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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.metadata;
import com.google.common.collect.ImmutableList;
import org.gradle.api.artifacts.ModuleIdentifier;
import org.gradle.api.artifacts.component.ModuleComponentIdentifier;
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.ComponentResolvers;
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.ModuleDescriptorHashModuleSource;
import org.gradle.api.internal.artifacts.repositories.resolver.ExternalResourceArtifactResolver;
import org.gradle.api.internal.artifacts.repositories.resolver.ExternalResourceResolver;
import org.gradle.api.internal.artifacts.repositories.resolver.ResourcePattern;
import org.gradle.api.internal.artifacts.repositories.resolver.VersionLister;
import org.gradle.internal.component.external.model.DefaultModuleComponentArtifactMetadata;
import org.gradle.internal.component.external.model.ModuleDependencyMetadata;
import org.gradle.internal.component.external.model.MutableModuleComponentResolveMetadata;
import org.gradle.internal.component.model.ComponentOverrideMetadata;
import org.gradle.internal.component.model.DefaultIvyArtifactName;
import org.gradle.internal.component.model.IvyArtifactName;
import org.gradle.internal.hash.HashCode;
import org.gradle.internal.hash.Hashing;
import org.gradle.internal.resolve.result.BuildableModuleComponentMetaDataResolveResult;
import org.gradle.internal.resolve.result.BuildableModuleVersionListingResolveResult;
import org.gradle.internal.resolve.result.ResourceAwareResolveResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.Nullable;
import javax.inject.Inject;
import java.util.List;
public class DefaultArtifactMetadataSource extends AbstractMetadataSource {
private static final Logger LOGGER = LoggerFactory.getLogger(ExternalResourceResolver.class);
private final MutableModuleMetadataFactory mutableModuleMetadataFactory;
private final String artifactType;
private final String artifactExtension;
@Inject
public DefaultArtifactMetadataSource(MutableModuleMetadataFactory mutableModuleMetadataFactory) {
this.artifactType = "jar";
this.artifactExtension = "jar";
this.mutableModuleMetadataFactory = mutableModuleMetadataFactory;
}
@Override
public MutableModuleComponentResolveMetadata create(String repositoryName, ComponentResolvers componentResolvers, ModuleComponentIdentifier moduleComponentIdentifier, ComponentOverrideMetadata prescribedMetaData, ExternalResourceArtifactResolver artifactResolver, BuildableModuleComponentMetaDataResolveResult result) {
MutableModuleComponentResolveMetadata metaDataFromDefaultArtifact = createMetaDataFromDependencyArtifact(moduleComponentIdentifier, prescribedMetaData, artifactResolver, result);
if (metaDataFromDefaultArtifact != null) {
LOGGER.debug("Found artifact but no meta-data for module '{}' in repository '{}', using default meta-data.", moduleComponentIdentifier, repositoryName);
metaDataFromDefaultArtifact.getSources()
.add(new ModuleDescriptorHashModuleSource(getDescriptorHash(moduleComponentIdentifier), false));
return metaDataFromDefaultArtifact;
}
return null;
}
private HashCode getDescriptorHash(ModuleComponentIdentifier moduleComponentIdentifier) {
// For empty metadata, we use a hash based on the identifier
return Hashing.md5().hashString(moduleComponentIdentifier.toString());
}
@Nullable
private MutableModuleComponentResolveMetadata createMetaDataFromDependencyArtifact(ModuleComponentIdentifier moduleComponentIdentifier, ComponentOverrideMetadata overrideMetadata, ExternalResourceArtifactResolver artifactResolver, ResourceAwareResolveResult result) {
List artifactNames = getArtifactNames(moduleComponentIdentifier, overrideMetadata);
for (IvyArtifactName artifact : artifactNames) {
if (artifactResolver.artifactExists(new DefaultModuleComponentArtifactMetadata(moduleComponentIdentifier, artifact), result)) {
return mutableModuleMetadataFactory.missing(moduleComponentIdentifier);
}
}
return null;
}
private List getArtifactNames(ModuleComponentIdentifier moduleComponentIdentifier, ComponentOverrideMetadata overrideMetadata) {
if (!overrideMetadata.getArtifacts().isEmpty()) {
return overrideMetadata.getArtifacts();
}
IvyArtifactName defaultArtifact = new DefaultIvyArtifactName(moduleComponentIdentifier.getModule(), artifactType, artifactExtension);
return ImmutableList.of(defaultArtifact);
}
@Override
public void listModuleVersions(ModuleDependencyMetadata dependency, ModuleIdentifier module, List ivyPatterns, List artifactPatterns, VersionLister versionLister, BuildableModuleVersionListingResolveResult result) {
// List modules with missing metadata files
IvyArtifactName dependencyArtifact = getPrimaryDependencyArtifact(dependency);
versionLister.listVersions(module, dependencyArtifact, artifactPatterns, result);
}
static IvyArtifactName getPrimaryDependencyArtifact(ModuleDependencyMetadata dependency) {
String moduleName = dependency.getSelector().getModule();
List artifacts = dependency.getArtifacts();
if (artifacts.isEmpty()) {
return new DefaultIvyArtifactName(moduleName, "jar", "jar");
}
return artifacts.get(0);
}
}