fr.inria.atlanmod.neo4emf.neo4jresolver.runtimes.AbstractNeo4jRuntimeInstaller.java Source code

Java tutorial

Introduction

Here is the source code for fr.inria.atlanmod.neo4emf.neo4jresolver.runtimes.AbstractNeo4jRuntimeInstaller.java

Source

/*******************************************************************************
 * Copyright (c) 2013 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.neo4emf.neo4jresolver.runtimes;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.io.FileUtils;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.SubProgressMonitor;

import fr.inria.atlanmod.neo4emf.neo4jresolver.runtimes.INeo4jRuntimeListener.Event;
import fr.inria.atlanmod.neo4emf.neo4jresolver.runtimes.internal.Neo4JRuntimesManager;

/**
 * @author abelgomez
 *
 */
public abstract class AbstractNeo4jRuntimeInstaller {

    private List<INeo4jRuntimeListener> listeners = new ArrayList<INeo4jRuntimeListener>();

    public abstract String getId();

    public abstract String getName();

    public abstract String getVersion();

    public abstract String getDescription();

    public abstract String getLicenseText();

    protected abstract void performInstall(IProgressMonitor monitor, IPath runtimePath) throws IOException;

    public void install(IProgressMonitor monitor) throws IOException {
        if (monitor == null) {
            monitor = new NullProgressMonitor();
        }
        try {
            monitor.beginTask("Installing", 1);
            IPath runtimeDataAreaPath = Neo4JRuntimesManager.INSTANCE.getRuntimeDataArea();
            IPath runtimePath = runtimeDataAreaPath.append(getVersion()).append(getId());
            FileUtils.forceMkdir(runtimePath.toFile());
            performInstall(new SubProgressMonitor(monitor, 1), runtimePath);
            Neo4JRuntimesManager.INSTANCE.initializeRuntimeMetadata(this, runtimePath);
            Neo4JRuntimesManager.INSTANCE.configureAsProjectPlugin(this, runtimePath);
        } finally {
            monitor.done();
        }
    }

    public void addChangeListener(INeo4jRuntimeListener listener) {
        listeners.add(listener);
    }

    public void removeChangeListener(INeo4jRuntimeListener listener) {
        listeners.remove(listener);
    }

    protected void notifyListeners() {
        for (INeo4jRuntimeListener listener : listeners) {
            listener.notifyChange(new Event(this));
        }
    }

    /* (non-Javadoc)
     * @see java.lang.Object#finalize()
     */
    @Override
    protected void finalize() throws Throwable {
        listeners.clear();
        listeners = null;
        super.finalize();
    }
}