fr.inria.atlanmod.neoemf.extension.Workspace.java Source code

Introduction

Here is the source code for fr.inria.atlanmod.neoemf.extension.Workspace.java

Source

/*
 * Copyright (c) 2013-2016 Atlanmod INRIA LINA Mines Nantes.
 * 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:
 *     Atlanmod INRIA LINA Mines Nantes - initial API and implementation
 */

package fr.inria.atlanmod.neoemf.extension;

import org.apache.commons.io.FileUtils;
import org.junit.rules.ExternalResource;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

import static java.util.Objects.nonNull;

public class Workspace extends ExternalResource {

    private static final String PREFIX = "neoemf";

    private File temporaryFolder;

    @Override
    public void before() throws IOException {
        temporaryFolder = Files.createTempDirectory(PREFIX).toFile();
    }

    @Override
    public void after() {
        if (nonNull(temporaryFolder) && temporaryFolder.exists() && !FileUtils.deleteQuietly(temporaryFolder)) {
            try {
                FileUtils.forceDeleteOnExit(temporaryFolder);
            } catch (IOException ignore) {
            }
        }
    }

    public File newFile(String prefix) throws IOException {
        Path createdFolder = Files.createTempDirectory(temporaryFolder.toPath(), prefix);
        Files.deleteIfExists(createdFolder);
        return createdFolder.toFile();
    }
}