content: /* ###
   * IP: GHIDRA
   *
   * 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 firmware.cbfs;
  
  import java.io.IOException;
  import java.util.Arrays;
  
  import ghidra.app.util.bin.ByteProvider;
  import ghidra.formats.gfilesystem.FSRL;
  import ghidra.formats.gfilesystem.FSRLRoot;
  import ghidra.formats.gfilesystem.FileSystemService;
  import ghidra.formats.gfilesystem.factory.GFileSystemFactoryByteProvider;
  import ghidra.formats.gfilesystem.factory.GFileSystemProbeBytesOnly;
  import ghidra.util.exception.CancelledException;
  import ghidra.util.task.TaskMonitor;
  
  public class CBFSFileSystemFactory implements GFileSystemFactoryByteProvider<CBFSFileSystem>,
  		GFileSystemProbeBytesOnly {
  	@Override
  	public boolean probeStartBytes(FSRL containerFSRL, byte[] startBytes) {
  		return Arrays.equals(startBytes, 0, CBFSConstants.CBFS_FILE_SIGNATURE.length,
  				CBFSConstants.CBFS_FILE_SIGNATURE, 0, CBFSConstants.CBFS_FILE_SIGNATURE.length);
  	}
  
  	@Override
  	public int getBytesRequired() {
  		return CBFSConstants.CBFS_FILE_SIGNATURE.length;
  	}
  
  	@Override
  	public CBFSFileSystem create(FSRLRoot fsrlRoot, ByteProvider byteProvider, FileSystemService fsService,
  			TaskMonitor monitor) throws IOException, CancelledException {
  		CBFSFileSystem fs = new CBFSFileSystem(fsrlRoot);
  		try {
  			fs.mount(byteProvider, monitor);
  			return fs;
  		} catch (IOException ioe) {
  			fs.close();
  			throw ioe;
  		}
  	}
  }
  