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EclipseWorkspaceArtifactRepository.java
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EclipseWorkspaceArtifactRepository.java
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/*******************************************************************************
* Copyright (c) 2008-2010 Sonatype, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.core.internal.project.registry;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.repository.WorkspaceReader;
import org.eclipse.aether.repository.WorkspaceRepository;
import org.eclipse.aether.util.version.GenericVersionScheme;
import org.eclipse.aether.version.InvalidVersionSpecificationException;
import org.eclipse.aether.version.Version;
import org.eclipse.aether.version.VersionConstraint;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.apache.maven.repository.LocalArtifactRepository;
import org.eclipse.m2e.core.MavenPlugin;
import org.eclipse.m2e.core.embedder.ArtifactKey;
import org.eclipse.m2e.core.project.IWorkspaceClassifierResolver;
public final class EclipseWorkspaceArtifactRepository extends LocalArtifactRepository implements WorkspaceReader {
private static final String POM_EXTENSION = "pom"; //$NON-NLS-1$
private static final GenericVersionScheme versionScheme = new GenericVersionScheme();
private final transient ProjectRegistryManager.Context context;
private static final ThreadLocal<Boolean> disabled = new ThreadLocal<>();
private final WorkspaceRepository workspaceRepository;
public EclipseWorkspaceArtifactRepository(ProjectRegistryManager.Context context) {
this.context = context;
this.workspaceRepository = new WorkspaceRepository("ide", getClass()); //$NON-NLS-1$
}
protected File resolveAsEclipseProject(String groupId, String artifactId, String baseVersion, String classifier,
String extension) {
if(isDisabled()) {
return null;
}
if(context == null) { // XXX this is actually a bug
return null;
}
// check in the workspace, note that workspace artifacts never have classifiers
IFile pom = getWorkspaceArtifact(groupId, artifactId, baseVersion);
if(pom == null || !pom.isAccessible()) {
return null;
}
if(context.pom != null && pom.equals(context.pom) && !POM_EXTENSION.equals(extension)) {
return null;
}
if(context.resolverConfiguration.isResolveWorkspaceProjects()) {
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
IPath file = pom.getLocation();
if(file == null) {
return ProjectRegistryManager.toJavaIoFile(pom);
}
if(!POM_EXTENSION.equals(extension)) {
MavenProjectFacade facade = context.state.getProjectFacade(pom);
IWorkspaceClassifierResolver resolver = MavenPlugin.getWorkspaceClassifierResolverManager().getResolver();
IPath location = resolver.resolveClassifier(facade, classifier);
if(location == null) {
location = facade.getOutputLocation();
}
if(location != null) {
IResource res = root.findMember(location);
if(res != null) {
file = res.getLocation();
}
}
}
return file.toFile();
}
return null;
}
private IFile getWorkspaceArtifact(String groupId, String artifactId, String version) {
Map<ArtifactKey, Collection<IFile>> workspaceArtifacts = context.state.getWorkspaceArtifacts(groupId, artifactId);
if(workspaceArtifacts.isEmpty()) {
return null;
}
VersionConstraint constraint;
try {
constraint = versionScheme.parseVersionConstraint(version);
} catch(InvalidVersionSpecificationException e) {
return null; // broken version range spec does not match anything
}
TreeMap<Version, ArtifactKey> matchingArtifacts = new TreeMap<>();
// in vast majority of cases there will be single workspace artifact with matching groupId and artifactId
for(ArtifactKey workspaceArtifact : workspaceArtifacts.keySet()) {
try {
Version workspaceVersion = versionScheme.parseVersion(workspaceArtifact.version());
if(constraint.containsVersion(workspaceVersion)) {
matchingArtifacts.put(workspaceVersion, workspaceArtifact);
}
} catch(InvalidVersionSpecificationException e) {
// this can't happen with GenericVersionScheme
}
}
if(matchingArtifacts.isEmpty()) {
return null;
}
ArtifactKey matchingArtifact = matchingArtifacts.values().iterator().next();
return workspaceArtifacts.get(matchingArtifact).iterator().next();
}
@Override
public File findArtifact(Artifact artifact) {
return resolveAsEclipseProject(artifact.getGroupId(), artifact.getArtifactId(), artifact.getBaseVersion(),
artifact.getClassifier(), artifact.getExtension());
}
@Override
public org.apache.maven.artifact.Artifact find(org.apache.maven.artifact.Artifact artifact) {
File file = resolveAsEclipseProject(artifact.getGroupId(), artifact.getArtifactId(), artifact.getBaseVersion(),
artifact.getClassifier(), artifact.getType());
if(file != null) {
artifact.setFile(file);
artifact.setResolved(true);
}
return artifact;
}
@Override
public boolean hasLocalMetadata() {
return false; // XXX
}
public interface Disabled extends AutoCloseable {
@Override
void close();
}
public static Disabled setDisabled() {
boolean isDisabled = isDisabled();
disabled.set(true);
return () -> disabled.set(isDisabled);
}
public static boolean isDisabled() {
return Boolean.TRUE.equals(disabled.get());
}
@Override
public int hashCode() {
return 0; // no state
}
@Override
public boolean equals(Object obj) {
return obj instanceof EclipseWorkspaceArtifactRepository;
}
@Override
public List<String> findVersions(Artifact artifact) {
return findVersions(artifact.getGroupId(), artifact.getArtifactId());
}
@Override
public List<String> findVersions(org.apache.maven.artifact.Artifact artifact) {
return findVersions(artifact.getGroupId(), artifact.getArtifactId());
}
private List<String> findVersions(String groupId, String artifactId) {
ArrayList<String> versions = new ArrayList<>();
if(isDisabled()) {
return versions;
}
if(context == null) { // XXX this is actually a bug
return versions;
}
for(MavenProjectFacade facade : context.state.getProjects()) {
ArtifactKey artifactKey = facade.getArtifactKey();
if(groupId.equals(artifactKey.groupId()) && artifactId.equals(artifactKey.artifactId())) {
versions.add(artifactKey.version());
}
}
return versions;
}
@Override
public WorkspaceRepository getRepository() {
return workspaceRepository;
}
}