de.vandermeer.skb.interfaces.transformers.StrBuilder_To_String Maven / Gradle / Ivy

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Set of interfaces used by other SKB projects.

There is a newer version: 0.0.2

/* Copyright 2016 Sven van der Meer 
 *
 * 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 de.vandermeer.skb.interfaces.transformers;

import org.apache.commons.lang3.text.StrBuilder;

/**
 * Converts an {@link StrBuilder} to a string.
 * This transformer is useful to transform a cluster of {@link StrBuilder} to a cluster of strings.
 *
 * @author     Sven van der Meer <[email protected]>
 * @version    v0.0.1 build 170404 (04-Apr-17) for Java 1.8
 * @since      v0.0.1
 */
public interface StrBuilder_To_String extends IsTransformer {

	@Override
	default String transform(StrBuilder sb) {
		if(sb==null){
			return "";
		}
		return sb.toString();
	}

	/**
	 * Creates a transformer that takes an {@link StrBuilder} and returns a string.
	 * @return new transformer
	 */
	static StrBuilder_To_String create(){
		return new StrBuilder_To_String() {};
	}

}