org.archive.util.CLibrary Maven / Gradle / Ivy

/*
 *  This file is part of the Heritrix web crawler (crawler.archive.org).
 *
 *  Licensed to the Internet Archive (IA) by one or more individual 
 *  contributors. 
 *
 *  The IA licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
 
package org.archive.util;

import com.sun.jna.Library;
import com.sun.jna.Native;
import com.sun.jna.Platform;

/**
 * Interface to standard C library functions; initially just link().
 * 
 * Via StackOverflow answer:
 * http://stackoverflow.com/questions/783075/creating-a-hard-link-in-java/3023349#3023349
 * 
 */
public interface CLibrary extends Library {
    CLibrary INSTANCE = (CLibrary)
        Native.loadLibrary((Platform.isWindows() ? "msvcrt" : "c"),
                           CLibrary.class);
    
    int link(String existingPath, String newPath);
    int symlink(String existingPath, String newPath);
}