org.gradle.internal.resource.local.LocallyAvailableResourceFinderSearchableFileStoreAdapter Maven / Gradle / Ivy

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/*
 * Copyright 2012 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.internal.resource.local;

import org.gradle.api.Transformer;
import org.gradle.internal.Factory;
import org.gradle.util.CollectionUtils;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;

/**
 * Makes a LocallyAvailableResourceFinder out of a FileStoreSearcher.
 * @param  The type of criterion the filestore can be searched for, and therefore locally available resources searched for.
 */
public class LocallyAvailableResourceFinderSearchableFileStoreAdapter extends AbstractLocallyAvailableResourceFinder {

    public LocallyAvailableResourceFinderSearchableFileStoreAdapter(final FileStoreSearcher fileStore) {
        super(new Transformer>, C>() {
            public Factory> transform(final C criterion) {
                return new Factory>() {
                    public List create() {
                        Set entries = fileStore.search(criterion);
                        return CollectionUtils.collect(entries, new ArrayList(entries.size()), new Transformer() {
                            public File transform(LocallyAvailableResource original) {
                                return original.getFile();
                            }
                        });
                    }
                };
            }
        });
    }

    
}