/*
* Copyright 2011 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.ivy;
import org.gradle.api.Transformer;
import org.gradle.api.file.EmptyFileVisitor;
import org.gradle.api.file.FileVisitDetails;
import org.gradle.internal.component.external.model.ModuleComponentArtifactMetadata;
import org.gradle.api.internal.artifacts.repositories.resolver.ResourcePattern;
import org.gradle.internal.resource.local.AbstractLocallyAvailableResourceFinder;
import org.gradle.api.internal.file.collections.MinimalFileTree;
import org.gradle.api.internal.file.collections.SingleIncludePatternFileTree;
import org.gradle.internal.Factory;
import java.io.File;
import java.util.LinkedList;
import java.util.List;
public class PatternBasedLocallyAvailableResourceFinder extends AbstractLocallyAvailableResourceFinder<ModuleComponentArtifactMetadata> {
public PatternBasedLocallyAvailableResourceFinder(File baseDir, ResourcePattern pattern) {
super(createProducer(baseDir, pattern));
}
private static Transformer<Factory<List<File>>, ModuleComponentArtifactMetadata> createProducer(final File baseDir, final ResourcePattern pattern) {
return new Transformer<Factory<List<File>>, ModuleComponentArtifactMetadata>() {
public Factory<List<File>> transform(final ModuleComponentArtifactMetadata artifact) {
return new Factory<List<File>>() {
public List<File> create() {
final List<File> files = new LinkedList<File>();
if (artifact != null) {
getMatchingFiles(artifact).visit(new EmptyFileVisitor() {
public void visitFile(FileVisitDetails fileDetails) {
files.add(fileDetails.getFile());
}
});
}
return files;
}
};
}
private MinimalFileTree getMatchingFiles(ModuleComponentArtifactMetadata artifact) {
String patternString = pattern.getLocation(artifact).getPath();
return new SingleIncludePatternFileTree(baseDir, patternString);
}
};
}
}