// // 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 com.cloud.storage.Storage.ImageFormat; import com.cloud.storage.StorageLayer; import com.cloud.utils.component.AdapterBase; import org.apache.log4j.Logger; import javax.naming.ConfigurationException; import java.io.File; import java.util.Map; public class TARProcessor extends AdapterBase implements Processor { private static final Logger s_logger = Logger.getLogger(TARProcessor.class); private StorageLayer _storage; @Override public FormatInfo process(String templatePath, ImageFormat format, String templateName) { if (format != null) { s_logger.debug("We currently don't handle conversion from " + format + " to TAR."); return null; } String tarPath = templatePath + File.separator + templateName + "." + ImageFormat.TAR.getFileExtension(); if (!_storage.exists(tarPath)) { s_logger.debug("Unable to find the tar file: " + tarPath); return null; } FormatInfo info = new FormatInfo(); info.format = ImageFormat.TAR; info.filename = templateName + "." + ImageFormat.TAR.getFileExtension(); File tarFile = _storage.getFile(tarPath); info.size = _storage.getSize(tarPath); info.virtualSize = getVirtualSize(tarFile); return info; } @Override public long getVirtualSize(File file) { return file.length(); } @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; } }