1 files changed, 78 insertions, 0 deletions

diff --git a/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/filesystem/OEFileSystem.java b/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/filesystem/OEFileSystem.java
new file mode 100644
index 0000000..f0bf449
--- /dev/null
+++ b/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/filesystem/OEFileSystem.java
@@ -0,0 +1,78 @@
+/*****************************************************************************
+ * 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.yocto.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.yocto.bc.bitbake.BBSession;
+import org.yocto.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());
+                                config.initialize();
+                        } catch (Exception e) {
+                                e.printStackTrace();
+                                return new OEIgnoreFile(new File(uri.getPath()));
+                        }
+
+                        if (config.get("TMPDIR") == null || config.get("DL_DIR") == null || config.get("SSTATE_DIR")== null) {
+                                throw new RuntimeException("Invalid local.conf: TMPDIR or DL_DIR or SSTATE_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"));
+                        ignoreList.add(config.get("SSTATE_DIR"));
+                        
+                        uf = new OEFile(new File(uri.getPath()), ignoreList, uri.getPath());
+                        fileStoreCache.put(uri, uf);
+                }
+                
+                return uf;
+        }
+}