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.io.IOException;
  
  import com.cloud.agent.api.to.OVFInformationTO;
  import com.cloud.exception.InternalErrorException;
  import com.cloud.storage.Storage.ImageFormat;
  import com.cloud.utils.component.Adapter;
  
  /**
   * Generic interface to process different types of image formats
   * for templates downloaded and for conversion from one format
   * to anther.
   *
   */
  public interface Processor extends Adapter {
  
      /**
       * Returns image format if it was able to process the original file and
       *
       * @param templatePath path to the templates to process.
       * @param format Format of the original file.  If null, it means unknown.  If not null,
       *        there is already a file with the template name and image format extension
       *        that exists in case a conversion can be done.
       */
      FormatInfo process(String templatePath, ImageFormat format, String templateName) throws InternalErrorException;
  
      FormatInfo process(String templatePath, ImageFormat format, String templateName, long processTimeout) throws InternalErrorException;
  
      class FormatInfo {
          public ImageFormat format;
          public long size;
          public long virtualSize;
          public String filename;
          public boolean isCorrupted;
          public OVFInformationTO ovfInformationTO;
      }
  
      long getVirtualSize(File file) throws IOException;
  
  }
  