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Author Archives: Chandan Singh

Chandan holds a degree in Computer Engineering and is a passionate software programmer. He has good experience in Java/J2EE Web-Application development for Banking and E-Commerce Domains.

iText Rectangle Example

In the past examples,we studied about the PDFWriter and PDFReader examples. In this example, we will demonstrate how we can create an Itext Rectangle and use it in our PDF document.                     1. Setup the Project Let’s setup the project by creating a simple Maven project and selecting the skip archetype ...

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iText PDFReader Example

In the previous example, we studied how we can use IText to create and manage PDF files. In this example, we will see how we can use IText to read the PDF files in our application. We will use the PDF files created in the previous examples to read and decrypt. The reader may download the source files from the ...

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iText PDFwriter Example

In the previous example, we studied about how we can use Itext to create a PDF and perform basic operations. In this example, we will dive deeper into the PDFWriter and demonstrate the different operations we can perform on PDF using the same.                   So let’s get started without much ado. Here’s ...

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iText Tutorial for Beginners

In this example, we will demonstrate how we can create and maintain PDF Files using ITEXT 1. Why use PDF? PDF stands for Portable Document Format, was a proprietary file format owned by Adobe Systems. However, it was released as an open standard in July, 2008. The PDF format is independent of the underlying software and hardware of the system ...

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Spring Data Rest Example

In the previous few examples we demonstrated how the different spring data modules are configured and their support for the NoSql databases. In this example, I will demonstrate how we can expose our CRUD Repository as a REST Web-Service over the HTTP. We will be using MySQL as the database for this project . However, the application which we shall ...

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Spring Data MongoDB Example

In this example, we will demonstrate how to connect Spring Data with MongoDb. MongoDb is also a document based NoSql Database like Solr, which we demonstrated past week. Spring Data MongoDb is the module of Spring Data that provides support for MongoDb. As with the other modules demonstrated in this series, this module too provides supports both for derived queries(based ...

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Spring Data Solr Example

In this example, we will demonstrate how to integrate Spring data with Apache Solr. Solr is a search engine built on top of Apache Lucene library. It can be communicated with a REST like HTTP API because of which it can be easily be consumed as a REST-ful web-service irrespective of the underlying programming language used in the application which ...

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Spring Data Redis Example

In the past few examples, we have been integrating Spring Data with the NoSql Databases. In this example, we shall integrate Spring Data with Redis, a key-value based NoSQL Database. Spring Data offers a level of abstraction over the traditional way of executing query by exposing a Repository. As such, the user need not write queries and call specific methods, ...

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Spring Data Cassandra Example

In the previous example, we demonstrated the configuration of Spring Data with GemFire, an in-memory NoSQL Database. So continuing on the same series, in this example we shall demonstrate how to connect Spring Data Application to Apache Cassandra, a Column based NoSql Database. Cassandra is a Distributed Database Management System that can handle large amounts of data with data replication ...

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Spring Data Gemfire Example

In the previous example, we demonstrated how we can connect to a Relational/SQL database with Spring using the Spring Data. In this example we will see how we can connect the Gemfire using the Spring Data. Gemfire is a highly scalable, low-latency, in-memory data management platform which stores data in the key-value form. The data maybe persisted onto the disk. ...

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