--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.jpackage/windows/classes/jdk/jpackage/internal/WixTool.java	Fri Oct 18 14:14:37 2019 -0400
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2019, 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 jdk.jpackage.internal;
+
+import java.io.IOException;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.PathMatcher;
+import java.text.MessageFormat;
+import java.util.*;
+import java.util.function.Supplier;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+/**
+ * WiX tool.
+ */
+public enum WixTool {
+    Candle, Light;
+
+    static final class ToolInfo {
+        ToolInfo(Path path, String version) {
+            this.path = path;
+            this.version = new DottedVersion(version);
+        }
+
+        final Path path;
+        final DottedVersion version;
+    }
+
+    static Map<WixTool, ToolInfo> toolset() throws ConfigException {
+        Map<WixTool, ToolInfo> toolset = new HashMap<>();
+        for (var tool : values()) {
+            toolset.put(tool, tool.find());
+        }
+        return toolset;
+    }
+
+    ToolInfo find() throws ConfigException {
+        final Path toolFileName = IOUtils.addSuffix(
+                Path.of(name().toLowerCase()), ".exe");
+
+        String[] version = new String[1];
+        ConfigException reason = createToolValidator(toolFileName, version).get();
+        if (version[0] != null) {
+            if (reason == null) {
+                // Found in PATH.
+                return new ToolInfo(toolFileName, version[0]);
+            }
+
+            // Found in PATH, but something went wrong.
+            throw reason;
+        }
+
+        for (var dir : findWixInstallDirs()) {
+            Path path = dir.resolve(toolFileName);
+            if (path.toFile().exists()) {
+                reason = createToolValidator(path, version).get();
+                if (reason != null) {
+                    throw reason;
+                }
+                return new ToolInfo(path, version[0]);
+            }
+        }
+
+        throw reason;
+    }
+
+    private static Supplier<ConfigException> createToolValidator(Path toolPath,
+            String[] versionCtnr) {
+        return new ToolValidator(toolPath)
+                .setCommandLine("/?")
+                .setMinimalVersion(MINIMAL_VERSION)
+                .setToolNotFoundErrorHandler(
+                        (name, ex) -> new ConfigException(
+                                I18N.getString("error.no-wix-tools"),
+                                I18N.getString("error.no-wix-tools.advice")))
+                .setToolOldVersionErrorHandler(
+                        (name, version) -> new ConfigException(
+                                MessageFormat.format(I18N.getString(
+                                        "message.wrong-tool-version"), name,
+                                        version, MINIMAL_VERSION),
+                                I18N.getString("error.no-wix-tools.advice")))
+                .setVersionParser(output -> {
+                    versionCtnr[0] = "";
+                    String firstLineOfOutput = output.findFirst().orElse("");
+                    int separatorIdx = firstLineOfOutput.lastIndexOf(' ');
+                    if (separatorIdx == -1) {
+                        return null;
+                    }
+                    versionCtnr[0] = firstLineOfOutput.substring(separatorIdx + 1);
+                    return versionCtnr[0];
+                })::validate;
+    }
+
+    private final static String MINIMAL_VERSION = "3.0";
+
+    private final static Path PROGRAM_FILES = Path.of("C:\\Program Files");
+    private final static Path PROGRAM_FILES_X86 = Path.of("C:\\Program Files (x86)");
+
+    private static List<Path> findWixInstallDirs() {
+        PathMatcher wixInstallDirMatcher = FileSystems.getDefault().getPathMatcher(
+                "glob:WiX Toolset v*");
+
+        // Returns list of WiX install directories ordered by WiX version number.
+        // Newer versions go first.
+        return Stream.of(PROGRAM_FILES, PROGRAM_FILES_X86).map(path -> {
+            List<Path> result;
+            try (var paths = Files.walk(path, 1)) {
+                result = paths.collect(Collectors.toList());
+            } catch (IOException ex) {
+                Log.verbose(ex);
+                result = Collections.emptyList();
+            }
+            return result;
+        }).flatMap(List::stream)
+        .filter(path -> wixInstallDirMatcher.matches(path.getFileName()))
+        .sorted(Comparator.comparing(Path::getFileName).reversed())
+        .map(path -> path.resolve("bin"))
+        .collect(Collectors.toList());
+    }
+}