development team for iPhone application. The iPhone application developer […]
These are few basic steps which will help you to integrate your java application with twitter using twitter4j. Twitter4J is a Java library for the Twitter API. With Twitter4J, you can easily integrate your Java application with the Twitter. Steps : 1) Register your application at http://twitter.com/apps 2) Twitter will return Consumer Key and Consumer […]
In my current project the user has the option to add pdf file into the system. Recently we got the requirement to add a cover page to each pdf document that user downloads. We were already using the iText API for generating pdf so the task to do that was easy. After going through the […]