/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) 1999-2006 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.core.commons.modules.bc.vfs;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.olat.core.commons.modules.bc.FolderConfig;
import org.olat.core.commons.modules.bc.meta.MetaInfo;
import org.olat.core.commons.modules.bc.meta.MetaInfoFactory;
import org.olat.core.commons.modules.bc.meta.tagged.MetaTagged;
import org.olat.core.util.vfs.LocalFileImpl;
import org.olat.core.util.vfs.LocalFolderImpl;
import org.olat.core.util.vfs.OlatRelPathImpl;
import org.olat.core.util.vfs.VFSContainer;
import org.olat.core.util.vfs.VFSItem;
import org.olat.core.util.vfs.VFSLeaf;
import org.olat.core.util.vfs.filters.VFSItemFilter;
public class OlatRootFolderImpl extends LocalFolderImpl implements OlatRelPathImpl, MetaTagged {
private String folderRelPath;
public OlatRootFolderImpl(String folderRelPath, VFSContainer parent) {
super(new File(FolderConfig.getCanonicalRoot() + folderRelPath), parent);
this.folderRelPath = folderRelPath;
}
/**
* Wrapp all LocalImpls to OlatRootImpls
*
* @see org.olat.core.util.vfs.VFSContainer#createChildContainer(java.lang.String)
*/
public VFSContainer createChildContainer(String name) {
VFSItem result = super.createChildContainer(name);
if (result == null) return null;
return new OlatRootFolderImpl(folderRelPath + "/" + name, this);
}
/**
* Wrapp all LocalImpls to OlatRootImpls
*
* @see org.olat.core.util.vfs.VFSContainer#createChildLeaf(java.lang.String)
*/
public VFSLeaf createChildLeaf(String name) {
VFSItem result = super.createChildLeaf(name);
if (result == null) return null;
return new OlatRootFileImpl(folderRelPath + "/" + name, this);
}
/**
* Wrapp all LocalImpls to OlatRootImpls
*
* @see org.olat.core.util.vfs.VFSContainer#getItems()
*/
public List<VFSItem> getItems() {
List<VFSItem> items = super.getItems();
items = wrapItems(items);
return items;
}
/**
* @see org.olat.core.util.vfs.LocalFolderImpl#getItems(org.olat.core.util.vfs.filters.VFSItemFilter)
*/
public List<VFSItem> getItems(VFSItemFilter filter) {
List<VFSItem> items = super.getItems(filter);
items = wrapItems(items);
return items;
}
/**
* @param children
* @return
*/
private List<VFSItem> wrapItems(List<VFSItem> items) {
List<VFSItem> wrappedItems = new ArrayList<VFSItem>(items.size());
// now wrapp all LocalImpls to OlatRootImpls...
for (VFSItem item : items) {
if (item instanceof LocalFolderImpl) {
wrappedItems.add(new OlatRootFolderImpl(folderRelPath + "/" + item.getName(), this));
} else if (item instanceof LocalFileImpl) {
wrappedItems.add(new OlatRootFileImpl(folderRelPath + "/" + item.getName(), this));
}
}
return wrappedItems;
}
/**
* @see org.olat.core.util.vfs.OlatRelPathImpl#getRelPath()
*/
public String getRelPath() {
return folderRelPath;
}
/**
* @see org.olat.core.commons.modules.bc.meta.tagged.MetaTagged#getMetaInfo()
*/
public MetaInfo getMetaInfo() {
return MetaInfoFactory.createMetaInfoFor(this);
}
}