JBR-6604 supported case when fonts directory is missing

src/java.desktop/share/classes/sun/font/SunFontManager.java

@@ -265,6 +265,13 @@ public abstract class SunFontManager implements FontSupport, FontManagerForSGE {
      */
     private static int maxSoftRefCnt = 10;
 
+    protected boolean JREFontsDirExists(String path) {
+        @SuppressWarnings("removal")
+        boolean dirExist = AccessController.doPrivileged((PrivilegedAction<Boolean>) () ->
+            new File(path).isDirectory());
+        return dirExist;
+    }
+
     private void initJREFontMap() {
 
         /* Key is familyname+style value as an int.
@@ -278,10 +285,12 @@ public abstract class SunFontManager implements FontSupport, FontManagerForSGE {
          * are rarely used. Consider removing the other mappings if there's
          * no evidence they are useful in practice.
          */
-        @SuppressWarnings("removal")
-        String[] files = AccessController.doPrivileged((PrivilegedAction<String[]>) () ->
-                        new File(jreFontDirName).list(getTrueTypeFilter()));
-        Collections.addAll(jreBundledFontFiles, files);
+        if (JREFontsDirExists(jreFontDirName)) {
+            @SuppressWarnings("removal")
+            String[] files = AccessController.doPrivileged((PrivilegedAction<String[]>) () ->
+                    new File(jreFontDirName).list(getTrueTypeFilter()));
+            Collections.addAll(jreBundledFontFiles, files);
+        }
 
         jreFamilyMap.put("Roboto-Light", "Roboto Light");
         jreFamilyMap.put("Roboto-Thin", "Roboto Thin");
@@ -319,14 +328,6 @@ public abstract class SunFontManager implements FontSupport, FontManagerForSGE {
         });
     }
 
-    /**
-     * If the module image layout changes the location of JDK fonts,
-     * this will be updated to reflect that.
-     */
-    public static final String getJDKFontDir() {
-        return jreFontDirName;
-    }
-
     public TrueTypeFont getEUDCFont() {
         // Overridden in Windows.
         return null;
@@ -804,6 +805,10 @@ public abstract class SunFontManager implements FontSupport, FontManagerForSGE {
     }
 
     protected synchronized void registerDeferredJREFonts(String jreDir) {
+        if (!JREFontsDirExists(jreDir)) {
+            return;
+        }
+
         for (FontRegistrationInfo info : deferredFontFiles.values()) {
             if (info.fontFilePath != null &&
                 info.fontFilePath.startsWith(jreDir)) {

src/java.desktop/share/classes/sun/font/lookup/JDKFontLookup.java

@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2016, 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 sun.font.lookup;
-
-import sun.font.SunFontManager;
-
-/**
- * Implementation-class accessed by other JDK modules to
- * locate the JDK-provided fonts.
- */
-public final class JDKFontLookup {
-
-    public static final String getJDKFontDir() {
-        return SunFontManager.getJDKFontDir();
-    }
-}

src/java.desktop/windows/classes/sun/awt/Win32FontManager.java

@@ -272,7 +272,9 @@ public final class Win32FontManager extends SunFontManager {
      */
     static String fontsForPrinting = null;
     protected void registerJREFontsWithPlatform(String pathName) {
-        fontsForPrinting = pathName;
+        if (JREFontsDirExists(pathName)) {
+            fontsForPrinting = pathName;
+        }
     }
 
     @SuppressWarnings("removal")