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d825fa8795
* Makefile.am (ordinary_java_source_files): Added new Connection and Handler classes in gnu.gcj.protocol.file package. * Makefile.in: Rebuilt. * gnu/gcj/protocol/file/Connection.java: New file. * gnu/gcj/protocol/file/Handler.java: New file. * gnu/gcj/protocol/http/Connection.java (getInputStream): Check if doInput allows input. (getOutputStream): Check if doOutput allows output. * java/net/URLStreamHandler.java (parseURL): Fix indentation. From-SVN: r26479
108 lines
2.5 KiB
Java
108 lines
2.5 KiB
Java
// URLStreamHandler.java - Superclass of all stream protocol handlers.
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/* Copyright (C) 1999 Cygnus Solutions
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package java.net;
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/**
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* @author Warren Levy <warrenl@cygnus.com>
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* @date March 4, 1999.
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*/
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/**
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* Written using on-line Java Platform 1.2 API Specification, as well
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* as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998).
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* Status: Believed complete and correct.
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*/
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public abstract class URLStreamHandler
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{
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protected abstract URLConnection openConnection(URL u)
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throws java.io.IOException;
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protected void parseURL(URL u, String spec, int start, int limit)
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{
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String tmpStr;
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String host = ""; // Initialize to null string.
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String file;
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int port = -1;
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int colon;
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/* TBD: The JDK 1.2 doc specifically says that limit is the position
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* to stop parsing at and that it will be either the end of the string
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* or the position of '#'; thus the doc infers that this method does
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* not set the ref.
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*/
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tmpStr = spec.substring(start, limit);
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int hostEnd = 0;
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if (tmpStr.startsWith("//"))
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{
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int slash = tmpStr.indexOf('/', 2);
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hostEnd = tmpStr.length();
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if (slash >= 0)
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hostEnd = slash;
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host = tmpStr.substring(2, hostEnd);
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// Look for optional port number.
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if ((colon = host.indexOf(':')) >= 0)
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{
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try
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{
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port = Integer.parseInt(host.substring(colon + 1));
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}
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catch (NumberFormatException e)
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{
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; // Ignore invalid port values; port is already set to -1.
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}
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host = host.substring(0, colon);
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}
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}
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if (hostEnd < tmpStr.length())
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file = ((tmpStr.startsWith("/")) ? "" : "/") + tmpStr.substring(hostEnd);
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else
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file = "/";
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u.set(u.getProtocol(), host, port, file, u.getRef());
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}
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protected void setURL(URL u, String protocol, String host, int port,
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String file, String ref)
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{
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u.set(protocol, host, port, file, ref);
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}
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protected String toExternalForm(URL u)
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{
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String resStr, host, file, ref;
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int port;
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resStr = u.getProtocol() + ":";
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host = u.getHost();
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port = u.getPort();
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file = u.getFile();
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ref = u.getRef();
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if (! host.equals(""))
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{
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resStr = resStr + "//" + host;
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if (port >= 0)
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resStr = resStr + ":" + port;
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}
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resStr = resStr + file;
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if (ref != null)
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resStr = resStr + "#" + ref;
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return resStr;
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}
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}
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