com.base4j.mybatis.tool.StringUtil Maven / Gradle / Ivy
package com.base4j.mybatis.tool;
import java.net.URL;
/**
* Created by USER on 2017-03-15.
*/
public class StringUtil {
private StringUtil() {
}
/**
* "file:/home/whf/cn/fh" -> "/home/whf/cn/fh"
* "jar:file:/home/whf/foo.jar!cn/fh" -> "/home/whf/foo.jar"
*/
public static String getRootPath(URL url) {
String fileUrl = url.getFile();
int pos = fileUrl.indexOf('!');
if (-1 == pos) {
return fileUrl;
}
return fileUrl.substring(5, pos);
}
/**
* "cn.fh.lightning" -> "cn/fh/lightning"
*
* @param name
* @return
*/
public static String dotToSplash(String name) {
return name.replaceAll("\\.", "/");
}
/**
* "Apple.class" -> "Apple"
*/
public static String trimExtension(String name) {
int pos = name.indexOf('.');
if (-1 != pos) {
return name.substring(0, pos);
}
return name;
}
/**
* /application/home -> /home
*
* @param uri
* @return
*/
public static String trimURI(String uri) {
String trimmed = uri.substring(1);
int splashIndex = trimmed.indexOf('/');
return trimmed.substring(splashIndex);
}
}