53 lines
2.0 KiB
Java
53 lines
2.0 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package nsk.share;
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import java.io.File;
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import java.nio.file.Paths;
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import java.nio.file.Path;
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import java.nio.file.Files;
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import java.util.Arrays;
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public class ClassFileFinder {
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private ClassFileFinder() { }
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/**
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* Searches for a classfile for the specified class in the specified
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* classpath.
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*
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* @param name a classname
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* @param classPath {@link File.pathSeparator} separated directories
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* @return an absolute path to the found classfile, or null if it cannot be
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* found
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*/
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public static Path findClassFile(String name, String classPath) {
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return Arrays.stream(classPath.split(File.pathSeparator))
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.map(java.nio.file.Paths::get)
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.map(p -> p.resolve(name.replace('.', File.separatorChar) + ".class"))
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.filter(p -> java.nio.file.Files.exists(p))
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.map(Path::toAbsolutePath)
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.findAny()
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.orElse(null);
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}
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}
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