com.ezylang.evalex.data.conversion.StringConverter Maven / Gradle / Ivy

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EvalEx is a handy expression evaluator for Java, that allows to evaluate expressions.

There is a newer version: 3.4.0

/*
  Copyright 2012-2023 Udo Klimaschewski

  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.ezylang.evalex.data.conversion;

import com.ezylang.evalex.config.ExpressionConfiguration;
import com.ezylang.evalex.data.EvaluationValue;

/** Converter to convert to the STRING data type. */
public class StringConverter implements ConverterIfc {

  @Override
  public EvaluationValue convert(Object object, ExpressionConfiguration configuration) {
    String string;

    if (object instanceof CharSequence) {
      string = ((CharSequence) object).toString();
    } else if (object instanceof Character) {
      string = ((Character) object).toString();
    } else {
      throw illegalArgument(object);
    }

    return EvaluationValue.stringValue(string);
  }

  @Override
  public boolean canConvert(Object object) {
    return (object instanceof CharSequence || object instanceof Character);
  }
}