/* * Copyright (c) 1995, 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package sun.net.www.protocol.gopher;import java.io.*;import java.util.*;import sun.net.NetworkClient;import java.net.URL;import java.net.URLStreamHandler;import java.net.Proxy;import java.net.InetSocketAddress;import java.net.SocketPermission;import java.security.Permission;import sun.net.www.protocol.http.HttpURLConnection;/** * A class to handle the gopher protocol. */public class Handler extends java.net.URLStreamHandler { protected int getDefaultPort() { return 70; } public java.net.URLConnection openConnection(URL u) throws IOException { return openConnection(u, null); } public java.net.URLConnection openConnection(URL u, Proxy p) throws IOException { /* if set for proxy usage then go through the http code to get */ /* the url connection. */ if (p == null && GopherClient.getUseGopherProxy()) { String host = GopherClient.getGopherProxyHost(); if (host != null) { InetSocketAddress saddr = InetSocketAddress.createUnresolved(host, GopherClient.getGopherProxyPort()); p = new Proxy(Proxy.Type.HTTP, saddr); } } if (p != null) { return new HttpURLConnection(u, p); } return new GopherURLConnection(u); }}class GopherURLConnection extends sun.net.www.URLConnection { Permission permission; GopherURLConnection(URL u) { super(u); } public void connect() throws IOException { } public InputStream getInputStream() throws IOException { return new GopherClient(this).openStream(url); } public Permission getPermission() { if (permission == null) { int port = url.getPort(); port = port < 0 ? 70 : port; String host = url.getHost() + ":" + url.getPort(); permission = new SocketPermission(host, "connect"); } return permission; }}
/*
* Copyright (c) 1995, 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.net.www.protocol.gopher;
import java.io.*;
import java.util.*;
import sun.net.NetworkClient;
import java.net.URL;
import java.net.URLStreamHandler;
import java.net.Proxy;
import java.net.InetSocketAddress;
import java.net.SocketPermission;
import java.security.Permission;
import sun.net.www.protocol.http.HttpURLConnection;
/**
* A class to handle the gopher protocol.
*/
public class Handler extends java.net.URLStreamHandler {
protected int getDefaultPort() {
return 70;
}
public java.net.URLConnection openConnection(URL u)
throws IOException {
return openConnection(u, null);
}
public java.net.URLConnection openConnection(URL u, Proxy p)
throws IOException {
/* if set for proxy usage then go through the http code to get */
/* the url connection. */
if (p == null && GopherClient.getUseGopherProxy()) {
String host = GopherClient.getGopherProxyHost();
if (host != null) {
InetSocketAddress saddr = InetSocketAddress.createUnresolved(host, GopherClient.getGopherProxyPort());
p = new Proxy(Proxy.Type.HTTP, saddr);
}
}
if (p != null) {
return new HttpURLConnection(u, p);
}
return new GopherURLConnection(u);
}
}
class GopherURLConnection extends sun.net.www.URLConnection {
Permission permission;
GopherURLConnection(URL u) {
super(u);
}
public void connect() throws IOException {
}
public InputStream getInputStream() throws IOException {
return new GopherClient(this).openStream(url);
}
public Permission getPermission() {
if (permission == null) {
int port = url.getPort();
port = port < 0 ? 70 : port;
String host = url.getHost() + ":" + url.getPort();
permission = new SocketPermission(host, "connect");
}
return permission;
}
}