// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
// 
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.storage.template;

import java.io.File;
import java.util.Map;

import javax.ejb.Local;
import javax.naming.ConfigurationException;

import org.apache.log4j.Logger;

import com.cloud.storage.StorageLayer;
import com.cloud.storage.Storage.ImageFormat;

@Local(value=Processor.class)
public class IsoProcessor implements Processor {
    private static final Logger s_logger = Logger.getLogger(IsoProcessor.class);
    
    String _name;
    StorageLayer _storage;

    @Override
    public FormatInfo process(String templatePath, ImageFormat format, String templateName) {
        if (format != null) {
            s_logger.debug("We don't handle conversion from " + format + " to ISO.");
            return null;
        }
        
        String isoPath = templatePath + File.separator + templateName + "." + ImageFormat.ISO.getFileExtension();
       
        if (!_storage.exists(isoPath)) {
            s_logger.debug("Unable to find the iso file: " + isoPath);
            return null;
        }
        
        FormatInfo info = new FormatInfo();
        info.format = ImageFormat.ISO;
        info.filename = templateName + "." + ImageFormat.ISO.getFileExtension();
        info.size = _storage.getSize(isoPath);
        info.virtualSize = info.size;

        return info;
    }

    @Override
    public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
        _name = name;
        _storage = (StorageLayer)params.get(StorageLayer.InstanceConfigKey);
        if (_storage == null) {
            throw new ConfigurationException("Unable to get storage implementation");
        }
        return true;
    }

    @Override
    public String getName() {
        return _name;
    }

    @Override
    public boolean start() {
        return true;
    }

    @Override
    public boolean stop() {
        return true;
    }
}