8194746: (fs) Add equivalents of Paths.get to Path interface

Copy Paths.get() methods to Path.get() methods and have former call latter

Reviewed-by: alanb, forax, chegar, psandoz

src/java.base/linux/classes/sun/nio/fs/LinuxFileSystemProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2018, 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
@@ -103,8 +103,8 @@ public class LinuxFileSystemProvider extends UnixFileSystemProvider {
     @Override
     FileTypeDetector getFileTypeDetector() {
         String userHome = GetPropertyAction.privilegedGetProperty("user.home");
-        Path userMimeTypes = Paths.get(userHome, ".mime.types");
+        Path userMimeTypes = Path.of(userHome, ".mime.types");
-        Path etcMimeTypes = Paths.get("/etc/mime.types");
+        Path etcMimeTypes = Path.of("/etc/mime.types");
 
         return chain(new MimeTypesFileTypeDetector(userMimeTypes),
                      new MimeTypesFileTypeDetector(etcMimeTypes));

src/java.base/macosx/classes/sun/nio/fs/MacOSXFileSystemProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2018, 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
@@ -26,7 +26,6 @@
 package sun.nio.fs;
 
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.nio.file.spi.FileTypeDetector;
 import sun.security.action.GetPropertyAction;
 
@@ -46,7 +45,7 @@ public class MacOSXFileSystemProvider extends BsdFileSystemProvider {
 
     @Override
     FileTypeDetector getFileTypeDetector() {
-        Path userMimeTypes = Paths.get(GetPropertyAction
+        Path userMimeTypes = Path.of(GetPropertyAction
                 .privilegedGetProperty("user.home"), ".mime.types");
 
         return chain(new MimeTypesFileTypeDetector(userMimeTypes),

src/java.base/share/classes/java/lang/invoke/ProxyClassesDumper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, 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
@@ -30,7 +30,6 @@ import java.io.FilePermission;
 import java.nio.file.Files;
 import java.nio.file.InvalidPathException;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
 import java.util.Objects;
@@ -63,7 +62,7 @@ final class ProxyClassesDumper {
         }
         try {
             path = path.trim();
-            final Path dir = Paths.get(path.length() == 0 ? "." : path);
+            final Path dir = Path.of(path.length() == 0 ? "." : path);
             AccessController.doPrivileged(new PrivilegedAction<>() {
                     @Override
                     public Void run() {

src/java.base/share/classes/java/lang/reflect/ProxyGenerator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2018, 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
@@ -34,7 +34,6 @@ import java.lang.reflect.Array;
 import java.lang.reflect.Method;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedList;
@@ -346,11 +345,11 @@ class ProxyGenerator {
                         int i = name.lastIndexOf('.');
                         Path path;
                         if (i > 0) {
-                            Path dir = Paths.get(name.substring(0, i).replace('.', File.separatorChar));
+                            Path dir = Path.of(name.substring(0, i).replace('.', File.separatorChar));
                             Files.createDirectories(dir);
                             path = dir.resolve(name.substring(i+1, name.length()) + ".class");
                         } else {
-                            path = Paths.get(name + ".class");
+                            path = Path.of(name + ".class");
                         }
                         Files.write(path, classFile);
                         return null;

src/java.base/share/classes/java/nio/file/Path.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2018, 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
@@ -28,6 +28,7 @@ package java.nio.file;
 import java.io.File;
 import java.io.IOException;
 import java.net.URI;
+import java.nio.file.spi.FileSystemProvider;
 import java.util.Iterator;
 import java.util.NoSuchElementException;
 
@@ -93,12 +94,124 @@ import java.util.NoSuchElementException;
  * multiple concurrent threads.
  *
  * @since 1.7
- * @see Paths
  */
 
 public interface Path
     extends Comparable<Path>, Iterable<Path>, Watchable
 {
+    /**
+     * Returns a {@code Path} by converting a path string, or a sequence of
+     * strings that when joined form a path string. If {@code more} does not
+     * specify any elements then the value of the {@code first} parameter is
+     * the path string to convert. If {@code more} specifies one or more
+     * elements then each non-empty string, including {@code first}, is
+     * considered to be a sequence of name elements and is joined to form a
+     * path string. The details as to how the Strings are joined is provider
+     * specific but typically they will be joined using the
+     * {@link FileSystem#getSeparator name-separator} as the separator.
+     * For example, if the name separator is "{@code /}" and
+     * {@code getPath("/foo","bar","gus")} is invoked, then the path string
+     * {@code "/foo/bar/gus"} is converted to a {@code Path}. A {@code Path}
+     * representing an empty path is returned if {@code first} is the empty
+     * string and {@code more} does not contain any non-empty strings.
+     *
+     * <p> The {@code Path} is obtained by invoking the {@link FileSystem#getPath
+     * getPath} method of the {@link FileSystems#getDefault default} {@link
+     * FileSystem}.
+     *
+     * <p> Note that while this method is very convenient, using it will imply
+     * an assumed reference to the default {@code FileSystem} and limit the
+     * utility of the calling code. Hence it should not be used in library code
+     * intended for flexible reuse. A more flexible alternative is to use an
+     * existing {@code Path} instance as an anchor, such as:
+     * <pre>{@code
+     *     Path dir = ...
+     *     Path path = dir.resolve("file");
+     * }</pre>
+     *
+     * @param   first
+     *          the path string or initial part of the path string
+     * @param   more
+     *          additional strings to be joined to form the path string
+     *
+     * @return  the resulting {@code Path}
+     *
+     * @throws  InvalidPathException
+     *          if the path string cannot be converted to a {@code Path}
+     *
+     * @see FileSystem#getPath
+     *
+     * @since 11
+     */
+    public static Path of(String first, String... more) {
+        return FileSystems.getDefault().getPath(first, more);
+    }
+
+    /**
+     * Returns a {@code Path} by converting a URI.
+     *
+     * <p> This method iterates over the {@link FileSystemProvider#installedProviders()
+     * installed} providers to locate the provider that is identified by the
+     * URI {@link URI#getScheme scheme} of the given URI. URI schemes are
+     * compared without regard to case. If the provider is found then its {@link
+     * FileSystemProvider#getPath getPath} method is invoked to convert the
+     * URI.
+     *
+     * <p> In the case of the default provider, identified by the URI scheme
+     * "file", the given URI has a non-empty path component, and undefined query
+     * and fragment components. Whether the authority component may be present
+     * is platform specific. The returned {@code Path} is associated with the
+     * {@link FileSystems#getDefault default} file system.
+     *
+     * <p> The default provider provides a similar <em>round-trip</em> guarantee
+     * to the {@link java.io.File} class. For a given {@code Path} <i>p</i> it
+     * is guaranteed that
+     * <blockquote>{@code
+     * Path.of(}<i>p</i>{@code .}{@link Path#toUri() toUri}{@code ()).equals(}
+     * <i>p</i>{@code .}{@link Path#toAbsolutePath() toAbsolutePath}{@code ())}
+     * </blockquote>
+     * so long as the original {@code Path}, the {@code URI}, and the new {@code
+     * Path} are all created in (possibly different invocations of) the same
+     * Java virtual machine. Whether other providers make any guarantees is
+     * provider specific and therefore unspecified.
+     *
+     * @param   uri
+     *          the URI to convert
+     *
+     * @return  the resulting {@code Path}
+     *
+     * @throws  IllegalArgumentException
+     *          if preconditions on the {@code uri} parameter do not hold. The
+     *          format of the URI is provider specific.
+     * @throws  FileSystemNotFoundException
+     *          The file system, identified by the URI, does not exist and
+     *          cannot be created automatically, or the provider identified by
+     *          the URI's scheme component is not installed
+     * @throws  SecurityException
+     *          if a security manager is installed and it denies an unspecified
+     *          permission to access the file system
+     *
+     * @since 11
+     */
+    public static Path of(URI uri) {
+        String scheme =  uri.getScheme();
+        if (scheme == null)
+            throw new IllegalArgumentException("Missing scheme");
+
+        // check for default provider to avoid loading of installed providers
+        if (scheme.equalsIgnoreCase("file"))
+            return FileSystems.getDefault().provider().getPath(uri);
+
+        // try to find provider
+        for (FileSystemProvider provider: FileSystemProvider.installedProviders()) {
+            if (provider.getScheme().equalsIgnoreCase(scheme)) {
+                return provider.getPath(uri);
+            }
+        }
+
+        throw new FileSystemNotFoundException("Provider \"" + scheme + "\" not installed");
+    }
+
     /**
      * Returns the file system that created this object.
      *
@@ -527,7 +640,7 @@ public interface Path
      * to the {@link java.io.File} class. For a given {@code Path} <i>p</i> it
      * is guaranteed that
      * <blockquote>
-     * {@link Paths#get(URI) Paths.get}{@code (}<i>p</i>{@code .toUri()).equals(}<i>p</i>
+     * {@link Path#of(URI) Path.of}{@code (}<i>p</i>{@code .toUri()).equals(}<i>p</i>
      * {@code .}{@link #toAbsolutePath() toAbsolutePath}{@code ())}
      * </blockquote>
      * so long as the original {@code Path}, the {@code URI}, and the new {@code

src/java.base/share/classes/java/nio/file/Paths.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2018, 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
@@ -32,7 +32,13 @@ import java.net.URI;
  * This class consists exclusively of static methods that return a {@link Path}
  * by converting a path string or {@link URI}.
  *
+ * @apiNote
+ * It is recommended to obtain a {@code Path} via the {@code Path.of} methods
+ * instead of via the {@code get} methods defined in this class as this class
+ * may be deprecated in a future release.
+ *
  * @since 1.7
+ * @see Path
  */
 
 public final class Paths {
@@ -40,33 +46,11 @@ public final class Paths {
 
     /**
      * Converts a path string, or a sequence of strings that when joined form
-     * a path string, to a {@code Path}. If {@code more} does not specify any
+     * a path string, to a {@code Path}.
-     * elements then the value of the {@code first} parameter is the path string
-     * to convert. If {@code more} specifies one or more elements then each
-     * non-empty string, including {@code first}, is considered to be a sequence
-     * of name elements (see {@link Path}) and is joined to form a path string.
-     * The details as to how the Strings are joined is provider specific but
-     * typically they will be joined using the {@link FileSystem#getSeparator
-     * name-separator} as the separator. For example, if the name separator is
-     * "{@code /}" and {@code getPath("/foo","bar","gus")} is invoked, then the
-     * path string {@code "/foo/bar/gus"} is converted to a {@code Path}.
-     * A {@code Path} representing an empty path is returned if {@code first}
-     * is the empty string and {@code more} does not contain any non-empty
-     * strings.
      *
-     * <p> The {@code Path} is obtained by invoking the {@link FileSystem#getPath
+     * @implSpec
-     * getPath} method of the {@link FileSystems#getDefault default} {@link
+     * This method simply invokes {@link Path#of(String,String...)
-     * FileSystem}.
+     * Path.of(String, String...)} with the given parameters.
-     *
-     * <p> Note that while this method is very convenient, using it will imply
-     * an assumed reference to the default {@code FileSystem} and limit the
-     * utility of the calling code. Hence it should not be used in library code
-     * intended for flexible reuse. A more flexible alternative is to use an
-     * existing {@code Path} instance as an anchor, such as:
-     * <pre>
-     *     Path dir = ...
-     *     Path path = dir.resolve("file");
-     * </pre>
      *
      * @param   first
      *          the path string or initial part of the path string
@@ -79,38 +63,17 @@ public final class Paths {
      *          if the path string cannot be converted to a {@code Path}
      *
      * @see FileSystem#getPath
+     * @see Path#of(String,String...)
      */
     public static Path get(String first, String... more) {
-        return FileSystems.getDefault().getPath(first, more);
+        return Path.of(first, more);
     }
 
     /**
      * Converts the given URI to a {@link Path} object.
      *
-     * <p> This method iterates over the {@link FileSystemProvider#installedProviders()
+     * @implSpec
-     * installed} providers to locate the provider that is identified by the
+     * This method simply invokes {@link Path#of(URI) * Path.of(URI)} with the given parameter.
-     * URI {@link URI#getScheme scheme} of the given URI. URI schemes are
-     * compared without regard to case. If the provider is found then its {@link
-     * FileSystemProvider#getPath getPath} method is invoked to convert the
-     * URI.
-     *
-     * <p> In the case of the default provider, identified by the URI scheme
-     * "file", the given URI has a non-empty path component, and undefined query
-     * and fragment components. Whether the authority component may be present
-     * is platform specific. The returned {@code Path} is associated with the
-     * {@link FileSystems#getDefault default} file system.
-     *
-     * <p> The default provider provides a similar <em>round-trip</em> guarantee
-     * to the {@link java.io.File} class. For a given {@code Path} <i>p</i> it
-     * is guaranteed that
-     * <blockquote>{@code
-     * Paths.get(}<i>p</i>{@code .}{@link Path#toUri() toUri}{@code ()).equals(}
-     * <i>p</i>{@code .}{@link Path#toAbsolutePath() toAbsolutePath}{@code ())}
-     * </blockquote>
-     * so long as the original {@code Path}, the {@code URI}, and the new {@code
-     * Path} are all created in (possibly different invocations of) the same
-     * Java virtual machine. Whether other providers make any guarantees is
-     * provider specific and therefore unspecified.
      *
      * @param   uri
      *          the URI to convert
@@ -127,23 +90,10 @@ public final class Paths {
      * @throws  SecurityException
      *          if a security manager is installed and it denies an unspecified
      *          permission to access the file system
+     *
+     * @see Path#of(URI)
      */
     public static Path get(URI uri) {
-        String scheme =  uri.getScheme();
+        return Path.of(uri);
-        if (scheme == null)
-            throw new IllegalArgumentException("Missing scheme");
-
-        // check for default provider to avoid loading of installed providers
-        if (scheme.equalsIgnoreCase("file"))
-            return FileSystems.getDefault().provider().getPath(uri);
-
-        // try to find provider
-        for (FileSystemProvider provider: FileSystemProvider.installedProviders()) {
-            if (provider.getScheme().equalsIgnoreCase(scheme)) {
-                return provider.getPath(uri);
-            }
-        }
-
-        throw new FileSystemNotFoundException("Provider \"" + scheme + "\" not installed");
     }
 }

src/java.base/share/classes/java/nio/file/TempFileHelper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2018, 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
@@ -46,7 +46,7 @@ class TempFileHelper {
 
     // temporary directory location
     private static final Path tmpdir =
-        Paths.get(GetPropertyAction.privilegedGetProperty("java.io.tmpdir"));
+        Path.of(GetPropertyAction.privilegedGetProperty("java.io.tmpdir"));
 
     private static final boolean isPosix =
         FileSystems.getDefault().supportedFileAttributeViews().contains("posix");

src/java.base/share/classes/java/util/Scanner.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2018, 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
@@ -2897,7 +2897,7 @@ public final class Scanner implements Iterator<String>, Closeable {
      * letters:
      *
      * <pre>{@code
-     * try (Scanner sc = new Scanner(Paths.get("input.txt"))) {
+     * try (Scanner sc = new Scanner(Path.of("input.txt"))) {
      *     Pattern pat = Pattern.compile("[A-Z]{7,}");
      *     List<String> capWords = sc.findAll(pat)
      *                               .map(MatchResult::group)

src/java.base/share/classes/jdk/internal/loader/BootLoader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2018, 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
@@ -32,7 +32,6 @@ import java.net.URI;
 import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
 import java.util.Arrays;
@@ -243,8 +242,8 @@ public class BootLoader {
                 mn = location.substring(5, location.length());
             } else if (location.startsWith("file:/")) {
                 // named module in exploded image
-                Path path = Paths.get(URI.create(location));
+                Path path = Path.of(URI.create(location));
-                Path modulesDir = Paths.get(JAVA_HOME, "modules");
+                Path modulesDir = Path.of(JAVA_HOME, "modules");
                 if (path.startsWith(modulesDir)) {
                     mn = path.getFileName().toString();
                 }
@@ -267,7 +266,7 @@ public class BootLoader {
         private static URL toFileURL(String location) {
             return AccessController.doPrivileged(new PrivilegedAction<>() {
                 public URL run() {
-                    Path path = Paths.get(location);
+                    Path path = Path.of(location);
                     if (Files.isRegularFile(path)) {
                         try {
                             return path.toUri().toURL();
@@ -285,7 +284,7 @@ public class BootLoader {
         private static Manifest getManifest(String location) {
             return AccessController.doPrivileged(new PrivilegedAction<>() {
                 public Manifest run() {
-                    Path jar = Paths.get(location);
+                    Path jar = Path.of(location);
                     try (InputStream in = Files.newInputStream(jar);
                          JarInputStream jis = new JarInputStream(in, false)) {
                         return jis.getManifest();

src/java.base/share/classes/jdk/internal/loader/ClassLoaders.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2018, 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
@@ -28,7 +28,7 @@ package jdk.internal.loader;
 import java.io.IOException;
 import java.net.URL;
 import java.nio.file.InvalidPathException;
-import java.nio.file.Paths;
+import java.nio.file.Path;
 import java.security.CodeSource;
 import java.security.PermissionCollection;
 import java.util.jar.Manifest;
@@ -223,7 +223,7 @@ public class ClassLoaders {
             // Use an intermediate File object to construct a URI/URL without
             // authority component as URLClassPath can't handle URLs with a UNC
             // server name in the authority component.
-            return Paths.get(s).toRealPath().toFile().toURI().toURL();
+            return Path.of(s).toRealPath().toFile().toURI().toURL();
         } catch (InvalidPathException | IOException ignore) {
             // malformed path string or class path element does not exist
             return null;

src/java.base/share/classes/jdk/internal/module/ModuleBootstrap.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2018, 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
@@ -34,7 +34,6 @@ import java.lang.module.ModuleReference;
 import java.lang.module.ResolvedModule;
 import java.net.URI;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -539,7 +538,7 @@ public final class ModuleBootstrap {
             Path[] paths = new Path[dirs.length];
             int i = 0;
             for (String dir: dirs) {
-                paths[i++] = Paths.get(dir);
+                paths[i++] = Path.of(dir);
             }
             return ModulePath.of(patcher, paths);
         }

src/java.base/share/classes/jdk/internal/module/ModuleHashesBuilder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2018, 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
@@ -30,7 +30,6 @@ import java.lang.module.Configuration;
 import java.lang.module.ResolvedModule;
 import java.net.URI;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.ArrayDeque;
 import java.util.Collections;
 import java.util.Deque;
@@ -129,7 +128,7 @@ public class ModuleHashesBuilder {
             () -> new InternalError("Selected module " + name + " not on module path"));
 
         URI uri = rm.reference().location().get();
-        Path path = Paths.get(uri);
+        Path path = Path.of(uri);
         String fn = path.getFileName().toString();
         if (!fn.endsWith(".jar") && !fn.endsWith(".jmod")) {
             throw new UnsupportedOperationException(path + " is not a modular JAR or jmod file");

src/java.base/share/classes/jdk/internal/module/ModulePath.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2018, 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
@@ -43,7 +43,6 @@ import java.nio.file.DirectoryStream;
 import java.nio.file.Files;
 import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -360,7 +359,7 @@ public class ModulePath implements ModuleFinder {
         URI uri = mref.location().orElse(null);
         if (uri != null) {
             if (uri.getScheme().equalsIgnoreCase("file")) {
-                Path file = Paths.get(uri);
+                Path file = Path.of(uri);
                 return file.getFileName().toString();
             } else {
                 return uri.toString();

src/java.base/share/classes/jdk/internal/module/SystemModuleFinders.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2018, 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
@@ -38,7 +38,6 @@ import java.net.URLConnection;
 import java.nio.ByteBuffer;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
 import java.util.ArrayDeque;
@@ -185,7 +184,7 @@ public final class SystemModuleFinders {
 
         // probe to see if this is an images build
         String home = System.getProperty("java.home");
-        Path modules = Paths.get(home, "lib", "modules");
+        Path modules = Path.of(home, "lib", "modules");
         if (Files.isRegularFile(modules)) {
             if (USE_FAST_PATH) {
                 SystemModules systemModules = allSystemModules();
@@ -205,7 +204,7 @@ public final class SystemModuleFinders {
         }
 
         // exploded build (do not cache module finder)
-        Path dir = Paths.get(home, "modules");
+        Path dir = Path.of(home, "modules");
         if (!Files.isDirectory(dir))
             throw new InternalError("Unable to detect the run-time image");
         ModuleFinder f = ModulePath.of(ModuleBootstrap.patcher(), dir);

src/java.base/share/classes/sun/security/provider/PolicyFile.java

@@ -30,7 +30,7 @@ import java.lang.reflect.*;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URI;
-import java.nio.file.Paths;
+import java.nio.file.Path;
 import java.util.*;
 import java.security.*;
 import java.security.cert.Certificate;
@@ -278,7 +278,7 @@ public class PolicyFile extends java.security.Policy {
             public URL run() {
                 String sep = File.separator;
                 try {
-                    return Paths.get(System.getProperty("java.home"),
+                    return Path.of(System.getProperty("java.home"),
                                      "lib", "security",
                                      "default.policy").toUri().toURL();
                 } catch (MalformedURLException mue) {

src/java.base/share/classes/sun/security/tools/keytool/Main.java

@@ -27,7 +27,7 @@ package sun.security.tools.keytool;
 
 import java.io.*;
 import java.nio.file.Files;
-import java.nio.file.Paths;
+import java.nio.file.Path;
 import java.security.CodeSigner;
 import java.security.CryptoPrimitive;
 import java.security.KeyStore;
@@ -2189,7 +2189,7 @@ public final class Main {
                 inplaceBackupName = srcksfname + ".old" + (n == 1 ? "" : n);
                 File bkFile = new File(inplaceBackupName);
                 if (!bkFile.exists()) {
-                    Files.copy(Paths.get(srcksfname), bkFile.toPath());
+                    Files.copy(Path.of(srcksfname), bkFile.toPath());
                     break;
                 }
             }

src/java.base/solaris/classes/sun/nio/fs/SolarisFileSystemProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2018, 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
@@ -84,9 +84,9 @@ public class SolarisFileSystemProvider extends UnixFileSystemProvider {
 
     @Override
     FileTypeDetector getFileTypeDetector() {
-        Path userMimeTypes = Paths.get(
+        Path userMimeTypes = Path.of(
             GetPropertyAction.privilegedGetProperty("user.home"), ".mime.types");
-        Path etcMimeTypes = Paths.get("/etc/mime.types");
+        Path etcMimeTypes = Path.of("/etc/mime.types");
 
         return chain(new MimeTypesFileTypeDetector(userMimeTypes),
                      new MimeTypesFileTypeDetector(etcMimeTypes));

src/java.base/unix/classes/sun/nio/fs/UnixFileStore.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2018, 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
@@ -260,7 +260,7 @@ abstract class UnixFileStore
     private static Properties loadProperties() {
         Properties result = new Properties();
         String fstypes = System.getProperty("java.home") + "/lib/fstypes.properties";
-        Path file = Paths.get(fstypes);
+        Path file = Path.of(fstypes);
         try {
             try (ReadableByteChannel rbc = Files.newByteChannel(file)) {
                 result.load(Channels.newReader(rbc, "UTF-8"));