Connection.java, [...]: Moved to gnu/java/net/protocol.
2003-10-08 Michael Koch <konqueror@gmx.de> * gnu/gcj/protocol/core/Connection.java, gnu/gcj/protocol/core/CoreInputStream.java, gnu/gcj/protocol/core/Handler.java, gnu/gcj/protocol/core/natCoreInputStream.cc, gnu/gcj/protocol/file/Connection.java, gnu/gcj/protocol/file/Handler.java, gnu/gcj/protocol/gcjlib/Connection.java, gnu/gcj/protocol/gcjlib/Handler.java, gnu/gcj/protocol/http/Connection.java, gnu/gcj/protocol/http/Handler.java, gnu/gcj/protocol/jar/Connection.java, gnu/gcj/protocol/jar/Handler.java: Moved to gnu/java/net/protocol. * gnu/java/net/protocol/core/Connection.java, gnu/java/net/protocol/core/CoreInputStream.java, gnu/java/net/protocol/core/Handler.java, gnu/java/net/protocol/core/natCoreInputStream.cc, gnu/java/net/protocol/file/Connection.java, gnu/java/net/protocol/file/Handler.java, gnu/java/net/protocol/gcjlib/Connection.java, gnu/java/net/protocol/gcjlib/Handler.java, gnu/java/net/protocol/http/Connection.java, gnu/java/net/protocol/http/Handler.java, gnu/java/net/protocol/jar/Connection.java, gnu/java/net/protocol/jar/Handler.java: Moved from gnu/gcj/protocol. * gnu/gcj/runtime/FirstThread.java, java/net/URL.java: Use moved protocol handlers. * Makefile.am (ordinary_java_source_files): Moved files. (nat_source_files): Likewise. * Makefile.in: Regenerated. From-SVN: r72233
This commit is contained in:
Michael Koch
committed by
Michael Koch
Michael Koch
parent
36805693cb
commit
85aa13b287
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// Connection.java - Implementation of URLConnection for file protocol.
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/* Copyright (C) 1999 Free Software Foundation
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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 gnu.java.net.protocol.file;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.net.ProtocolException;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.Map;
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import java.util.Vector;
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import java.util.Hashtable;
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import java.util.Enumeration;
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/**
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* @author Warren Levy <warrenl@cygnus.com>
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* @date April 13, 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: Minimal subset of functionality.
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*/
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class Connection extends URLConnection
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{
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private Hashtable hdrHash = new Hashtable();
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private Vector hdrVec = new Vector();
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private boolean gotHeaders = false;
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private File fileIn;
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private InputStream inputStream;
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private OutputStream outputStream;
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public Connection(URL url)
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{
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super(url);
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}
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// Implementation of abstract method.
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public void connect() throws IOException
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{
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// Call is ignored if already connected.
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if (connected)
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return;
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// If not connected, then file needs to be openned.
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String fname = url.getFile();
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fileIn = new File(fname);
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if (doInput)
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inputStream = new BufferedInputStream(new FileInputStream(fileIn));
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if (doOutput)
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outputStream = new BufferedOutputStream(new FileOutputStream(fileIn));
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connected = true;
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}
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public InputStream getInputStream() throws IOException
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{
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if (! doInput)
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throw new ProtocolException("Can't open InputStream if doInput is false");
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if (!connected)
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connect();
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return inputStream;
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}
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// Override default method in URLConnection.
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public OutputStream getOutputStream() throws IOException
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{
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if (! doOutput)
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throw new
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ProtocolException("Can't open OutputStream if doOutput is false");
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if (!connected)
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connect();
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return outputStream;
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}
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// Override default method in URLConnection.
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public String getHeaderField(String name)
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{
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try
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{
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getHeaders();
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}
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catch (IOException x)
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{
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return null;
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}
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return (String) hdrHash.get(name.toLowerCase());
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}
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// Override default method in URLConnection.
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public Map getHeaderFields()
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{
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try
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{
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getHeaders();
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}
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catch (IOException x)
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{
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return null;
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}
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return hdrHash;
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}
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// Override default method in URLConnection.
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public String getHeaderField(int n)
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{
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try
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{
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getHeaders();
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}
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catch (IOException x)
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{
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return null;
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}
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if (n < hdrVec.size())
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return getField ((String) hdrVec.elementAt(n));
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return null;
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}
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// Override default method in URLConnection.
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public String getHeaderFieldKey(int n)
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{
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try
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{
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getHeaders();
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}
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catch (IOException x)
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{
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return null;
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}
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if (n < hdrVec.size())
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return getKey ((String) hdrVec.elementAt(n));
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return null;
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}
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private String getKey(String str)
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{
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if (str == null)
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return null;
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int index = str.indexOf(':');
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if (index >= 0)
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return str.substring(0, index);
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else
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return null;
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}
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private String getField(String str)
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{
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if (str == null)
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return null;
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int index = str.indexOf(':');
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if (index >= 0)
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return str.substring(index + 1).trim();
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else
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return str;
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}
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private void getHeaders() throws IOException
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{
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if (gotHeaders)
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return;
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gotHeaders = true;
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connect();
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// Yes, it is overkill to use the hash table and vector here since
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// we're only putting one header in the file, but in case we need
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// to add others later and for consistency, we'll implement it this way.
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// Add the only header we know about right now: Content-length.
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long len = fileIn.length();
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String line = "Content-length: " + len;
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hdrVec.addElement(line);
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// The key will never be null in this scenario since we build up the
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// headers ourselves. If we ever rely on getting a header from somewhere
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// else, then we may have to check if the result of getKey() is null.
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String key = getKey(line);
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hdrHash.put(key.toLowerCase(), Long.toString(len));
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}
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}
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@@ -0,0 +1,53 @@
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// Handler.java - URLStreamHandler for file protocol.
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/* Copyright (C) 1999, 2000 Free Software Foundation
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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 gnu.java.net.protocol.file;
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import java.io.IOException;
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import java.net.URL;
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import java.net.URLConnection;
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import java.net.URLStreamHandler;
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/**
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* @author Warren Levy <warrenl@cygnus.com>
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* @date April 13, 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: Minimal functionality.
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*/
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public class Handler extends URLStreamHandler
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{
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protected URLConnection openConnection(URL url) throws IOException
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{
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// If a hostname is set, then we need to switch protocols to ftp
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// in order to transfer this from the remote host.
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String host = url.getHost();
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if ((host != null) && (! host.equals("")))
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{
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throw new IOException("ftp protocol handler not yet implemented.");
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/*
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// Reset the protocol (and implicitly the handler) for this URL.
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// Then have the URL attempt the connection again, as it will
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// get the changed handler the next time around.
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setURL (url, "ftp", url.getHost(), url.getPort(), url.getFile(),
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url.getRef());
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// Until the ftp protocol handler is written, this will cause
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// a NullPointerException.
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return url.openConnection();
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*/
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}
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return new Connection(url);
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}
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}
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