org.jclouds.util.Preconditions2 Maven / Gradle / Ivy

Go to download
/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.jclouds.util;

import static com.google.common.base.Preconditions.checkArgument;


/**
 * Preconditions not in guava.
 * 
 * @author Adrian Cole
 */
public class Preconditions2 {

   /**
    * Will throw an exception if the argument is null or empty.
    * 
    * @param nullableString
    *           string to verify. Can be null or empty.
    */
   public static void checkNotEmpty(String nullableString) {
      Preconditions2.checkNotEmpty(nullableString, "Argument can't be null or empty");
   }

   /**
    * Will throw an exception if the argument is null or empty. Accepts a custom error message.
    * 
    * @param nullableString
    *           string to verify. Can be null or empty.
    * @param message
    *           message to show in case of exception
    */
   public static void checkNotEmpty(String nullableString, String message) {
      checkArgument(nullableString != null && nullableString.length() > 0, message);
   }


}