fr.irit.smac.may.speadl.ui.builder.SourceRelativeFileSystemAccess.java Source code

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Here is the source code for fr.irit.smac.may.speadl.ui.builder.SourceRelativeFileSystemAccess.java

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/*******************************************************************************
 * Copyright (c) 2011 itemis AG (http://www.itemis.eu) 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
 *******************************************************************************/
package fr.irit.smac.may.speadl.ui.builder;

import java.util.Collection;
import java.util.Set;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.common.util.URI;
import org.eclipse.xtext.builder.JDTAwareEclipseResourceFileSystemAccess2;
import org.eclipse.xtext.generator.OutputConfiguration;
import org.eclipse.xtext.util.RuntimeIOException;
import org.eclipse.xtext.util.Strings;

import com.google.common.collect.Multimap;

/**
 * @author Sven Efftinge - Initial contribution and API
 * @author Holger Schill
 * 
 * Copied from xtend (in order to avoid it to be a dependency)
 * Used in SpeADLBuilderParticipant
 */
public class SourceRelativeFileSystemAccess extends JDTAwareEclipseResourceFileSystemAccess2 {

    @Override
    protected boolean ensureOutputConfigurationDirectoryExists(OutputConfiguration outputConfig) {
        try {
            super.ensureOutputConfigurationDirectoryExists(outputConfig);
            IContainer container = getContainer(outputConfig);
            addToSourceFolders(container);
            return true;
        } catch (CoreException e) {
            throw new RuntimeIOException(e);
        }
    }

    @Override
    protected IContainer getContainer(OutputConfiguration outputConfig) {
        if (!outputConfig.isUseOutputPerSourceFolder() && getCurrentSource() != null) {
            String path = getCurrentSource() + "/../" + outputConfig.getOutputDirectory();
            IPath workspaceRelativePath = getProject().getFullPath().append(new Path(path));
            return getProject().getParent().getFolder(workspaceRelativePath);
        } else {
            return super.getContainer(outputConfig);
        }
    }

    /**
     * Since sourceTraces are relative the URI has to be computed with the currentSource as context
     */
    //TODO this fixes relative URIs for Xtend only, but what about all other languages?
    @Override
    public void flushSourceTraces(String generatorName) throws CoreException {
        Multimap<URI, IPath> sourceTraces = getSourceTraces();
        if (sourceTraces != null) {
            Set<URI> keys = sourceTraces.keySet();
            String source = getCurrentSource();
            IContainer container = Strings.isEmpty(source) ? getProject() : getProject().getFolder(source);
            for (URI uri : keys) {
                if (uri != null && source != null) {
                    Collection<IPath> paths = sourceTraces.get(uri);
                    IFile sourceFile = container.getFile(new Path(uri.toFileString()));
                    if (sourceFile.exists()) {
                        IPath[] tracePathArray = paths.toArray(new IPath[paths.size()]);
                        getTraceMarkers().installMarker(sourceFile, generatorName, tracePathArray);
                    }
                }
            }
        }
        resetSourceTraces();
    }

}