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 core protocol.
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/* Copyright (C) 2001, 2003 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.core;
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import gnu.gcj.Core;
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import java.io.InputStream;
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import java.io.IOException;
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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 Anthony Green <green@redhat.com>
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* @date August 13, 2001
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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 Core core;
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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 opened.
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core = Core.create (url.getFile());
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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 (!connected)
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connect();
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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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return new CoreInputStream (core);
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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 = core.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 +1,90 @@
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// Handler.java - URLStreamHandler for core protocol.
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/* Copyright (C) 2001 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.core;
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import gnu.gcj.Core;
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import gnu.gcj.RawData;
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import java.io.InputStream;
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import java.io.IOException;
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public class CoreInputStream extends InputStream
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{
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/* A pointer to the object in memory. */
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protected RawData ptr;
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/* Position of the next byte in core to be read. */
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protected int pos;
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/* The currently marked position in the stream. */
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protected int mark;
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/* The index in core one greater than the last valid character. */
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protected int count;
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private native int unsafeGetByte (long offset);
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private native int copyIntoByteArray (byte[] dest, int offset, int numBytes);
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public CoreInputStream (Core core)
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{
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ptr = core.ptr;
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count = core.length;
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}
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public synchronized int available()
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{
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return count - pos;
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}
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public synchronized void mark(int readAheadLimit)
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{
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// readAheadLimit is ignored per Java Class Lib. book, p.220.
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mark = pos;
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}
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public boolean markSupported()
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{
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return true;
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}
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public synchronized int read()
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{
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if (pos < count)
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return ((int) unsafeGetByte(pos++)) & 0xFF;
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return -1;
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}
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public synchronized int read(byte[] b, int off, int len)
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{
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if (pos >= count)
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return -1;
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int numBytes = Math.min(count - pos, len);
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copyIntoByteArray (b, off, numBytes);
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pos += numBytes;
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return numBytes;
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}
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public synchronized void reset()
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{
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pos = mark;
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}
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public synchronized long skip(long n)
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{
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// Even though the var numBytes is a long, in reality it can never
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// be larger than an int since the result of subtracting 2 positive
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// ints will always fit in an int. Since we have to return a long
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// anyway, numBytes might as well just be a long.
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long numBytes = Math.min ((long) (count - pos), n < 0 ? 0L : n);
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pos += numBytes;
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return numBytes;
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}
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}
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@@ -0,0 +1,28 @@
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// Handler.java - URLStreamHandler for core protocol.
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/* Copyright (C) 2001 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.core;
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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 Anthony Green <green@redhat.com>
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* @date August 13, 2001.
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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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return new Connection(url);
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}
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}
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@@ -0,0 +1,51 @@
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// natCoreInputStream.cc -- C++ side of CoreInputStream
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/* Copyright (C) 2001 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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/* Author: Anthony Green <green@redhat.com>. */
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#include <config.h>
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#include <gcj/cni.h>
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#include <jvm.h>
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#include <string.h>
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#include <java/lang/NullPointerException.h>
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#include <java/lang/ArrayIndexOutOfBoundsException.h>
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#include <gnu/java/net/protocol/core/CoreInputStream.h>
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jint
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gnu::java::net::protocol::core::CoreInputStream::unsafeGetByte (jlong offset)
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{
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return ((char*) ptr) [offset];
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}
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jint
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gnu::java::net::protocol::core::CoreInputStream::copyIntoByteArray (jbyteArray dest,
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jint offset,
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jint numBytes)
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{
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if (!dest)
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throw new ::java::lang::NullPointerException;
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jsize destSize = JvGetArrayLength (dest);
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if (offset < 0 || numBytes < 0 || offset + numBytes < 0
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|| offset + numBytes > destSize
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|| pos + numBytes > count)
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throw new ::java::lang::ArrayIndexOutOfBoundsException;
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void *pcore = (void *) &((char*) ptr) [pos];
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void *pdest = (void *) (elements (dest) + offset);
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memcpy (pdest, pcore, numBytes);
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return 0;
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}
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