/*
 * Copyright 2016 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.gradle.api.internal.file.copy;

import groovy.lang.Closure;
import org.gradle.api.Transformer;

public class ClosureBackedTransformer implements Transformer<String, String> {
    private final Closure closure;

    public ClosureBackedTransformer(Closure closure) {
        this.closure = closure;
    }

    @Override
    public String transform(String s) {
        Object val = closure.call(s);
        return val == null ? null : val.toString();
    }
}
