org.gradle.api.internalrepositories.maven.MavenVersionLister Maven / Gradle / Ivy
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/*
* Copyright 2017 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.maven;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import org.gradle.api.artifacts.ModuleIdentifier;
import org.gradle.api.internal.artifacts.repositories.resolver.ResourcePattern;
import org.gradle.api.resources.MissingResourceException;
import org.gradle.internal.resolve.result.BuildableModuleVersionListingResolveResult;
import org.gradle.internal.resource.ExternalResourceName;
import java.util.List;
import java.util.Set;
public class MavenVersionLister {
private final MavenMetadataLoader mavenMetadataLoader;
public MavenVersionLister(MavenMetadataLoader mavenMetadataLoader) {
this.mavenMetadataLoader = mavenMetadataLoader;
}
public void listVersions(ModuleIdentifier module, List patterns, BuildableModuleVersionListingResolveResult result) {
final Set searched = Sets.newHashSet();
List versions = Lists.newArrayList();
boolean hasResult = false;
for (ResourcePattern pattern : patterns) {
ExternalResourceName metadataLocation = pattern.toModulePath(module).resolve("maven-metadata.xml");
if (searched.add(metadataLocation)) {
result.attempted(metadataLocation);
try {
MavenMetadata mavenMetaData = mavenMetadataLoader.load(metadataLocation);
versions.addAll(mavenMetaData.versions);
hasResult = true;
} catch (MissingResourceException e) {
// Continue
}
}
}
if (hasResult) {
result.listed(versions);
}
}
}