1 files changed, 200 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/io/IFolderWrapper.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/io/IFolderWrapper.java
new file mode 100644
index 000000000..c659711a5
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/io/IFolderWrapper.java
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Eclipse Public License, Version 1.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.eclipse.org/org/documents/epl-v10.php
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.ide.eclipse.adt.io;
+
+import com.android.io.IAbstractFile;
+import com.android.io.IAbstractFolder;
+import com.android.io.IAbstractResource;
+
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.core.runtime.Path;
+
+import java.util.ArrayList;
+
+/**
+ * An implementation of {@link IAbstractFolder} on top of either an {@link IFolder} or an
+ * {@link IContainer} object.
+ */
+public class IFolderWrapper implements IAbstractFolder {
+
+    private final IFolder mFolder; // could be null.
+    private final IContainer mContainer; // never null.
+
+    public IFolderWrapper(IFolder folder) {
+        mContainer = mFolder = folder;
+    }
+
+    public IFolderWrapper(IContainer container) {
+        mFolder = container instanceof IFolder ? (IFolder)container : null;
+        mContainer = container;
+    }
+
+    @Override
+    public String getName() {
+        return mContainer.getName();
+    }
+
+    @Override
+    public boolean exists() {
+        return mContainer.exists();
+    }
+
+    @Override
+    public boolean delete() {
+        try {
+            mContainer.delete(true /*force*/, new NullProgressMonitor());
+            return true;
+        } catch (CoreException e) {
+            return false;
+        }
+    }
+
+
+    @Override
+    public IAbstractResource[] listMembers() {
+        try {
+            IResource[] members = mContainer.members();
+            final int count = members.length;
+            IAbstractResource[] afiles = new IAbstractResource[count];
+
+            for (int i = 0 ; i < count ; i++) {
+                IResource f = members[i];
+                if (f instanceof IFile) {
+                    afiles[i] = new IFileWrapper((IFile) f);
+                } else {
+                    afiles[i] = new IFolderWrapper((IContainer) f);
+                }
+            }
+
+            return afiles;
+        } catch (CoreException e) {
+            // return empty array below
+        }
+
+        return new IAbstractResource[0];
+    }
+
+    @Override
+    public boolean hasFile(String name) {
+        try {
+            IResource[] files = mContainer.members();
+            for (IResource file : files) {
+                if (name.equals(file.getName())) {
+                    return true;
+                }
+            }
+        } catch (CoreException e) {
+            // we'll return false below.
+        }
+
+        return false;
+    }
+
+    @Override
+    public IAbstractFile getFile(String name) {
+        if (mFolder != null) {
+            IFile file = mFolder.getFile(name);
+            return new IFileWrapper(file);
+        }
+
+        IFile file = mContainer.getFile(new Path(name));
+        return new IFileWrapper(file);
+    }
+
+    /**
+     * Returns the {@link IFolder} object that the receiver could represent.
+     * Can be <code>null</code>
+     */
+    public IFolder getIFolder() {
+        return mFolder;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof IFolderWrapper) {
+            return mFolder.equals(((IFolderWrapper)obj).mFolder);
+        }
+
+        if (obj instanceof IFolder) {
+            return mFolder.equals(obj);
+        }
+
+        return super.equals(obj);
+    }
+
+    @Override
+    public int hashCode() {
+        return mContainer.hashCode();
+    }
+
+    @Override
+    public IAbstractFolder getFolder(String name) {
+        if (mFolder != null) {
+            IFolder folder = mFolder.getFolder(name);
+            return new IFolderWrapper(folder);
+        }
+
+        IFolder folder = mContainer.getFolder(new Path(name));
+        return new IFolderWrapper(folder);
+    }
+
+    @Override
+    public String getOsLocation() {
+        return mContainer.getLocation().toOSString();
+    }
+
+    @Override
+    public String[] list(FilenameFilter filter) {
+        try {
+            IResource[] members = mContainer.members();
+            if (members.length > 0) {
+                ArrayList<String> list = new ArrayList<String>();
+                for (IResource res : members) {
+                    if (filter.accept(this, res.getName())) {
+                        list.add(res.getName());
+                    }
+                }
+
+                return list.toArray(new String[list.size()]);
+            }
+        } catch (CoreException e) {
+            // can't read the members? return empty list below.
+        }
+
+        return new String[0];
+    }
+
+    @Override
+    public IAbstractFolder getParentFolder() {
+        IContainer p = mContainer.getParent();
+        if (p != null) {
+            return new IFolderWrapper(p);
+        }
+
+        return null;
+    }
+
+    @Override
+    public String toString() {
+        return mFolder.toString();
+    }
+}