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-rw-r--r--libjava/java/net/URL.java341
1 files changed, 0 insertions, 341 deletions
diff --git a/libjava/java/net/URL.java b/libjava/java/net/URL.java
deleted file mode 100644
index da56f49dc2d..00000000000
--- a/libjava/java/net/URL.java
+++ /dev/null
@@ -1,341 +0,0 @@
-// URL.java - A Uniform Resource Locator.
-
-/* Copyright (C) 1999 Cygnus Solutions
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-package java.net;
-
-import java.io.*;
-import java.util.Hashtable;
-import java.util.StringTokenizer;
-
-/**
- * @author Warren Levy <warrenl@cygnus.com>
- * @date March 4, 1999.
- */
-
-/**
- * Written using on-line Java Platform 1.2 API Specification, as well
- * as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998).
- * Status: Believed complete and correct.
- */
-
-public final class URL implements Serializable
-{
- private String protocol;
- private String host;
- private int port;
- private String file;
- private String ref;
- private URLStreamHandler handler;
- private static Hashtable handlers = new Hashtable();
- private static URLStreamHandlerFactory factory;
-
- public URL(String protocol, String host, int port, String file)
- throws MalformedURLException
- {
- this(protocol, host, port, file, null);
- }
-
- public URL(String protocol, String host, String file)
- throws MalformedURLException
- {
- this(protocol, host, -1, file, null);
- }
-
- // JDK1.2
- public URL(String protocol, String host, int port, String file,
- URLStreamHandler handler) throws MalformedURLException
- {
- if (protocol == null)
- throw new MalformedURLException("null protocol");
- this.protocol = protocol;
-
- if (handler != null)
- {
- // TODO12: Need SecurityManager.checkPermission and
- // TODO12: java.net.NetPermission from JDK 1.2 to be implemented.
- // Throw an exception if an extant security mgr precludes
- // specifying a StreamHandler.
- //
- // SecurityManager s = System.getSecurityManager();
- // if (s != null)
- // s.checkPermission(NetPermission("specifyStreamHandler"));
-
- this.handler = handler;
- }
- else
- this.handler = setURLStreamHandler(protocol);
-
- if (this.handler == null)
- throw new MalformedURLException("Handler for protocol not found");
-
- this.host = host;
-
- this.port = port;
-
- int hashAt = file.indexOf('#');
- if (hashAt < 0)
- {
- this.file = file;
- this.ref = null;
- }
- else
- {
- this.file = file.substring(0, hashAt);
- this.ref = file.substring(hashAt + 1);
- }
- }
-
- public URL(String spec) throws MalformedURLException
- {
- this((URL) null, spec, (URLStreamHandler) null);
- }
-
- public URL(URL context, String spec) throws MalformedURLException
- {
- this(context, spec, (URLStreamHandler) null);
- }
-
- // JDK1.2
- public URL(URL context, String spec, URLStreamHandler handler)
- throws MalformedURLException
- {
- /* A protocol is defined by the doc as the substring before a ':'
- * as long as the ':' occurs before any '/'.
- *
- * If context is null, then spec must be an absolute URL.
- *
- * The relative URL need not specify all the components of a URL.
- * If the protocol, host name, or port number is missing, the value
- * is inherited from the context. A bare file component is appended
- * to the context's file. The optional anchor is not inherited.
- */
-
- int colon;
- int slash;
- if ((colon = spec.indexOf(':')) > 0 &&
- (colon < (slash = spec.indexOf('/')) || slash < 0))
- {
- // Protocol specified in spec string.
- protocol = spec.substring(0, colon);
- if (context != null && context.protocol == protocol)
- {
- // The 1.2 doc specifically says these are copied to the new URL.
- host = context.host;
- port = context.port;
- file = context.file;
- }
- }
- else if (context != null)
- {
- // Protocol NOT specified in spec string.
- // Use context fields (except ref) as a foundation for relative URLs.
- colon = -1;
- protocol = context.protocol;
- host = context.host;
- port = context.port;
- file = context.file;
- }
- else // Protocol NOT specified in spec. and no context available.
- throw new
- MalformedURLException("Absolute URL required with null context");
-
- if (handler != null)
- {
- // TODO12: Need SecurityManager.checkPermission and
- // TODO12: java.net.NetPermission from JDK 1.2 to be implemented.
- // Throw an exception if an extant security mgr precludes
- // specifying a StreamHandler.
- //
- // SecurityManager s = System.getSecurityManager();
- // if (s != null)
- // s.checkPermission(NetPermission("specifyStreamHandler"));
-
- this.handler = handler;
- }
- else
- this.handler = setURLStreamHandler(protocol);
-
- if (this.handler == null)
- throw new MalformedURLException("Handler for protocol not found");
-
- // JDK 1.2 doc for parseURL specifically states that any '#' ref
- // is to be excluded by passing the 'limit' as the indexOf the '#'
- // if one exists, otherwise pass the end of the string.
- int hashAt = spec.indexOf('#', colon + 1);
- this.handler.parseURL(this, spec, colon + 1,
- hashAt < 0 ? spec.length() : hashAt);
- if (hashAt >= 0)
- ref = spec.substring(hashAt + 1);
- }
-
- public boolean equals(Object obj)
- {
- if (obj == null || ! (obj instanceof URL))
- return false;
-
- URL uObj = (URL) obj;
- if (protocol != uObj.protocol || host != uObj.host || port != uObj.port ||
- file != uObj.file || ref != uObj.ref)
- return false;
-
- return true;
- }
-
- public final Object getContent() throws IOException
- {
- return openConnection().getContent();
- }
-
- public String getFile()
- {
- return file;
- }
-
- public String getHost()
- {
- return host;
- }
-
- public int getPort()
- {
- return port;
- }
-
- public String getProtocol()
- {
- return protocol;
- }
-
- public String getRef()
- {
- return ref;
- }
-
- public int hashCode()
- {
- // JCL book says this is computed using (only) the hashcodes of the
- // protocol, host and file fields. Empirical evidence indicates this
- // is probably XOR.
- return (protocol.hashCode() ^ host.hashCode() ^ file.hashCode());
- }
-
- public URLConnection openConnection() throws IOException
- {
- return handler.openConnection(this);
- }
-
- public final InputStream openStream() throws IOException
- {
- return openConnection().getInputStream();
- }
-
- public boolean sameFile(URL other)
- {
- if (other == null || protocol != other.protocol || host != other.host ||
- port != other.port || file != other.file)
- return false;
-
- return true;
- }
-
- protected void set(String protocol, String host, int port, String file,
- String ref)
- {
- // TBD: Theoretically, a poorly written StreamHandler could pass an
- // invalid protocol. It will cause the handler to be set to null
- // thus overriding a valid handler. Callers of this method should
- // be aware of this.
- this.handler = setURLStreamHandler(protocol);
- this.protocol = protocol;
- this.port = port;
- this.host = host;
- this.file = file;
- this.ref = ref;
- }
-
- public static synchronized void
- setURLStreamHandlerFactory(URLStreamHandlerFactory fac)
- {
- if (factory != null)
- throw new Error("URLStreamHandlerFactory already set");
-
- // Throw an exception if an extant security mgr precludes
- // setting the factory.
- SecurityManager s = System.getSecurityManager();
- if (s != null)
- s.checkSetFactory();
- factory = fac;
- }
-
- public String toExternalForm()
- {
- // Identical to toString().
- return handler.toExternalForm(this);
- }
-
- public String toString()
- {
- // Identical to toExternalForm().
- return handler.toExternalForm(this);
- }
-
- private URLStreamHandler setURLStreamHandler(String protocol)
- {
- URLStreamHandler handler;
-
- // See if a handler has been cached for this protocol.
- if ((handler = (URLStreamHandler) handlers.get(protocol)) != null)
- return handler;
-
- // If a non-default factory has been set, use it to find the protocol.
- if (factory != null)
- handler = factory.createURLStreamHandler(protocol);
-
- // Non-default factory may have returned null or a factory wasn't set.
- // Use the default search algorithm to find a handler for this protocol.
- if (handler == null)
- {
- // Get the list of packages to check and append our default handler
- // to it, along with the JDK specified default as a last resort.
- // Except in very unusual environments the JDK specified one shouldn't
- // ever be needed (or available).
- String propVal = System.getProperty("java.protocol.handler.pkgs");
- propVal = (propVal == null) ? "" : (propVal + "|");
- propVal = propVal + "gnu.gcj.protocol|sun.net.www.protocol";
-
- StringTokenizer pkgPrefix = new StringTokenizer(propVal, "|");
- do
- {
- String facName = pkgPrefix.nextToken() + "." + protocol +
- ".Handler";
- try
- {
- handler =
- (URLStreamHandler) Class.forName(facName).newInstance();
- }
- catch (Exception e)
- {
- // Can't instantiate; handler still null, go on to next element.
- }
- } while ((handler == null ||
- ! (handler instanceof URLStreamHandler)) &&
- pkgPrefix.hasMoreTokens());
- }
-
- // Update the hashtable with the new protocol handler.
- if (handler != null)
- if (handler instanceof URLStreamHandler)
- handlers.put(protocol, handler);
- else
- handler = null;
-
- return handler;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 19:00:23 +0000