Jumbo patch:

* Imported beans and serialization
* Updated IA-64 port
* Miscellaneous bug fixes

From-SVN: r34028

libjava/java/beans/Visibility.java

@@ -0,0 +1,74 @@
+/* java.beans.Visibility
+   Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.beans;
+
+/**
+ * Visibility is an interface a Bean may implement so that the environment
+ * can tell the Bean whether there is a GUI or not, and so that the Bean
+ * can tell the environment whether it needs one or can run without one.
+ * <P>
+ *
+ * Sun decided not to use standard Introspection patterns so that these
+ * methods did not get included when the Introspector made its sweep on
+ * the class.
+ *
+ * @author John Keiser
+ * @since JDK1.1
+ * @version 1.1.0, 29 Jul 1998
+ */
+
+public interface Visibility {
+	/**
+	 * Tells whether the Bean can run without a GUI or not.
+	 * @return false if Bean can run without a GUI, else true.
+	 */
+	public abstract boolean needsGui();
+
+	/**
+	 * Tells whether Bean is trying not to use the GUI.
+	 * If needsGui() is true, this method should always return false.
+	 * @return true if definitely not using GUI, otherwise false.
+	 */
+	public abstract boolean avoidingGui();
+
+	/**
+	 * Tells the Bean not to use GUI methods.
+	 * If needsGUI() is false, then after this method is called,
+	 * avoidingGui() should return true.
+	 */
+	public abstract void dontUseGui();
+
+	/**
+	 * Tells the Bean it may use the GUI.
+	 * The Bean is not required to use the GUI in this case, it is
+	 * merely being <EM>permitted</EM> to use it.  If needsGui() is
+	 * false, avoidingGui() may return true or false after this method
+	 * is called.
+	 */
+	public abstract void okToUseGui();
+}