| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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 com.intellij.openapi.util; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| public final class NullUtils { |
| /** |
| * Returns <tt>true</tt> if and only if all objects are not <tt>null</tt> |
| * |
| * @param objects objects to check |
| * @return <tt>true</tt> if all objects are not <tt>null</tt>, |
| * otherwise <tt>false</tt> |
| */ |
| public static boolean notNull(Object... objects) { |
| for (Object object : objects) { |
| if (object == null) return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Returns <tt>true</tt> if and only if at least one object is <tt>null</tt> |
| * |
| * @param objects objects to check |
| * @return <tt>false</tt> if all objects are not <tt>null</tt>, |
| * otherwise <tt>true</tt> |
| */ |
| public static boolean hasNull(Object... objects) { |
| for (Object object : objects) { |
| if (object == null) return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Returns <tt>true</tt> if and only if at least one object is not <tt>null</tt> |
| * |
| * @param objects objects to check |
| * @return <tt>false</tt> if all objects are <tt>null</tt>, |
| * otherwise <tt>true</tt> |
| */ |
| public static boolean hasNotNull(Object... objects) { |
| for (Object object : objects) { |
| if (object != null) return true; |
| } |
| return false; |
| } |
| |
| private NullUtils() {} |
| } |