Java中相对文件路径的绝对

Spo*_*ike 3 java relative-path absolute-path

鉴于我有两个File对象,我可以想到以下实现:

public File convertToRelative(File home, File file) {
    final String homePath = home.getAbsolutePath();
    final String filePath = file.getAbsolutePath();

    // Only interested in converting file path that is a 
    // direct descendants of home path
    if (!filePath.beginsWith(homePath)) {
        return file;
    }

    return new File(filePath.substring(homePath.length()+1));
}
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有没有更聪明的方法将绝对文件路径转换为相对文件路径?

可能重复:

如何从两个绝对路径或URL构建java中的相对路径

Lom*_*mbo 23

这个问题在之前被问过

以下是答案,以防万一

String path = "/var/data/stuff/xyz.dat";
String base = "/var/data";
String relative = new File(base).toURI().relativize(new File(path).toURI()).getPath();
// relative == "stuff/xyz.dat"
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