JDK14/Java14源码在线阅读

/*
 * 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
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */



package jdk.tools.jaotc.collect;

import java.nio.file.Path;
import java.util.function.BiConsumer;

public interface ClassSource {
    static boolean pathIsClassFile(Path entry) {
        String fileName = entry.getFileName().toString();
        return fileName.endsWith(".class") && !fileName.endsWith("module-info.class");
    }

    static String stripRoot(Path path) {
        if (path.getRoot() != null) {
            String root = path.getRoot().toString();
            String filename = path.toString().substring(root.length());
            String separator = path.getFileSystem().getSeparator();
            while (filename.startsWith(separator)) {
                filename = filename.substring(separator.length());
            }
            return filename;
        }

        return path.toString();
    }

    static String makeClassName(Path path) {
        String fileName = path.toString();

        if (!fileName.endsWith(".class")) {
            throw new IllegalArgumentException("File doesn't end with .class: '" + fileName + "'");
        }

        fileName = stripRoot(path);


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