Mega Code Archive
Get the package name of the specified class
<![CDATA[
import java.lang.reflect.Method;
import java.net.URL;
import java.security.CodeSource;
import java.security.ProtectionDomain;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
public class Main {
/** The string used to separator packages */
public static final String PACKAGE_SEPARATOR = ".";
/**
* Get the package name of the specified class.
*
* @param classname
* Class name.
* @return Package name or "" if the classname is in the <i>default</i>
* package.
*
* @throws EmptyStringException
* Classname is an empty string.
*/
public static String getPackageName(final String classname) {
if (classname.length() == 0)
System.out.println("Empty String Exception");
int index = classname.lastIndexOf(PACKAGE_SEPARATOR);
if (index != -1)
return classname.substring(0, index);
return "";
}
}
]]>