/*******************************************************************************
* Copyright (c) 2016 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.windup.model.domain;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.core.JavaProject;
import org.jboss.tools.windup.model.Activator;
import org.jboss.tools.windup.model.util.MavenUtil;
import org.jboss.tools.windup.windup.ConfigurationElement;
import org.jboss.tools.windup.windup.Input;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
/**
* Utility for working with ConfigurationElement's resources (projects and packages).
*/
@SuppressWarnings("restriction")
public class ConfigurationResourceUtil {
public static IProject[] getCurrentProjects(ConfigurationElement configuration) {
List<IProject> projects = Lists.newArrayList();
for (int i = 0; i < configuration.getInputs().size(); i++) {
Input input = configuration.getInputs().get(i);
IProject project = (IProject)WorkspaceResourceUtils.findResource(input.getUri());
if (project != null && project.exists() && project.isAccessible()) {
projects.add(project);
}
}
return projects.toArray(new IProject[projects.size()]);
}
public static IPackageFragment[] getCurrentPackages(ConfigurationElement configuration) {
IPackageFragment[] packages = new IPackageFragment[configuration.getPackages().size()];
for (int i = 0; i < configuration.getPackages().size(); i++) {
String aPackage = configuration.getPackages().get(i);
IResource resource = (IResource)WorkspaceResourceUtils.findResource(aPackage);
packages[i] = (IPackageFragment)JavaCore.create(resource);
}
return packages;
}
public static IPackageFragment[] computePackages(ConfigurationElement configuration) {
List<IPackageFragment> packages = Lists.newArrayList();
List<IPackageFragment> currentFragments = Lists.newArrayList(getCurrentPackages(configuration));
Set<IProject> projects = Sets.newHashSet(getCurrentProjects(configuration));
// Add all implicitly analyzed projects
for (IProject project : Lists.newArrayList(projects)) {
projects.addAll(MavenUtil.computeProjectInfo(project).getProjects().stream().map(info -> {
return info.getProject();
}).collect(Collectors.toList()));
}
for (IProject project : projects) {
JavaProject javaProject = (JavaProject)JavaCore.create(project);
try {
for (IPackageFragmentRoot root : javaProject.getPackageFragmentRoots()) {
if (root.getKind() == IPackageFragmentRoot.K_SOURCE) {
for (Object obj : root.getChildren()) {
if (obj instanceof IPackageFragment) {
IPackageFragment fragment = (IPackageFragment)obj;
if (fragment.hasChildren() && !currentFragments.contains(fragment)) {
packages.add(fragment);
}
}
}
}
}
} catch (JavaModelException e) {
Activator.log(e);
}
}
return packages.stream().toArray(IPackageFragment[]::new);
}
}