1 files changed, 83 insertions, 0 deletions
diff --git a/libjava/gnu/java/net/protocol/gcjlib/Connection.java b/libjava/gnu/java/net/protocol/gcjlib/Connection.java
new file mode 100644
index 000000000..4e6e462f2
--- /dev/null
+++ b/libjava/gnu/java/net/protocol/gcjlib/Connection.java
@@ -0,0 +1,83 @@
+// Connection.java - Implementation of URLConnection for gcjlib
+// protocol.
+
+/* Copyright (C) 2003  Free Software Foundation
+
+   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 gnu.java.net.protocol.gcjlib;
+
+import java.io.InputStream;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+import gnu.gcj.Core;
+import gnu.gcj.runtime.SharedLibHelper;
+import gnu.java.net.protocol.core.CoreInputStream;
+
+/**
+ * @author Tom Tromey <tromey@redhat.com>
+ * @date January 10, 2003
+ */
+class Connection extends URLConnection
+{
+  String solib;
+  String name;
+  Core core;
+
+  public Connection (URL url) throws MalformedURLException
+  {
+    super (url);
+    int index = url.getFile().indexOf ("!/");
+    
+    if (index == -1)
+      throw new MalformedURLException ("couldn't find !/ in gcjlib URL");
+
+    name = url.getFile().substring (index + 2);
+    solib = url.getFile().substring (0, index);
+  }
+
+  public void connect() throws IOException
+  {
+    if (core != null)
+      return;
+    // We can't create a new SharedLibHelper here, since we don't know
+    // what parent class loader to use.
+    SharedLibHelper helper = SharedLibHelper.findHelper(solib);
+    if (helper == null)
+      throw new IOException("library not loaded: " + solib);
+    core = helper.findCore(name);
+    if (core == null)
+      throw new IOException("couldn't find core object: " + name);
+  }
+
+  public InputStream getInputStream() throws IOException
+  {
+    connect();
+    return new CoreInputStream(core);
+  }
+  
+  public String getHeaderField(String field)
+  {
+    try
+      {
+	if (!connected)
+	  connect();
+
+	if (field.equals("content-type"))
+          return guessContentTypeFromName(name);
+	else if (field.equals("content-length"))
+          return Long.toString(core.length);
+      }
+    catch (IOException e)
+      {
+        // Fall through.
+      }
+    return null;
+  }  
+}