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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.skynet.render;
import java.io.File;
import java.util.Collection;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourceAttributes;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.jobs.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.exception.OseeExceptions;
import org.eclipse.osee.framework.core.operation.IOperation;
import org.eclipse.osee.framework.core.operation.Operations;
import org.eclipse.osee.framework.jdk.core.util.io.FileChangeEvent;
import org.eclipse.osee.framework.jdk.core.util.io.FileChangeType;
import org.eclipse.osee.framework.jdk.core.util.io.FileWatcher;
import org.eclipse.osee.framework.jdk.core.util.io.IFileWatcherListener;
import org.eclipse.osee.framework.logging.OseeLevel;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.ui.skynet.SkynetGuiPlugin;
final class ArtifactFileMonitor implements IFileWatcherListener {
private final ResourceAttributes readonlyfileAttributes;
private final FileWatcher watcher;
private final boolean firstTime;
private final Map<File, IOperation> fileMap = new ConcurrentHashMap<File, IOperation>(128);
public ArtifactFileMonitor() {
firstTime = true;
readonlyfileAttributes = new ResourceAttributes();
readonlyfileAttributes.setReadOnly(true);
watcher = new FileWatcher(3, TimeUnit.SECONDS);
watcher.addListener(this);
watcher.start();
}
public void addFile(File file, IOperation updateOperation) {
watcher.addFile(file);
fileMap.put(file, updateOperation);
}
public void markAsReadOnly(IFile file) throws OseeCoreException {
try {
file.setResourceAttributes(readonlyfileAttributes);
} catch (CoreException ex) {
OseeExceptions.wrapAndThrow(ex);
}
}
@Override
public void filesModified(Collection<FileChangeEvent> fileChangeEvents) {
for (FileChangeEvent event : fileChangeEvents) {
if (event.getChangeType() == FileChangeType.MODIFIED) {
processFileUpdate(event.getFile());
}
}
}
private void processFileUpdate(final File file) {
IOperation op = fileMap.get(file);
Operations.executeAsJob(op, false, Job.LONG, new JobChangeAdapter() {
@Override
public void done(IJobChangeEvent event) {
if (event.getResult().isOK()) {
OseeLog.log(SkynetGuiPlugin.class, Level.INFO, "Updated artifact linked to: " + file.getAbsolutePath());
}
}
});
}
@Override
public void handleException(Exception ex) {
OseeLog.log(SkynetGuiPlugin.class, OseeLevel.SEVERE_POPUP, ex);
}
}
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