org.eclipse.capra.handler.jdt.JavaElementHandler.java Source code

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Here is the source code for org.eclipse.capra.handler.jdt.JavaElementHandler.java

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/*******************************************************************************
 * Copyright (c) 2016 Chalmers | University of Gothenburg, rt-labs 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:
 *      Chalmers | University of Gothenburg and rt-labs - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.eclipse.capra.handler.jdt;

import org.eclipse.capra.core.CapraException;
import org.eclipse.capra.core.adapters.ArtifactMetaModelAdapter;
import org.eclipse.capra.core.handlers.AbstractArtifactHandler;
import org.eclipse.capra.core.util.ExtensionPointUtil;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.ui.internal.WorkingSet;

/**
 * A handler to allow creating traces to and from java elements such as classes
 * and methods based on JDT.
 */
@SuppressWarnings("restriction")
public class JavaElementHandler extends AbstractArtifactHandler {

    @Override
    public boolean canHandleSelection(Object selection) {
        if (selection instanceof IJavaElement) {
            return true;
        } else if (selection instanceof WorkingSet) {
            return true;
        }

        return false;
    }

    @Override
    public IJavaElement resolveArtifact(EObject artifact) throws CapraException {
        ArtifactMetaModelAdapter adapter = ExtensionPointUtil.getArtifactWrapperMetaModelAdapter();
        String uri = adapter.getArtifactUri(artifact);
        return JavaCore.create(uri);
    }

    @Override
    public String getName(Object selection) {
        if (selection instanceof IJavaElement) {
            IJavaElement cu = (IJavaElement) selection;
            return cu.getElementName();
        } else if (selection instanceof WorkingSet) {
            WorkingSet ws = (WorkingSet) selection;
            return ws.getName();
        }

        return "";
    }

    @Override
    public String getURI(Object selection) {
        if (selection instanceof IJavaElement) {
            IJavaElement cu = (IJavaElement) selection;
            return cu.getHandleIdentifier();
        } else if (selection instanceof WorkingSet) {
            WorkingSet ws = (WorkingSet) selection;
            return ws.getId();
        }

        return "";
    }

}