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/*
 * Copyright 2022 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
 * 

 * https://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.openrewrite.test;

import lombok.RequiredArgsConstructor;
import org.openrewrite.SourceFile;

import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.function.Consumer;

@RequiredArgsConstructor
public class Dir implements Iterable>, SourceSpecs {
    private final String dir;
    private final Consumer> spec;
    private final SourceSpecs[] sourceSpecs;

    @Override
    public Iterator> iterator() {
        List> asList = new ArrayList<>();
        for (SourceSpecs many : sourceSpecs) {
            for (SourceSpec sourceSpec : many) {
                //noinspection unchecked
                SourceSpec boxed = (SourceSpec) sourceSpec;
                spec.accept(boxed);
                boxed.dir = Paths.get(dir).resolve(boxed.dir);
                asList.add(boxed);
            }
        }
        return asList.iterator();
    }
}