// Copyright (C) 2011 Splunk Inc.
//
// Splunk Inc. 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.splunk.shuttl.archiver.filesystem.glacier;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.HashMap;
import java.util.UUID;
import org.apache.commons.io.FileUtils;
import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.services.glacier.transfer.ArchiveTransferManager;
import com.amazonaws.services.glacier.transfer.UploadResult;
/**
* Fake implementation of the {@link ArchiveTransferManager} that "downloads"
* and "uploads" files to the local file system, instead of the real Glacier
* file system.
*/
public class FakeArchiveTransferManager extends ArchiveTransferManager {
private final File managedDirectory;
private final HashMap<String, File> files;
public FakeArchiveTransferManager(File directory) {
super(null);
this.managedDirectory = directory;
this.files = new HashMap<String, File>();
}
@Override
public UploadResult upload(String vaultName, String archiveDescription,
File file) throws AmazonServiceException, AmazonClientException,
FileNotFoundException {
return upload("fake acount id", vaultName, archiveDescription, file);
}
@Override
public UploadResult upload(String accountId, String vaultName,
String archiveDescription, File file) throws AmazonServiceException,
AmazonClientException, FileNotFoundException {
copyFileToManagedDirectory(file);
UUID uuid = storeUuidForFile(file);
return new UploadResult(uuid.toString());
}
private void copyFileToManagedDirectory(File file) {
copyFile(file, fileInManagedDirectory(file));
}
private void copyFile(File managedFile, File outputFile) {
try {
FileUtils.copyFile(managedFile, outputFile);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private File fileInManagedDirectory(File file) {
return new File(managedDirectory, file.getName());
}
private UUID storeUuidForFile(File file) {
UUID uuid = UUID.randomUUID();
files.put(uuid.toString(), fileInManagedDirectory(file));
return uuid;
}
@Override
public void download(String arg0, String arg1, String arg2, File arg3)
throws AmazonServiceException, AmazonClientException {
throw new UnsupportedOperationException();
}
@Override
public void download(String vaultName, String archiveId, File outputFile)
throws AmazonServiceException, AmazonClientException {
if (outputFile.exists())
throw new RuntimeException("Cannot download file to an "
+ "existing output file: " + outputFile);
if (!files.containsKey(archiveId))
throw new UnknownArchiveIdException();
File managedFile = files.get(archiveId);
copyFile(managedFile, outputFile);
}
/**
* Gets an uploaded file that is identified by its archiveId.
*/
public File getFile(String archiveId) {
return files.get(archiveId);
}
public static class UnknownArchiveIdException extends RuntimeException {
private static final long serialVersionUID = 1L;
}
}