diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/io/IFolderWrapper.java')
-rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/io/IFolderWrapper.java | 200 |
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(); + } +} |