org.macrocloud.kernel.toolkit.utils.PathUtil Maven / Gradle / Ivy
package org.macrocloud.kernel.toolkit.utils;
import org.springframework.lang.Nullable;
import java.io.File;
import java.net.URL;
/**
* 用来获取各种目录.
*
* @author macro
*/
public class PathUtil {
/** The Constant FILE_PROTOCOL. */
public static final String FILE_PROTOCOL = "file";
/** The Constant JAR_PROTOCOL. */
public static final String JAR_PROTOCOL = "jar";
/** The Constant ZIP_PROTOCOL. */
public static final String ZIP_PROTOCOL = "zip";
/** The Constant FILE_PROTOCOL_PREFIX. */
public static final String FILE_PROTOCOL_PREFIX = "file:";
/** The Constant JAR_FILE_SEPARATOR. */
public static final String JAR_FILE_SEPARATOR = "!/";
/**
* 获取jar包运行时的当前目录.
*
* @return {String}
*/
@Nullable
public static String getJarPath() {
try {
URL url = PathUtil.class.getResource(StringPool.SLASH).toURI().toURL();
return PathUtil.toFilePath(url);
} catch (Exception e) {
String path = PathUtil.class.getResource(StringPool.EMPTY).getPath();
return new File(path).getParentFile().getParentFile().getAbsolutePath();
}
}
/**
* 转换为文件路径.
*
* @param url 路径
* @return {String}
*/
@Nullable
public static String toFilePath(@Nullable URL url) {
if (url == null) {
return null;
}
String protocol = url.getProtocol();
String file = UrlUtil.decode(url.getPath(), Charsets.UTF_8);
if (FILE_PROTOCOL.equals(protocol)) {
return new File(file).getParentFile().getParentFile().getAbsolutePath();
} else if (JAR_PROTOCOL.equals(protocol) || ZIP_PROTOCOL.equals(protocol)) {
int ipos = file.indexOf(JAR_FILE_SEPARATOR);
if (ipos > 0) {
file = file.substring(0, ipos);
}
if (file.startsWith(FILE_PROTOCOL_PREFIX)) {
file = file.substring(FILE_PROTOCOL_PREFIX.length());
}
return new File(file).getParentFile().getAbsolutePath();
}
return file;
}
}