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/*
* Copyright 2006 Amazon Technologies, Inc. or its affiliates.
* Amazon, Amazon.com and Carbonado are trademarks or registered trademarks
* of Amazon Technologies, Inc. or its affiliates. All rights reserved.
*
* Licensed 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.amazon.carbonado.sample;
import java.io.File;
import java.io.InputStream;
import org.joda.time.DateTime;
import com.amazon.carbonado.Cursor;
import com.amazon.carbonado.Query;
import com.amazon.carbonado.Repository;
import com.amazon.carbonado.Storage;
import com.amazon.carbonado.lob.FileBlob;
import com.amazon.carbonado.repo.sleepycat.BDBRepositoryBuilder;
import com.amazon.carbonado.stored.FileInfo;
/**
* Test program which implements storage for a simple indexed file system.
*
* @author Brian S O'Neill
*/
public class FileInfoTest {
public static Storage<FileInfo> openStorage(String envHome) throws Exception {
BDBRepositoryBuilder builder = new BDBRepositoryBuilder();
builder.setName("Simple file system");
builder.setEnvironmentHome(envHome);
builder.setTransactionNoSync(true);
//builder.setProduct("DB");
Repository repository = builder.build();
return repository.storageFor(FileInfo.class);
}
/**
* @param args [0] - BDB environment home, [1] - optional directory to read
* files from for populating the simple file system
*/
public static void main(String[] args) throws Exception {
Storage<FileInfo> storage = openStorage(args[0]);
if (args.length > 1) {
populate(storage, new File(args[1]), null);
}
}
private static void populate(Storage<FileInfo> storage, File file, FileInfo parent)
throws Exception
{
FileInfo info = storage.prepare();
if (parent != null) {
info.setParentID(parent.getID());
}
info.setName(file.getName());
info.setLastModified(new DateTime(file.lastModified()));
if (file.isFile()) {
info.setDirectory(false);
info.setLength(file.length());
info.setFileData(new FileBlob(file));
info.insert();
} else if (file.isDirectory()) {
info.setDirectory(true);
info.setLength(-1);
info.insert();
File[] children = file.listFiles();
if (children != null) {
for (int i=0; i<children.length; i++) {
populate(storage, children[i], info);
}
}
}
}
}
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