content: //
  // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you 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 com.cloud.storage.template;
  
  import java.io.File;
  import java.util.Map;
  
  import javax.naming.ConfigurationException;
  
  
  import com.cloud.exception.InternalErrorException;
  import com.cloud.storage.Storage.ImageFormat;
  import com.cloud.storage.StorageLayer;
  import com.cloud.utils.component.AdapterBase;
  
  public class RawImageProcessor extends AdapterBase implements Processor {
      StorageLayer _storage;
  
      @Override
      public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
          _storage = (StorageLayer)params.get(StorageLayer.InstanceConfigKey);
          if (_storage == null) {
              throw new ConfigurationException("Unable to get storage implementation");
          }
  
          return true;
      }
  
     @Override
     public FormatInfo process(String templatePath, ImageFormat format, String templateName) throws InternalErrorException {
        return process(templatePath, format, templateName, 0);
     }
  
      @Override
      public FormatInfo process(String templatePath, ImageFormat format, String templateName, long processTimeout) throws InternalErrorException {
          if (format != null) {
              logger.debug("We currently don't handle conversion from " + format + " to raw image.");
              return null;
          }
  
          String imgPath = templatePath + File.separator + templateName + "." + ImageFormat.RAW.getFileExtension();
          if (!_storage.exists(imgPath)) {
              logger.debug("Unable to find raw image:" + imgPath);
              return null;
          }
          FormatInfo info = new FormatInfo();
          info.format = ImageFormat.RAW;
          info.filename = templateName + "." + ImageFormat.RAW.getFileExtension();
          info.size = _storage.getSize(imgPath);
          info.virtualSize = info.size;
          logger.debug("Process raw image " + info.filename + " successfully");
          return info;
      }
  
      @Override
      public long getVirtualSize(File file) {
          return file.length();
      }
  
  }
  