1 files changed, 81 insertions, 0 deletions
diff --git a/org.openembedded.bc.ui/src/org/openembedded/bc/ui/filesystem/OEFileSystem.java b/org.openembedded.bc.ui/src/org/openembedded/bc/ui/filesystem/OEFileSystem.java
new file mode 100644
index 0000000..1c138b9
--- /dev/null
+++ b/org.openembedded.bc.ui/src/org/openembedded/bc/ui/filesystem/OEFileSystem.java
@@ -0,0 +1,81 @@
+/*****************************************************************************
+ * 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;
+	}
+}