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Getting Started with Roo. Spring Roo Means No Compromises 3 Getting Started 4 The Tooling 4. Indicates new terms, URLs, email addresses, filenames, file extensions, pathnames, directories, and Unix utilities. Constant width Indicates commands, options, switches, variables, attributes, keys, functions. Click Download or Read Online button to get getting-started-with-spring-framework-a-hands-on-guide-to-begin-developing-applications-using-spring-framework book now. This site is like a library, Use search box in the widget to get ebook that you want. The Spring Web MVC Framework is a robust,flexible,and well-designed framework for rapidly developing web applications using the MVC design pattern.The benefits achieved from using this Spring module are similar to those you get from the rest of the.
Getting started with Spring Framework is a hands-on guide to begin developing applications using Spring Framework. The examples (consisting of 74 sample projects) that accompany this book are based on Spring 4.3 and Java 8. Spring Tutorial: Spring Framework Architecture. Load the required jar files; Run the application; Let’s get started with the first step. Step I: Creating the Bean class. Likewise you can change the name any time you want, just by changing the name in the configuration file. Spring Tutorial: Spring IoC Container.
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This chapter will guide you on how to prepare a development environment to start your work with Spring Framework. It will also teach you how to set up JDK, Tomcat and Eclipse on your machine before you set up Spring Framework −
Step 1 - Setup Java Development Kit (JDK)
You can download the latest version of SDK from Oracle's Java site − Java SE Downloads. You will find instructions for installing JDK in downloaded files, follow the given instructions to install and configure the setup. Finally set PATH and JAVA_HOME environment variables to refer to the directory that contains java and javac, typically java_install_dir/bin and java_install_dir respectively.
If you are running Windows and have installed the JDK in C:jdk1.6.0_15, you would have to put the following line in your C:autoexec.bat file.
Alternatively, on Windows NT/2000/XP, you will have to right-click on My Computer, select Properties → Advanced → Environment Variables. Then, you will have to update the PATH value and click the OK button.
On Unix (Solaris, Linux, etc.), if the SDK is installed in /usr/local/jdk1.6.0_15 and you use the C shell, you will have to put the following into your .cshrc file.
Alternatively, if you use an Integrated Development Environment (IDE) like Borland JBuilder, Eclipse, IntelliJ IDEA, or Sun ONE Studio, you will have to compile and run a simple program to confirm that the IDE knows where you have installed Java. Otherwise, you will have to carry out a proper setup as given in the document of the IDE.
Step 2 - Install Apache Common Logging API
You can download the latest version of Apache Commons Logging API from https://commons.apache.org/logging/. Once you download the installation, unpack the binary distribution into a convenient location. For example, in C:commons-logging-1.1.1 on Windows, or /usr/local/commons-logging-1.1.1 on Linux/Unix. This directory will have the following jar files and other supporting documents, etc.
Make sure you set your CLASSPATH variable on this directory properly otherwise you will face a problem while running your application.
Step 3 - Setup Eclipse IDE
All the examples in this tutorial have been written using Eclipse IDE. So we would suggest you should have the latest version of Eclipse installed on your machine.
To install Eclipse IDE, download the latest Eclipse binaries from https://www.eclipse.org/downloads/. Once you download the installation, unpack the binary distribution into a convenient location. For example, in C:eclipse on Windows, or /usr/local/eclipse on Linux/Unix and finally set PATH variable appropriately.
Eclipse can be started by executing the following commands on Windows machine, or you can simply double-click on eclipse.exe
![Javatpoint Javatpoint](/uploads/1/2/6/5/126529736/477186306.png)
Eclipse can be started by executing the following commands on Unix (Solaris, Linux, etc.) machine −
After a successful startup, if everything is fine then it should display the following result −
Step 4 - Setup Spring Framework Libraries
Now if everything is fine, then you can proceed to set up your Spring framework. Following are the simple steps to download and install the framework on your machine.
- Make a choice whether you want to install Spring on Windows or Unix, and then proceed to the next step to download .zip file for Windows and .tz file for Unix.
- Download the latest version of Spring framework binaries from https://repo.spring.io/release/org/springframework/spring.
- At the time of developing this tutorial, spring-framework-4.1.6.RELEASE-dist.zip was downloaded on Windows machine. After the downloaded file was unzipped, it gives the following directory structure inside E:spring.
You will find all the Spring libraries in the directory E:springlibs. Make sure you set your CLASSPATH variable on this directory properly otherwise you will face a problem while running your application. If you are using Eclipse, then it is not required to set CLASSPATH because all the setting will be done through Eclipse.
Once you are done with this last step, you are ready to proceed to your first Spring Example in the next chapter.
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- Written by Nam Ha Minh
- Last Updated on 12 August 2019 | Print Email
- Handling CSV generation and download in a separate controller class. This is the simplest and quickest way. The technique employed is similar to the one described in the tutorial: Spring MVC file download example. The difference is that we use an external CSV library for generating CSV data from model data, before pushing the data to the client.
- Subclassing the Spring’s AbstractView class to create a new CSV View class. This is more complex but flexible in terms of integration and reusability with Spring’s view resolvers. The technique is well described in the tutorial Spring Web MVC with PDF View Example.
1. Approach #1: Coding a CSV File Download Controller
In this approach, we create a Spring controller class that handles everything like this:As we can see, the downloadCSV() method handles requests with the URL: /downloadCSV. It creates some mock data (a list of Book objects), and then uses the Super CSV API to generate the CSV data. There are 3 important points here:- Setting the response’s content type to text/csv:
- Wrapping the response’s writer object inside the CsvBeanWriter:
- And finally closing the CSV writer in order to push the data to the client:
2. Approach #2: Subclassing AbstractView class
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This approach involves in creating an abstract view class, a concrete view class, configuring a view properties file and a view resolver. And finally, create a controller method.Coding the abstract CSV view (AbstractCsvView.java):
Subclass the Spring’s AbstractView class by writing the following class:This abstract class implements some skeleton code to write CSV data to the response, and leaves the task of building the CSV document to implementers by declaring the abstract method buildCsvDocument().Coding the concrete CSV view (CsvViewImpl.java):
Write an implementation of the AbstractCsvView class and make it implements the buildCsvDocument()![Spring Spring](/uploads/1/2/6/5/126529736/755256592.png)
Configuring a view resolver:
If Java config is used, add the following method to your configuration class:That’s equivalent to the following XML descriptor (in case you are using XML configuration):Coding a Spring controller method:And finally, add the following method into your controller class:This method simply creates some mock data and passes it into the model. And the rest is handled by the view resolver and view class which we created previously.3. Coding Test Home Page
To test both approaches, write the home.jsp page with the following content:This page simply displays two hyperlinks: the first one to download a CSV file using the first approach, and the second one uses the second approach.4. Eclipse Project Structure and Maven Dependencies
For your reference, the following screenshot is the Maven project structure in Eclipse IDE:To create this kind of project, you can follow this tutorial: Creating a Spring MVC project using Maven and Eclipse in one minute.And update the pom.xml file for the latest releases of Java, Spring, Servlet API and Super CSV:- For Java 7 and Spring 3.2.5.RELEASE:
- For Servlet 3.0 API:
- For Super CSV library:
5. Testing the Spring MVC CSV File Download Application
Let’s deploy the application on a Servlet container like Tomcat, and type the following URL in browser:http://localhost:8080/SpringMvcCSVFileDownloadExample
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to be downloaded. Here is content of the generated CSV file (some text is truncated for brevity):Related Spring View Tutorials:Other Spring Tutorials:
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About the Author:
Nam Ha Minh is certified Java programmer (SCJP and SCWCD). He started programming with Java in the time of Java 1.4 and has been falling in love with Java since then. Make friend with him on Facebook.[Eclipse-Maven project] | 30 kB |