org.apache.wicket.util.lang.Classes Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.wicket.util.lang;
/**
* Utilities for dealing with classes.
*
* @author Jonathan Locke
*/
public final class Classes
{
/**
* Gets the name of the given class or null if the class is null.
*
* @param c
* The class
* @return The class name
*/
public static String name(Class c)
{
String name = null;
if (c != null)
{
while (c.isAnonymousClass())
{
c = c.getSuperclass();
}
name = c.getName();
}
return name;
}
/**
* Gets the simple name (without the package) of the given class or null if the class is null.
*
* @param c
* The class
* @return The class simple name
*/
public static String simpleName(Class c)
{
String simpleName = null;
if (c != null)
{
while (c.isAnonymousClass())
{
c = c.getSuperclass();
}
simpleName = c.getSimpleName();
}
return simpleName;
}
/**
* Takes a Class and a relative path to a class and returns any class at that relative path. For
* example, if the given Class was java.lang.System and the relative path was "../util/List",
* then the java.util.List class would be returned.
*
* @param scope
* The package to start at
* @param path
* The relative path to the class
* @return The class
* @throws ClassNotFoundException
*/
public static Class relativeClass(final Class scope, final String path)
throws ClassNotFoundException
{
return Class.forName(Packages.absolutePath(scope, path).replace('/', '.'));
}
/**
* Instantiation not allowed
*/
private Classes()
{
}
}