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/*
* Copyright (c) 2010-2012 Eike Stepper (Berlin, Germany) 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
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.workspace.efs;
import org.eclipse.emf.cdo.location.ICheckoutSource;
import org.eclipse.emf.cdo.location.IRepositoryLocation;
import org.eclipse.emf.cdo.location.IRepositoryLocationManager;
import org.eclipse.emf.cdo.server.db.CDODBUtil;
import org.eclipse.emf.cdo.server.db.IDBStore;
import org.eclipse.emf.cdo.server.db.mapping.IMappingStrategy;
import org.eclipse.emf.cdo.workspace.CDOWorkspace;
import org.eclipse.emf.cdo.workspace.CDOWorkspaceBase;
import org.eclipse.emf.cdo.workspace.CDOWorkspaceConfiguration;
import org.eclipse.emf.cdo.workspace.CDOWorkspaceUtil;
import org.eclipse.emf.cdo.workspace.internal.efs.CDOWorkspaceFileSystem;
import org.eclipse.emf.cdo.workspace.internal.efs.CDOWorkspaceStore;
import org.eclipse.net4j.db.DBUtil;
import org.eclipse.net4j.db.IDBAdapter;
import org.eclipse.net4j.db.IDBConnectionProvider;
import org.eclipse.net4j.db.h2.H2Adapter;
import org.eclipse.net4j.util.io.IOUtil;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.h2.jdbcx.JdbcDataSource;
import javax.sql.DataSource;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URI;
/**
* This class is the main entry point to the {@link org.eclipse.core.filesystem.EFS Eclipse File System (EFS)} implementation
* for CDO {@link org.eclipse.emf.cdo.workspace.CDOWorkspace workspaces}.
* @author Eike Stepper
*/
public final class CDOFS
{
private CDOFS()
{
}
public static CDOWorkspace open(String projectName, File projectFolder) throws Exception
{
IDBStore local = creatLocalStore(projectFolder);
CDOWorkspaceBase base = createWorkspaceBase(new File(projectFolder, "base"));
IRepositoryLocation remote = readRepositoryLocation(projectFolder);
CDOWorkspaceConfiguration config = CDOWorkspaceUtil.createWorkspaceConfiguration();
config.setStore(local);
config.setBase(base);
config.setRemote(remote);
CDOWorkspace workspace = config.open();
return workspace;
}
public static void checkout(ICheckoutSource checkoutSource, String projectName, IProgressMonitor monitor)
throws Exception
{
IWorkspace workspace = ResourcesPlugin.getWorkspace();
IWorkspaceRoot root = workspace.getRoot();
IProject project = root.getProject(projectName);
if (project.exists())
{
throw new IOException("Project " + projectName + " already exists");
}
File projectFolder = root.getLocation().append(projectName).toFile();
URI uri = checkout(checkoutSource, projectName, projectFolder);
IProjectDescription description = workspace.newProjectDescription(projectName);
description.setLocationURI(uri);
project.create(description, new NullProgressMonitor());
if (!project.isOpen())
{
project.open(new NullProgressMonitor());
}
}
private static URI checkout(ICheckoutSource checkoutSource, String projectName, File projectFolder) throws Exception
{
IDBStore local = creatLocalStore(projectFolder);
CDOWorkspaceBase base = createWorkspaceBase(new File(projectFolder, "base"));
IRepositoryLocation remote = checkoutSource.getRepositoryLocation();
writeRepositoryLocation(projectFolder, remote);
String branchPath = checkoutSource.getBranchPath();
long timeStamp = checkoutSource.getTimeStamp();
CDOWorkspaceConfiguration config = CDOWorkspaceUtil.createWorkspaceConfiguration();
config.setStore(local);
config.setBase(base);
config.setRemote(remote);
config.setBranchPath(branchPath);
config.setTimeStamp(timeStamp);
CDOWorkspace workspace = config.checkout();
CDOWorkspaceStore store = getFileSystem().addWorkspaceStore(projectName, workspace);
return store.toURI();
}
private static CDOWorkspaceFileSystem getFileSystem() throws CoreException
{
return (CDOWorkspaceFileSystem)EFS.getFileSystem(CDOWorkspaceFileSystem.SCHEME);
}
private static IDBStore creatLocalStore(File projectFolder)
{
IMappingStrategy mappingStrategy = CDODBUtil.createHorizontalMappingStrategy(false);
IDBAdapter dbAdapter = createLocalAdapter();
IDBConnectionProvider dbConnectionProvider = DBUtil.createConnectionProvider(createLocalDataSource(new File(
projectFolder, "local")));
IDBStore local = CDODBUtil.createStore(mappingStrategy, dbAdapter, dbConnectionProvider);
return local;
}
private static IDBAdapter createLocalAdapter()
{
return new H2Adapter();
}
private static DataSource createLocalDataSource(File folder)
{
folder.mkdirs();
String path = folder.getAbsolutePath().replace('\\', '/');
JdbcDataSource dataSource = new JdbcDataSource();
dataSource.setURL("jdbc:h2:" + path + "/db");
return dataSource;
}
private static CDOWorkspaceBase createWorkspaceBase(File folder)
{
folder.mkdirs();
return CDOWorkspaceUtil.createFolderWorkspaceBase(folder);
}
private static File getRemotePropertiesFile(File projectFolder)
{
return new File(projectFolder, "remote.properties");
}
private static void writeRepositoryLocation(File projectFolder, IRepositoryLocation remote) throws IOException
{
FileOutputStream out = null;
try
{
out = new FileOutputStream(getRemotePropertiesFile(projectFolder));
remote.write(out);
}
finally
{
IOUtil.close(out);
}
}
private static IRepositoryLocation readRepositoryLocation(File projectFolder) throws IOException
{
FileInputStream in = null;
try
{
in = new FileInputStream(getRemotePropertiesFile(projectFolder));
return IRepositoryLocationManager.INSTANCE.addRepositoryLocation(in);
}
finally
{
IOUtil.close(in);
}
}
}
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