JDK 17 jdk.compiler.jmod is the JMOD file for JDK 17 Compiler tool, which can be invoked by the "javac" command.

JDK 17 Compiler tool compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.compiler.jmod.

JDK 17 Compiler tool compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.

JDK 17 Compiler source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.compiler.

You can click and view the content of each source code file in the list below.

⏎ com/sun/tools/javac/file/CacheFSInfo.java

/*
 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package com.sun.tools.javac.file;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;

import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.Context.Factory;

/**
 * Caching implementation of FSInfo.
 *
 * <p><b>This is NOT part of any supported API.
 * If you write code that depends on this, you do so at your own risk.
 * This code and its internal interfaces are subject to change or
 * deletion without notice.</b>
 */
public class CacheFSInfo extends FSInfo {

    protected final ConcurrentHashMap<Path, Path> canonicalPathCache = new ConcurrentHashMap<>();
    protected final ConcurrentHashMap<Path, Optional<BasicFileAttributes>> attributeCache =
            new ConcurrentHashMap<>();
    protected final ConcurrentHashMap<Path, List<Path>> jarClassPathCache =
            new ConcurrentHashMap<>();

    /**
     * Register a Context.Factory to create a CacheFSInfo.
     */
    public static void preRegister(Context context) {
        context.put(FSInfo.class, (Factory<FSInfo>)c -> {
                FSInfo instance = new CacheFSInfo();
                c.put(FSInfo.class, instance);
                return instance;
            });
    }

    public void clearCache() {
        canonicalPathCache.clear();
        attributeCache.clear();
        jarClassPathCache.clear();
    }

    @Override
    public Path getCanonicalFile(Path file) {
        return canonicalPathCache.computeIfAbsent(file, super::getCanonicalFile);
    }

    @Override
    public boolean exists(Path file) {
        return getAttributes(file).isPresent();
    }

    @Override
    public boolean isDirectory(Path file) {
        return getAttributes(file).map(BasicFileAttributes::isDirectory).orElse(false);
    }

    @Override
    public boolean isFile(Path file) {
        return getAttributes(file).map(BasicFileAttributes::isRegularFile).orElse(false);
    }

    @Override
    public List<Path> getJarClassPath(Path file) throws IOException {
        synchronized (jarClassPathCache) {
            List<Path> jarClassPath = jarClassPathCache.get(file);
            if (jarClassPath == null) {
                jarClassPath = super.getJarClassPath(file);
                jarClassPathCache.put(file, jarClassPath);
            }
            return jarClassPath;
        }
    }

    protected Optional<BasicFileAttributes> getAttributes(Path file) {
        return attributeCache.computeIfAbsent(file, this::maybeReadAttributes);
    }

    protected Optional<BasicFileAttributes> maybeReadAttributes(Path file) {
        try {
            return Optional.of(Files.readAttributes(file, BasicFileAttributes.class));
        } catch (IOException e) {
            // Ignore; means file not found
            return Optional.empty();
        }
    }
}

⏎ com/sun/tools/javac/file/CacheFSInfo.java

Or download all of them as a single archive file:

File name: jdk.compiler-17.0.5-src.zip
File size: 1450209 bytes
Release date: 2022-09-13
Download 

⇒ JDK 17 jdk.crypto.cryptoki.jmod - Crypto KI Module

⇐ JDK 17 jdk.charsets.jmod - Charsets Module

⇑ JDK 17 JMod/Module Files

⇑⇑ FAQ for JDK (Java Development Kit) 17