Java Assert Not Null assertStringNotNullAndNotTrimmedEmpty( String variableName, String value)

Description

Assert that the entity is not null and not trimmed empty.

License

Apache License

Parameter

Parameter	Description
variableName	Variable name. (NotNull)
value	Value. (NotNull)

Declaration

public static void assertStringNotNullAndNotTrimmedEmpty(
        String variableName, String value) 

Method Source Code

//package com.java2s;
/*//from  ww  w  .  ja  va2 s . com
 * Copyright 2004-2011 the Seasar Foundation and the Others.
 *
 * 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.
 */

public class Main {
    /**
     * Assert that the entity is not null and not trimmed empty.
     * @param variableName Variable name. (NotNull)
     * @param value Value. (NotNull)
     */
    public static void assertStringNotNullAndNotTrimmedEmpty(
            String variableName, String 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);
        }
    }

    /**
     * Assert that the object is not null.
     * @param variableName Variable name. (NotNull)
     * @param value Value. (NotNull)
     * @exception IllegalArgumentException
     */
    public static void assertObjectNotNull(String variableName, Object 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);
        }
    }
}

Related

1. assertParameterNotNull(Object parameterValue, String errorMessage)
2. assertParamNotNull(Object check, String paramName)
3. assertParamNotNull(String param, String paramName)
4. assertPatternNotNull(String methodName, String pattern)
5. assertResourceNotNull(String resourcePath, Object resourceHandle)
6. assertStringNotNullNorEmpty(String str, String name)
7. assertStringNotNullOrEmpty(String str, String name)
8. assertStringNotNullOrEmpty_ShorterThan256( String str, String name)