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org.eclipse.aether.internal.impl.DefaultInstaller Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.eclipse.aether.internal.impl;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import java.io.File;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.IdentityHashMap;
import java.util.List;
import java.util.ListIterator;
import java.util.Set;
import org.eclipse.aether.RepositoryEvent;
import org.eclipse.aether.RepositoryEvent.EventType;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.RequestTrace;
import org.eclipse.aether.SyncContext;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.impl.Installer;
import org.eclipse.aether.impl.MetadataGenerator;
import org.eclipse.aether.impl.MetadataGeneratorFactory;
import org.eclipse.aether.impl.RepositoryEventDispatcher;
import org.eclipse.aether.installation.InstallRequest;
import org.eclipse.aether.installation.InstallResult;
import org.eclipse.aether.installation.InstallationException;
import org.eclipse.aether.metadata.MergeableMetadata;
import org.eclipse.aether.metadata.Metadata;
import org.eclipse.aether.repository.LocalArtifactRegistration;
import org.eclipse.aether.repository.LocalMetadataRegistration;
import org.eclipse.aether.repository.LocalRepositoryManager;
import org.eclipse.aether.spi.io.FileProcessor;
import org.eclipse.aether.spi.locator.Service;
import org.eclipse.aether.spi.locator.ServiceLocator;
import org.eclipse.aether.spi.synccontext.SyncContextFactory;
import org.eclipse.aether.transform.FileTransformer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static java.util.Objects.requireNonNull;
/**
*/
@Singleton
@Named
public class DefaultInstaller implements Installer, Service {
private static final Logger LOGGER = LoggerFactory.getLogger(DefaultInstaller.class);
private FileProcessor fileProcessor;
private RepositoryEventDispatcher repositoryEventDispatcher;
private Collection metadataFactories = new ArrayList<>();
private SyncContextFactory syncContextFactory;
@Deprecated
public DefaultInstaller() {
// enables default constructor
}
@Inject
public DefaultInstaller(
FileProcessor fileProcessor,
RepositoryEventDispatcher repositoryEventDispatcher,
Set metadataFactories,
SyncContextFactory syncContextFactory) {
setFileProcessor(fileProcessor);
setRepositoryEventDispatcher(repositoryEventDispatcher);
setMetadataGeneratorFactories(metadataFactories);
setSyncContextFactory(syncContextFactory);
}
public void initService(ServiceLocator locator) {
setFileProcessor(locator.getService(FileProcessor.class));
setRepositoryEventDispatcher(locator.getService(RepositoryEventDispatcher.class));
setMetadataGeneratorFactories(locator.getServices(MetadataGeneratorFactory.class));
setSyncContextFactory(locator.getService(SyncContextFactory.class));
}
public DefaultInstaller setFileProcessor(FileProcessor fileProcessor) {
this.fileProcessor = requireNonNull(fileProcessor, "file processor cannot be null");
return this;
}
public DefaultInstaller setRepositoryEventDispatcher(RepositoryEventDispatcher repositoryEventDispatcher) {
this.repositoryEventDispatcher =
requireNonNull(repositoryEventDispatcher, "repository event dispatcher cannot be null");
return this;
}
public DefaultInstaller addMetadataGeneratorFactory(MetadataGeneratorFactory factory) {
metadataFactories.add(requireNonNull(factory, "metadata generator factory cannot be null"));
return this;
}
public DefaultInstaller setMetadataGeneratorFactories(Collection metadataFactories) {
if (metadataFactories == null) {
this.metadataFactories = new ArrayList<>();
} else {
this.metadataFactories = metadataFactories;
}
return this;
}
public DefaultInstaller setSyncContextFactory(SyncContextFactory syncContextFactory) {
this.syncContextFactory = requireNonNull(syncContextFactory, "sync context factory cannot be null");
return this;
}
public InstallResult install(RepositorySystemSession session, InstallRequest request) throws InstallationException {
requireNonNull(session, "session cannot be null");
requireNonNull(request, "request cannot be null");
try (SyncContext syncContext = syncContextFactory.newInstance(session, false)) {
return install(syncContext, session, request);
}
}
private InstallResult install(SyncContext syncContext, RepositorySystemSession session, InstallRequest request)
throws InstallationException {
InstallResult result = new InstallResult(request);
RequestTrace trace = RequestTrace.newChild(request.getTrace(), request);
List generators = getMetadataGenerators(session, request);
List artifacts = new ArrayList<>(request.getArtifacts());
IdentityHashMap processedMetadata = new IdentityHashMap<>();
List metadatas = Utils.prepareMetadata(generators, artifacts);
syncContext.acquire(artifacts, Utils.combine(request.getMetadata(), metadatas));
for (Metadata metadata : metadatas) {
install(session, trace, metadata);
processedMetadata.put(metadata, null);
result.addMetadata(metadata);
}
for (ListIterator iterator = artifacts.listIterator(); iterator.hasNext(); ) {
Artifact artifact = iterator.next();
for (MetadataGenerator generator : generators) {
artifact = generator.transformArtifact(artifact);
}
iterator.set(artifact);
install(session, trace, artifact);
result.addArtifact(artifact);
}
metadatas = Utils.finishMetadata(generators, artifacts);
syncContext.acquire(null, metadatas);
for (Metadata metadata : metadatas) {
install(session, trace, metadata);
processedMetadata.put(metadata, null);
result.addMetadata(metadata);
}
for (Metadata metadata : request.getMetadata()) {
if (!processedMetadata.containsKey(metadata)) {
install(session, trace, metadata);
result.addMetadata(metadata);
}
}
return result;
}
private List getMetadataGenerators(
RepositorySystemSession session, InstallRequest request) {
PrioritizedComponents factories =
Utils.sortMetadataGeneratorFactories(session, this.metadataFactories);
List generators = new ArrayList<>();
for (PrioritizedComponent factory : factories.getEnabled()) {
MetadataGenerator generator = factory.getComponent().newInstance(session, request);
if (generator != null) {
generators.add(generator);
}
}
return generators;
}
private void install(RepositorySystemSession session, RequestTrace trace, Artifact artifact)
throws InstallationException {
LocalRepositoryManager lrm = session.getLocalRepositoryManager();
File srcFile = artifact.getFile();
Collection fileTransformers =
session.getFileTransformerManager().getTransformersForArtifact(artifact);
if (fileTransformers.isEmpty()) {
install(session, trace, artifact, lrm, srcFile, null);
} else {
for (FileTransformer fileTransformer : fileTransformers) {
install(session, trace, artifact, lrm, srcFile, fileTransformer);
}
}
}
private void install(
RepositorySystemSession session,
RequestTrace trace,
Artifact artifact,
LocalRepositoryManager lrm,
File srcFile,
FileTransformer fileTransformer)
throws InstallationException {
final Artifact targetArtifact;
if (fileTransformer != null) {
targetArtifact = fileTransformer.transformArtifact(artifact);
} else {
targetArtifact = artifact;
}
File dstFile = new File(lrm.getRepository().getBasedir(), lrm.getPathForLocalArtifact(targetArtifact));
artifactInstalling(session, trace, targetArtifact, dstFile);
Exception exception = null;
try {
if (dstFile.equals(srcFile)) {
throw new IllegalStateException("cannot install " + dstFile + " to same path");
}
boolean copy = "pom".equals(targetArtifact.getExtension())
|| srcFile.lastModified() != dstFile.lastModified()
|| srcFile.length() != dstFile.length()
|| !srcFile.exists();
if (!copy) {
LOGGER.debug("Skipped re-installing {} to {}, seems unchanged", srcFile, dstFile);
} else if (fileTransformer != null) {
try (InputStream is = fileTransformer.transformData(srcFile)) {
fileProcessor.write(dstFile, is);
dstFile.setLastModified(srcFile.lastModified());
}
} else {
fileProcessor.copy(srcFile, dstFile);
dstFile.setLastModified(srcFile.lastModified());
}
lrm.add(session, new LocalArtifactRegistration(targetArtifact));
} catch (Exception e) {
exception = e;
throw new InstallationException("Failed to install artifact " + targetArtifact + ": " + e.getMessage(), e);
} finally {
artifactInstalled(session, trace, targetArtifact, dstFile, exception);
}
}
private void install(RepositorySystemSession session, RequestTrace trace, Metadata metadata)
throws InstallationException {
LocalRepositoryManager lrm = session.getLocalRepositoryManager();
File dstFile = new File(lrm.getRepository().getBasedir(), lrm.getPathForLocalMetadata(metadata));
metadataInstalling(session, trace, metadata, dstFile);
Exception exception = null;
try {
if (metadata instanceof MergeableMetadata) {
((MergeableMetadata) metadata).merge(dstFile, dstFile);
} else {
if (dstFile.equals(metadata.getFile())) {
throw new IllegalStateException("cannot install " + dstFile + " to same path");
}
fileProcessor.copy(metadata.getFile(), dstFile);
}
lrm.add(session, new LocalMetadataRegistration(metadata));
} catch (Exception e) {
exception = e;
throw new InstallationException("Failed to install metadata " + metadata + ": " + e.getMessage(), e);
} finally {
metadataInstalled(session, trace, metadata, dstFile, exception);
}
}
private void artifactInstalling(
RepositorySystemSession session, RequestTrace trace, Artifact artifact, File dstFile) {
RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.ARTIFACT_INSTALLING);
event.setTrace(trace);
event.setArtifact(artifact);
event.setRepository(session.getLocalRepositoryManager().getRepository());
event.setFile(dstFile);
repositoryEventDispatcher.dispatch(event.build());
}
private void artifactInstalled(
RepositorySystemSession session, RequestTrace trace, Artifact artifact, File dstFile, Exception exception) {
RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.ARTIFACT_INSTALLED);
event.setTrace(trace);
event.setArtifact(artifact);
event.setRepository(session.getLocalRepositoryManager().getRepository());
event.setFile(dstFile);
event.setException(exception);
repositoryEventDispatcher.dispatch(event.build());
}
private void metadataInstalling(
RepositorySystemSession session, RequestTrace trace, Metadata metadata, File dstFile) {
RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.METADATA_INSTALLING);
event.setTrace(trace);
event.setMetadata(metadata);
event.setRepository(session.getLocalRepositoryManager().getRepository());
event.setFile(dstFile);
repositoryEventDispatcher.dispatch(event.build());
}
private void metadataInstalled(
RepositorySystemSession session, RequestTrace trace, Metadata metadata, File dstFile, Exception exception) {
RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.METADATA_INSTALLED);
event.setTrace(trace);
event.setMetadata(metadata);
event.setRepository(session.getLocalRepositoryManager().getRepository());
event.setFile(dstFile);
event.setException(exception);
repositoryEventDispatcher.dispatch(event.build());
}
}
