org.eclipse.modisco.java.discoverer.DiscoverJavaModelFromLibrary.java Source code

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Here is the source code for org.eclipse.modisco.java.discoverer.DiscoverJavaModelFromLibrary.java

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/*******************************************************************************
 * Copyright (c) 2009 Mia-Software.
 * 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:
 *    Sebastien Minguet (Mia-Software) - initial API and implementation
 *    Frederic Madiot (Mia-Software) - initial API and implementation
 *    Fabien Giquel (Mia-Software) - initial API and implementation
 *    Gabriel Barbier (Mia-Software) - initial API and implementation
 *    Erwan Breton (Sodifrance) - initial API and implementation
 *    Romain Dervaux (Mia-Software) - initial API and implementation
 *    Nicolas Bros (Mia-Software) - Bug 335003 - [Discoverer] : Existing Discoverers Refactoring based on new framework
 *******************************************************************************/

package org.eclipse.modisco.java.discoverer;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.common.util.URI;
import org.eclipse.gmt.modisco.infra.common.core.logging.MoDiscoLogger;
import org.eclipse.gmt.modisco.java.Model;
import org.eclipse.gmt.modisco.java.emf.JavaFactory;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.modisco.infra.discovery.core.AbstractModelDiscoverer;
import org.eclipse.modisco.infra.discovery.core.exception.DiscoveryException;
import org.eclipse.modisco.java.discoverer.internal.IModelReader;
import org.eclipse.modisco.java.discoverer.internal.JavaActivator;
import org.eclipse.modisco.java.discoverer.internal.io.library.LibraryReader;

/** Discover a Java model from a jar file. */
public class DiscoverJavaModelFromLibrary extends AbstractModelDiscoverer<IPackageFragmentRoot> {

    public static final String ID = "org.eclipse.modisco.java.discoverer.library"; //$NON-NLS-1$

    public boolean isApplicableTo(final IPackageFragmentRoot packageFragmentRoot) {
        try {
            return packageFragmentRoot.getKind() == IPackageFragmentRoot.K_BINARY;
        } catch (JavaModelException e) {
            MoDiscoLogger.logError(e, JavaActivator.getDefault());
            return false;
        }
    }

    protected static JavaFactory getEFactory() {
        return org.eclipse.gmt.modisco.java.emf.JavaFactory.eINSTANCE;
    }

    protected static LibraryReader getLibraryReader() {
        return new LibraryReader(getEFactory());
    }

    @Override
    protected void basicDiscoverElement(final IPackageFragmentRoot packageFragmentRoot,
            final IProgressMonitor monitor) throws DiscoveryException {

        final IJavaProject javaProject = packageFragmentRoot.getJavaProject();
        if (javaProject == null) {
            return;
        }
        IProject project = javaProject.getProject();

        setDefaultTargetURI(
                URI.createPlatformResourceURI(project.getFullPath().append(packageFragmentRoot.getElementName())
                        .toString().concat(JavaDiscoveryConstants.JAVA_MODEL_FILE_SUFFIX), true));

        Model model = getEFactory().createModel();
        createTargetModel().getContents().add(model);
        IModelReader reader = getLibraryReader();
        reader.readModel(packageFragmentRoot, model, monitor);

        if (monitor.isCanceled()) {
            return;
        }
        reader.terminate(monitor);
    }
}