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/*******************************************************************************
* Copyright (c) 2008-2010 Sonatype, Inc.
* 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:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.scm;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.m2e.scm.internal.Messages;
import org.eclipse.m2e.scm.internal.ScmHandlerFactory;
import org.eclipse.m2e.scm.spi.ScmHandler;
import org.eclipse.osgi.util.NLS;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Checkout operation
*
* @author Eugene Kuleshov
*/
public class MavenCheckoutOperation {
private static final Logger log = LoggerFactory.getLogger(MavenCheckoutOperation.class);
private final File location;
private final Collection<MavenProjectScmInfo> mavenProjects;
private final List<String> locations = new ArrayList<String>();
public MavenCheckoutOperation(File location, Collection<MavenProjectScmInfo> mavenProjects) {
this.location = location;
this.mavenProjects = mavenProjects;
}
public void run(IProgressMonitor monitor) throws InterruptedException, CoreException {
List<MavenProjectScmInfo> flatProjects = new ArrayList<MavenProjectScmInfo>();
// sort nested projects
for(MavenProjectScmInfo info : mavenProjects) {
if(monitor.isCanceled()) {
throw new InterruptedException();
}
String folderUrl = info.getFolderUrl();
monitor.setTaskName(NLS.bind(Messages.MavenCheckoutOperation_task_scanning, info.getLabel(), info.getFolderUrl()));
// XXX check if projects already exist
boolean isNestedPath = false;
for(MavenProjectScmInfo info2 : mavenProjects) {
if(info != info2) {
String path = info2.getFolderUrl();
if(folderUrl.startsWith(path + "/")) { //$NON-NLS-1$
isNestedPath = true;
break;
}
}
}
if(!isNestedPath) {
flatProjects.add(info);
}
}
for(MavenProjectScmInfo info : flatProjects) {
if(monitor.isCanceled()) {
throw new InterruptedException();
}
monitor.setTaskName(NLS.bind(Messages.MavenCheckoutOperation_task_checking,info.getLabel(), info.getFolderUrl()));
// XXX if location is pointing to workspace folder need to create unique dir too
File workspaceRoot = ResourcesPlugin.getWorkspace().getRoot().getLocation().toFile();
File location = getUniqueDir(this.location == null ? workspaceRoot : this.location);
ScmHandler handler = ScmHandlerFactory.getHandler(info.getFolderUrl());
if(handler == null) {
String msg = "SCM provider is not available for " + info.getFolderUrl();
log.error(msg);
} else {
handler.checkoutProject(info, location, monitor);
locations.add(location.getAbsolutePath());
}
}
}
protected File getUniqueDir(File baseDir) {
long suffix = System.currentTimeMillis();
while(true) {
File tempDir = new File(baseDir, "maven." + suffix); //$NON-NLS-1$
if(!tempDir.exists()) {
return tempDir;
}
suffix++;
}
}
/**
* @return Returns collection of {@link MavenProjectScmInfo}
*/
public Collection<MavenProjectScmInfo> getMavenProjects() {
return this.mavenProjects;
}
/**
* @return Returns list of <code>String</code> paths for the checked out locations
*/
public List<String> getLocations() {
return this.locations;
}
}
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