VirtualDirectory.java

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/*
 * Autopsy Forensic Browser
 * 
 * Copyright 2012 Basis Technology Corp.
 * Contact: carrier <at> sleuthkit <dot> org
 * 
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 * 
 * 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 org.sleuthkit.datamodel;

import java.util.Collections;
import java.util.List;
import org.sleuthkit.datamodel.TskData.FileKnown;
import org.sleuthkit.datamodel.TskData.TSK_FS_ATTR_TYPE_ENUM;
import org.sleuthkit.datamodel.TskData.TSK_FS_META_TYPE_ENUM;
import org.sleuthkit.datamodel.TskData.TSK_FS_NAME_FLAG_ENUM;
import org.sleuthkit.datamodel.TskData.TSK_FS_NAME_TYPE_ENUM;

public class VirtualDirectory extends AbstractFile {

        //some built-in virtual directory names
        public static final String NAME_UNALLOC = "$Unalloc"; //NON-NLS
        public static final String NAME_CARVED = "$CarvedFiles"; //NON-NLS

        protected VirtualDirectory(SleuthkitCase db, long objId, String name, TSK_FS_NAME_TYPE_ENUM dirType,
                        TSK_FS_META_TYPE_ENUM metaType, TSK_FS_NAME_FLAG_ENUM dirFlag, short metaFlags,
                        long size, String md5Hash, FileKnown knownState, String parentPath) {
                super(db, objId, TSK_FS_ATTR_TYPE_ENUM.TSK_FS_ATTR_TYPE_DEFAULT, (short) 0, name,
                                TskData.TSK_DB_FILES_TYPE_ENUM.VIRTUAL_DIR, 0L, 0, dirType, metaType, dirFlag,
                                metaFlags, 0L, 0L, 0L, 0L, 0L, (short) 0, 0, 0, md5Hash, knownState, parentPath);
        }

        @Override
        public List<Content> getChildren() throws TskCoreException {
                return getSleuthkitCase().getAbstractFileChildren(this);
        }

        @Override
        public List<Long> getChildrenIds() throws TskCoreException {
                return getSleuthkitCase().getAbstractFileChildrenIds(this);
        }

        @Override
        public List<TskFileRange> getRanges() throws TskCoreException {
                return Collections.<TskFileRange>emptyList();
        }

        @Override
        public void close() {
                //nothing to be closed
        }

        @Override
        public boolean isRoot() {
                return false;
        }

        @Override
        public <T> T accept(ContentVisitor<T> v) {
                return v.visit(this);
        }

        @Override
        public <T> T accept(SleuthkitItemVisitor<T> v) {
                return v.visit(this);
        }

        @Override
        public Content getDataSource() throws TskCoreException {
                Content parent = getParent();
                if (parent != null) {
                        return parent.getDataSource();
                } else {
                        //root-level VirtualDirectory, such as local files container
                        return this;
                }
        }

        @Override
        public String toString(boolean preserveState) {
                return super.toString(preserveState) + "VirtualDirectory [\t" + "]\t"; //NON-NLS
        }
}