//
// 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.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 thte 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;
public static class FormatInfo {
public ImageFormat format;
public long size;
public long virtualSize;
public String filename;
public boolean isCorrupted;
}
long getVirtualSize(File file) throws IOException;
}