--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/classes/sun/awt/X11/XDragAndDropProtocols.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.awt.X11;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * This class is a registry for the supported drag and drop protocols.
+ *
+ * @since 1.5
+ */
+final class XDragAndDropProtocols {
+ private final static List dragProtocols;
+ private final static List dropProtocols;
+
+ public static final String XDnD = "XDnD";
+ public static final String MotifDnD = "MotifDnD";
+
+ static {
+ // Singleton listener for all drag source protocols.
+ XDragSourceProtocolListener dragSourceProtocolListener =
+ XDragSourceContextPeer.getXDragSourceProtocolListener();
+ // Singleton listener for all drop target protocols.
+ XDropTargetProtocolListener dropTargetProtocolListener =
+ XDropTargetContextPeer.getXDropTargetProtocolListener();
+
+ List tDragSourceProtocols = new ArrayList();
+ XDragSourceProtocol xdndDragSourceProtocol =
+ XDnDDragSourceProtocol.createInstance(dragSourceProtocolListener);
+ tDragSourceProtocols.add(xdndDragSourceProtocol);
+ XDragSourceProtocol motifdndDragSourceProtocol =
+ MotifDnDDragSourceProtocol.createInstance(dragSourceProtocolListener);
+ tDragSourceProtocols.add(motifdndDragSourceProtocol);
+
+ List tDropTargetProtocols = new ArrayList();
+ XDropTargetProtocol xdndDropTargetProtocol =
+ XDnDDropTargetProtocol.createInstance(dropTargetProtocolListener);
+ tDropTargetProtocols.add(xdndDropTargetProtocol);
+ XDropTargetProtocol motifdndDropTargetProtocol =
+ MotifDnDDropTargetProtocol.createInstance(dropTargetProtocolListener);
+ tDropTargetProtocols.add(motifdndDropTargetProtocol);
+
+ dragProtocols = Collections.unmodifiableList(tDragSourceProtocols);
+ dropProtocols = Collections.unmodifiableList(tDropTargetProtocols);
+ }
+
+ static Iterator getDragSourceProtocols() {
+ return dragProtocols.iterator();
+ }
+
+ static Iterator getDropTargetProtocols() {
+ return dropProtocols.iterator();
+ }
+
+ /*
+ * Returns a XDragSourceProtocol whose name equals to the specified string
+ * or null if no such protocol is registered.
+ */
+ public static XDragSourceProtocol getDragSourceProtocol(String name) {
+ // Protocol name cannot be null.
+ if (name == null) {
+ return null;
+ }
+
+ Iterator dragProtocols = XDragAndDropProtocols.getDragSourceProtocols();
+ while (dragProtocols.hasNext()) {
+ XDragSourceProtocol dragProtocol =
+ (XDragSourceProtocol)dragProtocols.next();
+ if (dragProtocol.getProtocolName().equals(name)) {
+ return dragProtocol;
+ }
+ }
+
+ return null;
+ }
+
+ /*
+ * Returns a XDropTargetProtocol which name equals to the specified string
+ * or null if no such protocol is registered.
+ */
+ public static XDropTargetProtocol getDropTargetProtocol(String name) {
+ // Protocol name cannot be null.
+ if (name == null) {
+ return null;
+ }
+
+ Iterator dropProtocols = XDragAndDropProtocols.getDropTargetProtocols();
+ while (dropProtocols.hasNext()) {
+ XDropTargetProtocol dropProtocol =
+ (XDropTargetProtocol)dropProtocols.next();
+ if (dropProtocol.getProtocolName().equals(name)) {
+ return dropProtocol;
+ }
+ }
+
+ return null;
+ }
+}