fifth commit

.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/compiler.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="labs" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>
\ No newline at end of file

.idea/encodings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file

.idea/jarRepositories.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="https://repo.maven.apache.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="FrameworkDetectionExcludesConfiguration">
+    <file type="web" url="file://$PROJECT_DIR$" />
+  </component>
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK" />
+</project>
\ No newline at end of file

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

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/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>nl.utwente.di</groupId>
+	<artifactId>labs</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>war</packaging>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+	</properties>
+
+	<build>
+		<finalName>${project.artifactId}</finalName>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.8.0</version>
+				<configuration>
+					<release>11</release>
+				</configuration>
+			</plugin>
+			<plugin>
+				<artifactId>maven-war-plugin</artifactId>
+				<version>2.6</version>
+				<configuration>
+					<filteringDeploymentDescriptors>true</filteringDeploymentDescriptors>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+	<dependencies>
+		<!-- Dependency added for Tomcat 8.5 (Servlet 3.1 API) -->
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>javax.servlet-api</artifactId>
+			<version>3.1.0</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-api</artifactId>
+			<version>5.8.2</version>
+		</dependency>
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-engine</artifactId>
+			<version>5.8.2</version>
+		</dependency>
+
+	</dependencies>
+</project>
\ No newline at end of file

src/main/java/nl/utwente/di/bookQuote/BookQuote.java

+package nl.utwente.di.bookQuote;
+
+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;
+
+/** Example of a Servlet that gets an ISBN number and returns the book price
+ */
+
+public class BookQuote extends HttpServlet {
+	private static final long serialVersionUID = 1L;
+	private Quoter quoter;
+	
+    public void init() throws ServletException {
+    	quoter = new Quoter();
+    }	
+	
+  public void doGet(HttpServletRequest request, HttpServletResponse response)
+      throws ServletException, IOException {
+
+    response.setContentType("text/html");
+    PrintWriter out = response.getWriter();
+    String docType =
+      "<!DOCTYPE HTML>\n";
+    String title = "Book Quote"; 
+    out.println(docType +
+                "<HTML>\n" +
+                "<HEAD><TITLE>" + title + "</TITLE>" +
+                "<LINK REL=STYLESHEET HREF=\"styles.css\">" +
+                		"</HEAD>\n" +
+                "<BODY BGCOLOR=\"#FDF5E6\">\n" +
+                "<H1>" + title + "</H1>\n" +              
+                "  <P>ISBN number: " +
+                   request.getParameter("isbn") + "\n" +
+                "  <P>Price: " +
+                   Double.toString(quoter.getBookPrice(request.getParameter("isbn"))) +
+                "</BODY></HTML>");
+  }
+}

src/main/java/nl/utwente/di/bookQuote/Quoter.java

+package nl.utwente.di.bookQuote;
+
+public class Quoter {
+    public double getBookPrice(String isbn) {
+        switch (isbn) {
+            case "1":
+                return 10;
+            case "2":
+                return 45;
+            case "3":
+                return 20;
+            case "4":
+                return 35;
+            case "5":
+                return 50;
+            default:
+                return 0;
+        }
+    }
+}

src/main/java/nl/utwente/di/temperature/Converter.java

+package nl.utwente.di.temperature;
+
+public class Converter {
+    public static double convert(String string) {
+        try {
+            return (Double.parseDouble(string) - 32) / 1.8;
+        } catch (NumberFormatException | NullPointerException exception) {
+            return 0;
+        }
+    }
+}

src/main/java/nl/utwente/di/temperature/Temperature.java

+package nl.utwente.di.temperature;
+
+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;
+
+public class Temperature  extends HttpServlet {
+    private static final long serialVersionUID = 1L;
+
+    public void init() throws ServletException {
+
+    }
+
+    public void doGet(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+
+        response.setContentType("text/html");
+        PrintWriter out = response.getWriter();
+        String docType =
+                "<!DOCTYPE HTML>\n";
+        String title = "Temperature";
+        out.println(docType +
+                "<HTML>\n" +
+                "<HEAD><TITLE>" + title + "</TITLE>" +
+                "<LINK REL=STYLESHEET HREF=\"styles.css\">" +
+                "</HEAD>\n" +
+                "<BODY BGCOLOR=\"#FDF5E6\">\n" +
+                "<H1>" + title + "</H1>\n" +
+                "  <P>&deg;F: " +
+                request.getParameter("temp") + "\n" +
+                "  <P>&deg;C: " +
+                Double.toString(Converter.convert(request.getParameter("temp"))) +
+                "</BODY></HTML>");
+    }
+}
\ No newline at end of file

src/main/webapp/WEB-INF/web.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee 
+		 http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
+         version="3.1">
+
+  <display-name>di.labs</display-name>
+  
+  <welcome-file-list>
+    <welcome-file>index.html</welcome-file>
+    <welcome-file>index.htm</welcome-file>
+    <welcome-file>index.jsp</welcome-file>
+    <welcome-file>default.html</welcome-file>
+    <welcome-file>default.htm</welcome-file>
+    <welcome-file>default.jsp</welcome-file>
+  </welcome-file-list>
+  <servlet>
+    <description>BookQuote Servlet</description>
+    <display-name>BookQuote</display-name>
+    <servlet-name>BookQuote</servlet-name>
+    <servlet-class>nl.utwente.di.bookQuote.BookQuote</servlet-class>
+  </servlet>
+  <servlet-mapping>
+    <servlet-name>BookQuote</servlet-name>
+    <url-pattern>/bookquote/quote</url-pattern>
+  </servlet-mapping>
+  <servlet>
+    <description>Temperature Servlet</description>
+    <display-name>Temperature</display-name>
+    <servlet-name>Temperature</servlet-name>
+    <servlet-class>nl.utwente.di.temperature.Temperature</servlet-class>
+  </servlet>
+  <servlet-mapping>
+    <servlet-name>Temperature</servlet-name>
+    <url-pattern>/temperature/temperature</url-pattern>
+  </servlet-mapping>
+</web-app>
\ No newline at end of file

src/main/webapp/bookquote/index.html

+<!DOCTYPE HTML>
+<!-- Front end for the webBookQuote Servlet. -->
+
+<html lang="en">
+<head>
+<title>Web Book Quote Application</title>
+<link rel="stylesheet" href="../styles.css">
+<meta charset="UTF-8">
+</head>
+
+<body>
+<h1>Web Book Quote Application</h1>
+
+<form ACTION="./quote">
+  <p>Enter ISBN number:  <input TYPE="TEXT" NAME="isbn"></p>
+  <input TYPE="SUBMIT">
+</form>
+
+</body>
+</html>

src/main/webapp/index.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>HOME</title>
+</head>
+<body>
+<header>
+  <nav>
+    <a href="/labs/bookquote/">book quote</a>
+    <a href="/labs/temperature/">temperature</a>
+  </nav>
+</header>
+<main>
+  <section>
+    <h1>Welcome!</h1>
+    <p>
+      <strong>
+        Hello everyone, welcome to this website.
+      </strong>
+    </p>
+  </section>
+</main>
+<footer>
+
+</footer>
+</body>
+</html>
\ No newline at end of file

src/main/webapp/styles.css

+BODY { background-color: WHITE }
+
+H1 { color: PURPLE;
+     text-align: left;
+     font-size: 28px;
+     font-family: Arial, Helvetica, sans-serif;
+     font-weight: normal
+}
+.LARGER { font-size: 120% }
+.TINY { font-size: 50% }
+H2 { color: #440000;
+     text-align: left;
+     font-family: Arial, Helvetica, sans-serif
+}
+H3 { color: #440000;
+     text-align: left;
+     font-family: Arial, Helvetica, sans-serif
+}
+UL { margin-top: 0;
+     border-top-width: 0;
+     padding-top: 0
+}
+
+P { color: BLACK;
+	text-align: left;
+	font-size: 20px;
+	font-family: Arial, Helvetica, sans-serif
+}
+
+FORM { 	color: BLACK;
+		text-align: left;
+		font-size: 20px;
+		font-family: Arial, Helvetica, sans-serif
+}
+
+PRE { font-size: 105%;
+}
+CODE { font-size: 105%; 
+}
+.TOC { font-size: 90%;
+       font-weight: bold;
+       font-family: Arial, Helvetica, sans-serif
+}
+TH.COLORED { background-color: #FFAD00
+}
+TR.COLORED { background-color: #FFAD00
+}
+TH.TITLE   { background-color: #EF8429;
+             font-size: 40px;
+             font-family: Arial, Helvetica, sans-serif;
+}
+A:hover { color: red }

src/main/webapp/temperature/index.html

+<!DOCTYPE HTML>
+<!-- Front end for the webBookQuote Servlet. -->
+
+<html lang="en">
+<head>
+<title>&deg;F to &deg;C</title>
+<link rel="stylesheet" href="../styles.css">
+<meta charset="UTF-8">
+</head>
+
+<body>
+<h1>&deg;Fahrenheit to &deg;Celsius calculator</h1>
+
+<form ACTION="./temperature">
+  <p>Enter &deg;F:  <input TYPE="NUMBER" NAME="temp"></p>
+  <input TYPE="SUBMIT">
+</form>
+
+</body>
+</html>