--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/share/classes/javax/swing/ScrollPaneConstants.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package javax.swing;
+
+
+/**
+ * Constants used with the JScrollPane component.
+ *
+ * @author Hans Muller
+ * @since 1.2
+ */
+public interface ScrollPaneConstants
+{
+    /**
+     * Identifies a "viewport" or display area, within which
+     * scrolled contents are visible.
+     */
+    String VIEWPORT = "VIEWPORT";
+    /** Identifies a vertical scrollbar. */
+    String VERTICAL_SCROLLBAR = "VERTICAL_SCROLLBAR";
+    /** Identifies a horizontal scrollbar. */
+    String HORIZONTAL_SCROLLBAR = "HORIZONTAL_SCROLLBAR";
+    /**
+     * Identifies the area along the left side of the viewport between the
+     * upper left corner and the lower left corner.
+     */
+    String ROW_HEADER = "ROW_HEADER";
+    /**
+     * Identifies the area at the top the viewport between the
+     * upper left corner and the upper right corner.
+     */
+    String COLUMN_HEADER = "COLUMN_HEADER";
+    /** Identifies the lower left corner of the viewport. */
+    String LOWER_LEFT_CORNER = "LOWER_LEFT_CORNER";
+    /** Identifies the lower right corner of the viewport. */
+    String LOWER_RIGHT_CORNER = "LOWER_RIGHT_CORNER";
+    /** Identifies the upper left corner of the viewport. */
+    String UPPER_LEFT_CORNER = "UPPER_LEFT_CORNER";
+    /** Identifies the upper right corner of the viewport. */
+    String UPPER_RIGHT_CORNER = "UPPER_RIGHT_CORNER";
+
+    /** Identifies the lower leading edge corner of the viewport. The leading edge
+     * is determined relative to the Scroll Pane's ComponentOrientation property.
+     */
+    String LOWER_LEADING_CORNER = "LOWER_LEADING_CORNER";
+    /** Identifies the lower trailing edge corner of the viewport. The trailing edge
+     * is determined relative to the Scroll Pane's ComponentOrientation property.
+     */
+    String LOWER_TRAILING_CORNER = "LOWER_TRAILING_CORNER";
+    /** Identifies the upper leading edge corner of the viewport.  The leading edge
+     * is determined relative to the Scroll Pane's ComponentOrientation property.
+     */
+    String UPPER_LEADING_CORNER = "UPPER_LEADING_CORNER";
+    /** Identifies the upper trailing edge corner of the viewport. The trailing edge
+     * is determined relative to the Scroll Pane's ComponentOrientation property.
+     */
+    String UPPER_TRAILING_CORNER = "UPPER_TRAILING_CORNER";
+
+    /** Identifies the vertical scroll bar policy property. */
+    String VERTICAL_SCROLLBAR_POLICY = "VERTICAL_SCROLLBAR_POLICY";
+    /** Identifies the horizontal scroll bar policy property. */
+    String HORIZONTAL_SCROLLBAR_POLICY = "HORIZONTAL_SCROLLBAR_POLICY";
+
+    /**
+     * Used to set the vertical scroll bar policy so that
+     * vertical scrollbars are displayed only when needed.
+     */
+    int VERTICAL_SCROLLBAR_AS_NEEDED = 20;
+    /**
+     * Used to set the vertical scroll bar policy so that
+     * vertical scrollbars are never displayed.
+     */
+    int VERTICAL_SCROLLBAR_NEVER = 21;
+    /**
+     * Used to set the vertical scroll bar policy so that
+     * vertical scrollbars are always displayed.
+     */
+    int VERTICAL_SCROLLBAR_ALWAYS = 22;
+
+    /**
+     * Used to set the horizontal scroll bar policy so that
+     * horizontal scrollbars are displayed only when needed.
+     */
+    int HORIZONTAL_SCROLLBAR_AS_NEEDED = 30;
+    /**
+     * Used to set the horizontal scroll bar policy so that
+     * horizontal scrollbars are never displayed.
+     */
+    int HORIZONTAL_SCROLLBAR_NEVER = 31;
+    /**
+     * Used to set the horizontal scroll bar policy so that
+     * horizontal scrollbars are always displayed.
+     */
+    int HORIZONTAL_SCROLLBAR_ALWAYS = 32;
+}