org.emftext.sdk.ui.jobs.AbstractSyntaxGenerationProcess.java Source code

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Here is the source code for org.emftext.sdk.ui.jobs.AbstractSyntaxGenerationProcess.java

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/*******************************************************************************
 * Copyright (c) 2006-2012
 * Software Technology Group, Dresden University of Technology
 * DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
 * 
 * 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:
 *   Software Technology Group - TU Dresden, Germany;
 *   DevBoost GmbH - Berlin, Germany
 *      - initial API and implementation
 ******************************************************************************/
package org.emftext.sdk.ui.jobs;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.codegen.ecore.genmodel.GenModel;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.emftext.sdk.EMFTextSDKPlugin;
import org.emftext.sdk.concretesyntax.ConcreteSyntax;
import org.emftext.sdk.ui.AbstractSyntaxGenerator;

public abstract class AbstractSyntaxGenerationProcess extends AbstractSyntaxGenerator
        implements IRunnableWithProgress {

    private final IFile file;

    public AbstractSyntaxGenerationProcess(IFile file) {
        this.file = file;
    }

    public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
        ResourceSet rs = new ResourceSetImpl();
        Resource genResource = rs.getResource(URI.createPlatformResourceURI(file.getFullPath().toString(), true),
                true);
        final GenModel genModel = (GenModel) genResource.getContents().get(0);

        URI uri = URI.createPlatformResourceURI(
                file.getFullPath().removeFileExtension().addFileExtension("cs").toString(), true);
        Resource csResource = null;
        if (uri != null && uri.isPlatform()) {
            IResource workspaceMember = ResourcesPlugin.getWorkspace().getRoot()
                    .findMember(uri.toPlatformString(true));
            if (workspaceMember != null) {
                csResource = rs.getResource(uri, true);
            } else {
                csResource = rs.createResource(uri);
            }
        }
        if (csResource == null) {
            EMFTextSDKPlugin.logError("Can't create or get resource.", null);
            return;
        }

        EObject currentSyntax = null;
        if (csResource.getContents().size() > 0) {
            currentSyntax = csResource.getContents().get(0);
        }

        ConcreteSyntax cSyntax;
        if (currentSyntax instanceof ConcreteSyntax) {
            cSyntax = (ConcreteSyntax) currentSyntax;
        } else {
            cSyntax = CS_FACTORY.createConcreteSyntax();
            csResource.getContents().add(cSyntax);
        }
        fillSyntax(cSyntax, genModel);

        try {
            csResource.save(null);
        } catch (IOException e) {
            // TODO cwende: this exception should be shown to the user
            EMFTextSDKPlugin.logError("Exception while saving resource.", e);
        }
    }
}