JDK 11 jdk.compiler.jmod - Compiler Tool

JDK 11 jdk.compiler.jmod is the JMOD file for JDK 11 Compiler tool, which can be invoked by the "javac" command.

JDK 11 Compiler tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.compiler.jmod.

JDK 11 Compiler tool compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Compiler source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.compiler.

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

✍: FYIcenter

com/sun/tools/javac/file/FSInfo.java

/*
 * Copyright (c) 2008, 2016, 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.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.spi.FileSystemProvider;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.StringTokenizer;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.Manifest;

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

/**
 * Get meta-info about files. Default direct (non-caching) implementation.
 * @see CacheFSInfo
 *
 * <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 FSInfo {

    /** Get the FSInfo instance for this context.
     *  @param context the context
     *  @return the Paths instance for this context
     */
    public static FSInfo instance(Context context) {
        FSInfo instance = context.get(FSInfo.class);
        if (instance == null)
            instance = new FSInfo();
        return instance;
    }

    protected FSInfo() {
    }

    protected FSInfo(Context context) {
        context.put(FSInfo.class, this);
    }

    public Path getCanonicalFile(Path file) {
        try {
            return file.toRealPath();
        } catch (IOException e) {
            return file.toAbsolutePath().normalize();
        }
    }

    public boolean exists(Path file) {
        return Files.exists(file);
    }

    public boolean isDirectory(Path file) {
        return Files.isDirectory(file);
    }

    public boolean isFile(Path file) {
        return Files.isRegularFile(file);
    }

    public List<Path> getJarClassPath(Path file) throws IOException {
        Path parent = file.getParent();
        try (JarFile jarFile = new JarFile(file.toFile())) {
            Manifest man = jarFile.getManifest();
            if (man == null)
                return Collections.emptyList();

            Attributes attr = man.getMainAttributes();
            if (attr == null)
                return Collections.emptyList();

            String path = attr.getValue(Attributes.Name.CLASS_PATH);
            if (path == null)
                return Collections.emptyList();

            List<Path> list = new ArrayList<>();

            for (StringTokenizer st = new StringTokenizer(path);
                 st.hasMoreTokens(); ) {
                String elt = st.nextToken();
                Path f = FileSystems.getDefault().getPath(elt);
                if (!f.isAbsolute() && parent != null)
                    f = parent.resolve(f).toAbsolutePath();
                list.add(f);
            }

            return list;
        }
    }

    private FileSystemProvider jarFSProvider;

    public synchronized FileSystemProvider getJarFSProvider() {
        if (jarFSProvider != null) {
            return jarFSProvider;
        }
        for (FileSystemProvider provider: FileSystemProvider.installedProviders()) {
            if (provider.getScheme().equals("jar")) {
                return (jarFSProvider = provider);
            }
        }
        return null;
    }

}

com/sun/tools/javac/file/FSInfo.java

 

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