sinmetal/Server.java

## Server.java
package org.sinmetal.http;

import java.io.*;
import java.net.*;

/**
 * 簡易HTTPサーバ
 *
 */
public class Server {

	private static final int PORT = 8080;

	public static void main(String[] args) throws IOException {
		System.out.println("start up http server...");

		ServerSocket serverSocket = null;
		Socket socket = null;
		PrintWriter writer = null;
		BufferedReader br = null;

		try {
			serverSocket = new ServerSocket(PORT);

			while (true) {
				socket = serverSocket.accept();
				System.out.println("request incoming...");

				// リクエスト
				// header
				br = new BufferedReader(new InputStreamReader(
						socket.getInputStream()));

				final String CONTENT_LENGTH = "Content-Length:";
				int contentLength = -1;
				String str;
				while (!(str = br.readLine()).equals("")) {
					System.out.println(str);
					if (str.indexOf(CONTENT_LENGTH) > -1) {
						contentLength = new Integer(str.substring(
								str.indexOf(CONTENT_LENGTH)
										+ CONTENT_LENGTH.length() + 1,
								str.length())).intValue();
					}
				}

				// body
				if (contentLength > -1) {
					char[] charArray = new char[contentLength];
					br.read(charArray, 0, contentLength);
					String body = new String(charArray);
					System.out.println(body);
				}

				// レスポンス
				writer = new PrintWriter(socket.getOutputStream(), true);
				StringBuilder builder = new StringBuilder();

				builder.append("HTTP/1.1 200 OK").append("\n");
				builder.append("Content-Type: text/html").append("\n");
				builder.append("\n");
				builder.append("<html><head><title>Hello world!</title></head><body><h1>Hello world!</h1>Hi!</body></html>");

				System.out.println("responce...");
				System.out.println(builder.toString() + "\n");
				writer.println(builder.toString());

				socket.close();
			}

		} finally {
			if (serverSocket != null) {
				serverSocket.close();
			}
			if (socket != null) {
				socket.close();
			}
			if (writer != null) {
				writer.close();
			}
			if (br != null) {
				br.close();
			}
		}
	}
}
	package org.sinmetal.http;

	import java.io.*;
	import java.net.*;

	/**
	* 簡易HTTPサーバ
	*
	*/
	public class Server {

	private static final int PORT = 8080;

	public static void main(String[] args) throws IOException {
	System.out.println("start up http server...");

	ServerSocket serverSocket = null;
	Socket socket = null;
	PrintWriter writer = null;
	BufferedReader br = null;

	try {
	serverSocket = new ServerSocket(PORT);

	while (true) {
	socket = serverSocket.accept();
	System.out.println("request incoming...");

	// リクエスト
	// header
	br = new BufferedReader(new InputStreamReader(
	socket.getInputStream()));

	final String CONTENT_LENGTH = "Content-Length:";
	int contentLength = -1;
	String str;
	while (!(str = br.readLine()).equals("")) {
	System.out.println(str);
	if (str.indexOf(CONTENT_LENGTH) > -1) {
	contentLength = new Integer(str.substring(
	str.indexOf(CONTENT_LENGTH)
	+ CONTENT_LENGTH.length() + 1,
	str.length())).intValue();
	}
	}

	// body
	if (contentLength > -1) {
	char[] charArray = new char[contentLength];
	br.read(charArray, 0, contentLength);
	String body = new String(charArray);
	System.out.println(body);
	}

	// レスポンス
	writer = new PrintWriter(socket.getOutputStream(), true);
	StringBuilder builder = new StringBuilder();

	builder.append("HTTP/1.1 200 OK").append("\n");
	builder.append("Content-Type: text/html").append("\n");
	builder.append("\n");
	builder.append("<html><head><title>Hello world!</title></head><body><h1>Hello world!</h1>Hi!</body></html>");

	System.out.println("responce...");
	System.out.println(builder.toString() + "\n");
	writer.println(builder.toString());

	socket.close();
	}

	} finally {
	if (serverSocket != null) {
	serverSocket.close();
	}
	if (socket != null) {
	socket.close();
	}
	if (writer != null) {
	writer.close();
	}
	if (br != null) {
	br.close();
	}
	}
	}
	}