sdedic commented on code in PR #7655: URL: https://github.com/apache/netbeans/pull/7655#discussion_r1720770061
########## java/maven/src/org/netbeans/modules/maven/queries/MavenReloadImplementation.java: ########## @@ -0,0 +1,261 @@ +/* + * 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.netbeans.modules.maven.queries; + +import java.beans.PropertyChangeEvent; +import java.beans.PropertyChangeListener; +import java.io.File; +import java.lang.ref.Reference; +import java.lang.ref.WeakReference; +import java.util.ArrayDeque; +import java.util.Collection; +import java.util.HashSet; +import java.util.Set; +import java.util.concurrent.CompletableFuture; +import org.apache.maven.artifact.Artifact; +import org.apache.maven.execution.MavenExecutionRequest; +import org.apache.maven.project.MavenProject; +import org.netbeans.api.project.FileOwnerQuery; +import org.netbeans.api.project.Project; +import org.netbeans.modules.maven.NbMavenProjectImpl; +import org.netbeans.modules.maven.api.NbMavenProject; +import org.netbeans.modules.maven.embedder.EmbedderFactory; +import org.netbeans.modules.maven.modelcache.MavenProjectCache; +import org.netbeans.modules.project.dependency.ProjectReload; +import org.netbeans.modules.project.dependency.ProjectReload.StateRequest; +import org.netbeans.modules.project.dependency.spi.ProjectReloadImplementation; +import org.netbeans.spi.project.LookupProvider; +import org.netbeans.spi.project.ProjectServiceProvider; +import org.openide.filesystems.FileObject; +import org.openide.filesystems.FileUtil; +import org.openide.util.NbBundle; +import org.openide.util.RequestProcessor; +import org.openide.util.Task; +import org.openide.util.TaskListener; +import org.openide.util.WeakListeners; +import org.openide.util.lookup.Lookups; + +/** + * Basic maven implementation. It uses Maven internal API to load or force-reload the project to + * get MavenProject instance. Hooks to PROP_PROJECT change event and invalidates last-known state. + * @author sdedic + */ +@ProjectServiceProvider(service = ProjectReloadImplementation.class, projectTypes = { + @LookupProvider.Registration.ProjectType(id = NbMavenProject.TYPE, position = 10000) + +}) +public class MavenReloadImplementation implements ProjectReloadImplementation, PropertyChangeListener { + private final Project project; + private volatile Reference<ProjectStateData> lastData = new WeakReference<>(null); + + + public MavenReloadImplementation(Project project) { + this.project = project; + NbMavenProject.addPropertyChangeListener(project, + WeakListeners.propertyChange(this, project) + ); + } + + @Override + public void propertyChange(PropertyChangeEvent evt) { + if (evt.getPropertyName() == null) { + return; + } + ProjectStateData st = lastData.get(); + if (st == null) { + return; + } + if (NbMavenProject.PROP_PROJECT.equals(evt.getPropertyName())) { + st.fireChanged(true, false); + } + } + + /** + * Returns project metadata files. If 'forReload' is false, it just returns project's + * pom.xml file. If the 'forReload' is true, it will return all the settings and + * referenced parent project's files. + * + * @param forReload + * @return + */ + public Set<FileObject> findProjectFiles() { + NbMavenProject p = project.getLookup().lookup(NbMavenProject.class); + return findProjectFiles0(p.getMavenProject()); + } + + Set<FileObject> findProjectFiles0(MavenProject mp) { + File pomFile = mp.getFile(); + Set<FileObject> fileSet = new HashSet<>(); + fileSet.add(FileUtil.toFileObject(pomFile)); + + MavenExecutionRequest rq = EmbedderFactory.getProjectEmbedder().createMavenExecutionRequest(); + File userSettings = rq.getUserSettingsFile(); + File toolchains = rq.getGlobalToolchainsFile(); + File globalSettings = rq.getGlobalSettingsFile(); + if (userSettings != null && userSettings.exists()) { + fileSet.add(FileUtil.toFileObject(userSettings)); + } + if (toolchains != null && toolchains.exists()) { + fileSet.add(FileUtil.toFileObject(toolchains)); + } + if (globalSettings != null && globalSettings.exists()) { + fileSet.add(FileUtil.toFileObject(globalSettings)); + } + + Set<Artifact> processed = new HashSet<>(); + ArrayDeque<Artifact> toProcess = new ArrayDeque<>(); + Artifact a = mp.getParentArtifact(); + if (a != null) { + toProcess.add(a); + } + toProcess.addAll(mp.getArtifacts()); + + while ((a = toProcess.poll()) != null) { + if (!processed.add(a)) { + continue; + } + File pom = MavenFileOwnerQueryImpl.getInstance().getOwnerPOM(a.getGroupId(), a.getArtifactId(), a.getVersion()); + if (pom != null) { + Project parentOwner = FileOwnerQuery.getOwner(FileUtil.toFileObject(pom)); + // can't call getProjectState, since that may block + FileObject parentPom = parentOwner.getProjectDirectory().getFileObject("pom.xml"); + if (parentPom != null) { + fileSet.add(parentPom); + } + NbMavenProject p2 = project.getLookup().lookup(NbMavenProject.class); + a = p2.getMavenProject().getParentArtifact(); + if (a != null) { + toProcess.add(a); + } + toProcess.addAll(p2.getMavenProject().getArtifacts()); + } + } + return fileSet; + } + + private static class CF extends CompletableFuture<ProjectStateData<MavenProject>> {} + + static ProjectReload.Quality getProjectQuality(MavenProject mp) { + if (MavenProjectCache.isFallbackproject(mp)) { + // could not load at all. + MavenProject fallback = MavenProjectCache.getPartialProject(mp); + return fallback != null ? + ProjectReload.Quality.BROKEN: + ProjectReload.Quality.NONE; + } + if (!MavenProjectCache.getFakedArtifacts(mp).isEmpty()) { + return ProjectReload.Quality.LOADED; + } + return ProjectReload.Quality.RESOLVED; + } + + private ProjectStateData createStateData(MavenProject mp) { + ProjectStateData d; + + ProjectStateBuilder builder = ProjectStateData.builder(getProjectQuality(mp)). + files(findProjectFiles()). + timestamp(MavenProjectCache.getLoadTimestamp(mp)); + builder.data(mp); + builder.attachLookup(Lookups.fixed(mp)); + d = builder.build(); + synchronized (this) { + ProjectStateData d2 = lastData.get(); + if (d2 != null) { + if (d2.getProjectData() == mp) { + return d2; + } + d2.fireChanged(true, false); + } + lastData = new WeakReference<>(d); + } + return d; + } + + @NbBundle.Messages({ + "# {0} - project name", + "ERR_UnprimedInOfflineMode=Priming build for {0} is required, but offline operation was requested.", + "# {0} - project name", + "# {1} - parent gav", + "ERR_ParentPomMissing=Project {0} is missing its parent artifact ({1}) is missing and offline operation was requesed" Review Comment: fixed in 4c091822130a -- This is an automated message from the Apache Git Service. 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