org.bremersee.utils.CastUtils Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
*
* Licensed 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.bremersee.utils;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
*
* This utility class has methods to cast collections.
*
*
* @author Christian Bremer
*/
@SuppressWarnings("unchecked")
public abstract class CastUtils {
private CastUtils() {
// utility class, never constructed
}
/**
* Casts a collection.
*/
public static Collection cast(Collection col) {
return (Collection) col;
}
/**
* Casts a collection.
*/
public static Collection cast(Collection col, Class t) {
return (Collection) col;
}
/**
* Casts a list.
*/
public static List cast(List list) {
return (List) list;
}
/**
* Casts a list.
*/
public static List cast(List list, Class t) {
return (List) list;
}
/**
* Casts an iterator.
*/
public static Iterator cast(Iterator iter) {
return (Iterator) iter;
}
/**
* Casts an iterator.
*/
public static Iterator cast(Iterator iter, Class t) {
return (Iterator) iter;
}
/**
* Casts a set.
*/
public static Set cast(Set set) {
return (Set) set;
}
/**
* Casts a set.
*/
public static Set cast(Set set, Class t) {
return (Set) set;
}
/**
* Casts a map.
*/
public static Map cast(Map map) {
return (Map) map;
}
/**
* Casts a map.
*/
public static Map cast(Map map, Class t, Class u) {
return (Map) map;
}
/**
* Casts a map entry.
*/
public static Map.Entry cast(Map.Entry mapEntry) {
return (Map.Entry) mapEntry;
}
/**
* Casts a map entry.
*/
public static Map.Entry cast(Map.Entry mapEntry, Class t, Class u) {
return (Map.Entry) mapEntry;
}
}