marekbruchaty · marekbruchaty · commit 18b15260c0d0 · 2017-04-13T04:10:09.000+02:00
Simple form data reading servlet
diff --git a/.gitignore b/.gitignore
@@ -12,3 +12,5 @@
 hs_err_pid*
 
 out/
+
+\.idea/
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
diff --git a/src/MyServlet.java b/src/MyServlet.java
@@ -19,7 +19,7 @@ protected void doGet(javax.servlet.http.HttpServletRequest request, javax.servle
             writer.println("<!DOCTYPE html><html>");
             writer.println("<head>");
             writer.println("<meta charset=\"UTF-8\" />");
-            writer.println("<title>MyServlet.java:doGet(): Servlet code!</title>");
+            writer.println("<title>MyServlet using doGet() to generate simple website</title>");
             writer.println("</head>");
             writer.println("<body>");
 
diff --git a/src/ServletForm.java b/src/ServletForm.java
@@ -0,0 +1,39 @@
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+/**
+ * Created by Marek on 13/04/2017.
+ */
+public class ServletForm extends HttpServlet {
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+    }
+
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        response.setContentType("text/html");
+        response.setCharacterEncoding("UTF-8");
+
+        try (PrintWriter writer = response.getWriter()) {
+
+            writer.println("<!DOCTYPE html><html>");
+            writer.println("<head>");
+            writer.println("<meta charset=\"UTF-8\" />");
+            writer.println("<title>ServletForm using doGet() to read form data</title>");
+            writer.println("</head>");
+            writer.println("<body>");
+
+            writer.println("<h1>Hi " +
+                    request.getParameter("first_name") +
+                    " " +
+                    request.getParameter("last_name") +
+                    "! Nice to meet you ;)</h1>");
+
+            writer.println("</body>");
+            writer.println("</html>");
+        }
+    }
+}
diff --git a/web/WEB-INF/web.xml b/web/WEB-INF/web.xml
@@ -13,4 +13,15 @@
         <servlet-name>MyServlet</servlet-name>
         <url-pattern>/MyServlet</url-pattern>
     </servlet-mapping>
+
+
+    <servlet>
+        <servlet-name>ServletForm</servlet-name>
+        <servlet-class>ServletForm</servlet-class>
+    </servlet>
+
+    <servlet-mapping>
+        <servlet-name>ServletForm</servlet-name>
+        <url-pattern>/ServletForm</url-pattern>
+    </servlet-mapping>
 </web-app>
diff --git a/web/index.jsp b/web/index.jsp
@@ -12,6 +12,14 @@
   </head>
   <body>
     <h1>Simple Java Web App Demo</h1>
-    <p>To invoke a simple java servlet click <a href="MyServlet">here</a></p>
+    <p>To invoke a simple Java servlet click <a href="MyServlet">here</a></p>
+    <p>To invoke Java servlet and pass data to it fill the form below and hit the "Submit" button.</p>
+    <br/>
+    <form action="ServletForm" method="GET">
+      First Name: <input type="text" name="first_name">
+      <br />
+      Last Name: <input type="text" name="last_name" />
+      <input type="submit" value="Submit" />
+    </form>
   </body>
 </html>

-Original file line number
+Diff line change
 hs_err_pid*
 out/
++
 +\.idea/