Servlet Maven Configuration Example

Maven is the Project Management Tool, that help developers to built the project easily (make create, add, update, compile, testing and deploy work easy).

You can download Maven from Official Site

You can find servlet dependency file here

Here we will start a new project with maven

Project Explorer

index.jsp

This Jsp page contains a text box and submit button.

On click on submit form will submit to PersonServlet action.

<%@page contentType="text/html" pageEncoding="UTF-8" %>
	<html>

	<head>
		<title>Servlet Maven Example</title>
	</head>

	<body>
		<form action="PersonServlet">
			<input type="text" name="name" />
			<input type="submit" value="submit" />
		</form>
	</body>

	</html>

<%@page contentType="text/html" pageEncoding="UTF-8" %>

<html>

<head>

<title>Servlet Maven Example</title>

</head>

<body>

</form>

</body>

</html>

PersonServlet.java

package com.ebhor.servletmaven;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet(name = "PersonServlet", urlPatterns = {
    "/PersonServlet"
})
public class PersonServlet extends HttpServlet {

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String name = request.getParameter("name");
            out.println("");
            out.println("");
            out.println("");
            out.println("");
            out.println("");
            out.println("");
            if (name != null && !name.isEmpty()) {
                out.println("Hello" + name + "");
            } else {
                out.println("Hello Guest");
            }
            out.println("");
            out.println("");
        } finally {
            out.close();
        }
    }

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
}

package com.ebhor.servletmaven;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

@WebServlet(name = "PersonServlet", urlPatterns = {

"/PersonServlet"

})

public class PersonServlet extends HttpServlet {

protected void processRequest(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

response.setContentType("text/html;charset=UTF-8");

PrintWriter out = response.getWriter();

try {

String name = request.getParameter("name");

out.println("");

if (name != null && !name.isEmpty()) {

out.println("Hello" + name + "");

} else {

out.println("Hello Guest");

}

out.println("");

} finally {

out.close();

}

@Override

protected void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

processRequest(request, response);

}

@Override

protected void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

processRequest(request, response);

}

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemalocation="http://maven.apache.org/POM/4.0.0 
  http://maven.apache.org/maven-v4_0_0.xsd">
  <modelversion>4.0.0</modelversion>
  <groupid>servletmaven</groupid>
  <artifactid>ServletMaven</artifactid>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <dependencies>
    <!-- Add servlet dependencies -->
    <dependency>
        <groupid>javax.servlet</groupid>
        <artifactid>javax.servlet-api</artifactid>
        <version>3.1.0</version>
        <scope>provided</scope>
    </dependency>
    
  </dependencies>
 </project>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemalocation="http://maven.apache.org/POM/4.0.0

http://maven.apache.org/maven-v4_0_0.xsd">

<groupid>servletmaven</groupid>

<artifactid>ServletMaven</artifactid>

<version>0.0.1-SNAPSHOT</version>

<groupid>javax.servlet</groupid>

<artifactid>javax.servlet-api</artifactid>

<scope>provided</scope>

</dependency>

</dependencies>

</project>

Result