BeamLocator.java

package org.erlide.engine.internal.model;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.erlide.engine.ErlangEngine;
import org.erlide.engine.IErlangEngine;
import org.erlide.engine.model.ErlModelException;
import org.erlide.engine.model.root.IBeamLocator;
import org.erlide.engine.model.root.IErlProject;
import org.erlide.util.ErlLogger;
import org.erlide.util.SystemConfiguration;

public class BeamLocator implements IBeamLocator {

    @Override
    public IFile findModuleBeam(final IProject project, final String module)
            throws ErlModelException {
        final IErlangEngine engine = ErlangEngine.getInstance();
        if (engine == null) {
            ErlLogger.warn("Erlang engine was not created!");
            return null;
        }
        final IErlProject erlProject = engine.getModel().getErlangProject(project);
        if (erlProject == null) {
            ErlLogger.warn("Project " + project + " is not in erlang model...");
            return null;
        }
        final IFolder r = project.getFolder(erlProject.getProperties().getOutputDir());
        try {
            r.refreshLocal(IResource.DEPTH_ONE, null);
        } catch (final CoreException e) {
            // ignore
        }
        final String beam = SystemConfiguration.withoutExtension(module) + ".beam";
        return r.getFile(beam);
    }

}