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JDK 17 java.base.jmod - Base Module
JDK 17 java.base.jmod is the JMOD file for JDK 17 Base module.
JDK 17 Base module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.base.jmod.
JDK 17 Base module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Base module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.base.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ jdk/internal/module/Resources.java
/* * Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package jdk.internal.module; import java.io.File; import java.io.IOException; import java.nio.file.FileSystem; import java.nio.file.Files; import java.nio.file.NoSuchFileException; import java.nio.file.Path; import java.nio.file.attribute.BasicFileAttributes; /** * A helper class to support working with resources in modules. Also provides * support for translating resource names to file paths. */ public final class Resources { private Resources() { } /** * Return true if a resource can be encapsulated. Resource with names * ending in ".class" or "/" cannot be encapsulated. Resource names * that map to a legal package name can be encapsulated. */ public static boolean canEncapsulate(String name) { int len = name.length(); if (len > 6 && name.endsWith(".class")) { return false; } else { return Checks.isPackageName(toPackageName(name)); } } /** * Derive a <em>package name</em> for a resource. The package name * returned by this method may not be a legal package name. This method * returns null if the resource name ends with a "/" (a directory) * or the resource name does not contain a "/". */ public static String toPackageName(String name) { int index = name.lastIndexOf('/'); if (index == -1 || index == name.length()-1) { return ""; } else { return name.substring(0, index).replace('/', '.'); } } /** * Returns a resource name corresponding to the relative file path * between {@code dir} and {@code file}. If the file is a directory * then the name will end with a "/", except the top-level directory * where the empty string is returned. */ public static String toResourceName(Path dir, Path file) { String s = dir.relativize(file) .toString() .replace(File.separatorChar, '/'); if (!s.isEmpty() && Files.isDirectory(file)) s += "/"; return s; } /** * Returns a file path to a resource in a file tree. If the resource * name has a trailing "/" then the file path will locate a directory. * Returns {@code null} if the resource does not map to a file in the * tree file. */ public static Path toFilePath(Path dir, String name) throws IOException { boolean expectDirectory = name.endsWith("/"); if (expectDirectory) { name = name.substring(0, name.length() - 1); // drop trailing "/" } Path path = toSafeFilePath(dir.getFileSystem(), name); if (path != null) { Path file = dir.resolve(path); try { BasicFileAttributes attrs; attrs = Files.readAttributes(file, BasicFileAttributes.class); if (attrs.isDirectory() || (!attrs.isDirectory() && !expectDirectory)) return file; } catch (NoSuchFileException ignore) { } } return null; } /** * Map a resource name to a "safe" file path. Returns {@code null} if * the resource name cannot be converted into a "safe" file path. * * Resource names with empty elements, or elements that are "." or ".." * are rejected, as are resource names that translates to a file path * with a root component. */ private static Path toSafeFilePath(FileSystem fs, String name) { // scan elements of resource name int next; int off = 0; while ((next = name.indexOf('/', off)) != -1) { int len = next - off; if (!mayTranslate(name, off, len)) { return null; } off = next + 1; } int rem = name.length() - off; if (!mayTranslate(name, off, rem)) { return null; } // convert to file path Path path; if (File.separatorChar == '/') { path = fs.getPath(name); } else { // not allowed to embed file separators if (name.contains(File.separator)) return null; path = fs.getPath(name.replace('/', File.separatorChar)); } // file path not allowed to have root component return (path.getRoot() == null) ? path : null; } /** * Returns {@code true} if the element in a resource name is a candidate * to translate to the element of a file path. */ private static boolean mayTranslate(String name, int off, int len) { if (len <= 2) { if (len == 0) return false; boolean starsWithDot = (name.charAt(off) == '.'); if (len == 1 && starsWithDot) return false; if (len == 2 && starsWithDot && (name.charAt(off+1) == '.')) return false; } return true; } }
⏎ jdk/internal/module/Resources.java
Or download all of them as a single archive file:
File name: java.base-17.0.5-src.zip File size: 8883851 bytes Release date: 2022-09-13 Download
2023-09-26, 69010👍, 1💬
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