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