/*
* 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.api.internal.artifacts.ivyservice.ivyresolve;
import org.gradle.StartParameter;
import org.gradle.api.Action;
import org.gradle.api.Nullable;
import org.gradle.api.artifacts.cache.ArtifactResolutionControl;
import org.gradle.api.artifacts.cache.DependencyResolutionControl;
import org.gradle.api.artifacts.cache.ModuleResolutionControl;
import org.gradle.api.artifacts.cache.ResolutionRules;
import org.gradle.api.artifacts.component.ModuleComponentIdentifier;
import org.gradle.api.internal.artifacts.ivyservice.resolutionstrategy.ExternalResourceCachePolicy;
import org.gradle.api.internal.artifacts.repositories.resolver.MetadataFetchingCost;
import org.gradle.api.internal.component.ArtifactType;
import org.gradle.api.resources.ResourceException;
import org.gradle.internal.component.model.ComponentArtifactMetadata;
import org.gradle.internal.component.model.ComponentOverrideMetadata;
import org.gradle.internal.component.model.ComponentResolveMetadata;
import org.gradle.internal.component.model.DependencyMetadata;
import org.gradle.internal.component.model.ModuleSource;
import org.gradle.internal.resolve.ArtifactResolveException;
import org.gradle.internal.resolve.ModuleVersionResolveException;
import org.gradle.internal.resolve.result.BuildableArtifactResolveResult;
import org.gradle.internal.resolve.result.BuildableArtifactSetResolveResult;
import org.gradle.internal.resolve.result.BuildableComponentArtifactsResolveResult;
import org.gradle.internal.resolve.result.BuildableModuleComponentMetaDataResolveResult;
import org.gradle.internal.resolve.result.BuildableModuleVersionListingResolveResult;
import org.gradle.internal.resource.local.LocalResource;
import org.gradle.internal.resource.metadata.ExternalResourceMetaData;
import org.gradle.internal.resource.transfer.ExternalResourceConnector;
import org.gradle.internal.resource.transfer.ExternalResourceReadResponse;
import java.io.IOException;
import java.net.URI;
import java.util.List;
import java.util.concurrent.TimeUnit;
public class StartParameterResolutionOverride {
private final StartParameter startParameter;
public StartParameterResolutionOverride(StartParameter startParameter) {
this.startParameter = startParameter;
}
public void addResolutionRules(ResolutionRules resolutionRules) {
if (startParameter.isOffline()) {
resolutionRules.eachDependency(new Action<DependencyResolutionControl>() {
public void execute(DependencyResolutionControl dependencyResolutionControl) {
dependencyResolutionControl.useCachedResult();
}
});
resolutionRules.eachModule(new Action<ModuleResolutionControl>() {
public void execute(ModuleResolutionControl moduleResolutionControl) {
moduleResolutionControl.useCachedResult();
}
});
resolutionRules.eachArtifact(new Action<ArtifactResolutionControl>() {
public void execute(ArtifactResolutionControl artifactResolutionControl) {
artifactResolutionControl.useCachedResult();
}
});
} else if (startParameter.isRefreshDependencies()) {
resolutionRules.eachDependency(new Action<DependencyResolutionControl>() {
public void execute(DependencyResolutionControl dependencyResolutionControl) {
dependencyResolutionControl.cacheFor(0, TimeUnit.SECONDS);
}
});
resolutionRules.eachModule(new Action<ModuleResolutionControl>() {
public void execute(ModuleResolutionControl moduleResolutionControl) {
moduleResolutionControl.cacheFor(0, TimeUnit.SECONDS);
}
});
resolutionRules.eachArtifact(new Action<ArtifactResolutionControl>() {
public void execute(ArtifactResolutionControl artifactResolutionControl) {
artifactResolutionControl.cacheFor(0, TimeUnit.SECONDS);
}
});
}
}
public ModuleComponentRepository overrideModuleVersionRepository(ModuleComponentRepository original) {
if (startParameter.isOffline()) {
return new OfflineModuleComponentRepository(original);
}
return original;
}
private static class OfflineModuleComponentRepository extends BaseModuleComponentRepository {
private final FailedRemoteAccess failedRemoteAccess = new FailedRemoteAccess();
public OfflineModuleComponentRepository(ModuleComponentRepository original) {
super(original);
}
@Override
public ModuleComponentRepositoryAccess getRemoteAccess() {
return failedRemoteAccess;
}
}
private static class FailedRemoteAccess implements ModuleComponentRepositoryAccess {
@Override
public String toString() {
return "offline remote";
}
@Override
public void listModuleVersions(DependencyMetadata dependency, BuildableModuleVersionListingResolveResult result) {
result.failed(new ModuleVersionResolveException(dependency.getRequested(), String.format("No cached version listing for %s available for offline mode.", dependency.getRequested())));
}
@Override
public void resolveComponentMetaData(ModuleComponentIdentifier moduleComponentIdentifier, ComponentOverrideMetadata requestMetaData, BuildableModuleComponentMetaDataResolveResult result) {
result.failed(new ModuleVersionResolveException(moduleComponentIdentifier, String.format("No cached version of %s available for offline mode.", moduleComponentIdentifier.getDisplayName())));
}
@Override
public void resolveArtifactsWithType(ComponentResolveMetadata component, ArtifactType artifactType, BuildableArtifactSetResolveResult result) {
result.failed(new ArtifactResolveException(component.getComponentId(), "No cached version available for offline mode"));
}
@Override
public void resolveArtifacts(ComponentResolveMetadata component, BuildableComponentArtifactsResolveResult result) {
result.failed(new ArtifactResolveException(component.getComponentId(), "No cached version available for offline mode"));
}
@Override
public void resolveArtifact(ComponentArtifactMetadata artifact, ModuleSource moduleSource, BuildableArtifactResolveResult result) {
result.failed(new ArtifactResolveException(artifact.getId(), "No cached version available for offline mode"));
}
@Override
public MetadataFetchingCost estimateMetadataFetchingCost(ModuleComponentIdentifier moduleComponentIdentifier) {
return MetadataFetchingCost.CHEAP;
}
}
public ExternalResourceCachePolicy overrideExternalResourceCachePolicy(ExternalResourceCachePolicy original) {
if (startParameter.isOffline()) {
return new ExternalResourceCachePolicy() {
@Override
public boolean mustRefreshExternalResource(long ageMillis) {
return false;
}
};
}
return original;
}
public ExternalResourceConnector overrideExternalResourceConnnector(ExternalResourceConnector original) {
if (startParameter.isOffline()) {
return new OfflineExternalResourceConnector();
}
return original;
}
private static class OfflineExternalResourceConnector implements ExternalResourceConnector {
@Nullable
@Override
public ExternalResourceReadResponse openResource(URI location, boolean revalidate) throws ResourceException {
throw offlineResource(location);
}
@Nullable
@Override
public ExternalResourceMetaData getMetaData(URI location, boolean revalidate) throws ResourceException {
throw offlineResource(location);
}
@Nullable
@Override
public List<String> list(URI parent) throws ResourceException {
throw offlineResource(parent);
}
@Override
public void upload(LocalResource resource, URI destination) throws IOException {
throw new ResourceException(destination, String.format("Cannot upload to '%s' in offline mode.", destination));
}
private ResourceException offlineResource(URI source) {
return new ResourceException(source, String.format("No cached resource '%s' available for offline mode.", source));
}
}
}