com.viiyue.plugins.mybatis.template.function.NotBlankFunction Maven / Gradle / Ivy

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Mybatis generic mapper plugin for solving most basic operations, simplifying sql syntax and improving dynamic execution efficiency

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/**
 * Copyright (C) 2017 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 com.viiyue.plugins.mybatis.template.function;

import com.viiyue.plugins.mybatis.template.TemplateEngine;
import com.viiyue.plugins.mybatis.utils.ObjectUtil;

/**
 * 
 * Fel-engine extended non-null/non-blank judgment function, used to determine whether 
 * the given value is non-null or whether the text is blank.
 *
 * 

 * isNotBlank(null) - false
 * 
isNotBlank("") - false
 * 
isNotBlank("  ") - false
 * 
isNotBlank("\t\n\s") - false
 * 
isNotBlank(*) - true
 * 
 *
 * @author tangxbai
 * @since 1.0.0
 * @see TemplateEngine
 */
public class NotBlankFunction extends AbstractFunction {

	public NotBlankFunction() {
		super( 1 );
	}

	@Override
	public String getName() {
		return "isNotBlank";
	}

	@Override
	public Object invoke( Object target ) {
		return ObjectUtil.isNotBlank( target );
	}

}