/*
* Syncany, www.syncany.org
* Copyright (C) 2011-2014 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.syncany.config.to;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.io.output.ByteArrayOutputStream;
import org.simpleframework.xml.Element;
import org.simpleframework.xml.ElementList;
import org.simpleframework.xml.Root;
import org.simpleframework.xml.Serializer;
import org.simpleframework.xml.core.Commit;
import org.simpleframework.xml.core.Complete;
import org.simpleframework.xml.core.Persist;
import org.simpleframework.xml.core.Persister;
import org.syncany.config.ConfigException;
import org.syncany.crypto.CipherSpec;
import org.syncany.crypto.CipherUtil;
import org.syncany.crypto.SaltedSecretKey;
import org.syncany.util.StringUtil;
/**
* The repo transfer object is used to create and load the repo file
* from/to XML. The repo file identifies the repository with a unique
* repo ID, and defines the chunking framework settings. It is
* stored locally and on the remote storage.
*
* <p>It uses the Simple framework for XML serialization, and its corresponding
* annotation-based configuration.
*
* @see <a href="http://simple.sourceforge.net/">Simple framework</a> at simple.sourceforge.net
* @author Philipp C. Heckel <philipp.heckel@gmail.com>
*/
@Root(name = "repo", strict = false)
public class RepoTO {
@Element(name = "repoid", required = true)
private String repoIdEncoded;
private byte[] repoId;
@Element(name = "chunker", required = false)
private ChunkerTO chunker;
@Element(name = "multichunker", required = false)
private MultiChunkerTO multiChunker;
@ElementList(name = "transformers", required = false, entry = "transformer")
private ArrayList<TransformerTO> transformers;
public byte[] getRepoId() {
return repoId;
}
public void setRepoId(byte[] repoId) {
this.repoId = repoId;
}
public void save(File file) throws ConfigException {
try {
new Persister().write(this, file);
}
catch (Exception e) {
throw new ConfigException("Cannot write repoTO to file " + file, e);
}
}
public void save(File file, List<CipherSpec> cipherSpecs, SaltedSecretKey masterKey) throws ConfigException {
try {
ByteArrayOutputStream plaintextRepoOutputStream = new ByteArrayOutputStream();
Serializer serializer = new Persister();
serializer.write(this, plaintextRepoOutputStream);
CipherUtil.encrypt(new ByteArrayInputStream(plaintextRepoOutputStream.toByteArray()), new FileOutputStream(file), cipherSpecs, masterKey);
}
catch (Exception e) {
throw new ConfigException("Cannot write repoTO (encrypted) to file " + file, e);
}
}
@Persist
public void prepare() {
repoIdEncoded = (repoId != null) ? StringUtil.toHex(repoId) : null;
}
@Complete
public void release() {
repoIdEncoded = null;
}
@Commit
public void commit() {
repoId = (repoIdEncoded != null) ? StringUtil.fromHex(repoIdEncoded) : null;
}
public ChunkerTO getChunkerTO() {
return chunker;
}
public void setChunkerTO(ChunkerTO chunker) {
this.chunker = chunker;
}
public MultiChunkerTO getMultiChunker() {
return multiChunker;
}
public void setMultiChunker(MultiChunkerTO multiChunker) {
this.multiChunker = multiChunker;
}
public List<TransformerTO> getTransformers() {
return transformers;
}
public void setTransformers(List<TransformerTO> transformers) {
this.transformers = (transformers != null) ? new ArrayList<TransformerTO>(transformers) : null;
}
public static class ChunkerTO extends TypedPropertyListTO {
// Nothing special about this
}
public static class MultiChunkerTO extends TypedPropertyListTO {
// Nothing special about this
}
public static class TransformerTO extends TypedPropertyListTO {
// Nothing special about this
}
}