/*
* Copyright 2012-2015 org.opencloudb.
*
* 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.
*/
/**
* (created at 2011-1-4)
*/
package org.opencloudb.parser.util;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* @author mycat
*/
public final class ListUtil {
@SuppressWarnings("rawtypes")
public static List<?> createList(Object... objs) {
return createList(new ArrayList(), objs);
}
@SuppressWarnings({ "rawtypes", "unchecked" })
public static List<?> createList(List list, Object... objs) {
if (objs != null) {
for (Object obj : objs) {
list.add(obj);
}
}
return list;
}
public static boolean isEquals(List<? extends Object> l1, List<? extends Object> l2) {
if (l1 == l2) return true;
if (l1 == null) return l2 == null;
if (l2 == null) return false;
if (l1.size() != l2.size()) return false;
Iterator<? extends Object> iter1 = l1.iterator();
Iterator<? extends Object> iter2 = l2.iterator();
while (iter1.hasNext()) {
Object o1 = iter1.next();
Object o2 = iter2.next();
if (o1 == o2) continue;
if (o1 == null && o2 != null) return false;
if (!o1.equals(o2)) return false;
}
return true;
}
}