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/*******************************************************************************
* Copyright (c) 2008-2018 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.jdt.internal;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.m2e.core.MavenPlugin;
import org.eclipse.m2e.core.embedder.ArtifactKey;
import org.eclipse.m2e.core.project.IMavenProjectFacade;
import org.eclipse.m2e.core.project.IMavenProjectRegistry;
import org.eclipse.m2e.jdt.MavenJdtPlugin;
/**
* Adapter factory for Java elements
*
* @author Igor Fedorenko
* @author Eugene Kuleshov
* @author Miles Parker (Split out into JavaUiElementsAdapterFactory)
*/
public class JavaElementsAdapterFactory implements IAdapterFactory {
private static final Logger log = LoggerFactory.getLogger(JavaElementsAdapterFactory.class);
private static final Class<?>[] ADAPTER_LIST = new Class[] {ArtifactKey.class, IPath.class,
IMavenProjectFacade.class};
public Class<?>[] getAdapterList() {
return ADAPTER_LIST;
}
public <T> T getAdapter(Object adaptableObject, Class<T> adapterType) {
if(adapterType == ArtifactKey.class) {
if(adaptableObject instanceof IPackageFragmentRoot) {
IPackageFragmentRoot fragment = (IPackageFragmentRoot) adaptableObject;
IProject project = fragment.getJavaProject().getProject();
if(project.isAccessible() && fragment.isArchive()) {
try {
return adapterType.cast(getBuildPathManager().findArtifact(project, fragment.getPath()));
} catch(CoreException ex) {
log.error("Can't find artifact for " + fragment, ex);
return null;
}
}
} else if(adaptableObject instanceof IJavaProject) {
return adapterType.cast(((IJavaProject) adaptableObject).getProject().getAdapter(ArtifactKey.class));
}
} else if(adapterType == IPath.class) {
if(adaptableObject instanceof IJavaElement) {
IResource resource = ((IJavaElement) adaptableObject).getResource();
if(resource != null) {
return adapterType.cast(resource.getLocation());
}
}
} else if(adapterType == IMavenProjectFacade.class) {
if(adaptableObject instanceof IJavaElement) {
IProject project = ((IJavaElement) adaptableObject).getJavaProject().getProject();
IMavenProjectFacade projectFacade = getProjectFacade(project);
if(projectFacade != null) {
return adapterType.cast(projectFacade);
}
}
}
return null;
}
private BuildPathManager getBuildPathManager() {
return (BuildPathManager) MavenJdtPlugin.getDefault().getBuildpathManager();
}
private IMavenProjectFacade getProjectFacade(IProject project) {
IMavenProjectRegistry projectManager = MavenPlugin.getMavenProjectRegistry();
return projectManager.create(project, new NullProgressMonitor());
}
}
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