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 /*
  * Copyright 2014-2015 the original author or authors.
  *
  * 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 org.dbflute.util;

Author(s):
jflute
public class DfAssertUtil {
    // ===================================================================================
    //                                                                              Object
    //                                                                              ======
    
Assert that the object is not null.

Parameters:
variableName The check name of variable for message. (NotNull)
value The checked value. (NotNull)
Throws:
java.lang.IllegalArgumentException When the argument is null.
    public static void assertObjectNotNull(String variableNameObject value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;
            throw new IllegalArgumentException(msg);
        }
    }
    // ===================================================================================
    //                                                                              String
    //                                                                              ======
    
Assert that the entity is not null and not trimmed empty.

Parameters:
variableName The check name of variable for message. (NotNull)
value The checked value. (NotNull)
    public static void assertStringNotNullAndNotTrimmedEmpty(String variableNameString value) {
        assertObjectNotNull("variableName"variableName);
        assertObjectNotNull("value"value);
        if (value.trim().length() == 0) {
            String msg = "The value should not be empty: variableName=" + variableName + " value=" + value;
            throw new IllegalArgumentException(msg);
        }
    }
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