org.jboss.tools.maven.springboot.configurators.MavenUtils.java Source code

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Here is the source code for org.jboss.tools.maven.springboot.configurators.MavenUtils.java

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/*************************************************************************************
 * Copyright (c) 2018 Red Hat, Inc. and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     JBoss by Red Hat - Initial implementation.
 ************************************************************************************/
package org.jboss.tools.maven.springboot.configurators;

import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.project.MavenProject;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.m2e.core.project.IMavenProjectFacade;
import org.eclipse.m2e.core.project.IMavenProjectRegistry;
import org.eclipse.osgi.util.NLS;

public class MavenUtils {

    private static final String PACKAGING_JAR = "jar";

    private MavenUtils() {
    }

    /**
     * Returns {@code true} if the given project has the java nature.
     * 
     * @param project
     * @return
     * @throws CoreException
     */
    public static boolean hasJavaNature(IProject project) throws CoreException {
        return project.getNature(JavaCore.NATURE_ID) != null;
    }

    public static boolean isJarPackaginging(String packaging) {
        return PACKAGING_JAR.equals(packaging);
    }

    public static boolean isDeployableScope(String scope) {
        return Artifact.SCOPE_COMPILE.equals(scope)
                //MNGECLIPSE-1578 Runtime dependencies should be deployed 
                || Artifact.SCOPE_RUNTIME.equals(scope);
    }

    /**
     * Returns the maven dependencies that exists in the workspace for the given
     * maven project facade and project registry.
     * 
     * @param mavenProject
     * @param projectRegistry
     * @param monitor
     * @return
     */
    public static List<IMavenProjectFacade> getWorkspaceDependencies(MavenProject mavenProject, IProject project,
            IMavenProjectRegistry projectRegistry, IProgressMonitor monitor) {
        SubMonitor subMonitor = SubMonitor.convert(monitor);
        subMonitor.beginTask(NLS.bind("Looking for workspace dependencies for project {0}", project.getName()), 1);
        try {
            return mavenProject.getArtifacts().stream()
                    .filter(artifact -> MavenUtils.isDeployableScope(artifact.getScope())).map(artifact -> {
                        IMavenProjectFacade dependency = projectRegistry.getMavenProject(artifact.getGroupId(),
                                artifact.getArtifactId(), artifact.getVersion());
                        if (dependency != null && !dependency.getProject().equals(project)
                                && dependency.getFullPath(artifact.getFile()) != null) {
                            return dependency;
                        } else {
                            return null;
                        }
                    }).filter(Objects::nonNull).distinct().collect(Collectors.toList());
        } finally {
            subMonitor.done();
        }
    }
}