PC Plus SuperCD (UK) 1998 August/PC Plus SuperCD 50a Issue 142 (CD142a) (August 1998).iso/trial/demon/TURNPIKE.1/CLASSES.ZIP/JAVA/NET/URL.class

Java Class File | 1997-04-14 | 4.8 KB | 237 lines

package java.net;

import java.io.IOException;
import java.io.InputStream;
import java.util.Hashtable;
import java.util.StringTokenizer;

public final class URL {
   private static final String protocolPathProp = "java.protocol.handler.pkgs";
   private String protocol;
   private String host;
   private int port;
   private String file;
   private String ref;
   URLStreamHandler handler;
   static URLStreamHandlerFactory factory;
   static Hashtable handlers = new Hashtable();

   public URL(String var1, String var2, int var3, String var4) throws MalformedURLException {
      this.port = -1;
      this.protocol = var1;
      this.host = var2;
      this.file = var4;
      this.port = var3;
      if ((this.handler = getURLStreamHandler(var1)) == null) {
         throw new MalformedURLException("unknown protocol: " + var1);
      }
   }

   public URL(String var1, String var2, String var3) throws MalformedURLException {
      this(var1, var2, -1, var3);
   }

   public URL(String var1) throws MalformedURLException {
      this((URL)null, var1);
   }

   public URL(URL var1, String var2) throws MalformedURLException {
      this.port = -1;
      String var3 = var2;
      int var7 = 0;
      String var8 = null;

      try {
         int var5;
         for(var5 = var2.count; var5 > 0 && var2.charAt(var5 - 1) <= ' '; --var5) {
         }

         while(var7 < var5 && var2.charAt(var7) <= ' ') {
            ++var7;
         }

         if (var2.regionMatches(true, var7, "url:", 0, 4)) {
            var7 += 4;
         }

         char var6;
         for(int var4 = var7; var4 < var5 && (var6 = var2.charAt(var4)) != '/'; ++var4) {
            if (var6 == ':') {
               var8 = var2.substring(var7, var4).toLowerCase();
               var7 = var4 + 1;
               break;
            }
         }

         if (var1 == null || var8 != null && !var8.equals(var1.protocol)) {
            this.protocol = var8;
         } else {
            this.protocol = var1.protocol;
            this.host = var1.host;
            this.port = var1.port;
            this.file = var1.file;
         }

         if (this.protocol == null) {
            throw new MalformedURLException("no protocol: " + var3);
         } else if ((this.handler = getURLStreamHandler(this.protocol)) == null) {
            throw new MalformedURLException("unknown protocol: " + this.protocol);
         } else {
            int var12 = var2.indexOf(35, var7);
            if (var12 >= 0) {
               this.ref = var2.substring(var12 + 1, var5);
               var5 = var12;
            }

            this.handler.parseURL(this, var2, var7, var5);
         }
      } catch (MalformedURLException var10) {
         throw var10;
      } catch (Exception var11) {
         throw new MalformedURLException(var2 + ": " + var11);
      }
   }

   protected void set(String var1, String var2, int var3, String var4, String var5) {
      this.protocol = var1;
      this.host = var2;
      this.port = var3;
      this.file = var4;
      this.ref = var5;
   }

   public int getPort() {
      return this.port;
   }

   public String getProtocol() {
      return this.protocol;
   }

   public String getHost() {
      return this.host;
   }

   public String getFile() {
      return this.file;
   }

   public String getRef() {
      return this.ref;
   }

   public boolean equals(Object var1) {
      return var1 instanceof URL && this.sameFile((URL)var1);
   }

   public int hashCode() {
      int var1 = 0;
      if (!this.host.equals("")) {
         try {
            InetAddress var2 = InetAddress.getByName(this.host);
            var1 = var2.address;
         } catch (UnknownHostException var3) {
         }
      }

      return this.protocol.hashCode() ^ var1 ^ this.file.hashCode();
   }

   boolean hostsEqual(String var1, String var2) {
      if (var1.equals(var2)) {
         return true;
      } else {
         try {
            InetAddress var3 = InetAddress.getByName(var1);
            InetAddress var4 = InetAddress.getByName(var2);
            if (var4 != null && var4 instanceof InetAddress && (var4).address == var3.address) {
               return true;
            }

            return false;
         } catch (UnknownHostException var6) {
         } catch (SecurityException var7) {
         }

         return false;
      }
   }

   public boolean sameFile(URL var1) {
      return this.protocol.equals(var1.protocol) && this.hostsEqual(this.host, var1.host) && this.port == var1.port && this.file.equals(var1.file);
   }

   public String toString() {
      return this.handler.toExternalForm(this);
   }

   public String toExternalForm() {
      return this.handler.toExternalForm(this);
   }

   public URLConnection openConnection() throws IOException {
      return this.handler.openConnection(this);
   }

   public final InputStream openStream() throws IOException {
      return this.handler.openConnection(this).getInputStream();
   }

   public final Object getContent() throws IOException {
      return this.handler.openConnection(this).getContent();
   }

   public static synchronized void setURLStreamHandlerFactory(URLStreamHandlerFactory var0) {
      if (factory != null) {
         throw new Error("factory already defined");
      } else {
         SecurityManager var1 = System.security;
         if (var1 != null) {
            var1.checkSetFactory();
         }

         factory = var0;
      }
   }

   static synchronized URLStreamHandler getURLStreamHandler(String var0) {
      String var1 = var0;
      if (var0.equals("https")) {
         var1 = new String("http");
      }

      URLStreamHandler var2 = (URLStreamHandler)handlers.get(var1);
      if (var2 == null) {
         if (factory != null) {
            var2 = factory.createURLStreamHandler(var1);
         }

         if (var2 == null) {
            String var3 = System.getProperty("java.protocol.handler.pkgs", "");
            if (var3 != "") {
               var3 = var3 + "|";
            }

            var3 = var3 + "sun.net.www.protocol";
            StringTokenizer var4 = new StringTokenizer(var3, "|");

            while(var2 == null && var4.hasMoreTokens()) {
               String var5 = var4.nextToken().trim();

               try {
                  String var6 = var5 + "." + var1 + ".Handler";
                  var2 = (URLStreamHandler)Class.forName(var6).newInstance();
               } catch (Exception var7) {
               }
            }
         }

         if (var2 != null) {
            handlers.put(var1, var2);
         }
      }

      return var2;
   }
}