impl/src/main/java/org/apache/myfaces/util/lang/Assert.java

/*
 * 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.myfaces.util.lang;

public class Assert
{
    public static void notNull(Object value)
    {
        if (value == null)
        {
            throw new NullPointerException("The instance is null.");
        }
    }
    
    public static void notNull(Object value, String name)
    {
        if (value == null)
        {
            throw new NullPointerException(name + " is null.");
        }
    }
    
    public static void notEmpty(String param, String name)
    {
        if (param == null || param.isEmpty())
        {
            throw new NullPointerException(name + " is empty.");
        }
    }
}