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//
// Copyright (C) 2006-2016 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
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package org.talend.dq.helper;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* DOC zshen class global comment. Detailled comment
*/
public class ListUtils {
private ListUtils() {
// do not use
}
/**
*
* zshen Comment method "castList".
*
* @param <T>
* @param clazz the target class you want to transform.
* @param c the source Collection you want to transform.
* @return a list which only contain you want getting type of element.
*/
public static <T> List<T> castList(Class<? extends T> clazz, Collection<?> c) {
List<T> r = new ArrayList<T>(c.size());
for (Object o : c) {
r.add(clazz.cast(o));
}
return r;
}
}