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/*****************************************************************************
* Copyright (c) 2009 Ken Gilmer
* 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:
* Ken Gilmer - initial API and implementation
*******************************************************************************/
package org.openembedded.bc.ui.filesystem;
import java.io.File;
import java.net.URI;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.filesystem.IFileSystem;
import org.eclipse.core.filesystem.provider.FileSystem;
import org.eclipse.core.internal.filesystem.NullFileStore;
import org.eclipse.core.runtime.Path;
import org.openembedded.bc.bitbake.BBSession;
import org.openembedded.bc.ui.Activator;
/**
* A filesystem that ignores specific OE directories that contain derived information.
* @author kgilmer
*
*/
public class OEFileSystem extends FileSystem {
private static IFileSystem ref;
public static IFileSystem getInstance() {
return ref;
}
private Map fileStoreCache;
public OEFileSystem() {
ref = this;
fileStoreCache = new Hashtable();
}
@Override
public IFileStore getStore(URI uri) {
OEFile uf = (OEFile) fileStoreCache.get(uri);
if (uf == null) {
BBSession config = null;
try {
config = Activator.getBBSession(uri.getPath());
if (!config.isInitialized()) {
config.initialize();
}
} catch (Exception e) {
e.printStackTrace();
return new NullFileStore(new Path(uri.getPath()));
}
if (config.get("TMPDIR") == null || config.get("DL_DIR") == null) {
throw new RuntimeException("Invalid local.conf: TMPDIR or DL_DIR undefined.");
}
List ignoreList = new ArrayList();
//These directories are ignored because they contain too many files for Eclipse to handle efficiently.
ignoreList.add(config.get("TMPDIR"));
ignoreList.add(config.get("DL_DIR"));
uf = new OEFile(new File(uri.getPath()), ignoreList, uri.getPath());
fileStoreCache.put(uri, uf);
}
return uf;
}
}
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