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WorkspaceLoader.java
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WorkspaceLoader.java
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package io.quarkus.bootstrap.resolver.maven.workspace;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.NoSuchFileException;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import org.apache.maven.model.Model;
import org.apache.maven.model.Parent;
import org.apache.maven.model.Profile;
import org.apache.maven.model.building.DefaultModelBuildingRequest;
import org.apache.maven.model.building.ModelBuilder;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelCache;
import org.apache.maven.model.resolution.ModelResolver;
import org.apache.maven.model.resolution.UnresolvableModelException;
import org.apache.maven.model.resolution.WorkspaceModelResolver;
import org.jboss.logging.Logger;
import io.quarkus.bootstrap.resolver.maven.BootstrapMavenContext;
import io.quarkus.bootstrap.resolver.maven.BootstrapMavenException;
import io.quarkus.bootstrap.resolver.maven.BootstrapModelBuilderFactory;
import io.quarkus.bootstrap.resolver.maven.BootstrapModelResolver;
import io.quarkus.bootstrap.resolver.maven.options.BootstrapMavenOptions;
public class WorkspaceLoader implements WorkspaceModelResolver {
private static final Logger log = Logger.getLogger(WorkspaceLoader.class);
private static final String POM_XML = "pom.xml";
static final Model readModel(Path pom) throws BootstrapMavenException {
try {
final Model model = ModelUtils.readModel(pom);
model.setPomFile(pom.toFile());
return model;
} catch (NoSuchFileException e) {
// some projects may be missing pom.xml relying on Maven extensions (e.g. tycho-maven-plugin) to build them,
// which we don't support in this workspace loader
log.warn("Module(s) under " + pom.getParent() + " will be handled as thirdparty dependencies because " + pom
+ " does not exist");
return null;
} catch (IOException e) {
throw new BootstrapMavenException("Failed to read " + pom, e);
}
}
static Path locateCurrentProjectPom(Path path, boolean required) throws BootstrapMavenException {
Path p = path;
while (p != null) {
final Path pom = p.resolve(POM_XML);
if (Files.exists(pom)) {
return pom;
}
p = p.getParent();
}
if (required) {
throw new BootstrapMavenException("Failed to locate project pom.xml for " + path);
}
return null;
}
private final LocalWorkspace workspace = new LocalWorkspace();
private final Map<Path, Model> rawModelCache = new HashMap<>();
private final Map<Path, LocalProject> projectCache = new HashMap<>();
private final Path currentProjectPom;
private Path workspaceRootPom;
private Function<Path, Model> modelProvider;
private ModelBuilder modelBuilder;
private ModelResolver modelResolver;
private ModelCache modelCache;
private List<String> activeProfileIds;
private List<String> inactiveProfileIds;
private List<Profile> profiles;
WorkspaceLoader(BootstrapMavenContext ctx, Path currentProjectPom, Function<Path, Model> modelProvider)
throws BootstrapMavenException {
this.modelProvider = modelProvider;
if (ctx != null && ctx.isEffectiveModelBuilder()) {
modelBuilder = BootstrapModelBuilderFactory.getDefaultModelBuilder();
modelResolver = BootstrapModelResolver.newInstance(ctx, workspace);
modelCache = new BootstrapModelCache(ctx.getRepositorySystemSession());
profiles = ctx.getActiveSettingsProfiles();
final BootstrapMavenOptions cliOptions = ctx.getCliOptions();
activeProfileIds = new ArrayList<>(profiles.size() + cliOptions.getActiveProfileIds().size());
for (Profile p : profiles) {
activeProfileIds.add(p.getId());
}
activeProfileIds.addAll(cliOptions.getActiveProfileIds());
inactiveProfileIds = cliOptions.getInactiveProfileIds();
}
workspace.setBootstrapMavenContext(ctx);
this.currentProjectPom = isPom(currentProjectPom) ? currentProjectPom
: locateCurrentProjectPom(currentProjectPom, true);
}
private boolean isPom(Path p) {
if (Files.exists(p) && !Files.isDirectory(p)) {
try {
rawModel(p);
return true;
} catch (BootstrapMavenException e) {
// not a POM file
}
}
return false;
}
private LocalProject project(Path pomFile) throws BootstrapMavenException {
final LocalProject project = projectCache.get(pomFile.getParent());
return project == null ? loadAndCacheProject(pomFile) : project;
}
private LocalProject loadAndCacheProject(Path pomFile) throws BootstrapMavenException {
Model cachedRawModel = rawModelCache.getOrDefault(pomFile.getParent(),
modelProvider == null ? null : modelProvider.apply(pomFile.getParent()));
final LocalProject project;
if (modelBuilder != null) {
ModelBuildingRequest req = new DefaultModelBuildingRequest();
req.setPomFile(pomFile.toFile());
req.setModelResolver(modelResolver);
req.setSystemProperties(System.getProperties());
req.setUserProperties(System.getProperties());
req.setModelCache(modelCache);
req.setActiveProfileIds(activeProfileIds);
req.setInactiveProfileIds(inactiveProfileIds);
req.setProfiles(profiles);
req.setRawModel(cachedRawModel);
req.setWorkspaceModelResolver(this);
try {
project = new LocalProject(modelBuilder.build(req), workspace);
} catch (Exception e) {
throw new BootstrapMavenException("Failed to resolve the effective model for " + pomFile, e);
}
} else if (cachedRawModel != null) {
project = new LocalProject(cachedRawModel, workspace);
} else {
Model model = readModel(pomFile);
if (model == null) {
return null;
}
project = new LocalProject(model, workspace);
}
projectCache.put(pomFile.getParent(), project);
return project;
}
private Model rawModel(Path pomFile) throws BootstrapMavenException {
Model rawModel = rawModelCache.getOrDefault(pomFile.getParent(),
modelProvider == null ? null : modelProvider.apply(pomFile.getParent()));
if (rawModel == null) {
rawModel = readModel(pomFile);
}
rawModelCache.put(pomFile.getParent(), rawModel);
return rawModel;
}
void setWorkspaceRootPom(Path rootPom) {
this.workspaceRootPom = rootPom;
}
private LocalProject loadProject(final Path projectPom, String skipModule) throws BootstrapMavenException {
final Model rawModel = rawModel(projectPom);
final Path parentPom = getParentPom(projectPom, rawModel);
final LocalProject parentProject = parentPom == null || rawModelCache.containsKey(parentPom.getParent()) ? null
: loadProject(parentPom, parentPom.getParent().relativize(projectPom.getParent()).toString());
final LocalProject project = project(projectPom);
if (project == null) {
return null;
}
if (parentProject != null) {
parentProject.modules.add(project);
}
loadProjectModules(project, skipModule);
return project;
}
private Path getParentPom(Path projectPom, Model rawModel) {
Path parentPom = null;
final Path projectDir = projectPom.getParent();
final Parent parent = rawModel.getParent();
if (parent != null && parent.getRelativePath() != null && !parent.getRelativePath().isEmpty()) {
parentPom = projectDir.resolve(parent.getRelativePath()).normalize();
if (Files.isDirectory(parentPom)) {
parentPom = parentPom.resolve(POM_XML);
}
} else {
final Path parentDir = projectDir.getParent();
if (parentDir != null) {
parentPom = parentDir.resolve(POM_XML);
}
}
return parentPom != null && Files.exists(parentPom) ? parentPom : null;
}
private LocalProject loadProjectModules(LocalProject project, String skipModule) throws BootstrapMavenException {
final List<String> modules = project.getModelBuildingResult() == null ? project.getRawModel().getModules()
: project.getModelBuildingResult().getEffectiveModel().getModules();
if (!modules.isEmpty()) {
for (String module : modules) {
if (module.equals(skipModule)) {
continue;
}
final LocalProject childProject = project(project.getDir().resolve(module).resolve(POM_XML));
if (childProject != null) {
project.modules.add(loadProjectModules(childProject, null));
}
}
}
return project;
}
LocalProject load() throws BootstrapMavenException {
if (workspaceRootPom != null) {
loadProject(workspaceRootPom, null);
}
LocalProject currentProject = projectCache.get(currentProjectPom.getParent());
if (currentProject == null) {
currentProject = loadProject(currentProjectPom, null);
}
if (workspace != null) {
workspace.setCurrentProject(currentProject);
}
return currentProject;
}
@Override
public Model resolveRawModel(String groupId, String artifactId, String versionConstraint)
throws UnresolvableModelException {
final LocalProject project = workspace.getProject(groupId, artifactId);
// we are comparing the raw version here because in case of a CI-friendly version (e.g. ${revision}) the versionConstraint will be an expression
return project != null && ModelUtils.getRawVersion(project.getRawModel()).equals(versionConstraint)
? project.getRawModel()
: null;
}
@Override
public Model resolveEffectiveModel(String groupId, String artifactId, String versionConstraint)
throws UnresolvableModelException {
final LocalProject project = workspace.getProject(groupId, artifactId);
return project != null && project.getVersion().equals(versionConstraint)
? project.getModelBuildingResult().getEffectiveModel()
: null;
}
}