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public class JarUtil
{
private String jarName;
private String jarPath;
public JarUtil(Class clazz)
{
String path = clazz.getProtectionDomain().getCodeSource().getLocation()
.getFile();
try
{
path = java.net.URLDecoder.decode(path, "UTF-8");
}
catch (java.io.UnsupportedEncodingException e)
{
e.printStackTrace();
}
java.io.File jarFile = new java.io.File(path);
this.jarName = jarFile.getName();
java.io.File parent = jarFile.getParentFile();
if (parent != null)
{
this.jarPath = parent.getAbsolutePath();
}
}
/**
* 获取Class类所在Jar包的名称
*
* @return Jar包名 (例如：C:\temp\demo.jar 则返回 demo.jar )
*/
public String getJarName()
{
try
{
return java.net.URLDecoder.decode(this.jarName, "UTF-8");
}
catch (java.io.UnsupportedEncodingException e)
{
e.printStackTrace();
}
return null;
}
/**
* 取得Class类所在的Jar包路径
*
* @return 返回一个路径 (例如：C:\temp\demo.jar 则返回 C:\temp )
*/
public String getJarPath()
{
try
{
return java.net.URLDecoder.decode(this.jarPath, "UTF-8");
}
catch (java.io.UnsupportedEncodingException e)
{
e.printStackTrace();
}
return null;
}
public static void main(String[] args) throws Exception
{
JarUtil ju = new JarUtil(JarUtil.class);
System.out.println("Jar name: " + ju.getJarName());
System.out.println("Jar path: " + ju.getJarPath());
}
}
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