📄 daytimeurlconnection.java
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package com.macfaq.net.www.protocol.daytime;import java.net.*;import java.io.*;public class DaytimeURLConnection extends URLConnection { private Socket connection = null; public final static int DEFAULT_PORT = 13; public DaytimeURLConnection (URL u) { super(u); } public synchronized InputStream getInputStream() throws IOException { if (!connected) connect(); String header = "<html><head><title>The Time at " + url.getHost() + "</title></head><body><h1>"; String footer = "</h1></body></html>"; InputStream in1 = new ByteArrayInputStream(header.getBytes("8859_1")); InputStream in2 = this.connection.getInputStream(); InputStream in3 = new ByteArrayInputStream(footer.getBytes("8859_1")); SequenceInputStream result = new SequenceInputStream(in1, in2); result = new SequenceInputStream(result, in3); return result; } public String getContentType() { return "text/html"; } public synchronized void connect() throws IOException { if (!connected) { int port = url.getPort(); if ( port <= 0 || port > 65535) { port = DEFAULT_PORT; } this.connection = new Socket(url.getHost(), port); this.connected = true; } }}⌨️ 快捷键说明
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