NMSU-SDev · Anishmod · Feb 2, 2023 · Apr 29, 2023 · Apr 29, 2023 · May 4, 2023
diff --git a/.gitignore b/.gitignore
@@ -29,3 +29,4 @@
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 /.metadata/
+/bin/
diff --git a/Circles/build.xml b/Circles/build.xml
diff --git a/HelloWorld/src/edu/nmsu/cs/helloworld/helloworld.java b/HelloWorld/src/edu/nmsu/cs/helloworld/helloworld.java
@@ -0,0 +1,7 @@
+package edu.nmsu.cs.helloworld;
+
+public class helloworld {
+	public static void main(String[] args) {
+		System.out.println("Hello World");	
+	}
+}
diff --git a/Questions/p1Questions.txt b/Questions/p1Questions.txt
@@ -0,0 +1,6 @@
+1.4 hours
+2.Thought/Design: 3 hours
+  Programming: 2 hours
+  Debugging: 2 hours
+  TOTAL: 7 hours
+3.10% accuracy
diff --git a/Questions/p2Questions.txt b/Questions/p2Questions.txt
diff --git a/README.md b/README.md
@@ -9,3 +9,6 @@ This assignment relies on the Coverage programs.
 
 ## Program 4
 This assignment relies on the Circles programs. 
+
+## user ID
+Anishmod
diff --git a/SimpleWebServer/build.xml b/SimpleWebServer/build.xml
@@ -0,0 +1,16 @@
+<project>
+	<target name="clean">
+        <delete dir="bin"/>
+    </target>
+	<target name="compile">
+		<mkdir dir="bin" />
+		<javac srcdir="src" destdir="bin" fork="true" includeantruntime="false"/>
+        <copy todir="bin">
+           <fileset dir="resources"/>
+        </copy>
+	</target>
+	<target name="run" depends="compile" description="run the project">
+		<mkdir dir="bin" />
+        <java classname="edu.nmsu.cs.webserver.WebServer" dir="bin" fork="true"/>
+    </target>
+</project>
diff --git a/SimpleWebServer/resources/res/acc/test.html b/SimpleWebServer/resources/res/acc/test.html
@@ -0,0 +1,7 @@
+<html>
+<head>
+</head>
+<body>
+<p>Hello world, the current date is: <cs371date>. The server is: <cs371server>.</p>
+</body>
+</html>
diff --git a/SimpleWebServer/src/edu/nmsu/cs/webserver/WebServer.java b/SimpleWebServer/src/edu/nmsu/cs/webserver/WebServer.java
@@ -15,49 +15,38 @@
 import java.net.ServerSocket;
 import java.net.Socket;
 
-public class WebServer
-{
-	private ServerSocket	socket;
+public class WebServer {
+	private ServerSocket socket;
 
-	private boolean				running;
+	private boolean running;
 
 	/**
 	 * Constructor
 	 **/
-	private WebServer()
-	{
+	private WebServer() {
 		running = false;
 	}
 
 	/**
-	 * Web server starting point. This method does not return until the server is finished, so perhaps
-	 * it should be named "runServer" or something like that.
+	 * Web server starting point. This method does not return until the server is
+	 * finished, so perhaps it should be named "runServer" or something like that.
 	 * 
-	 * @param port
-	 *          is the TCP port number to accept connections on
+	 * @param port is the TCP port number to accept connections on
 	 **/
-	private boolean start(int port)
-	{
+	private boolean start(int port) {
 		Socket workerSocket;
 		WebWorker worker;
-		try
-		{
+		try {
 			socket = new ServerSocket(port);
-		}
-		catch (Exception e)
-		{
+		} catch (Exception e) {
 			System.err.println("Error binding to port " + port + ": " + e);
 			return false;
 		}
-		while (true)
-		{
-			try
-			{
+		while (true) {
+			try {
 				// wait and listen for new client connection
 				workerSocket = socket.accept();
-			}
-			catch (Exception e)
-			{
+			} catch (Exception e) {
 				System.err.println("No longer accepting: " + e);
 				break;
 			}
@@ -71,38 +60,29 @@ private boolean start(int port)
 	/**
 	 * Does not do anything, since start() never returns.
 	 **/
-	private boolean stop()
-	{
+	private boolean stop() {
 		return true;
 	}
 
 	/**
-	 * Application main: process command line and start web server; default port number is 8080 if not
-	 * given on command line.
+	 * Application main: process command line and start web server; default port
+	 * number is 8080 if not given on command line.
 	 **/
-	public static void main(String args[])
-	{
+	public static void main(String args[]) {
 		int port = 8080;
-		if (args.length > 1)
-		{
+		if (args.length > 1) {
 			System.err.println("Usage: java Webserver <portNumber>");
 			return;
-		}
-		else if (args.length == 1)
-		{
-			try
-			{
+		} else if (args.length == 1) {
+			try {
 				port = Integer.parseInt(args[0]);
-			}
-			catch (Exception e)
-			{
+			} catch (Exception e) {
 				System.err.println("Argument must be an int (" + e + ")");
 				return;
 			}
 		}
 		WebServer server = new WebServer();
-		if (!server.start(port))
-		{
+		if (!server.start(port)) {
 			System.err.println("Execution failed!");
 		}
 	} // end main

diff --git a/SimpleWebServer/src/edu/nmsu/cs/webserver/WebWorker.java b/SimpleWebServer/src/edu/nmsu/cs/webserver/WebWorker.java
@@ -20,73 +20,89 @@
  **/
 
 import java.io.BufferedReader;
+import java.io.FileInputStream;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.net.Socket;
 import java.text.DateFormat;
 import java.util.Date;
+import java.util.StringTokenizer;
 import java.util.TimeZone;
 
-public class WebWorker implements Runnable
-{
+public class WebWorker implements Runnable {
 
 	private Socket socket;
+	private boolean exist = false;
+	private FileInputStream in;
+	private String fileName;
 
 	/**
 	 * Constructor: must have a valid open socket
 	 **/
-	public WebWorker(Socket s)
-	{
+	public WebWorker(Socket s) {
 		socket = s;
 	}
 
 	/**
-	 * Worker thread starting point. Each worker handles just one HTTP request and then returns, which
-	 * destroys the thread. This method assumes that whoever created the worker created it with a
-	 * valid open socket object.
+	 * Worker thread starting point. Each worker handles just one HTTP request and
+	 * then returns, which destroys the thread. This method assumes that whoever
+	 * created the worker created it with a valid open socket object.
 	 **/
-	public void run()
-	{
-		System.err.println("Handling connection...");
-		try
-		{
-			InputStream is = socket.getInputStream();
-			OutputStream os = socket.getOutputStream();
+	public void run() {
+		System.err.println("Handling connection..."); // prints to command line when run
+		try {
+			InputStream is = socket.getInputStream(); // used for Input
+			OutputStream os = socket.getOutputStream(); // used for output
 			readHTTPRequest(is);
 			writeHTTPHeader(os, "text/html");
 			writeContent(os);
 			os.flush();
-			socket.close();
+			socket.close(); // closes socket
+			in.close(); // closes File Input Stream
+		} catch (Exception e) {
+			System.err.println("Output error: " + e); // prints to command line when there is an error
 		}
-		catch (Exception e)
-		{
-			System.err.println("Output error: " + e);
-		}
-		System.err.println("Done handling connection.");
+		System.err.println("Done handling connection."); // prints to command line before program is closed
 		return;
 	}
 
 	/**
 	 * Read the HTTP request header.
 	 **/
-	private void readHTTPRequest(InputStream is)
-	{
-		String line;
+	private void readHTTPRequest(InputStream is) {
+		String line = "";
 		BufferedReader r = new BufferedReader(new InputStreamReader(is));
-		while (true)
-		{
-			try
-			{
+		int fileCheck = 1;
+		// while running this is constantly checking for new http request headers
+		while (line.length() == 0) {
+			try {
 				while (!r.ready())
 					Thread.sleep(1);
+				// saves the HTTP path into string variable line
 				line = r.readLine();
+				// checks for a filepath
+				if (fileCheck > 0) {
+					// seperates the line into tokens
+					StringTokenizer token = new StringTokenizer(line);
+					token.nextToken();
+					// goes through tokens to build the file name that will be accessed saves to
+					// fileName
+					fileName = token.nextToken();
+					fileName = "." + fileName;
+					in = null;
+					exist = true;
+					// open the html file that was built
+					try {
+						in = new FileInputStream(fileName);
+					} catch (Exception fileNotFound) {
+						exist = false;
+					}
+					fileCheck--;
+				}
 				System.err.println("Request line: (" + line + ")");
-				if (line.length() == 0)
-					break;
-			}
-			catch (Exception e)
-			{
+			} // end try
+			catch (Exception e) {
 				System.err.println("Request error: " + e);
 				break;
 			}
@@ -97,42 +113,64 @@ private void readHTTPRequest(InputStream is)
 	/**
 	 * Write the HTTP header lines to the client network connection.
 	 * 
-	 * @param os
-	 *          is the OutputStream object to write to
-	 * @param contentType
-	 *          is the string MIME content type (e.g. "text/html")
+	 * @param os          is the OutputStream object to write to
+	 * @param contentType is the string MIME content type (e.g. "text/html")
 	 **/
-	private void writeHTTPHeader(OutputStream os, String contentType) throws Exception
-	{
+	private void writeHTTPHeader(OutputStream os, String contentType) throws Exception {
 		Date d = new Date();
 		DateFormat df = DateFormat.getDateTimeInstance();
 		df.setTimeZone(TimeZone.getTimeZone("GMT"));
-		os.write("HTTP/1.1 200 OK\n".getBytes());
+		if (exist) {
+			os.write("HTTP/1.1 200 OK\n".getBytes());
+		} else {
+			os.write("HTTP/1.1 404 File Not Found\n".getBytes());
+		}
 		os.write("Date: ".getBytes());
 		os.write((df.format(d)).getBytes());
 		os.write("\n".getBytes());
-		os.write("Server: Jon's very own server\n".getBytes());
-		// os.write("Last-Modified: Wed, 08 Jan 2003 23:11:55 GMT\n".getBytes());
-		// os.write("Content-Length: 438\n".getBytes());
+		os.write("Server: Anish's very own server\n".getBytes());
 		os.write("Connection: close\n".getBytes());
 		os.write("Content-Type: ".getBytes());
 		os.write(contentType.getBytes());
-		os.write("\n\n".getBytes()); // HTTP header ends with 2 newlines
+		os.write("\n\n".getBytes());
 		return;
 	}
 
 	/**
-	 * Write the data content to the client network connection. This MUST be done after the HTTP
-	 * header has been written out.
+	 * Write the data content to the client network connection. This MUST be done
+	 * after the HTTP header has been written out.
 	 * 
-	 * @param os
-	 *          is the OutputStream object to write to
+	 * @param os is the OutputStream object to write to
 	 **/
-	private void writeContent(OutputStream os) throws Exception
-	{
-		os.write("<html><head></head><body>\n".getBytes());
-		os.write("<h3>My web server works!</h3>\n".getBytes());
-		os.write("</body></html>\n".getBytes());
+	private void writeContent(OutputStream os) throws Exception {
+		System.out.println("writeContent");
+		if (exist) {
+			System.out.println("writeContent: File exists");
+			byte[] buffer = new byte[1024];
+			int bytes = 0;
+			Date date = new Date();
+			// file is used for the html file that will be opened in the browser
+			String file = "";
+			String server = "Anish's Server!";
+
+			while ((bytes = in.read(buffer)) != -1) {
+				file = new String(buffer, 0, bytes);
+				// prints date when date tag is used
+				if (file.contains("<cs371date>")) {
+					file = file.replace("<cs371date>", date.toString());
+				}
+				// prints server name when server tag is used
+				if (file.contains("<cs371server>")) {
+					file = file.replace("<cs371server>", server);
+				}
+			}
+
+			os.write(file.getBytes());
+		} else { // if file cannot be open/does not exist this html is opened
+			os.write("<html><head></head><body>\n".getBytes());
+			os.write("<h3>404: File not found.</h3>\n".getBytes());
+			os.write("</body></html>\n".getBytes());
+		}
 	}
 
-} // end class
+} // end class
diff --git a/meta/code_formatter-ecologylab-tabs.xml b/meta/code_formatter-ecologylab-tabs.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?xml version="1.0" encoding="UTF-8" standalone="no"? >
 <profiles version="18">
     <profile kind="CodeFormatterProfile" name="ecologylab tabs" version="18">
         <setting id="org.eclipse.jdt.core.formatter.insert_space_after_ellipsis" value="insert"/>