1 files changed, 79 insertions, 0 deletions
diff --git a/libjava/gnu/gcj/runtime/SharedLibLoader.java b/libjava/gnu/gcj/runtime/SharedLibLoader.java
new file mode 100644
index 000000000..b8e6a57de
--- /dev/null
+++ b/libjava/gnu/gcj/runtime/SharedLibLoader.java
@@ -0,0 +1,79 @@
+/* Copyright (C) 2001, 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.gcj.runtime;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.security.CodeSource;
+import java.util.Enumeration;
+import java.util.Vector;
+
+/**
+ * A ClassLoader backed by a gcj-compiled shared library.
+ * @author Per Bothner <per@bothner.com>, Brainfood Inc.
+ */
+
+public class SharedLibLoader extends ClassLoader
+{
+  /** Load a shared library, and associate a ClassLoader with it.
+   * @param libname named of shared library (passed to dlopen)
+   * @param parent the parent ClassLoader
+   * @parem flags passed to dlopen
+   */
+  public SharedLibLoader(String libname, ClassLoader parent, int flags)
+  {
+    super(parent);
+    URL url;
+    try
+      {
+	url = new URL("file", "", libname);
+      }
+    catch (MalformedURLException _)
+      {
+	url = null;
+      }
+    helper = SharedLibHelper.findHelper(this, libname,
+					new CodeSource(url, null), true);
+  }
+
+  /** Load a shared library, and asociate a ClassLoader with it.
+   * @param libname named of shared library (passed to dlopen)
+   */
+  public SharedLibLoader(String libname)
+  {
+    this(libname, getSystemClassLoader(), 0);
+  }
+
+  public Class findClass(String name)
+    throws ClassNotFoundException
+  {
+    Class cls = helper.findClass(name);
+    if (cls == null)
+      throw new ClassNotFoundException(name);
+    return cls;
+  }
+
+  public URL findResource (String name)
+  {
+    return helper.findResource(name);
+  }
+
+  public Enumeration findResources (String name) throws IOException
+  {
+    URL url = findResource(name);
+    if (url == null)
+      return null;
+    Vector v = new Vector(1);
+    v.add(url);
+    return v.elements();
+  }
+
+  /** The helper that does the work for us.  */
+  SharedLibHelper helper;
+}