/*
* 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.api.internal.artifacts.repositories.resolver;
import org.gradle.api.artifacts.ModuleIdentifier;
import org.gradle.api.resources.ResourceException;
import org.gradle.internal.component.model.IvyArtifactName;
import org.gradle.internal.resolve.result.ResourceAwareResolveResult;
import org.gradle.internal.resource.ExternalResourceName;
import org.gradle.internal.resource.local.FileStore;
import org.gradle.internal.resource.transfer.CacheAwareExternalResourceAccessor;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
public class MavenVersionLister implements VersionLister {
private final MavenMetadataLoader mavenMetadataLoader;
public MavenVersionLister(CacheAwareExternalResourceAccessor cacheAwareExternalResourceAccessor, FileStore<String> resourcesFileStore) {
this.mavenMetadataLoader = new MavenMetadataLoader(cacheAwareExternalResourceAccessor, resourcesFileStore);
}
public VersionPatternVisitor newVisitor(final ModuleIdentifier module, final Collection<String> dest, final ResourceAwareResolveResult result) {
return new VersionPatternVisitor() {
final Set<ExternalResourceName> searched = new HashSet<ExternalResourceName>();
public void visit(ResourcePattern pattern, IvyArtifactName artifact) throws ResourceException {
ExternalResourceName metadataLocation = pattern.toModulePath(module).resolve("maven-metadata.xml");
if (!searched.add(metadataLocation)) {
return;
}
result.attempted(metadataLocation);
MavenMetadata mavenMetaData = mavenMetadataLoader.load(metadataLocation.getUri());
for (String version : mavenMetaData.versions) {
dest.add(version);
}
}
};
}
}