ExecuteShellWithJava

ExecuteShellWithJava allows you to integrate Shell scripting to execute command from terminal automatically. (Ubuntu)

Understand File structure, purpose and use

File Structure

ExecuteShellWithJava
│   build.xml
│   README.md
│
├───build //the project folder hold the compiled classes, meta information, test cases, and distribution folder.
|
├───nbproject // Contains all the netbeans metadata about your project. When you go Project -> properties all the settings (and others) that you find there are stored in the nbProjects folder.
│   │   ant-deploy.xml
│   │   build-impl.xml
│   │   genfiles.properties
│   │   project.properties
│   │   project.xml
│   │
│   └───private
│           private.properties
│           private.xml
│
├───src // The source folder only contains your source code
│   ├───conf
│   │       MANIFEST.MF
│   │
│   └───java // src contains java code
│       └───myPkg // package named as a myPkg
│               FileGeneratorMain.java
│               HadoopProcessingClass.java
│               ProcessData.java
│
└───web  // Contains web pages like html,jsp,css,js,(assets ... etc.)
    │   index.html //PURPOSE : General HTML page contains two buttons. (1) Start hadoop (2) Process data
    │   script.js //Asynchronous call to start hadoop using terminal (No need to write command on a terminal, it will automatically managed by this script)
    │
    ├───META-INF // Contains meta data about the contents of the JAR or main class
    │       context.xml // contains a "Context" tag (Context Fragment) for a single Tomcat web application. This can be used to define certain behaviours for your application, JNDI resources and other settings.
    │
    └───WEB-INF // Contains resources pertaining to the Web application including a web.xml file. Also contained a deployment descriptor file, called web.xml
            web.xml // Contains welcome file, servlet and servlet mapping

How to run ExecuteShellWithJava

1. Open terminal in backside. (Its require)
   
2. Run netbeans project using tomcat or glassfish server.
   
3. You can see two buttons, Start hadoop and process data.
   

• You will get success message if hadoop started successfully and so another button "Process data" will be visible. [disabled = false]
  

4. If your mentioned path have required files, it will start uploading and process the data as per your algorithm.

Conclusion

Hence, you can integrate this project with java-hadoop, where you want to call any command from terminal. [For Bigdata, hadoop is more preferable and it gives best performance in ubuntu]

If you have any Query contact me!