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JDK 11 java.base.jmod - Base Module
JDK 11 java.base.jmod is the JMOD file for JDK 11 Base module.
JDK 11 Base module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.base.jmod.
JDK 11 Base module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.
JDK 11 Base module source code files are stored in \fyicenter\jdk-11.0.1\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/ModuleHashes.java
/* * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package jdk.internal.module; import java.io.IOException; import java.io.UncheckedIOException; import java.nio.ByteBuffer; import java.nio.channels.FileChannel; import java.nio.file.Path; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.Collections; import java.util.HashMap; import java.util.Map; import java.util.Objects; import java.util.Set; /** * The result of hashing the contents of a number of module artifacts. */ public final class ModuleHashes { /** * A supplier of a message digest. */ public static interface HashSupplier { byte[] generate(String algorithm); } private final String algorithm; private final Map<String, byte[]> nameToHash; /** * Creates a {@code ModuleHashes}. * * @param algorithm the algorithm used to create the hashes * @param nameToHash the map of module name to hash value */ public ModuleHashes(String algorithm, Map<String, byte[]> nameToHash) { this.algorithm = algorithm; this.nameToHash = Collections.unmodifiableMap(nameToHash); } /** * Returns the algorithm used to hash the modules ("SHA-256" for example). */ public String algorithm() { return algorithm; } /** * Returns the set of module names for which hashes are recorded. */ public Set<String> names() { return nameToHash.keySet(); } /** * Returns the hash for the given module name, {@code null} * if there is no hash recorded for the module. */ public byte[] hashFor(String mn) { return nameToHash.get(mn); } /** * Returns unmodifiable map of module name to hash */ public Map<String, byte[]> hashes() { return nameToHash; } /** * Computes the hash for the given file with the given message digest * algorithm. * * @throws UncheckedIOException if an I/O error occurs * @throws RuntimeException if the algorithm is not available */ public static byte[] computeHash(Path file, String algorithm) { try { MessageDigest md = MessageDigest.getInstance(algorithm); // Ideally we would just mmap the file but this consumes too much // memory when jlink is running concurrently on very large jmods try (FileChannel fc = FileChannel.open(file)) { ByteBuffer bb = ByteBuffer.allocate(32*1024); while (fc.read(bb) > 0) { bb.flip(); md.update(bb); assert bb.remaining() == 0; bb.clear(); } } return md.digest(); } catch (NoSuchAlgorithmException e) { throw new RuntimeException(e); } catch (IOException ioe) { throw new UncheckedIOException(ioe); } } /** * Computes the hash for every entry in the given map, returning a * {@code ModuleHashes} to encapsulate the result. The map key is * the entry name, typically the module name. The map value is the file * path to the entry (module artifact). * * @return ModuleHashes that encapsulates the hashes */ public static ModuleHashes generate(Map<String, Path> map, String algorithm) { Map<String, byte[]> nameToHash = new HashMap<>(); for (Map.Entry<String, Path> entry: map.entrySet()) { String name = entry.getKey(); Path path = entry.getValue(); nameToHash.put(name, computeHash(path, algorithm)); } return new ModuleHashes(algorithm, nameToHash); } /** * This is used by jdk.internal.module.SystemModules class * generated at link time. */ public static class Builder { final String algorithm; final Map<String, byte[]> nameToHash; Builder(String algorithm, int initialCapacity) { this.nameToHash = new HashMap<>(initialCapacity); this.algorithm = Objects.requireNonNull(algorithm); } /** * Sets the module hash for the given module name */ public Builder hashForModule(String mn, byte[] hash) { nameToHash.put(mn, hash); return this; } /** * Builds a {@code ModuleHashes}. */ public ModuleHashes build() { if (!nameToHash.isEmpty()) { return new ModuleHashes(algorithm, nameToHash); } else { return null; } } } }
⏎ jdk/internal/module/ModuleHashes.java
Or download all of them as a single archive file:
File name: java.base-11.0.1-src.zip File size: 8740354 bytes Release date: 2018-11-04 Download
2020-05-29, 207073👍, 0💬
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