1 files changed, 71 insertions, 0 deletions
diff --git a/libjava/gnu/gcj/runtime/BootClassLoader.java b/libjava/gnu/gcj/runtime/BootClassLoader.java
new file mode 100644
index 00000000000..d2091720a4f
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+++ b/libjava/gnu/gcj/runtime/BootClassLoader.java
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+/* Copyright (C) 2005  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.URL;
+import java.util.Enumeration;
+
+/**
+ * This is a helper for the bootstrap class loader.  It is a
+ * URLClassLoader so that we can read a class path and re-use all the
+ * existing code for finding classes, extracting them from jars, etc.
+ * However, it is never called the way that an ordinary ClassLoader is
+ * called.  For instance, loadClass() is never used.
+ */
+public final class BootClassLoader extends HelperClassLoader
+{
+  BootClassLoader(String libdir)
+  {
+    addDirectoriesFromProperty("java.endorsed.dirs");
+    addDirectoriesFromProperty("gnu.gcj.runtime.endorsed.dirs");
+
+    try
+      {
+	// Add core:/ to the end so any resources compiled into this
+	// executable may be found.
+	addURL(new URL("core", "", -1, "/"));
+      }
+    catch (java.net.MalformedURLException x)
+      {
+	// This should never happen.
+	throw new RuntimeException(x);
+      }
+  }
+
+  public Class bootLoadClass(String name)
+    throws ClassNotFoundException
+  {
+    Class c = findLoadedClass(name);
+    if (c == null)
+      {
+	try
+	  {
+	    // We could hack URLClassLoader to make this more
+	    // efficient, if it mattered.
+	    c = findClass(name);
+	  }
+	catch (ClassNotFoundException _)
+	  {
+	    c = null;
+	  }
+      }
+    return c;
+  }
+
+  public URL bootGetResource(String name)
+  {
+    return findResource(name);
+  }
+
+  public Enumeration bootGetResources(String name) throws IOException
+  {
+    return findResources(name);
+  }
+}